annotate libinterp/corefcn/__magick_read__.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
author Rik <rik@octave.org>
date Thu, 01 Dec 2022 14:23:45 -0800
parents 32d2b6604a9f
children aac27ad79be6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2002-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "file-stat.h"
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31 #include "lo-sysdep.h"
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32 #include "oct-env.h"
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33 #include "oct-time.h"
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34
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35 #include "defun.h"
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36 #include "error.h"
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37 #include "ov-struct.h"
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38
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39 #include "errwarn.h"
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40
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41 #if defined (HAVE_MAGICK)
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42 # include <Magick++.h>
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43 # include <clocale>
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44 // FIXME: The following using declaration may be needed to build with
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45 // ImageMagick. It doesn't appear to be needed for GraphicsMagick but
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46 // it also doesn't seem to cause trouble. A configure test would be
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47 // helpful.
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48 using Magick::Quantum;
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49 #endif
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50
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51 OCTAVE_BEGIN_NAMESPACE(octave)
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52
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53 #if defined (HAVE_MAGICK)
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54
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55 // In theory, it should be enough to check the class:
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56 // Magick::ClassType
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57 // PseudoClass:
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58 // Image is composed of pixels which specify an index in a color palette.
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59 // DirectClass:
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60 // Image is composed of pixels which represent literal color values.
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61 //
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62 // GraphicsMagick does not really distinguishes between indexed and
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63 // normal images. After reading a file, it decides itself the optimal
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64 // way to store the image in memory, independently of the how the
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65 // image was stored in the file. That's what ClassType returns. While
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66 // it seems to match the original file most of the times, this is
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67 // not necessarily true all the times. See
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68 // https://sourceforge.net/mailarchive/message.php?msg_id=31180507
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69 // In addition to the ClassType, there is also ImageType which has a
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70 // type for indexed images (PaletteType and PaletteMatteType). However,
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71 // they also don't represent the original image. Not only does DirectClass
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72 // can have a PaletteType, but also does a PseudoClass have non Palette
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73 // types.
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74 //
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75 // We can't do better without having format specific code which is
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76 // what we are trying to avoid by using a library such as GM. We at
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77 // least create workarounds for the most common problems.
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78 //
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79 // 1) A grayscale jpeg image can report being indexed even though the
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80 // JPEG format has no support for indexed images. We can at least
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81 // fix this one.
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82 // 2) A PNG file is only an indexed image if color type orig is 3 (value comes
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83 // from libpng)
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84 static bool
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85 is_indexed (const Magick::Image& img)
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86 {
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87 bool indexed = (img.classType () == Magick::PseudoClass);
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88 // Our problem until now is non-indexed images, being represented as indexed
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89 // by GM. The following attempts educated guesses to undo this optimization.
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90 if (indexed)
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91 {
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92 const std::string fmt = img.magick ();
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93 if (fmt == "JPEG")
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94 // The JPEG format does not support indexed images, but GM sometimes
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95 // reports grayscale JPEG as indexed. Always false for JPEG.
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96 indexed = false;
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97 else if (fmt == "PNG")
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98 {
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99 // Newer versions of GM (at least does not happens with 1.3.16) will
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100 // store values from the underlying library as image attributes. In
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101 // the case of PNG files, this is libpng where an indexed image will
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102 // always have a value of 3 for "color-type-orig". This property
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103 // always has a value in libpng so if we get nothing, we assume this
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104 // GM version does not store them and we have to go with whatever
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105 // GM PseudoClass says.
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106 const std::string color_type
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107 = const_cast<Magick::Image&> (img).attribute ("PNG:IHDR.color-type-orig");
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108 if (! color_type.empty () && color_type != "3")
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109 indexed = false;
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110 }
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111 }
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112 return indexed;
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113 }
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114
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115 // The depth from depth() is not always correct for us but seems to be the
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116 // best value we can get. For example, a grayscale png image with 1 bit
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117 // per channel should return a depth of 1 but instead we get 8.
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118 // We could check channelDepth() but then, which channel has the data
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119 // is not straightforward. So we'd have to check all
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120 // the channels and select the highest value. But then, I also
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121 // have a 16bit TIFF whose depth returns 16 (correct), but all of the
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122 // channels gives 8 (wrong). No idea why, maybe a bug in GM?
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123 // Anyway, using depth() seems that only causes problems for binary
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124 // images, and the problem with channelDepth() is not making set them
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125 // all to 1. So we will guess that if all channels have depth of 1,
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126 // then we must have a binary image.
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127 // Note that we can't use AllChannels it doesn't work for this.
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128 // We also can't check only one from RGB, one from CMYK, and grayscale
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129 // and transparency, we really need to check all of the channels (bug #41584).
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130 static octave_idx_type
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131 get_depth (Magick::Image& img)
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132 {
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133 octave_idx_type depth = img.depth ();
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134 if (depth == 8
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135 && img.channelDepth (Magick::RedChannel) == 1
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136 && img.channelDepth (Magick::GreenChannel) == 1
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137 && img.channelDepth (Magick::BlueChannel) == 1
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138 && img.channelDepth (Magick::CyanChannel) == 1
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139 && img.channelDepth (Magick::MagentaChannel) == 1
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140 && img.channelDepth (Magick::YellowChannel) == 1
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141 && img.channelDepth (Magick::BlackChannel) == 1
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142 && img.channelDepth (Magick::OpacityChannel) == 1
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143 && img.channelDepth (Magick::GrayChannel) == 1)
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144 depth = 1;
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145
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146 return depth;
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147 }
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148
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149 // We need this in case one of the sides of the image being read has
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150 // width 1. In those cases, the type will come as scalar instead of range
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151 // since that's the behavior of the colon operator (1:1:1 will be a scalar,
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152 // not a range).
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153 static range<double>
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154 get_region_range (const octave_value& region)
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155 {
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156 range<double> output;
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157
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158 if (region.is_range ())
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159 output = region.range_value ();
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160 else if (region.is_scalar_type ())
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161 {
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162 double value = region.scalar_value ();
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163 output = range<double> (value, value);
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164 }
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165 else if (region.is_matrix_type ())
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166 {
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167 NDArray array = region.array_value ();
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168 double base = array(0);
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169 double limit = array(array.numel () - 1);
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170 double incr = array(1) - base;
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171 output = range<double> (base, incr, limit);
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172 }
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173 else
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174 error ("__magick_read__: unknown datatype for Region option");
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175
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176 return output;
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177 }
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178
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179 class
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180 image_region
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181 {
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182 public:
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183
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184 image_region (const octave_scalar_map& options)
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185 {
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186 // FIXME: should we have better checking on the input map and values
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187 // or is that expected to be done elsewhere?
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188
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189 const Cell pixel_region = options.getfield ("region").cell_value ();
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190
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191 // Subtract 1 to account for 0 indexing.
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192
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193 const range<double> rows = get_region_range (pixel_region (0));
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194 const range<double> cols = get_region_range (pixel_region (1));
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195
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196 m_row_start = rows.base () - 1;
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197 m_col_start = cols.base () - 1;
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198 m_row_end = rows.max () - 1;
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199 m_col_end = cols.max () - 1;
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200
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201 m_row_cache = m_row_end - m_row_start + 1;
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202 m_col_cache = m_col_end - m_col_start + 1;
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203
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204 m_row_shift = m_col_cache * rows.increment ();
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205 m_col_shift = m_col_cache * (m_row_cache + rows.increment () - 1) - cols.increment ();
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206
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207 m_row_out = rows.numel ();
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208 m_col_out = cols.numel ();
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209 }
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210
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211 // Default copy, move, and delete methods are all OK for this class.
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212
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213 image_region (const image_region&) = default;
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214 image_region (image_region&&) = default;
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215
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216 image_region& operator = (const image_region&) = default;
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217 image_region& operator = (image_region&&) = default;
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218
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219 ~image_region (void) = default;
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220
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221 octave_idx_type row_start (void) const { return m_row_start; }
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222 octave_idx_type col_start (void) const { return m_col_start; }
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223 octave_idx_type row_end (void) const { return m_row_end; }
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224 octave_idx_type col_end (void) const { return m_col_end; }
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225
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226 // Length of the area to load into the Image Pixel Cache. We use max and
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227 // min to account for cases where last element of range is the range limit.
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228
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229 octave_idx_type row_cache (void) const { return m_row_cache; }
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230 octave_idx_type col_cache (void) const { return m_col_cache; }
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231
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232 // How much we have to shift in the memory when doing the loops.
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233
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234 octave_idx_type row_shift (void) const { return m_row_shift; }
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235 octave_idx_type col_shift (void) const { return m_col_shift; }
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236
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237 // The actual height and width of the output image
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238
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239 octave_idx_type row_out (void) const { return m_row_out; }
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240 octave_idx_type col_out (void) const { return m_col_out; }
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241
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242 private:
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243
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244 octave_idx_type m_row_start;
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245 octave_idx_type m_col_start;
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246 octave_idx_type m_row_end;
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247 octave_idx_type m_col_end;
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248
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249 // Length of the area to load into the Image Pixel Cache. We use max and
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250 // min to account for cases where last element of range is the range limit.
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251
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252 octave_idx_type m_row_cache;
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253 octave_idx_type m_col_cache;
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254
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255 // How much we have to shift in the memory when doing the loops.
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256
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257 octave_idx_type m_row_shift;
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258 octave_idx_type m_col_shift;
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259
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260 // The actual height and width of the output image
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261
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262 octave_idx_type m_row_out;
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263 octave_idx_type m_col_out;
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264 };
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265
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266 static octave_value_list
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267 read_maps (Magick::Image& img)
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268 {
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269 // can't call colorMapSize on const Magick::Image
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270 const octave_idx_type mapsize = img.colorMapSize ();
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271 Matrix cmap = Matrix (mapsize, 3); // colormap
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272 ColumnVector amap = ColumnVector (mapsize); // alpha map
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273 for (octave_idx_type i = 0; i < mapsize; i++)
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274 {
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275 const Magick::ColorRGB c = img.colorMap (i);
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276 cmap(i, 0) = c.red ();
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277 cmap(i, 1) = c.green ();
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278 cmap(i, 2) = c.blue ();
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279 amap(i) = c.alpha ();
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280 }
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281 octave_value_list maps;
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282 maps(0) = cmap;
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283 maps(1) = amap;
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284 return maps;
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285 }
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286
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287 template <typename T>
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288 static octave_value_list
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289 read_indexed_images (const std::vector<Magick::Image>& imvec,
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290 const Array<octave_idx_type>& frameidx,
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291 const octave_idx_type& nargout,
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292 const octave_scalar_map& options)
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293 {
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294 typedef typename T::element_type P;
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295
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296 octave_value_list retval (1);
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297
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298 image_region region (options);
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299
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300 const octave_idx_type nFrames = frameidx.numel ();
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301 const octave_idx_type nRows = region.row_out ();
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302 const octave_idx_type nCols = region.col_out ();
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303
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304 // imvec has all of the pages of a file, even the ones we are not
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305 // interested in. We will use the first image that we will be actually
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306 // reading to get information about the image.
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307 const octave_idx_type def_elem = frameidx(0);
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308
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309 T img = T (dim_vector (nRows, nCols, 1, nFrames));
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310 P *img_fvec = img.fortran_vec ();
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311
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312 const octave_idx_type row_start = region.row_start ();
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313 const octave_idx_type col_start = region.col_start ();
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314 const octave_idx_type row_shift = region.row_shift ();
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315 const octave_idx_type col_shift = region.col_shift ();
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316 const octave_idx_type row_cache = region.row_cache ();
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317 const octave_idx_type col_cache = region.col_cache ();
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318
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319 // When reading PixelPackets from the Image Pixel Cache, they come in
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320 // row major order. So we keep moving back and forth there so we can
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321 // write the image in column major order.
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322 octave_idx_type idx = 0;
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323 for (octave_idx_type frame = 0; frame < nFrames; frame++)
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324 {
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325 octave_quit ();
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326
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327 imvec[frameidx(frame)].getConstPixels (col_start, row_start,
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328 col_cache, row_cache);
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diff changeset
329
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diff changeset
330 const Magick::IndexPacket *pix
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diff changeset
331 = imvec[frameidx(frame)].getConstIndexes ();
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332
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diff changeset
333 for (octave_idx_type col = 0; col < nCols; col++)
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diff changeset
334 {
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diff changeset
335 for (octave_idx_type row = 0; row < nRows; row++)
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diff changeset
336 {
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337 img_fvec[idx++] = static_cast<P> (*pix);
17118
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diff changeset
338 pix += row_shift;
16996
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339 }
17118
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diff changeset
340 pix -= col_shift;
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341 }
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342 }
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343 retval(0) = octave_value (img);
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344
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Rik <rik@octave.org>
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diff changeset
345 // Only bother reading the colormap if it was requested as output.
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346 if (nargout > 1)
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347 {
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348 // In theory, it should be possible for each frame of an image to
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349 // have different colormaps but for Matlab compatibility, we only
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350 // return the colormap of the first frame. To obtain the colormaps
ba79ba4e83ab Rewrite of imfinfo.
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parents: 17335
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351 // of different frames, one needs can either use imfinfo or a for
ba79ba4e83ab Rewrite of imfinfo.
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352 // loop around imread.
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diff changeset
353 const octave_value_list maps
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354 = read_maps (const_cast<Magick::Image&> (imvec[frameidx(def_elem)]));
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parents: 9575
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355
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356 retval(1) = maps(0);
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357
ba79ba4e83ab Rewrite of imfinfo.
