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annotate libinterp/dldfcn/__osmesa_print__.cc @ 21200:fcac5dbbf9ed

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maint: Indent #ifdef blocks in libinterp. * builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, 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-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fdm.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-float-conv.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-int-conv.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-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, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc: Indent #ifdef blocks in libinterp.
author Rik <rik@octave.org>
date Fri, 05 Feb 2016 16:29:08 -0800
parents dd6605e1eaea
children 933083fee7ae
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1 /*
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2
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3 Copyright (C) 2015 Andreas Weber <andy.weber.aw@gmail.com>
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 This code is based on Brian Pauls' src/osdemos/osdemo.c
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22 from git://anongit.freedesktop.org/mesa/demos
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23
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24 */
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25
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26 #ifdef 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 "oct-locbuf.h"
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31 #include "unwind-prot.h"
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33 #include "defun-dld.h"
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34 #include "errwarn.h"
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35 #include "gl-render.h"
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36 #include "gl2ps-print.h"
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37 #include "graphics.h"
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38 #include "oct-opengl.h"
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40 #if defined (HAVE_OSMESA_H)
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41 # include "osmesa.h"
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42 #elif defined (HAVE_GL_OSMESA_H)
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43 # include "GL/osmesa.h"
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44 #endif
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46 #if defined (HAVE_OSMESA) && defined (HAVE_OPENGL)
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47
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48 static void
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49 reset_visibility (figure::properties *fp)
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50 {
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51 fp->set_visible ("on");
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52 }
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54 #endif
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55
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56 DEFUN_DLD(__osmesa_print__, args, ,
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57 "-*- texinfo -*-\n\
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58 @deftypefn {} {} __osmesa_print__ (@var{h}, @var{file}, @var{term})\n\
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59 @deftypefnx {} {@var{img} =} __osmesa_print__ (@var{h})\n\
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60 Print figure @var{h} using OSMesa and gl2ps for vector formats.\n\
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61 \n\
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62 This is a private internal function.\n\
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63 \n\
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64 The first method calls gl2ps with the appropriate @var{term} and writes\n\
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65 the output of gl2ps to @var{file}. If the first character of @var{file}\n\
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66 is @qcode{|}, then a process is started and the output of gl2ps is piped\n\
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67 to it.\n\
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68 \n\
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69 Valid options for @var{term}, which can be concatenated in one string, are:\n\
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70 \n\
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71 @table @asis\n\
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72 @item @qcode{eps}, @qcode{pdf}, @qcode{ps}, @qcode{svg}, @qcode{pgf}, @qcode{tex}\n\
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73 Select output format.\n\
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74 \n\
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75 @item @qcode{is2D}\n\
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76 Use GL2PS_SIMPLE_SORT instead of GL2PS_BSP_SORT as Z-depth sorting algorithm.\n\
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77 \n\
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78 @item @qcode{notext}\n\
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79 Don't render text.\n\
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80 @end table\n\
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81 \n\
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82 The second method doesn't use gl2ps and returns a RGB image in @var{img}\n\
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83 instead.\n\
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84 \n\
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85 @end deftypefn")
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86 {
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87 #ifndef HAVE_OSMESA
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88 err_disabled_feature ("__osmesa_print__", "offscreen rendering with OSMesa");
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89 #else
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90 int nargin = args.length ();
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91
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92 if (nargin != 1 && nargin != 3)
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93 print_usage ();
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94
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95 if (nargin == 3)
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96 {
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97 if (! (args(1).is_string () && args(2).is_string ()))
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98 error ("__osmesa_print__: FILE and TERM must be strings");
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99 }
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100
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101 octave_value_list retval;
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102
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103 int h = args(0).double_value ();
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104 graphics_object fobj = gh_manager::get_object (h);
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105 if (! (fobj && fobj.isa ("figure")))
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106 error ("__osmesa_print__: H must be a valid figure handle");
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107
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108 figure::properties& fp =
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109 dynamic_cast<figure::properties&> (fobj.get_properties ());
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110
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111 bool internal = true;
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112 Matrix bb = fp.get_boundingbox (internal);
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113
19922
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114 GLsizei Width = static_cast<GLsizei> (bb(2));
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115 GLsizei Height = static_cast<GLsizei> (bb(3));
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116
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117 // Create an RGBA-mode context, specify Z=16, stencil=0, accum=0 sizes
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118 OSMesaContext ctx = OSMesaCreateContextExt (OSMESA_RGBA, 16, 0, 0, NULL);
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119 if (! ctx)
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120 error ("__osmesa_print__: OSMesaCreateContext failed!\n");
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121
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122 // Allocate the image buffer
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123 OCTAVE_LOCAL_BUFFER (GLubyte, buffer, 4 * Width * Height);
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124
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125 // Bind the buffer to the context and make it current
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126 if (! OSMesaMakeCurrent (ctx, buffer, GL_UNSIGNED_BYTE, Width, Height))
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127 error ("__osmesa_print__: OSMesaMakeCurrent failed!\n");
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128
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129 // Test for a bug in OSMesa with version < 9.0
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130 //
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131 // Unfortunately the macros OSMESA_MAJOR_VERSION and OSMESA_MINOR_VERSION
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132 // weren't updated between many releases and can't be used for detection.