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358 // only interpret alpha channel if it exists and was requested as output
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359 if (imvec[def_elem].matte () && nargout >= 3)
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360 {
17350
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diff changeset
361 const Matrix amap = maps(1).matrix_value ();
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362 const double *amap_fvec = amap.data ();
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diff changeset
363
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364 NDArray alpha (dim_vector (nRows, nCols, 1, nFrames));
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
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parents: 23416
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365 double *alpha_fvec = alpha.fortran_vec ();
7933
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John W. Eaton <jwe@octave.org>
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diff changeset
366
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diff changeset
367 // GraphicsMagick stores the alpha values inverted, i.e.,
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
368 // 1 for transparent and 0 for opaque so we fix that here.
ba79ba4e83ab Rewrite of imfinfo.
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369 const octave_idx_type nPixels = alpha.numel ();
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370 for (octave_idx_type pix = 0; pix < nPixels; pix++)
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parents: 17335
diff changeset
371 alpha_fvec[pix] = 1 - amap_fvec[static_cast<int> (img_fvec[3])];
ba79ba4e83ab Rewrite of imfinfo.
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diff changeset
372
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373 retval(2) = alpha;
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374 }
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Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
375 }
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
376
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377 return retval;
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parents:
diff changeset
378 }
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
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parents:
diff changeset
379
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diff changeset
380 // This function is highly repetitive, a bunch of for loops that are
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Rik <rik@octave.org>
parents: 21736
diff changeset
381 // very similar to account for different image types. They are different
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parents: 16996
diff changeset
382 // enough that trying to reduce the copy and paste would decrease its
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parents: 16996
diff changeset
383 // readability too much.
21139
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John W. Eaton <jwe@octave.org>
parents: 21100
diff changeset
384 template <typename T>
7926
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John W. Eaton <jwe@octave.org>
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diff changeset
385 octave_value_list
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diff changeset
386 read_images (std::vector<Magick::Image>& imvec,
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
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parents: 17110
diff changeset
387 const Array<octave_idx_type>& frameidx,
17235
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parents: 17228
diff changeset
388 const octave_idx_type& nargout,
17118
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Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
389 const octave_scalar_map& options)
7925
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Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
390 {
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
391 typedef typename T::element_type P;
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
392
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diff changeset
393 octave_value_list retval (3, Matrix ());
d74f996e005d __magick_read__.cc: configuration and style fixes
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diff changeset
394
22863
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John W. Eaton <jwe@octave.org>
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diff changeset
395 image_region region (options);
f28e1f5d33a4 use simple class instead of std::set
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parents: 22860
diff changeset
396
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20228
diff changeset
397 const octave_idx_type nFrames = frameidx.numel ();
22863
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diff changeset
398 const octave_idx_type nRows = region.row_out ();
f28e1f5d33a4 use simple class instead of std::set
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parents: 22860
diff changeset
399 const octave_idx_type nCols = region.col_out ();
17110
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diff changeset
400 T img;
7926
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John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
401
17240
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
402 // imvec has all of the pages of a file, even the ones we are not
21751
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Rik <rik@octave.org>
parents: 21736
diff changeset
403 // interested in. We will use the first image that we will be actually
17240
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
404 // reading to get information about the image.
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
405 const octave_idx_type def_elem = frameidx(0);
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
406
22863
f28e1f5d33a4 use simple class instead of std::set
John W. Eaton <jwe@octave.org>
parents: 22860
diff changeset
407 const octave_idx_type row_start = region.row_start ();
f28e1f5d33a4 use simple class instead of std::set
John W. Eaton <jwe@octave.org>
parents: 22860
diff changeset
408 const octave_idx_type col_start = region.col_start ();
f28e1f5d33a4 use simple class instead of std::set
John W. Eaton <jwe@octave.org>
parents: 22860
diff changeset
409 const octave_idx_type row_shift = region.row_shift ();
f28e1f5d33a4 use simple class instead of std::set
John W. Eaton <jwe@octave.org>
parents: 22860
diff changeset
410 const octave_idx_type col_shift = region.col_shift ();
f28e1f5d33a4 use simple class instead of std::set
John W. Eaton <jwe@octave.org>
parents: 22860
diff changeset
411 const octave_idx_type row_cache = region.row_cache ();
f28e1f5d33a4 use simple class instead of std::set
John W. Eaton <jwe@octave.org>
parents: 22860
diff changeset
412 const octave_idx_type col_cache = region.col_cache ();
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
413
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
414 // GraphicsMagick (GM) keeps the image values in memory using whatever
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
415 // QuantumDepth it was built with independently of the original image
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
416 // bitdepth. Basically this means that if GM was built with quantum 16
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
417 // all values are scaled in the uint16 range. If the original image
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
418 // had an 8 bit depth, we need to rescale it for that range.
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
419 // However, if the image had a bitdepth of 32, then we will be returning
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
420 // a floating point image. In this case, the values need to be rescaled
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
421 // for the range [0 1] (this is what Matlab has documented on the page
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
422 // about image types but in some cases seems to be doing something else.
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
423 // See bug #39249).
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
424 // Finally, we must do the division ourselves (set a divisor) instead of
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
425 // using quantumOperator for the cases where we will be returning floating
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
426 // point and want things in the range [0 1]. This is the same reason why
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
427 // the divisor is of type double.
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
428 // uint64_t is used in expression because default 32-bit value overflows
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
429 // when depth() is 32.
21578
683a1beee538 maint: Use "FIXME:" for all code blocks needing further attention.
Rik <rik@octave.org>
parents: 21568
diff changeset
430 // FIXME: in the next release of GraphicsMagick, MaxRGB should be replaced
683a1beee538 maint: Use "FIXME:" for all code blocks needing further attention.
Rik <rik@octave.org>
parents: 21568
diff changeset
431 // with QuantumRange since MaxRGB is already deprecated in ImageMagick.
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
432 double divisor;
17240
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
433 if (imvec[def_elem].depth () == 32)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
434 divisor = std::numeric_limits<uint32_t>::max ();
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
435 else
17240
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
436 divisor = MaxRGB / ((uint64_t (1) << imvec[def_elem].depth ()) - 1);
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
437
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
438 // FIXME: this workaround should probably be fixed in GM by creating a
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
439 // new ImageType BilevelMatteType
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
440 // Despite what GM documentation claims, opacity is not only on the types
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
441 // with Matte on the name. It is possible that an image is completely
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
442 // black (1 color), and have a second channel set for transparency (2nd
21751
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Rik <rik@octave.org>
parents: 21736
diff changeset
443 // color). Its type will be bilevel since there is no BilevelMatte. The
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
444 // only way to check for this seems to be by checking matte ().
17240
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
445 Magick::ImageType type = imvec[def_elem].type ();
d757c98636d8 Use first image to be read rather than first image in file to set defaults.
Carnë Draug <carandraug@octave.org>
parents: 17239
diff changeset
446 if (type == Magick::BilevelType && imvec[def_elem].matte ())
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
447 type = Magick::GrayscaleMatteType;
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
448
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
449 // FIXME: ImageType is the type being used to represent the image in memory
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
450 // by GM. The real type may be different (see among others bug #36820). For
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
451 // example, a png file where all channels are equal may report being
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
452 // grayscale or even bilevel. But we must always return the real image in
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
453 // file. In some cases, the original image attributes are stored in the
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
454 // attributes but this is undocumented. This should be fixed in GM so that
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
455 // a method such as original_type returns an actual Magick::ImageType
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
456 if (imvec[0].magick () == "PNG")
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
457 {
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
458 // These values come from libpng, not GM:
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
459 // Grayscale = 0
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
460 // Palette = 2 + 1
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
461 // RGB = 2
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
462 // RGB + Alpha = 2 + 4
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
463 // Grayscale + Alpha = 4
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
464 // We won't bother with case 3 (palette) since those should be
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
465 // read by the function to read indexed images
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
466 const std::string type_str
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
467 = imvec[0].attribute ("PNG:IHDR.color-type-orig");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
468
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
469 if (type_str == "0")
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
470 type = Magick::GrayscaleType;
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
471 else if (type_str == "2")
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
472 type = Magick::TrueColorType;
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
473 else if (type_str == "6")
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
474 type = Magick::TrueColorMatteType;
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
475 else if (type_str == "4")
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
476 type = Magick::GrayscaleMatteType;
17239
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
477 // Color types 0, 2, and 3 can also have alpha channel, conveyed
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
478 // via the "tRNS" chunk. For 0 and 2, it's limited to GIF-style
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
479 // binary transparency, while 3 can have any level of alpha per
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
480 // palette entry. We thus must check matte() to see if the image
17239
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
481 // really doesn't have an alpha channel.
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
482 if (imvec[0].matte ())
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
483 {
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
484 if (type == Magick::GrayscaleType)
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
485 type = Magick::GrayscaleMatteType;
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
486 else if (type == Magick::TrueColorType)
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
487 type = Magick::TrueColorMatteType;
d6467d6dfb83 Fix reading of alpha channel stored as tRNS chunk in PNG files.
Carnë Draug <carandraug@octave.org>
parents: 17235
diff changeset
488 }
17149
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
489 }
73a3c1580974 Correctly identify PNG image types (bug #32986, bug #36820 and bug #37689)
Carnë Draug <carandraug@octave.org>
parents: 17147
diff changeset
490
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
491 // If the alpha channel was not requested, treat images as if
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
492 // it doesn't exist.
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
493 if (nargout < 3)
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
494 {
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
495 switch (type)
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
496 {
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
497 case Magick::GrayscaleMatteType:
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
498 type = Magick::GrayscaleType;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
499 break;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
500
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
501 case Magick::PaletteMatteType:
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
502 type = Magick::PaletteType;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
503 break;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
504
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
505 case Magick::TrueColorMatteType:
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
506 type = Magick::TrueColorType;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
507 break;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
508
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
509 case Magick::ColorSeparationMatteType:
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
510 type = Magick::ColorSeparationType;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
511 break;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
512
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
513 default:
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
514 // Do nothing other than silencing warnings about enumeration
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
515 // values not being handled in switch.
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
516 ;
17116
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
517 }
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
518 }
59acfe9209dd Do not read alpha channel from image if output not requested.
Carnë Draug <carandraug@octave.org>
parents: 17110
diff changeset
519
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21489
diff changeset
520 const octave_idx_type color_stride = nRows * nCols;
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
521 switch (type)
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
522 {
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
523 case Magick::BilevelType: // Monochrome bi-level image
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
524 case Magick::GrayscaleType: // Grayscale image
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
525 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
526 img = T (dim_vector (nRows, nCols, 1, nFrames));
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
527 P *img_fvec = img.fortran_vec ();
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
528
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
529 octave_idx_type idx = 0;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
530 for (octave_idx_type frame = 0; frame < nFrames; frame++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
531 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
532 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
533
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
534 const Magick::PixelPacket *pix
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
535 = imvec[frameidx(frame)].getConstPixels (col_start, row_start,
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
536 col_cache, row_cache);
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
537
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
538 for (octave_idx_type col = 0; col < nCols; col++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
539 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
540 for (octave_idx_type row = 0; row < nRows; row++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
541 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
542 img_fvec[idx++] = pix->red / divisor;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
543 pix += row_shift;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
544 }
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
545 pix -= col_shift;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
546 }
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
547 }
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
548 break;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
549 }
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
550
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
551 case Magick::GrayscaleMatteType: // Grayscale image with opacity
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
552 {
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
553 img = T (dim_vector (nRows, nCols, 1, nFrames));
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
554 T alpha (dim_vector (nRows, nCols, 1, nFrames));
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
555 P *img_fvec = img.fortran_vec ();
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
556 P *a_fvec = alpha.fortran_vec ();
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
557
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
558 octave_idx_type idx = 0;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
559 for (octave_idx_type frame = 0; frame < nFrames; frame++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
560 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
561 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
562
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
563 const Magick::PixelPacket *pix
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
564 = imvec[frameidx(frame)].getConstPixels (col_start, row_start,
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
565 col_cache, row_cache);
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
566
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
567 for (octave_idx_type col = 0; col < nCols; col++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
568 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
569 for (octave_idx_type row = 0; row < nRows; row++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
570 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
571 img_fvec[idx] = pix->red / divisor;
17147
35a1bd41aa02 Fix reading of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17139
diff changeset
572 a_fvec[idx] = (MaxRGB - pix->opacity) / divisor;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
573 pix += row_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
574 idx++;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
575 }
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
576 pix -= col_shift;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
577 }
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
578 }
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
579 retval(2) = alpha;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
580 break;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
581 }
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
582
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
583 case Magick::PaletteType: // Indexed color (palette) image
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
584 case Magick::TrueColorType: // Truecolor image
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
585 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
586 img = T (dim_vector (nRows, nCols, 3, nFrames));
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
587 P *img_fvec = img.fortran_vec ();
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
588
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21489
diff changeset
589 const octave_idx_type frame_stride = color_stride * 3;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
590 for (octave_idx_type frame = 0; frame < nFrames; frame++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
591 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
592 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
593
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
594 const Magick::PixelPacket *pix
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
595 = imvec[frameidx(frame)].getConstPixels (col_start, row_start,
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
596 col_cache, row_cache);
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
597
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
598 octave_idx_type idx = 0;
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
599 P *rbuf = img_fvec;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
600 P *gbuf = img_fvec + color_stride;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
601 P *bbuf = img_fvec + color_stride * 2;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
602
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
603 for (octave_idx_type col = 0; col < nCols; col++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
604 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
605 for (octave_idx_type row = 0; row < nRows; row++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
606 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
607 rbuf[idx] = pix->red / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
608 gbuf[idx] = pix->green / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
609 bbuf[idx] = pix->blue / divisor;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
610 pix += row_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
611 idx++;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
612 }
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
613 pix -= col_shift;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
614 }
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
615 img_fvec += frame_stride;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
616 }
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
617 break;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
618 }
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
619
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
620 case Magick::PaletteMatteType: // Indexed color image with opacity
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
621 case Magick::TrueColorMatteType: // Truecolor image with opacity
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
622 {
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
623 img = T (dim_vector (nRows, nCols, 3, nFrames));
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
624 T alpha (dim_vector (nRows, nCols, 1, nFrames));
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
625 P *img_fvec = img.fortran_vec ();
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
626 P *a_fvec = alpha.fortran_vec ();
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
627
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21489
diff changeset
628 const octave_idx_type frame_stride = color_stride * 3;
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
629
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
630 // Unlike the index for the other channels, this one won't need
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
631 // to be reset on each frame since it's a separate matrix.
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
632 octave_idx_type a_idx = 0;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
633 for (octave_idx_type frame = 0; frame < nFrames; frame++)
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
634 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
635 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
636
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
637 const Magick::PixelPacket *pix
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
638 = imvec[frameidx(frame)].getConstPixels (col_start, row_start,
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
639 col_cache, row_cache);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
640
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
641 octave_idx_type idx = 0;
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
642 P *rbuf = img_fvec;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
643 P *gbuf = img_fvec + color_stride;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
644 P *bbuf = img_fvec + color_stride * 2;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
645
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
646 for (octave_idx_type col = 0; col < nCols; col++)
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
647 {
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
648 for (octave_idx_type row = 0; row < nRows; row++)
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
649 {
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
650 rbuf[idx] = pix->red / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
651 gbuf[idx] = pix->green / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
652 bbuf[idx] = pix->blue / divisor;
17147
35a1bd41aa02 Fix reading of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17139
diff changeset
653 a_fvec[a_idx++] = (MaxRGB - pix->opacity) / divisor;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
654 pix += row_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
655 idx++;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
656 }
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
657 pix -= col_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
658 }
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
659 img_fvec += frame_stride;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
660 }
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
661 retval(2) = alpha;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
662 break;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
663 }
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
664
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
665 case Magick::ColorSeparationType: // Cyan/Magenta/Yellow/Black (CMYK) image
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
666 {
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
667 img = T (dim_vector (nRows, nCols, 4, nFrames));
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
668 P *img_fvec = img.fortran_vec ();
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
669
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21489
diff changeset
670 const octave_idx_type frame_stride = color_stride * 4;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
671 for (octave_idx_type frame = 0; frame < nFrames; frame++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
672 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
673 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
674
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
675 const Magick::PixelPacket *pix
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
676 = imvec[frameidx(frame)].getConstPixels (col_start, row_start,
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
677 col_cache, row_cache);
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
678
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
679 octave_idx_type idx = 0;
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
680 P *cbuf = img_fvec;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
681 P *mbuf = img_fvec + color_stride;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
682 P *ybuf = img_fvec + color_stride * 2;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
683 P *kbuf = img_fvec + color_stride * 3;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
684
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
685 for (octave_idx_type col = 0; col < nCols; col++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
686 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
687 for (octave_idx_type row = 0; row < nRows; row++)
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
688 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
689 cbuf[idx] = pix->red / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
690 mbuf[idx] = pix->green / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
691 ybuf[idx] = pix->blue / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
692 kbuf[idx] = pix->opacity / divisor;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
693 pix += row_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
694 idx++;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
695 }
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
696 pix -= col_shift;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
697 }
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
698 img_fvec += frame_stride;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
699 }
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
700 break;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
701 }
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
702
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
703 // Cyan, magenta, yellow, and black with alpha (opacity) channel
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
704 case Magick::ColorSeparationMatteType:
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
705 {
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
706 img = T (dim_vector (nRows, nCols, 4, nFrames));
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
707 T alpha (dim_vector (nRows, nCols, 1, nFrames));
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
708 P *img_fvec = img.fortran_vec ();
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
709 P *a_fvec = alpha.fortran_vec ();
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
710
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21489
diff changeset
711 const octave_idx_type frame_stride = color_stride * 4;
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
712
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
713 // Unlike the index for the other channels, this one won't need
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
714 // to be reset on each frame since it's a separate matrix.
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
715 octave_idx_type a_idx = 0;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
716 for (octave_idx_type frame = 0; frame < nFrames; frame++)
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
717 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
718 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
719
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
720 const Magick::PixelPacket *pix
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
721 = imvec[frameidx(frame)].getConstPixels (col_start, row_start,
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
722 col_cache, row_cache);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
723 // Note that for CMYKColorspace + matte (CMYKA), the opacity is
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
724 // stored in the associated IndexPacket.
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
725 const Magick::IndexPacket *apix
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
726 = imvec[frameidx(frame)].getConstIndexes ();
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
727
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
728 octave_idx_type idx = 0;
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
729 P *cbuf = img_fvec;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
730 P *mbuf = img_fvec + color_stride;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
731 P *ybuf = img_fvec + color_stride * 2;
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
732 P *kbuf = img_fvec + color_stride * 3;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
733
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
734 for (octave_idx_type col = 0; col < nCols; col++)
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
735 {
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
736 for (octave_idx_type row = 0; row < nRows; row++)
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
737 {
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
738 cbuf[idx] = pix->red / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
739 mbuf[idx] = pix->green / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
740 ybuf[idx] = pix->blue / divisor;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
741 kbuf[idx] = pix->opacity / divisor;
17147
35a1bd41aa02 Fix reading of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17139
diff changeset
742 a_fvec[a_idx++] = (MaxRGB - *apix) / divisor;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
743 pix += row_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
744 idx++;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
745 }
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
746 pix -= col_shift;
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
747 }
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
748 img_fvec += frame_stride;
10295
13d382fc758b imread: Make reading non-indexed images faster
David Grundberg <davidg@cs.umu.se>
parents: 10193
diff changeset
749 }
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
750 retval(2) = alpha;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
751 break;
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
752 }
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
753
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
754 default:
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
755 error ("__magick_read__: unknown Magick++ image type");
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
756 }
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
757
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
758 retval(0) = img;
20869
69b37757030c 2015 Code Sprint: __magick_read__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
759
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
760 return retval;
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
761 }
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
762
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
763 // Read a file into vector of image objects.
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
764 void static
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
765 read_file (const std::string& filename, std::vector<Magick::Image>& imvec)
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
766 {
28535
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
767 // FIXME: We need this on Windows because GraphicsMagick uses the ANSI API
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
768 // to open files on disc. In contrast, the API of ImageMagick uses UTF-8
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
769 // encoded strings. Should we somehow detect which is used on runtime and
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
770 // pass the file names accordingly? (See also bug #58493.)
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
771 std::string ascii_fname = sys::get_ASCII_filename (filename, true);
28473
04ee5e8694cb __magick_read__.cc: Correctly read images from non-ASCII paths on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
772
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
773 try
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
774 {
28535
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
775 Magick::readImages (&imvec, ascii_fname);
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
776 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
777 catch (const Magick::Warning& w)
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
778 {
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
779 warning ("Magick++ warning: %s", w.what ());
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
780 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
781 catch (const Magick::Exception& e)
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
782 {
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
783 error ("Magick++ exception: %s", e.what ());
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
784 }
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
785 }
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
786
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
787 static void
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
788 maybe_initialize_magick (void)
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
789 {
10390
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
790 static bool initialized = false;
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
791
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
792 if (! initialized)
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
793 {
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
794 // Save locale as GraphicsMagick might change this (fixed in
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
795 // GraphicsMagick since version 1.3.13 released on December 24, 2011)
23457
21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible.
Rik <rik@octave.org>
parents: 23450
diff changeset
796 const char *static_locale = setlocale (LC_ALL, nullptr);
26488
72e0a106d956 __magick_read__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
797 const std::string locale = (static_locale ? static_locale : "");
10739
d27bd2f74137 src/DLD_FUNCTIONS/__magick_read__.cc: restore locale after GraphicsMagick initialisation
Soren Hauberg <hauberg@gmail.com>
parents: 10390
diff changeset
798
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
799 const std::string program_name
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
800 = sys::env::get_program_invocation_name ();
10390
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
801 Magick::InitializeMagick (program_name.c_str ());
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
802
10739
d27bd2f74137 src/DLD_FUNCTIONS/__magick_read__.cc: restore locale after GraphicsMagick initialisation
Soren Hauberg <hauberg@gmail.com>
parents: 10390
diff changeset
803 // Restore locale from before GraphicsMagick initialisation
d27bd2f74137 src/DLD_FUNCTIONS/__magick_read__.cc: restore locale after GraphicsMagick initialisation
Soren Hauberg <hauberg@gmail.com>
parents: 10390
diff changeset
804 setlocale (LC_ALL, locale.c_str ());
d27bd2f74137 src/DLD_FUNCTIONS/__magick_read__.cc: restore locale after GraphicsMagick initialisation
Soren Hauberg <hauberg@gmail.com>
parents: 10390
diff changeset
805
20729
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
806 // Why should we give a warning?
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
807 // Magick does not tell us the real bitdepth of the image in file.
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
808 // The best we can have is the minimum between the bitdepth of the
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
809 // file and the quantum depth. So we never know if the file will
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
810 // actually be read correctly so we warn the user that it might
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
811 // be limited.
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
812 //
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
813 // Why we warn if < 16 instead of < 32 ?
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
814 // The reasons for < 32 is simply that it's the maximum quantum
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
815 // depth they support. However, very few people would actually
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
816 // need such support while being a major inconvenience to anyone
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
817 // else (8 bit images suddenly taking 4x more space will be
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
818 // critical for multi page images). It would also suggests that
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
819 // it covers all images which does not (it still does not support
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
820 // float point and signed integer images).
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
821 // On the other hand, 16bit images are much more common. If quantum
20729
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
822 // depth is 8, there's a good chance that we will be limited. It
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
823 // is also the GraphicsMagick recommended setting and the default
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
824 // for ImageMagick.
131b4af8b5d8 Only warn of Magick quantum depth if less than 16 instead of 32.
Carnë Draug <carandraug@octave.org>
parents: 20704
diff changeset
825 if (QuantumDepth < 16)
23416
a40434df6f54 Rename warning ID GraphicsMagic-Quantum-Depth GraphicsMagick-Quantum-Depth.
Carnë Draug <carandraug@octave.org>
parents: 23220
diff changeset
826 warning_with_id ("Octave:GraphicsMagick-Quantum-Depth",
20219
b39ba1bbb759 Don't print unecessary backtrace for GraphicsMagick warning about pixel depth.
Rik <rik@octave.org>
parents: 20163
diff changeset
827 "your version of %s limits images to %d bits per pixel\n",
19885
fa68a3f7dd8a __magick_read__.cc: add warning id for possibly low Magick quantum depth.
Carnë Draug <carandraug@octave.org>
parents: 19864
diff changeset
828 MagickPackageName, QuantumDepth);
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
829
10390
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
830 initialized = true;
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
831 }
16983
4660d047955e Make use of gripe_disabled_feature() for image IO functions.
Carnë Draug <carandraug+dev@gmail.com>
parents: 16944
diff changeset
832 }
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
833
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
834 #endif
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
835
21679
44f7664689f2 make __magick_read__ a built-in function (bug #41699)
John W. Eaton <jwe@octave.org>
parents: 21142
diff changeset
836 DEFUN (__magick_read__, args, nargout,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
837 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
838 @deftypefn {} {[@var{img}, @var{map}, @var{alpha}] =} __magick_read__ (@var{fname}, @var{options})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
839 Read image with GraphicsMagick or ImageMagick.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
840
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
841 This is a private internal function not intended for direct use.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
842 Use @code{imread} instead.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
843
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
844 @seealso{imfinfo, imformats, imread, imwrite}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
845 @end deftypefn */)
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
846 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
847 #if defined (HAVE_MAGICK)
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
848
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
849 if (args.length () != 2 || ! args(0).is_string ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
850 print_usage ();
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
851
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
852 maybe_initialize_magick ();
10390
ad0b54ae206a __magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents: 10350
diff changeset
853
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
854 const octave_scalar_map options
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
855 = args(1).xscalar_map_value ("__magick_read__: OPTIONS must be a struct");
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
856
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
857 octave_value_list output;
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
858
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
859 std::vector<Magick::Image> imvec;
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
860 read_file (args(0).string_value (), imvec);
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
861
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
862 // Prepare an Array with the indexes for the requested frames.
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
863 const octave_idx_type nFrames = imvec.size ();
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
864 Array<octave_idx_type> frameidx;
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17116
diff changeset
865 const octave_value indexes = options.getfield ("index");
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
866 if (indexes.is_string () && indexes.string_value () == "all")
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
867 {
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
868 frameidx.resize (dim_vector (1, nFrames));
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
869 for (octave_idx_type i = 0; i < nFrames; i++)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
870 frameidx(i) = i;
10778
6035bf68a755 Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents: 10739
diff changeset
871 }
6035bf68a755 Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents: 10739
diff changeset
872 else
6035bf68a755 Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents: 10739
diff changeset
873 {
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
874 frameidx = indexes.xint_vector_value ("__magick_read__: invalid value for Index/Frame");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
875
16989
7a69ab84b8c9 __magick_write__: confirm file exists before reading to append.
Carnë Draug <carandraug@octave.org>
parents: 16988
diff changeset
876 // Fix indexes from base 1 to base 0, and at the same time, make
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
877 // sure none of the indexes is outside the range of image number.
20228
00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20219
diff changeset
878 const octave_idx_type n = frameidx.numel ();
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
879 for (octave_idx_type i = 0; i < n; i++)
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
880 {
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
881 frameidx(i)--;
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
882 if (frameidx(i) < 0 || frameidx(i) > nFrames - 1)
10778
6035bf68a755 Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents: 10739
diff changeset
883 {
17912
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
884 // We do this check inside the loop because frameidx does not
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
885 // need to be ordered (this is a feature and even allows for
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
886 // some frames to be read multiple times).