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133 // (Version 8.0 until 9.1.4 all return MAJOR 6, MINOR 5)
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diff changeset
134 GLint z, s;
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135 glGetIntegerv (GL_DEPTH_BITS, &z);
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136 glGetIntegerv (GL_STENCIL_BITS, &s);
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diff changeset
137 if (z != 16 || s != 0)
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138 error ("__osmesa_print__: Depth and stencil doesn't match,"
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139 " are you sure you are using OSMesa >= 9.0?");
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140
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diff changeset
141 unwind_protect outer_frame;
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142
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143 bool v = fp.is_visible ();
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diff changeset
144
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145 if (v)
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146 {
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147 outer_frame.add_fcn (reset_visibility, &fp);
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148
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149 fp.set_visible ("off");
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150 }
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151
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152 if (nargin == 3)
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153 {
19707
59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180)
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diff changeset
154 std::string file = args(1).string_value ();
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155 std::string term = args(2).string_value ();
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156
21197
9a5bb6996b16 write to pipe or file in gl2ps_print
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parents: 21196
diff changeset
157 gl2ps_print (fobj, file, term);
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158 }
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159 else
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160 {
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161 // return RGB image
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162 opengl_renderer rend;
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163
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164 // Draw and finish () or there may primitives missing in the
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165 // output.
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166 rend.draw (fobj);
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diff changeset
167 rend.finish ();
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168
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169 dim_vector dv (4, Width, Height);
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170
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171 // FIXME: We expect that GLubyte is 1 Byte long.
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172 // Adapt code if this isn't always true
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173 assert (sizeof (GLubyte) == 1);
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174 uint8NDArray img (dv);
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175 unsigned char *p = reinterpret_cast<unsigned char*>(img.fortran_vec ());
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176 memcpy (p, buffer, (4 * Width * Height));
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177
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178 Array<octave_idx_type> perm (dim_vector (3, 1));
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179 perm(0) = 2;
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180 perm(1) = 1;
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181 perm(2) = 0;
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182
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183 Array<idx_vector> idx (dim_vector (3, 1));
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184
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185 // Flip Y
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186 idx(0) = idx_vector::make_range (Height - 1, -1, Height);
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187 idx(1) = idx_vector::colon;
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188
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189 // Remove alpha channel
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190 idx(2) = idx_vector (0, 3);
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191 retval = octave_value (img.permute (perm). index(idx));
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192 }
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193
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194 OSMesaDestroyContext (ctx);
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195
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196 return retval;
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197 #endif
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198 }
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199
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diff changeset
200 /*
19914
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diff changeset
201 ## FIXME: osmesa does not work correctly on Windows platforms.
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202 ## This is not critical, since this facility will mostly be used in
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203 ## the future for generating the images in Octave's own documentation.
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diff changeset
204 ## For the moment, disable these tests on PC's and Macs.
20096
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parents: 20048
diff changeset
205 %!testif HAVE_OSMESA, HAVE_GL2PS_H
19914
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diff changeset
206 %! if (isunix ())
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diff changeset
207 %! h = figure ("visible", "off");
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diff changeset
208 %! fn = tempname ();
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diff changeset
209 %! sombrero ();
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diff changeset
210 %! __osmesa_print__ (h, fn, "svg");
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diff changeset
211 %! assert (stat (fn).size, 2692270, -0.1);
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diff changeset
212 %! unlink (fn);
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diff changeset
213 %! img = __osmesa_print__ (h);
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diff changeset
214 %! assert (size (img), [get(h, "position")([4, 3]), 3])
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
215 %! ## Use pixel sum per RGB channel as fingerprint
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
216 %! img_fp = squeeze (sum (sum (img), 2));
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
217 %! assert (img_fp, [52942515; 54167797; 56158178], -0.05);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
218 %! endif
19703
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL
Andreas Weber <andy.weber.aw@gmail.com>
parents:
diff changeset
219
20096
bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 20048
diff changeset
220 %!testif HAVE_OSMESA, HAVE_GL2PS_H
19914
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
221 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
222 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
223 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
224 %! plot (sin (0:0.1:2*pi));
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
225 %! __osmesa_print__ (h, fn, "svgis2d");
20048
f1b67f6e6e45 __osmesa_print__.cc: Increase non-critical relative tolerance in BIST test.
Rik <rik@octave.org>
parents: 19922
diff changeset
226 %! assert (stat (fn).size, 7438, -0.1);
19914
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
227 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
228 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
229 %! assert (size (img), [get(h, "position")([4, 3]), 3])
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
230 %! ## Use pixel sum per RGB channel as fingerprint
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
231 %! img_fp = squeeze (sum (sum (img), 2));
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
232 %! assert (img_fp, [59281711; 59281711; 59482179], -0.05);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338).
Rik <rik@octave.org>
parents: 19884
diff changeset
233 %! endif
19703
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL
Andreas Weber <andy.weber.aw@gmail.com>
parents:
diff changeset
234 */