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
887 error ("imread: index/frames specified are outside the number of images");
10778
6035bf68a755 Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents: 10739
diff changeset
888 }
8053
89a512e8ec43 Replace leading tabs with spaces.
scofield@scofield
parents: 7974
diff changeset
889 }
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
890 }
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
891
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
892 // Check that all frames have the same size. We don't do this at the same
17912
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
893 // time we decode the image because that's done in many different places,
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
894 // to cover the different types of images which would lead to a lot of
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
895 // copy and paste.
17916
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
896 {
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
897 const unsigned int nRows = imvec[frameidx(0)].rows ();
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
898 const unsigned int nCols = imvec[frameidx(0)].columns ();
20228
00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20219
diff changeset
899 const octave_idx_type n = frameidx.numel ();
17916
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
900 for (octave_idx_type frame = 0; frame < n; frame++)
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
901 {
19864
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
902 if (nRows != imvec[frameidx(frame)].rows ()
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 19861
diff changeset
903 || nCols != imvec[frameidx(frame)].columns ())
17916
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
904 {
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25688
diff changeset
905 error ("imread: all frames must have the same size but frame "
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25688
diff changeset
906 "%" OCTAVE_IDX_TYPE_FORMAT " is different",
17916
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
907 frameidx(frame) +1);
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
908 }
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
909 }
c7f089c560cc imread: avoid out of bounds error when reading part of multipage image file.
Carnë Draug <carandraug@octave.org>
parents: 17912
diff changeset
910 }
17912
01496d4811b1 imread: deal elegantly with multiples frames of different sizes.
Carnë Draug <carandraug@octave.org>
parents: 17861
diff changeset
911
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
912 const octave_idx_type depth = get_depth (imvec[frameidx(0)]);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
913 if (is_indexed (imvec[frameidx(0)]))
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
914 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
915 if (depth <= 1)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
916 output = read_indexed_images<boolNDArray> (imvec, frameidx,
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
917 nargout, options);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
918 else if (depth <= 8)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
919 output = read_indexed_images<uint8NDArray> (imvec, frameidx,
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
920 nargout, options);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
921 else if (depth <= 16)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
922 output = read_indexed_images<uint16NDArray> (imvec, frameidx,
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
923 nargout, options);
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
924 else
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
925 error ("imread: indexed images with depths greater than 16-bit are not supported");
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16983
diff changeset
926 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11585
diff changeset
927
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
928 else
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
929 {
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
930 if (depth <= 1)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
931 output = read_images<boolNDArray> (imvec, frameidx, nargout, options);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
932 else if (depth <= 8)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
933 output = read_images<uint8NDArray> (imvec, frameidx, nargout, options);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
934 else if (depth <= 16)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
935 output = read_images<uint16NDArray> (imvec, frameidx, nargout, options);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
936 else if (depth <= 32)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
937 output = read_images<FloatNDArray> (imvec, frameidx, nargout, options);
17110
95055b814d35 imread: implement reading of images with 32 bitdepth and alpha channels.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
938 else
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25688
diff changeset
939 error ("imread: reading of images with %" OCTAVE_IDX_TYPE_FORMAT
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25688
diff changeset
940 "-bit depth is not supported", depth);
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16989
diff changeset
941 }
7937
6661387827d6 Allow build without GraphicsMagick installed
David Bateman <dbateman@free.fr>
parents: 7933
diff changeset
942
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
943 return output;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
944
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
945 #else
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
946
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
947 octave_unused_parameter (args);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
948 octave_unused_parameter (nargout);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
949
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 21033
diff changeset
950 err_disabled_feature ("imread", "Image IO");
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
951
7937
6661387827d6 Allow build without GraphicsMagick installed
David Bateman <dbateman@free.fr>
parents: 7933
diff changeset
952 #endif
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
953 }
7926
d74f996e005d __magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
954
12805
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
955 /*
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
956 ## No test needed for internal helper function.
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
957 %!assert (1)
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
958 */
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
959
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
960 #if defined (HAVE_MAGICK)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
961
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21100
diff changeset
962 template <typename T>
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
963 static uint32NDArray
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
964 img_float2uint (const T& img)
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
965 {
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
966 typedef typename T::element_type P;
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
967 uint32NDArray out (img.dims ());
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
968
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23416
diff changeset
969 octave_uint32 *out_fvec = out.fortran_vec ();
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
970 const P *img_fvec = img.data ();
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
971
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
972 const octave_uint32 max = octave_uint32::max ();
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
973 const octave_idx_type numel = img.numel ();
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
974 for (octave_idx_type idx = 0; idx < numel; idx++)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
975 out_fvec[idx] = img_fvec[idx] * max;
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
976
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
977 return out;
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
978 }
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
979
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
980 // Gets the bitdepth to be used for an Octave class, i.e, returns 8 for
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
981 // uint8, 16 for uint16, and 32 for uint32
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21100
diff changeset
982 template <typename T>
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
983 static octave_idx_type
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
984 bitdepth_from_class ()
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
985 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
986 typedef typename T::element_type P;
27277
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
987 const octave_idx_type bitdepth
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
988 = sizeof (P) * std::numeric_limits<unsigned char>::digits;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
989 return bitdepth;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
990 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
991
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
992 static Magick::Image
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
993 init_enconde_image (const octave_idx_type& nCols, const octave_idx_type& nRows,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
994 const octave_idx_type& bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
995 const Magick::ImageType& type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
996 const Magick::ClassType& klass)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
997 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
998 Magick::Image img (Magick::Geometry (nCols, nRows), "black");
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
999 // Ensure that there are no other references to this image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1000 img.modifyImage ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1001
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1002 img.classType (klass);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1003 img.type (type);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1004 // FIXME: for some reason, setting bitdepth doesn't seem to work for
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1005 // indexed images.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1006 img.depth (bitdepth);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1007 switch (type)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1008 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1009 case Magick::GrayscaleMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1010 case Magick::TrueColorMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1011 case Magick::ColorSeparationMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1012 case Magick::PaletteMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1013 img.matte (true);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1014 break;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1015
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1016 default:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1017 img.matte (false);
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1018 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1019
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1020 return img;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1021 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1022
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21100
diff changeset
1023 template <typename T>
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1024 static void
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1025 encode_indexed_images (std::vector<Magick::Image>& imvec,
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1026 const T& img,
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1027 const Matrix& cmap)
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1028 {
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1029 typedef typename T::element_type P;
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
1030 const octave_idx_type nFrames = (img.ndims () < 4 ? 1 : img.dims ()(3));
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1031 const octave_idx_type nRows = img.rows ();
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1032 const octave_idx_type nCols = img.columns ();
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1033 const octave_idx_type cmap_size = cmap.rows ();
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1034 const octave_idx_type bitdepth = bitdepth_from_class<T> ();
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1035
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1036 // There is no colormap object, we need to build a new one for each frame,
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1037 // even if it's always the same. We can least get a vector for the Colors.
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1038 std::vector<Magick::ColorRGB> colormap;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1039 {
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1040 const double *cmap_fvec = cmap.data ();
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1041 const octave_idx_type G_offset = cmap_size;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1042 const octave_idx_type B_offset = cmap_size * 2;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1043 for (octave_idx_type map_idx = 0; map_idx < cmap_size; map_idx++)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1044 colormap.push_back (Magick::ColorRGB (cmap_fvec[map_idx],
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1045 cmap_fvec[map_idx + G_offset],
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1046 cmap_fvec[map_idx + B_offset]));
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1047 }
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1048
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1049 for (octave_idx_type frame = 0; frame < nFrames; frame++)
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1050 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1051 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1052
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1053 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1054 Magick::PaletteType,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1055 Magick::PseudoClass);
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1056
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1057 // Insert colormap.
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1058 m_img.colorMapSize (cmap_size);
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1059 for (octave_idx_type map_idx = 0; map_idx < cmap_size; map_idx++)
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1060 m_img.colorMap (map_idx, colormap[map_idx]);
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1061
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1062 // Why are we also setting the pixel values instead of only the
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1063 // index values? We don't know if a file format supports indexed
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1064 // images. If we only set the indexes and then try to save the
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1065 // image as JPEG for example, the indexed values get discarded,
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1066 // there is no conversion from the indexes, it's the initial values
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1067 // that get used. An alternative would be to only set the pixel
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1068 // values (no indexes), then set the image as PseudoClass and GM
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1069 // would create a colormap for us. However, we wouldn't have control
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1070 // over the order of that colormap. And that's why we set both.
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23416
diff changeset
1071 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23416
diff changeset
1072 Magick::IndexPacket *ind = m_img.getIndexes ();
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1073 const P *img_fvec = img.data ();
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1074
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1075 octave_idx_type GM_idx = 0;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1076 for (octave_idx_type column = 0; column < nCols; column++)
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1077 {
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1078 for (octave_idx_type row = 0; row < nRows; row++)
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1079 {
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1080 ind[GM_idx] = double (*img_fvec);
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1081 pix[GM_idx] = m_img.colorMap (double (*img_fvec));
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1082 img_fvec++;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1083 GM_idx += nCols;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1084 }
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1085 GM_idx -= nCols * nRows - 1;
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1086 }
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1087
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1088 // Save changes to underlying image.
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1089 m_img.syncPixels ();
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1090 imvec.push_back (m_img);
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1091 }
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1092 }
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1093
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1094 static void
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1095 encode_bool_image (std::vector<Magick::Image>& imvec, const boolNDArray& img)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1096 {
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
1097 const octave_idx_type nFrames = (img.ndims () < 4 ? 1 : img.dims ()(3));
21568
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
1098 const octave_idx_type nRows = img.rows ();
3d60ed163b70 maint: Eliminate bad spacing around '='.
Rik <rik@octave.org>
parents: 21567
diff changeset
1099 const octave_idx_type nCols = img.columns ();
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1100
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1101 // The initialized image will be black, this is for the other pixels
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1102 const Magick::Color white ("white");
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1103
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1104 const bool *img_fvec = img.data ();
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1105 octave_idx_type img_idx = 0;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1106 for (octave_idx_type frame = 0; frame < nFrames; frame++)
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1107 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1108 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1109
17333
51c011825bcc __magick_write__: make sure binary images are saved as bilevel for some coders.
Carnë Draug <carandraug@octave.org>
parents: 17332
diff changeset
1110 // For some reason, we can't set the type to Magick::BilevelType or
51c011825bcc __magick_write__: make sure binary images are saved as bilevel for some coders.
Carnë Draug <carandraug@octave.org>
parents: 17332
diff changeset
1111 // the output image will be black, changing to white has no effect.
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1112 // However, this will still work fine and a binary image will be
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1113 // saved because we are setting the bitdepth to 1.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1114 Magick::Image m_img = init_enconde_image (nCols, nRows, 1,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1115 Magick::GrayscaleType,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1116 Magick::DirectClass);
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1117
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1118 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1119 octave_idx_type GM_idx = 0;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1120 for (octave_idx_type col = 0; col < nCols; col++)
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1121 {
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1122 for (octave_idx_type row = 0; row < nRows; row++)
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1123 {
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1124 if (img_fvec[img_idx])
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1125 pix[GM_idx] = white;
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1126
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1127 img_idx++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1128 GM_idx += nCols;
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1129 }
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1130 GM_idx -= nCols * nRows - 1;
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1131 }
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1132 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1133 m_img.syncPixels ();
17333
51c011825bcc __magick_write__: make sure binary images are saved as bilevel for some coders.
Carnë Draug <carandraug@octave.org>
parents: 17332
diff changeset
1134 // While we could not set it to Bilevel at the start, we can do it
51c011825bcc __magick_write__: make sure binary images are saved as bilevel for some coders.
Carnë Draug <carandraug@octave.org>
parents: 17332
diff changeset
1135 // here otherwise some coders won't save it as binary.
51c011825bcc __magick_write__: make sure binary images are saved as bilevel for some coders.
Carnë Draug <carandraug@octave.org>
parents: 17332
diff changeset
1136 m_img.type (Magick::BilevelType);
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1137 imvec.push_back (m_img);
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1138 }
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1139 }
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1140
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21100
diff changeset
1141 template <typename T>
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1142 static void
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1143 encode_uint_image (std::vector<Magick::Image>& imvec,
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1144 const T& img, const T& alpha)
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1145 {
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1146 typedef typename T::element_type P;
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
1147 const octave_idx_type channels = (img.ndims () < 3 ? 1 : img.dims ()(2));
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
1148 const octave_idx_type nFrames = (img.ndims () < 4 ? 1 : img.dims ()(3));
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1149 const octave_idx_type nRows = img.rows ();
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1150 const octave_idx_type nCols = img.columns ();
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1151 const octave_idx_type bitdepth = bitdepth_from_class<T> ();
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1152
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1153 Magick::ImageType type;
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23457
diff changeset
1154 const bool has_alpha = ! alpha.isempty ();
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1155 switch (channels)
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1156 {
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1157 case 1:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1158 if (has_alpha)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1159 type = Magick::GrayscaleMatteType;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1160 else
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1161 type = Magick::GrayscaleType;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1162 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1163
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1164 case 3:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1165 if (has_alpha)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1166 type = Magick::TrueColorMatteType;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1167 else
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1168 type = Magick::TrueColorType;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1169 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1170
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1171 case 4:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1172 if (has_alpha)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1173 type = Magick::ColorSeparationMatteType;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1174 else
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1175 type = Magick::ColorSeparationType;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1176 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1177
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1178 default:
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
1179 // __imwrite should have already filtered this cases
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
1180 error ("__magick_write__: wrong size on 3rd dimension");
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1181 }
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1182
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1183 // We will be passing the values as integers with depth as specified
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1184 // by QuantumDepth (maximum value specified by MaxRGB). This is independent
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1185 // of the actual depth of the image. GM will then convert the values but
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1186 // while in memory, it always keeps the values as specified by QuantumDepth.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1187 // From GM documentation:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1188 // Color arguments are must be scaled to fit the Quantum size according to
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1189 // the range of MaxRGB
25688
b2917b7858ba maint: Use Octave convention for spacing of C++ cast statements.
Rik <rik@octave.org>
parents: 25054
diff changeset
1190 const double divisor = static_cast<double> ((uint64_t (1) << bitdepth) - 1)
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1191 / MaxRGB;
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1192
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1193 const P *img_fvec = img.data ();
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1194 const P *a_fvec = alpha.data ();
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1195 switch (type)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1196 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1197 case Magick::GrayscaleType:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1198 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1199 for (octave_idx_type frame = 0; frame < nFrames; frame++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1200 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1201 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1202
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1203 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1204 type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1205 Magick::DirectClass);
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1206
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1207 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1208 octave_idx_type GM_idx = 0;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1209 for (octave_idx_type col = 0; col < nCols; col++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1210 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1211 for (octave_idx_type row = 0; row < nRows; row++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1212 {
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1213 const double grey = math::round (double (*img_fvec) / divisor);
19694
c334e4af3a1b Fix incorrect writing of grayscale JPEG images (bugs #41673, #44118, #42474)
Ilya Kurdyukov <olme8@mail.ru>
parents: 18955
diff changeset
1214 Magick::Color c (grey, grey, grey);
c334e4af3a1b Fix incorrect writing of grayscale JPEG images (bugs #41673, #44118, #42474)
Ilya Kurdyukov <olme8@mail.ru>
parents: 18955
diff changeset
1215 pix[GM_idx] = c;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1216 img_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1217 GM_idx += nCols;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1218 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1219 GM_idx -= nCols * nRows - 1;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1220 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1221 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1222 m_img.syncPixels ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1223 imvec.push_back (m_img);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1224 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1225 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1226 }
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1227
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1228 case Magick::GrayscaleMatteType:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1229 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1230 for (octave_idx_type frame = 0; frame < nFrames; frame++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1231 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1232 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1233
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1234 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1235 type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1236 Magick::DirectClass);
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1237
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1238 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1239 octave_idx_type GM_idx = 0;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1240 for (octave_idx_type col = 0; col < nCols; col++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1241 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1242 for (octave_idx_type row = 0; row < nRows; row++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1243 {
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1244 double grey = math::round (double (*img_fvec) / divisor);
18544
e0cc67d5a462 Fix writing of grayscale images when there is an alpha channel.
Carnë Draug <carandraug@octave.org>
parents: 18542
diff changeset
1245 Magick::Color c (grey, grey, grey,
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1246 MaxRGB - math::round (double (*a_fvec) / divisor));
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1247 pix[GM_idx] = c;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1248 img_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1249 a_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1250 GM_idx += nCols;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1251 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1252 GM_idx -= nCols * nRows - 1;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1253 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1254 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1255 m_img.syncPixels ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1256 imvec.push_back (m_img);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1257 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1258 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1259 }
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1260
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1261 case Magick::TrueColorType:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1262 {
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1263 // The data offset for the green and blue channels
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1264 const octave_idx_type G_offset = nCols * nRows;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1265 const octave_idx_type B_offset = nCols * nRows * 2;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1266 for (octave_idx_type frame = 0; frame < nFrames; frame++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1267 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1268 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1269
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1270 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1271 type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1272 Magick::DirectClass);
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1273
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1274 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1275 octave_idx_type GM_idx = 0;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1276 for (octave_idx_type col = 0; col < nCols; col++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1277 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1278 for (octave_idx_type row = 0; row < nRows; row++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1279 {
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1280 Magick::Color c (math::round (double (*img_fvec) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1281 math::round (double (img_fvec[G_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1282 math::round (double (img_fvec[B_offset]) / divisor));
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1283 pix[GM_idx] = c;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1284 img_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1285 GM_idx += nCols;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1286 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1287 GM_idx -= nCols * nRows - 1;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1288 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1289 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1290 m_img.syncPixels ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1291 imvec.push_back (m_img);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1292 img_fvec += B_offset;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1293 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1294 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1295 }
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1296
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1297 case Magick::TrueColorMatteType:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1298 {
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1299 // The data offset for the green and blue channels
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1300 const octave_idx_type G_offset = nCols * nRows;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1301 const octave_idx_type B_offset = nCols * nRows * 2;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1302 for (octave_idx_type frame = 0; frame < nFrames; frame++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1303 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1304 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1305
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1306 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1307 type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1308 Magick::DirectClass);
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1309
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1310 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1311 octave_idx_type GM_idx = 0;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1312 for (octave_idx_type col = 0; col < nCols; col++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1313 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1314 for (octave_idx_type row = 0; row < nRows; row++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1315 {
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1316 Magick::Color c (math::round (double (*img_fvec) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1317 math::round (double (img_fvec[G_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1318 math::round (double (img_fvec[B_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1319 MaxRGB - math::round (double (*a_fvec) / divisor));
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1320 pix[GM_idx] = c;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1321 img_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1322 a_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1323 GM_idx += nCols;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1324 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1325 GM_idx -= nCols * nRows - 1;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1326 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1327 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1328 m_img.syncPixels ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1329 imvec.push_back (m_img);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1330 img_fvec += B_offset;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1331 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1332 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1333 }
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1334
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1335 case Magick::ColorSeparationType:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1336 {
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1337 // The data offset for the Magenta, Yellow, and blacK channels
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1338 const octave_idx_type M_offset = nCols * nRows;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1339 const octave_idx_type Y_offset = nCols * nRows * 2;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1340 const octave_idx_type K_offset = nCols * nRows * 3;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1341 for (octave_idx_type frame = 0; frame < nFrames; frame++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1342 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1343 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1344
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1345 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1346 type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1347 Magick::DirectClass);
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1348
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1349 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1350 octave_idx_type GM_idx = 0;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1351 for (octave_idx_type col = 0; col < nCols; col++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1352 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1353 for (octave_idx_type row = 0; row < nRows; row++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1354 {
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1355 Magick::Color c (math::round (double (*img_fvec) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1356 math::round (double (img_fvec[M_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1357 math::round (double (img_fvec[Y_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1358 math::round (double (img_fvec[K_offset]) / divisor));
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1359 pix[GM_idx] = c;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1360 img_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1361 GM_idx += nCols;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1362 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1363 GM_idx -= nCols * nRows - 1;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1364 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1365 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1366 m_img.syncPixels ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1367 imvec.push_back (m_img);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1368 img_fvec += K_offset;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1369 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1370 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1371 }
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1372
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1373 case Magick::ColorSeparationMatteType:
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1374 {
29931
7faff48840eb prefer data over fortran_vec for read-only access to data
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
1375 // The data offset for the Magenta, Yellow, and blacK channels
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1376 const octave_idx_type M_offset = nCols * nRows;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1377 const octave_idx_type Y_offset = nCols * nRows * 2;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1378 const octave_idx_type K_offset = nCols * nRows * 3;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1379 for (octave_idx_type frame = 0; frame < nFrames; frame++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1380 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1381 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
1382
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1383 Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1384 type,
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1385 Magick::DirectClass);
10979
7f49dc864f32 __magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 10978
diff changeset
1386
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1387 Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows);
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1388 Magick::IndexPacket *ind = m_img.getIndexes ();
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1389 octave_idx_type GM_idx = 0;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1390 for (octave_idx_type col = 0; col < nCols; col++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1391 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1392 for (octave_idx_type row = 0; row < nRows; row++)
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1393 {
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1394 Magick::Color c (math::round (double (*img_fvec) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1395 math::round (double (img_fvec[M_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1396 math::round (double (img_fvec[Y_offset]) / divisor),
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1397 math::round (double (img_fvec[K_offset]) / divisor));
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1398 pix[GM_idx] = c;
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1399 ind[GM_idx] = MaxRGB - math::round (double (*a_fvec) / divisor);
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1400 img_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1401 a_fvec++;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1402 GM_idx += nCols;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1403 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1404 GM_idx -= nCols * nRows - 1;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1405 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1406 // Save changes to underlying image.
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1407 m_img.syncPixels ();
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1408 imvec.push_back (m_img);
18542
30aa4e85f8d5 Fix writing and reading of multipage images.
Carnë Draug <carandraug@octave.org>
parents: 18149
diff changeset
1409 img_fvec += K_offset;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1410 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1411 break;
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1412 }
11034
6589aaf769f6 Correctly handle logical and integer bit depths
John Swensen <jpswensen@gmail.com>
parents: 10988
diff changeset
1413
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1414 default:
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
1415 error ("__magick_write__: unrecognized Magick::ImageType");
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1416 }
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
1417
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1418 return;
8054
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1419 }
272eaebbb6ba Various features added to imwrite
scofield@scofield
parents: 8053
diff changeset
1420
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1421 // Meant to be shared with both imfinfo and imwrite.
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1422 static std::map<octave_idx_type, std::string>
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1423 init_disposal_methods ()
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1424 {
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1425 // GIF Specifications:
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1426 //
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1427 // Disposal Method - Indicates the way in which the graphic is to
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1428 // be treated after being displayed.
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1429 //
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1430 // 0 - No disposal specified. The decoder is
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1431 // not required to take any action.
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1432 // 1 - Do not dispose. The graphic is to be left
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1433 // in place.
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1434 // 2 - Restore to background color. The area used by the
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1435 // graphic must be restored to the background color.
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1436 // 3 - Restore to previous. The decoder is required to
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1437 // restore the area overwritten by the graphic with
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1438 // what was there prior to rendering the graphic.
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1439 // 4-7 - To be defined.
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1440 static std::map<octave_idx_type, std::string> methods;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1441 if (methods.empty ())
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1442 {
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1443 methods[0] = "doNotSpecify";
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1444 methods[1] = "leaveInPlace";
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1445 methods[2] = "restoreBG";
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1446 methods[3] = "restorePrevious";
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1447 }
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1448 return methods;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1449 }
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1450 static std::map<std::string, octave_idx_type>
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1451 init_reverse_disposal_methods ()
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1452 {
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1453 static std::map<std::string, octave_idx_type> methods;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1454 if (methods.empty ())
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1455 {
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1456 methods["donotspecify"] = 0;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1457 methods["leaveinplace"] = 1;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1458 methods["restorebg"] = 2;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1459 methods["restoreprevious"] = 3;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1460 }
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1461 return methods;
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1462 }
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1463
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1464 void static
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1465 write_file (const std::string& filename,
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1466 const std::string& ext,
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1467 std::vector<Magick::Image>& imvec)
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1468 {
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1469 try
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1470 {
23807
336f89b6208b Use character literals 'c' rather than string literals "c" when possible.
Rik <rik@octave.org>
parents: 23795
diff changeset
1471 Magick::writeImages (imvec.begin (), imvec.end (), ext + ':' + filename);
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1472 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
1473 catch (const Magick::Warning& w)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1474 {
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1475 warning ("Magick++ warning: %s", w.what ());
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1476 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
1477 catch (const Magick::ErrorCoder& e)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1478 {
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1479 warning ("Magick++ coder error: %s", e.what ());
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1480 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
1481 catch (const Magick::Exception& e)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1482 {
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1483 error ("Magick++ exception: %s", e.what ());
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1484 }
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1485 }
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1486
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1487 #endif
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1488
21679
44f7664689f2 make __magick_read__ a built-in function (bug #41699)
John W. Eaton <jwe@octave.org>
parents: 21142
diff changeset
1489 DEFUN (__magick_write__, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1490 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1491 @deftypefn {} {} __magick_write__ (@var{fname}, @var{fmt}, @var{img}, @var{map}, @var{options})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1492 Write image with GraphicsMagick or ImageMagick.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1493
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1494 This is a private internal function not intended for direct use.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1495 Use @code{imwrite} instead.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1496
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1497 @seealso{imfinfo, imformats, imread, imwrite}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1498 @end deftypefn */)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1499 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
1500 #if defined (HAVE_MAGICK)
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1501
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1502 if (args.length () != 5 || ! args(0).is_string () || ! args(1).is_string ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1503 print_usage ();
16983
4660d047955e Make use of gripe_disabled_feature() for image IO functions.
Carnë Draug <carandraug+dev@gmail.com>
parents: 16944
diff changeset
1504
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
1505 maybe_initialize_magick ();
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
1506
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1507 const std::string filename = args(0).string_value ();
20704
571508c1ed06 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
1508 const std::string ext = args(1).string_value ();
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1509
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1510 const octave_scalar_map options
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1511 = args(4).xscalar_map_value ("__magick_write__: OPTIONS must be a struct");
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1512
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21489
diff changeset
1513 const octave_value img = args(2);
20704
571508c1ed06 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
1514 const Matrix cmap = args(3).xmatrix_value ("__magick_write__: invalid MAP");
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1515
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1516 std::vector<Magick::Image> imvec;
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1517
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23457
diff changeset
1518 if (cmap.isempty ())
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1519 {
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1520 const octave_value alpha = options.getfield ("alpha");
23579
c20a0fa91c0c maint: Deprecate is_bool_type and replace with islogical.
Rik <rik@octave.org>
parents: 23577
diff changeset
1521 if (img.islogical ())
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1522 encode_bool_image (imvec, img.bool_array_value ());
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1523 else if (img.is_uint8_type ())
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1524 encode_uint_image<uint8NDArray> (imvec, img.uint8_array_value (),
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1525 alpha.uint8_array_value ());
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1526 else if (img.is_uint16_type ())
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1527 encode_uint_image<uint16NDArray> (imvec, img.uint16_array_value (),
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1528 alpha.uint16_array_value ());
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1529 else if (img.is_uint32_type ())
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1530 encode_uint_image<uint32NDArray> (imvec, img.uint32_array_value (),
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1531 alpha.uint32_array_value ());
23585
570170b6eb09 maint: Deprecate is_float_type and replace with isfloat.
Rik <rik@octave.org>
parents: 23584
diff changeset
1532 else if (img.isfloat ())
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1533 {
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1534 // For image formats that support floating point values, we write
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1535 // the actual values. For those who don't, we only use the values
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1536 // on the range [0 1] and save integer values.
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1537 // But here, even for formats that would support floating point
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1538 // values, GM seems unable to do that so we at least make them uint32.
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1539 uint32NDArray clip_img;
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1540 uint32NDArray clip_alpha;
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1541 if (img.is_single_type ())
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1542 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1543 clip_img = img_float2uint<FloatNDArray>
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1544 (img.float_array_value ());
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1545 clip_alpha = img_float2uint<FloatNDArray>
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1546 (alpha.float_array_value ());
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1547 }
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1548 else
17332
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1549 {
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1550 clip_img = img_float2uint<NDArray> (img.array_value ());
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1551 clip_alpha = img_float2uint<NDArray> (alpha.array_value ());
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1552 }
eb7e9a991ffb Implement writing of CMYK and fix writing of image alpha channel (bug #32986).
Carnë Draug <carandraug@octave.org>
parents: 17240
diff changeset
1553 encode_uint_image<uint32NDArray> (imvec, clip_img, clip_alpha);
17228
2f1729cae08f Initial support for writing of floating point and uint32 images.
Carnë Draug <carandraug@octave.org>
parents: 17226
diff changeset
1554 }
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1555 else
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
1556 error ("__magick_write__: image type not supported");
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1557 }
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1558 else
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1559 {
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1560 // We should not get floating point indexed images here because we
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1561 // converted them in __imwrite__.m. We should probably do it here
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1562 // but it would look much messier.
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1563 if (img.is_uint8_type ())
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1564 encode_indexed_images<uint8NDArray> (imvec, img.uint8_array_value (),
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1565 cmap);
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1566 else if (img.is_uint16_type ())
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1567 encode_indexed_images<uint16NDArray> (imvec, img.uint16_array_value (),
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1568 cmap);
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1569 else
28905
89a425f2c202 maint: Use Octave convention that error() messages don't end with a period.
Rik <rik@octave.org>
parents: 28638
diff changeset
1570 error ("__magick_write__: indexed image must be uint8, uint16 or float");
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1571 }
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1572 static std::map<std::string, octave_idx_type> disposal_methods
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1573 = init_reverse_disposal_methods ();
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1574
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1575 const octave_idx_type nFrames = imvec.size ();
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1576
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1577 const octave_idx_type quality = options.getfield ("quality").int_value ();
27277
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
1578 const ColumnVector delaytime
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
1579 = options.getfield ("delaytime").column_vector_value ();
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
1580 const Array<std::string> disposalmethod
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
1581 = options.getfield ("disposalmethod").cellstr_value ();
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1582 for (octave_idx_type i = 0; i < nFrames; i++)
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1583 {
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1584 imvec[i].quality (quality);
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1585 imvec[i].animationDelay (delaytime(i));
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1586 imvec[i].gifDisposeMethod (disposal_methods[disposalmethod(i)]);
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1587 }
17854
adb0ba0d0c13 imwrite: implement DelayTime option.
Carnë Draug <carandraug@octave.org>
parents: 17853
diff changeset
1588
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1589 // If writemode is set to append, read the image and append to it. Even
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1590 // if set to append, make sure that something was read at all.
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1591 const std::string writemode = options.getfield ("writemode").string_value ();
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1592 if (writemode == "append" && sys::file_stat (filename).exists ())
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1593 {
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1594 std::vector<Magick::Image> ini_imvec;
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1595 read_file (filename, ini_imvec);
20555
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1596
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1597 if (ini_imvec.size () > 0)
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1598 {
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1599 ini_imvec.insert (ini_imvec.end (), imvec.begin (), imvec.end ());
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1600 ini_imvec.swap (imvec);
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1601 }
16988
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1602 }
54b75bed4bc7 imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
1603
17861
870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents: 17855
diff changeset
1604 // FIXME: LoopCount or animationIterations
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1605 // How it should work:
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1606 //
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1607 // This value is only set for the first image in the sequence. Trying
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1608 // to set this value with the append mode should have no effect, the
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1609 // value used with the first image is the one that counts (that would
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1610 // also be Matlab compatible). Thus, the right way to do this would be
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1611 // to have an else block on the condition above, and set this only
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1612 // when creating a new file. Since Matlab does not interpret a 4D
17855
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1613 // matrix as sequence of images to write, its users need to use a for
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1614 // loop and set LoopCount only on the first iteration (it actually
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1615 // throws warnings otherwise)
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1616 //
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1617 // Why is this not done the right way:
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1618 //
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1619 // When GM saves a single image, it discards the value if there is only
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1620 // a single image and sets it to "no loop". Since our default is an
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1621 // infinite loop, if the user tries to do it the Matlab way (setting
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1622 // LoopCount only on the first image) that value will go nowhere.
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1623 // See https://sourceforge.net/p/graphicsmagick/bugs/248/
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1624 // Because of this, we document to set LoopCount on every iteration
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1625 // (in Matlab will cause a lot of warnings), or pass a 4D matrix with
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1626 // all frames (won't work in Matlab at all).
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1627 // Note that this only needs to be set on the first frame
bfbe5dcc9943 imwrite: implement DisposalMethod option.
Carnë Draug <carandraug@octave.org>
parents: 17854
diff changeset
1628 imvec[0].animationIterations (options.getfield ("loopcount").uint_value ());
17853
aacb9da13df6 imwrite: implement LoopCount option.
Carnë Draug <carandraug@octave.org>
parents: 17787
diff changeset
1629
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1630 const std::string compression
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1631 = options.getfield ("compression").string_value ();
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1632
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1633 #define COMPRESS_MAGICK_IMAGE_VECTOR(GM_TYPE) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1634 for (std::vector<Magick::Image>::size_type i = 0; i < imvec.size (); i++) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1635 imvec[i].compressType (GM_TYPE)
20406
5b8e4f668c53 Add compression option to imwrite and default to "none" (bug #45565)
Carnë Draug <carandraug@octave.org>
parents: 20338
diff changeset
1636
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1637 if (compression == "none")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1638 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::NoCompression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1639 else if (compression == "bzip")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1640 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::BZipCompression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1641 else if (compression == "fax3")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1642 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::FaxCompression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1643 else if (compression == "fax4")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1644 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::Group4Compression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1645 else if (compression == "jpeg")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1646 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::JPEGCompression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1647 else if (compression == "lzw")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1648 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::LZWCompression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1649 else if (compression == "rle")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1650 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::RLECompression);
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1651 else if (compression == "deflate")
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 21966
diff changeset
1652 COMPRESS_MAGICK_IMAGE_VECTOR (Magick::ZipCompression);
20406
5b8e4f668c53 Add compression option to imwrite and default to "none" (bug #45565)
Carnë Draug <carandraug@octave.org>
parents: 20338
diff changeset
1653
5b8e4f668c53 Add compression option to imwrite and default to "none" (bug #45565)
Carnë Draug <carandraug@octave.org>
parents: 20338
diff changeset
1654 #undef COMPRESS_MAGICK_IMAGE_VECTOR
5b8e4f668c53 Add compression option to imwrite and default to "none" (bug #45565)
Carnë Draug <carandraug@octave.org>
parents: 20338
diff changeset
1655
17226
46805642048f Implement writing of indexed images.
Carnë Draug <carandraug@octave.org>
parents: 17149
diff changeset
1656 write_file (filename, ext, imvec);
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1657
20941
a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents: 20939
diff changeset
1658 return ovl ();
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1659
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1660 #else
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1661
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1662 octave_unused_parameter (args);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1663
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 21033
diff changeset
1664 err_disabled_feature ("imwrite", "Image IO");
7974
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1665
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1666 #endif
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1667 }
fcaddd090f98 imwrite: new function
John W. Eaton <jwe@octave.org>
parents: 7937
diff changeset
1668
12805
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
1669 /*
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
1670 ## No test needed for internal helper function.
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
1671 %!assert (1)
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
1672 */
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
1673
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1674 // Gets the minimum information from images such as its size and format. Much
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1675 // faster than using imfinfo, which slows down a lot since. Note than without
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1676 // this, we need to read the image once for imfinfo to set defaults (which is
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1677 // done in Octave language), and then again for the actual reading.
21679
44f7664689f2 make __magick_read__ a built-in function (bug #41699)
John W. Eaton <jwe@octave.org>
parents: 21142
diff changeset
1678 DEFUN (__magick_ping__, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1679 doc: /* -*- texinfo -*-
30888
32d2b6604a9f doc: Ensure documentation lists output argument when it exists for functions in libinterp/
Rik <rik@octave.org>
parents: 30564
diff changeset
1680 @deftypefn {} {@var{fmt} =} __magick_ping__ (@var{fname}, @var{idx})
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1681 Ping image information with GraphicsMagick or ImageMagick.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1682
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1683 This is a private internal function not intended for direct use.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1684
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1685 @seealso{imfinfo}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1686 @end deftypefn */)
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1687 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
1688 #if defined (HAVE_MAGICK)
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1689
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1690 if (args.length () < 1 || ! args(0).is_string ())
20790
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20729
diff changeset
1691 print_usage ();
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20729
diff changeset
1692
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1693 maybe_initialize_magick ();
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1694
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1695 const std::string filename = args(0).string_value ();
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1696
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1697 int idx;
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1698 if (args.length () > 1)
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1699 idx = args(1).int_value () -1;
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1700 else
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1701 idx = 0;
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1702
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1703 Magick::Image img;
17705
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1704 img.subImage (idx); // start ping from this image (in case of multi-page)
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1705 img.subRange (1); // ping only one of them
28473
04ee5e8694cb __magick_read__.cc: Correctly read images from non-ASCII paths on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
1706
28535
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
1707 // FIXME: We need this on Windows because GraphicsMagick uses the ANSI API
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
1708 // to open files on disc. In contrast, the API of ImageMagick uses UTF-8
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
1709 // encoded strings. Should we somehow detect which is used on runtime and
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
1710 // pass the file names accordingly? (See also bug #58493.)
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
1711 std::string ascii_fname = sys::get_ASCII_filename (filename, true);
28473
04ee5e8694cb __magick_read__.cc: Correctly read images from non-ASCII paths on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
1712
17705
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1713 try
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1714 {
28535
09b60b423e6f Re-do fix for reading images with non-ASCII filenames on Windows (bug #58493).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28473
diff changeset
1715 img.ping (ascii_fname);
17705
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1716 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
1717 catch (const Magick::Warning& w)
17705
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1718 {
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1719 warning ("Magick++ warning: %s", w.what ());
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1720 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
1721 catch (const Magick::Exception& e)
17705
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1722 {
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1723 error ("Magick++ exception: %s", e.what ());
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1724 }
292319fb7fcc Catch Magick++ errors and warnings when pinging image (bug #40267)
Carnë Draug <carandraug@octave.org>
parents: 17561
diff changeset
1725
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
1726 static const char *fields[] = {"rows", "columns", "format", nullptr};
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1727 octave_scalar_map ping = octave_scalar_map (string_vector (fields));
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1728 ping.setfield ("rows", octave_value (img.rows ()));
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1729 ping.setfield ("columns", octave_value (img.columns ()));
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1730 ping.setfield ("format", octave_value (img.magick ()));
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1731
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1732 return ovl (ping);
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1733
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
1734 #else
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1735
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1736 octave_unused_parameter (args);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1737
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 21033
diff changeset
1738 err_disabled_feature ("imfinfo", "Image IO");
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1739
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1740 #endif
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1741 }
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17350
diff changeset
1742
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
1743 #if defined (HAVE_MAGICK)
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
1744
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1745 static octave_value
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1746 magick_to_octave_value (const Magick::CompressionType& magick)
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1747 {
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1748 switch (magick)
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1749 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1750 case Magick::NoCompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1751 return octave_value ("none");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1752 case Magick::BZipCompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1753 return octave_value ("bzip");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1754 case Magick::FaxCompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1755 return octave_value ("fax3");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1756 case Magick::Group4Compression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1757 return octave_value ("fax4");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1758 case Magick::JPEGCompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1759 return octave_value ("jpeg");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1760 case Magick::LZWCompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1761 return octave_value ("lzw");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1762 case Magick::RLECompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1763 // This is named "rle" for the HDF, but the same thing is named
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1764 // "ccitt" and "PackBits" for binary and non-binary images in TIFF.
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1765 return octave_value ("rle");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1766 case Magick::ZipCompression:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1767 return octave_value ("deflate");
17362
6e1a3b8fc312 __magick_finfo__: remove recent Magick compression types (bug #39913)
Carnë Draug <carandraug@octave.org>
parents: 17359
diff changeset
1768
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1769 // The following are present only in recent versions of GraphicsMagick.
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1770 // At the moment the only use of this would be to have imfinfo report
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1771 // the compression method. In the future, someone could implement
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1772 // the Compression option for imwrite in which case a macro in
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1773 // configure.ac will have to check for their presence of this.
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1774 // See bug #39913
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1775 // case Magick::LZMACompression:
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1776 // return octave_value ("lzma");
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1777 // case Magick::JPEG2000Compression:
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1778 // return octave_value ("jpeg2000");
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1779 // case Magick::JBIG1Compression:
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1780 // return octave_value ("jbig1");
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1781 // case Magick::JBIG2Compression:
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1782 // return octave_value ("jbig2");
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1783
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1784 default:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1785 return octave_value ("undefined");
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1786 }
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1787 }
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1788
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1789 static octave_value
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1790 magick_to_octave_value (const Magick::EndianType& magick)
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1791 {
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1792 switch (magick)
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1793 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1794 case Magick::LSBEndian:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1795 return octave_value ("little-endian");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1796 case Magick::MSBEndian:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1797 return octave_value ("big-endian");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1798 default:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1799 return octave_value ("undefined");
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1800 }
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1801 }
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1802
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1803 static octave_value
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1804 magick_to_octave_value (const Magick::OrientationType& magick)
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1805 {
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1806 switch (magick)
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1807 {
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22323
diff changeset
1808 // Values come from the TIFF6 spec
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1809 case Magick::TopLeftOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1810 return octave_value (1);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1811 case Magick::TopRightOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1812 return octave_value (2);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1813 case Magick::BottomRightOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1814 return octave_value (3);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1815 case Magick::BottomLeftOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1816 return octave_value (4);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1817 case Magick::LeftTopOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1818 return octave_value (5);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1819 case Magick::RightTopOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1820 return octave_value (6);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1821 case Magick::RightBottomOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1822 return octave_value (7);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1823 case Magick::LeftBottomOrientation:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1824 return octave_value (8);
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1825 default:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1826 return octave_value (1);
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1827 }
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1828 }
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1829
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1830 static octave_value
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1831 magick_to_octave_value (const Magick::ResolutionType& magick)
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1832 {
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1833 switch (magick)
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1834 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1835 case Magick::PixelsPerInchResolution:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1836 return octave_value ("Inch");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1837 case Magick::PixelsPerCentimeterResolution:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1838 return octave_value ("Centimeter");
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1839 default:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1840 return octave_value ("undefined");
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1841 }
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1842 }
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1843
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1844 static bool
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1845 is_valid_exif (const std::string& val)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1846 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1847 // Sometimes GM will return the string "unknown" instead of empty
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1848 // for an empty value.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1849 return (! val.empty () && val != "unknown");
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1850 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1851
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1852 static void
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1853 fill_exif (octave_scalar_map& map, Magick::Image& img,
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1854 const std::string& key)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1855 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1856 const std::string attr = img.attribute ("EXIF:" + key);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1857 if (is_valid_exif (attr))
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1858 map.setfield (key, octave_value (attr));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1859 return;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1860 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1861
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1862 static void
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1863 fill_exif_ints (octave_scalar_map& map, Magick::Image& img,
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1864 const std::string& key)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1865 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1866 const std::string attr = img.attribute ("EXIF:" + key);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1867 if (is_valid_exif (attr))
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1868 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1869 // string of the type "float,float,float....."
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1870 float number;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1871 ColumnVector values (std::count (attr.begin (), attr.end (), ',') +1);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1872 std::string sub;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1873 std::istringstream sstream (attr);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1874 octave_idx_type n = 0;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1875 while (std::getline (sstream, sub, char (',')))
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1876 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1877 sscanf (sub.c_str (), "%f", &number);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1878 values(n++) = number;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1879 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1880 map.setfield (key, octave_value (values));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1881 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1882 return;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1883 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1884
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1885 static void
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1886 fill_exif_floats (octave_scalar_map& map, Magick::Image& img,
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1887 const std::string& key)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1888 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1889 const std::string attr = img.attribute ("EXIF:" + key);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1890 if (is_valid_exif (attr))
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1891 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1892 // string of the type "int/int,int/int,int/int....."
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1893 int numerator;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1894 int denominator;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1895 ColumnVector values (std::count (attr.begin (), attr.end (), ',') +1);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1896 std::string sub;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1897 std::istringstream sstream (attr);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1898 octave_idx_type n = 0;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1899 while (std::getline (sstream, sub, ','))
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1900 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1901 sscanf (sub.c_str (), "%i/%i", &numerator, &denominator);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1902 values(n++) = double (numerator) / double (denominator);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1903 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1904 map.setfield (key, octave_value (values));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1905 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1906 return;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1907 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1908
8165
75014ec4ac84 __magick_read__.cc: only define magick_to_octave_value functions if HAVE_MAGICK is defined
John W. Eaton <jwe@octave.org>
parents: 8144
diff changeset
1909 #endif
75014ec4ac84 __magick_read__.cc: only define magick_to_octave_value functions if HAVE_MAGICK is defined
John W. Eaton <jwe@octave.org>
parents: 8144
diff changeset
1910
21679
44f7664689f2 make __magick_read__ a built-in function (bug #41699)
John W. Eaton <jwe@octave.org>
parents: 21142
diff changeset
1911 DEFUN (__magick_finfo__, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1912 doc: /* -*- texinfo -*-
30888
32d2b6604a9f doc: Ensure documentation lists output argument when it exists for functions in libinterp/
Rik <rik@octave.org>
parents: 30564
diff changeset
1913 @deftypefn {} {@var{infostruct} =} __magick_finfo__ (@var{fname})
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1914 Read image information with GraphicsMagick or ImageMagick.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1915
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1916 This is a private internal function not intended for direct use.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1917 Use @code{imfinfo} instead.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1918
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1919 @seealso{imfinfo, imformats, imread, imwrite}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
1920 @end deftypefn */)
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1921 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
1922 #if defined (HAVE_MAGICK)
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1923
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1924 if (args.length () < 1 || ! args(0).is_string ())
20790
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20729
diff changeset
1925 print_usage ();
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1926
10947
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
1927 maybe_initialize_magick ();
dc74ce93cfc4 initialize GraphicsMagick in all __magick_* functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10840
diff changeset
1928
17235
96a1c132e3c6 __magick_read__.cc: follow coding guidelines.
Carnë Draug <carandraug@octave.org>
parents: 17228
diff changeset
1929 const std::string filename = args(0).string_value ();
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
1930
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1931 std::vector<Magick::Image> imvec;
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1932 read_file (filename, imvec);
20555
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20535
diff changeset
1933
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1934 const octave_idx_type nFrames = imvec.size ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1935 const std::string format = imvec[0].magick ();
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1936
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1937 // Here's how this function works. We need to return a struct array, one
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1938 // struct for each image in the file (remember, there are image
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1939 // that allow for multiple images in the same file). Now, Matlab seems
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1940 // to have format specific code so the fields on the struct are different
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1941 // for each format. It only has a small subset that is common to all
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1942 // of them, the others are undocumented. Because we try to abstract from
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1943 // the formats we always return the same list of fields (note that with
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1944 // GM we support more than 88 formats. That's way more than Matlab, and
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1945 // I don't want to write specific code for each of them).
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1946 //
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1947 // So what we do is we create an octave_scalar_map, fill it with the
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1948 // information for that image, and then insert it into an octave_map.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1949 // Because in the same file, different images may have values for
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1950 // different fields, we can't create a field only if there's a value.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1951 // Bad things happen if we merge octave_scalar_maps with different
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1952 // fields from the others (suppose for example a TIFF file with 4 images,
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1953 // where only the third image has a colormap.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
1954
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
1955 static const char *fields[] =
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1956 {
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1957 // These are fields that must always appear for Matlab.
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1958 "Filename",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1959 "FileModDate",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1960 "FileSize",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1961 "Format",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1962 "FormatVersion",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1963 "Width",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1964 "Height",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1965 "BitDepth",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1966 "ColorType",
10333
0c42b6b7da24 imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents: 10298
diff changeset
1967
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1968 // These are format specific or not existent in Matlab. The most
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1969 // annoying thing is that Matlab may have different names for the
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1970 // same thing in different formats.
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1971 "DelayTime",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1972 "DisposalMethod",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1973 "LoopCount",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1974 "ByteOrder",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1975 "Gamma",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1976 "Chromaticities",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1977 "Comment",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1978 "Quality",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1979 "Compression", // same as CompressionType
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1980 "Colormap", // same as ColorTable (in PNG)
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1981 "Orientation",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1982 "ResolutionUnit",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1983 "XResolution",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1984 "YResolution",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1985 "Software", // sometimes is an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1986 "Make", // actually an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1987 "Model", // actually an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1988 "DateTime", // actually an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1989 "ImageDescription", // actually an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1990 "Artist", // actually an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1991 "Copyright", // actually an Exif tag
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1992 "DigitalCamera",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1993 "GPSInfo",
20097
1f9ed81bd173 maint: Fix spelling and grammar mistakes in docs and comments (bug #44878)
Rafael Laboissiere <rafael@laboissiere.net>
parents: 19885
diff changeset
1994 // Notes for the future: GM allows one to get many attributes, and even has
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1995 // attribute() to obtain arbitrary ones, that may exist in only some
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
1996 // cases. The following is a list of some methods and into what possible
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1997 // Matlab compatible values they may be converted.
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1998 //
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
1999 // colorSpace() -> PhotometricInterpretation
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2000 // backgroundColor() -> BackgroundColor
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2001 // interlaceType() -> Interlaced, InterlaceType, and PlanarConfiguration
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2002 // label() -> Title
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2003 nullptr
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2004 };
10333
0c42b6b7da24 imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents: 10298
diff changeset
2005
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2006 // The one we will return at the end
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2007 octave_map info (dim_vector (nFrames, 1), string_vector (fields));
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11585
diff changeset
2008
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2009 // Some of the fields in the struct are about file information and will be
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2010 // the same for all images in the file. So we create a template, fill in
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2011 // those values, and make a copy of the template for each image.
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2012 octave_scalar_map template_info = (string_vector (fields));
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2013
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2014 template_info.setfield ("Format", octave_value (format));
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2015 // We can't actually get FormatVersion but even Matlab sometimes can't.
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2016 template_info.setfield ("FormatVersion", octave_value (""));
10333
0c42b6b7da24 imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents: 10298
diff changeset
2017
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
2018 const sys::file_stat fs (filename);
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2019 if (! fs)
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
2020 error ("imfinfo: error reading '%s': %s", filename.c_str (),
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20812
diff changeset
2021 fs.error ().c_str ());
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2022
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29958
diff changeset
2023 const sys::localtime mtime (fs.mtime ());
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2024 const std::string filetime = mtime.strftime ("%e-%b-%Y %H:%M:%S");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2025 template_info.setfield ("Filename", octave_value (filename));
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2026 template_info.setfield ("FileModDate", octave_value (filetime));
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2027 template_info.setfield ("FileSize", octave_value (fs.size ()));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2028
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2029 for (octave_idx_type frame = 0; frame < nFrames; frame++)
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2030 {
22860
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
2031 octave_quit ();
0b1e25cc4457 eliminate use of OCTAVE_QUIT macro in C++ sources
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
2032
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2033 octave_scalar_map info_frame (template_info);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2034 const Magick::Image img = imvec[frame];
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2035
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2036 info_frame.setfield ("Width", octave_value (img.columns ()));
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2037 info_frame.setfield ("Height", octave_value (img.rows ()));
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2038 info_frame.setfield ("BitDepth",
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2039 octave_value (get_depth (const_cast<Magick::Image&> (img))));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2040
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2041 // Stuff related to colormap, image class and type
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2042 // Because GM is too smart for us... Read the comments in is_indexed()
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2043 {
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2044 std::string color_type;
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2045 Matrix cmap;
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2046 if (is_indexed (img))
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2047 {
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2048 color_type = "indexed";
27277
db687716fed6 style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents: 26488
diff changeset
2049 cmap = read_maps (const_cast<Magick::Image&> (img))(0).matrix_value ();
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2050 }
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2051 else
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2052 {
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2053 switch (img.type ())
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2054 {
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2055 case Magick::BilevelType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2056 case Magick::GrayscaleType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2057 case Magick::GrayscaleMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2058 color_type = "grayscale";
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2059 break;
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2060
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2061 case Magick::TrueColorType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2062 case Magick::TrueColorMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2063 color_type = "truecolor";
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2064 break;
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2065
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2066 case Magick::PaletteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2067 case Magick::PaletteMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2068 // we should never get here or is_indexed needs to be fixed
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2069 color_type = "indexed";
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2070 break;
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2071
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2072 case Magick::ColorSeparationType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2073 case Magick::ColorSeparationMatteType:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2074 color_type = "CMYK";
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2075 break;
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2076
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2077 default:
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2078 color_type = "undefined";
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2079 }
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2080 }
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2081 info_frame.setfield ("ColorType", octave_value (color_type));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2082 info_frame.setfield ("Colormap", octave_value (cmap));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2083 }
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2084
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2085 {
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2086 // Not all images have chroma values. In such cases, they'll
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2087 // be all zeros. So rather than send a matrix of zeros, we will
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2088 // check for that, and send an empty vector instead.
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2089 RowVector chromaticities (8);
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23416
diff changeset
2090 double *chroma_fvec = chromaticities.fortran_vec ();
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2091 img.chromaWhitePoint (&chroma_fvec[0], &chroma_fvec[1]);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2092 img.chromaRedPrimary (&chroma_fvec[2], &chroma_fvec[3]);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2093 img.chromaGreenPrimary (&chroma_fvec[4], &chroma_fvec[5]);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2094 img.chromaBluePrimary (&chroma_fvec[6], &chroma_fvec[7]);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2095 if (chromaticities.nnz () == 0)
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2096 chromaticities = RowVector (0);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2097 info_frame.setfield ("Chromaticities", octave_value (chromaticities));
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2098 }
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2099
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2100 info_frame.setfield ("Gamma", octave_value (img.gamma ()));
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2101 info_frame.setfield ("XResolution", octave_value (img.xResolution ()));
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2102 info_frame.setfield ("YResolution", octave_value (img.yResolution ()));
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2103 info_frame.setfield ("DelayTime", octave_value (img.animationDelay ()));
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2104 info_frame.setfield ("LoopCount",
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2105 octave_value (img.animationIterations ()));
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2106 info_frame.setfield ("Quality", octave_value (img.quality ()));
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2107 info_frame.setfield ("Comment", octave_value (img.comment ()));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2108
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2109 info_frame.setfield ("Compression",
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2110 magick_to_octave_value (img.compressType ()));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2111 info_frame.setfield ("Orientation",
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2112 magick_to_octave_value (img.orientation ()));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2113 info_frame.setfield ("ResolutionUnit",
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2114 magick_to_octave_value (img.resolutionUnits ()));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2115 info_frame.setfield ("ByteOrder",
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2116 magick_to_octave_value (img.endian ()));
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2117
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2118 // It is not possible to know if there's an Exif field so we just
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2119 // check for the Exif Version value. If it does exists, then we
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2120 // bother about looking for specific fields.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2121 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2122 Magick::Image& cimg = const_cast<Magick::Image&> (img);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2123
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2124 // These will be in Exif tags but must appear as fields in the
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2125 // base struct array, not as another struct in one of its fields.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2126 // This is likely because they belong to the Baseline TIFF specs
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2127 // and may appear out of the Exif tag. So first we check if it
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2128 // exists outside the Exif tag.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2129 // See Section 4.6.4, table 4, page 28 of Exif specs version 2.3
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2130 // (CIPA DC- 008-Translation- 2010)
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2131 static const char *base_exif_str_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2132 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2133 "DateTime",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2134 "ImageDescription",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2135 "Make",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2136 "Model",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2137 "Software",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2138 "Artist",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2139 "Copyright",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2140 nullptr,
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2141 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2142 static const string_vector base_exif_str (base_exif_str_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2143 static const octave_idx_type n_base_exif_str = base_exif_str.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2144 for (octave_idx_type field = 0; field < n_base_exif_str; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2145 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2146 info_frame.setfield (base_exif_str[field],
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2147 octave_value (cimg.attribute (base_exif_str[field])));
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2148 fill_exif (info_frame, cimg, base_exif_str[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2149 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2150
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2151 octave_scalar_map camera;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2152 octave_scalar_map gps;
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2153 if (! cimg.attribute ("EXIF:ExifVersion").empty ())
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2154 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2155 // See Section 4.6.5, table 7 and 8, over pages page 42 to 43
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2156 // of Exif specs version 2.3 (CIPA DC- 008-Translation- 2010)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2157
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2158 // Listed on the Exif specs as being of type ASCII.
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2159 static const char *exif_str_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2160 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2161 "RelatedSoundFile",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2162 "DateTimeOriginal",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2163 "DateTimeDigitized",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2164 "SubSecTime",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2165 "DateTimeOriginal",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2166 "SubSecTimeOriginal",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2167 "SubSecTimeDigitized",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2168 "ImageUniqueID",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2169 "CameraOwnerName",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2170 "BodySerialNumber",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2171 "LensMake",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2172 "LensModel",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2173 "LensSerialNumber",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2174 "SpectralSensitivity",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2175 // These last two are of type undefined but most likely will
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2176 // be strings. Even if they're not GM returns a string anyway.
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2177 "UserComment",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2178 "MakerComment",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2179 nullptr
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2180 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2181 static const string_vector exif_str (exif_str_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2182 static const octave_idx_type n_exif_str = exif_str.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2183 for (octave_idx_type field = 0; field < n_exif_str; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2184 fill_exif (camera, cimg, exif_str[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2185
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2186 // Listed on the Exif specs as being of type SHORT or LONG.
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2187 static const char *exif_int_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2188 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2189 "ColorSpace",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2190 "ExifImageWidth", // PixelXDimension (CPixelXDimension in Matlab)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2191 "ExifImageHeight", // PixelYDimension (CPixelYDimension in Matlab)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2192 "PhotographicSensitivity",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2193 "StandardOutputSensitivity",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2194 "RecommendedExposureIndex",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2195 "ISOSpeed",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2196 "ISOSpeedLatitudeyyy",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2197 "ISOSpeedLatitudezzz",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2198 "FocalPlaneResolutionUnit",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2199 "FocalLengthIn35mmFilm",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2200 // Listed as SHORT or LONG but with more than 1 count.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2201 "SubjectArea",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2202 "SubjectLocation",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2203 // While the following are an integer, their value have a meaning
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2204 // that must be represented as a string for Matlab compatibility.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2205 // For example, a 3 on ExposureProgram, would return
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2206 // "Aperture priority" as defined on the Exif specs.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2207 "ExposureProgram",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2208 "SensitivityType",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2209 "MeteringMode",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2210 "LightSource",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2211 "Flash",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2212 "SensingMethod",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2213 "FileSource",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2214 "CustomRendered",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2215 "ExposureMode",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2216 "WhiteBalance",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2217 "SceneCaptureType",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2218 "GainControl",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2219 "Contrast",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2220 "Saturation",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2221 "Sharpness",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2222 "SubjectDistanceRange",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2223 nullptr
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2224 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2225 static const string_vector exif_int (exif_int_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2226 static const octave_idx_type n_exif_int = exif_int.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2227 for (octave_idx_type field = 0; field < n_exif_int; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2228 fill_exif_ints (camera, cimg, exif_int[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2229
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2230 // Listed as RATIONAL or SRATIONAL
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2231 static const char *exif_float_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2232 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2233 "Gamma",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2234 "CompressedBitsPerPixel",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2235 "ExposureTime",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2236 "FNumber",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2237 "ShutterSpeedValue", // SRATIONAL
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2238 "ApertureValue",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2239 "BrightnessValue", // SRATIONAL
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2240 "ExposureBiasValue", // SRATIONAL
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2241 "MaxApertureValue",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2242 "SubjectDistance",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2243 "FocalLength",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2244 "FlashEnergy",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2245 "FocalPlaneXResolution",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2246 "FocalPlaneYResolution",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2247 "ExposureIndex",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2248 "DigitalZoomRatio",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2249 // Listed as RATIONAL or SRATIONAL with more than 1 count.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2250 "LensSpecification",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2251 nullptr
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2252 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2253 static const string_vector exif_float (exif_float_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2254 static const octave_idx_type n_exif_float = exif_float.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2255 for (octave_idx_type field = 0; field < n_exif_float; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2256 fill_exif_floats (camera, cimg, exif_float[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2257
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2258 // Inside a Exif field, it is possible that there is also a
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2259 // GPS field. This is not the same as ExifVersion but seems
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2260 // to be how we have to check for it.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2261 if (cimg.attribute ("EXIF:GPSInfo") != "unknown")
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2262 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2263 // The story here is the same as with Exif.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2264 // See Section 4.6.6, table 15 on page 68 of Exif specs
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2265 // version 2.3 (CIPA DC- 008-Translation- 2010)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2266
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2267 static const char *gps_str_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2268 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2269 "GPSLatitudeRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2270 "GPSLongitudeRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2271 "GPSAltitudeRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2272 "GPSSatellites",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2273 "GPSStatus",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2274 "GPSMeasureMode",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2275 "GPSSpeedRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2276 "GPSTrackRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2277 "GPSImgDirectionRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2278 "GPSMapDatum",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2279 "GPSDestLatitudeRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2280 "GPSDestLongitudeRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2281 "GPSDestBearingRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2282 "GPSDestDistanceRef",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2283 "GPSDateStamp",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2284 nullptr
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2285 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2286 static const string_vector gps_str (gps_str_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2287 static const octave_idx_type n_gps_str = gps_str.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2288 for (octave_idx_type field = 0; field < n_gps_str; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2289 fill_exif (gps, cimg, gps_str[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2290
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2291 static const char *gps_int_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2292 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2293 "GPSDifferential",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2294 nullptr
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2295 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2296 static const string_vector gps_int (gps_int_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2297 static const octave_idx_type n_gps_int = gps_int.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2298 for (octave_idx_type field = 0; field < n_gps_int; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2299 fill_exif_ints (gps, cimg, gps_int[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2300
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2301 static const char *gps_float_fields[] =
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
2302 {
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2303 "GPSAltitude",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2304 "GPSDOP",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2305 "GPSSpeed",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2306 "GPSTrack",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2307 "GPSImgDirection",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2308 "GPSDestBearing",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2309 "GPSDestDistance",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2310 "GPSHPositioningError",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2311 // Listed as RATIONAL or SRATIONAL with more than 1 count.
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2312 "GPSLatitude",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2313 "GPSLongitude",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2314 "GPSTimeStamp",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2315 "GPSDestLatitude",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2316 "GPSDestLongitude",
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23585
diff changeset
2317 nullptr
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2318 };
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2319 static const string_vector gps_float (gps_float_fields);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2320 static const octave_idx_type n_gps_float = gps_float.numel ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2321 for (octave_idx_type field = 0; field < n_gps_float; field++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2322 fill_exif_floats (gps, cimg, gps_float[field]);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2323
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2324 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2325 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2326 info_frame.setfield ("DigitalCamera", octave_value (camera));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2327 info_frame.setfield ("GPSInfo", octave_value (gps));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2328 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2329
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2330 info.fast_elem_insert (frame, info_frame);
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17335
diff changeset
2331 }
17359
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2332
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2333 if (format == "GIF")
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2334 {
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2335 static std::map<octave_idx_type, std::string> disposal_methods
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2336 = init_disposal_methods ();
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2337 string_vector methods (nFrames);
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2338 for (octave_idx_type frame = 0; frame < nFrames; frame++)
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2339 methods[frame] = disposal_methods[imvec[frame].gifDisposeMethod ()];
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2340 info.setfield ("DisposalMethod", Cell (methods));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2341 }
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2342 else
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2343 info.setfield ("DisposalMethod",
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2344 Cell (dim_vector (nFrames, 1), octave_value ("")));
cf5d41cc3695 Expand imfinfo to read Exif tags and GPS information.
Carnë Draug <carandraug@octave.org>
parents: 17351
diff changeset
2345
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2346 return ovl (info);
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2347
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2348 #else
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2349
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2350 octave_unused_parameter (args);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2351
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 21033
diff changeset
2352 err_disabled_feature ("imfinfo", "Image IO");
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2353
8144
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
2354 #endif
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
2355 }
01fac748b680 Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
parents: 8090
diff changeset
2356
12805
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
2357 /*
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
2358 ## No test needed for internal helper function.
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
2359 %!assert (1)
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
2360 */
3641167e5b75 codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
parents: 11590
diff changeset
2361
21679
44f7664689f2 make __magick_read__ a built-in function (bug #41699)
John W. Eaton <jwe@octave.org>
parents: 21142
diff changeset
2362 DEFUN (__magick_formats__, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
2363 doc: /* -*- texinfo -*-
30888
32d2b6604a9f doc: Ensure documentation lists output argument when it exists for functions in libinterp/
Rik <rik@octave.org>
parents: 30564
diff changeset
2364 @deftypefn {} {@var{fmt_struct} =} __magick_imformats__ (@var{formats})
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
2365 Fill formats info with GraphicsMagick CoderInfo.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
2366
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
2367 @seealso{imfinfo, imformats, imread, imwrite}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21782
diff changeset
2368 @end deftypefn */)
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2369 {
23584
7ed6b258db91 maint: Deprecate is_map and replace with isstruct.
Rik <rik@octave.org>
parents: 23579
diff changeset
2370 if (args.length () != 1 || ! args(0).isstruct ())
20790
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20729
diff changeset
2371 print_usage ();
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20729
diff changeset
2372
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2373 octave_map formats = args(0).map_value ();
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2374
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
2375 #if defined (HAVE_MAGICK)
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2376
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2377 maybe_initialize_magick ();
21489
ea81c2fdd568 imformats: return empty instead of error if there's no support for image IO.
Carnë Draug <carandraug@octave.org>
parents: 21358
diff changeset
2378
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2379 for (octave_idx_type idx = 0; idx < formats.numel (); idx++)
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2380 {
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2381 try
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2382 {
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2383 octave_scalar_map fmt = formats.checkelem (idx);
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2384 Magick::CoderInfo coder (fmt.getfield ("coder").string_value ());
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2385
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2386 fmt.setfield ("description", octave_value (coder.description ()));
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2387 fmt.setfield ("multipage", coder.isMultiFrame () ? true : false);
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2388 // default for read and write is a function handle. If we can't
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2389 // read or write them, them set it to an empty value
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2390 if (! coder.isReadable ())
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2391 fmt.setfield ("read", Matrix ());
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2392 if (! coder.isWritable ())
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2393 fmt.setfield ("write", Matrix ());
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2394 formats.fast_elem_insert (idx, fmt);
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2395 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28905
diff changeset
2396 catch (const Magick::Exception&)
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2397 {
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21736
diff changeset
2398 // Exception here are missing formats. So we remove the format
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2399 // from the structure and reduce idx.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2400 formats.delete_elements (idx);
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2401 idx--;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2402 }
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2403 }
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2404
21489
ea81c2fdd568 imformats: return empty instead of error if there's no support for image IO.
Carnë Draug <carandraug@octave.org>
parents: 21358
diff changeset
2405 #else
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2406
21489
ea81c2fdd568 imformats: return empty instead of error if there's no support for image IO.
Carnë Draug <carandraug@octave.org>
parents: 21358
diff changeset
2407 formats = octave_map (dim_vector (1, 0), formats.fieldnames ());
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21680
diff changeset
2408
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2409 #endif
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20869
diff changeset
2410
21489
ea81c2fdd568 imformats: return empty instead of error if there's no support for image IO.
Carnë Draug <carandraug@octave.org>
parents: 21358
diff changeset
2411 return ovl (formats);
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2412 }
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2413
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2414 /*
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2415 ## No test needed for internal helper function.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2416 %!assert (1)
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents: 16871
diff changeset
2417 */
29958
32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29931
diff changeset
2418
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30888
diff changeset
2419 OCTAVE_END_NAMESPACE(octave)