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annotate libinterp/dldfcn/__osmesa_print__.cc @ 21100:e39e05d90788

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Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. * libinterp/corefcn/errwarn.h, libinterp/corefcn/errwarn.cc: New header and .cc file with common errors and warnings for libinterp. * libinterp/corefcn/module.mk: Add errwarn.h, errwarn.cc to build system. * liboctave/util/lo-array-errwarn.h, liboctave/util/lo-array-errwarn.cc: New header and .cc file with common errors and warnings for liboctave. * liboctave/util/module.mk: Add lo-array-errwarn.h, lo-array-errwarn.cc to build system. * lo-array-gripes.h: #include "lo-array-errwarn.h" for access to class index_exception. Remove const char *error_id_XXX prototypes. * lo-array-gripes.cc: Remove const char *error_id_XXX initializations. Remove index_exception method definitions. * Cell.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, betainc.cc, cellfun.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, det.cc, dirfns.cc, eig.cc, fft.cc, fft2.cc, fftn.cc, find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, graphics.in.h, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-typeinfo.cc, load-save.cc, lookup.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, lsode.cc, lu.cc, luinc.cc, max.cc, mgorth.cc, oct-hist.cc, oct-procbuf.cc, oct-stream.cc, oct.h, pager.cc, pinv.cc, pr-output.cc, quad.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.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, syscalls.cc, typecast.cc, utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, __eigs__.cc, __glpk__.cc, __magick_read__.cc, __osmesa_print__.cc, audiodevinfo.cc, audioread.cc, chol.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.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-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-mex-fcn.cc, ov-perm.cc, ov-range.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-struct.cc, ov-type-conv.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov.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-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-int.h, 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-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, lex.ll, pt-assign.cc, pt-eval.cc, pt-idx.cc, pt-loop.cc, pt-mat.cc, pt-stmt.cc, Array-util.cc, Array-util.h, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MDiagArray2.cc, MSparse.cc, PermMatrix.cc, Range.cc, Sparse.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, CmplxGEPBAL.cc, dbleGEPBAL.cc, fCmplxGEPBAL.cc, floatGEPBAL.cc, Sparse-diag-op-defs.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-inlines.cc, mx-op-defs.h, oct-binmap.h: Replace 'include "gripes.h"' with 'include "errwarn.h". Change all gripe_XXX to err_XXX or warn_XXX or errwarn_XXX.
author Rik <rik@octave.org>
date Mon, 18 Jan 2016 18:28:06 -0800
parents 83ce7b8fb91c
children bd1752782e56
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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 "gl-render.h"
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35 #include "gl2ps-renderer.h"
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36 #include "graphics.h"
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37 #include "errwarn.h"
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38
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39 #if defined (HAVE_OSMESA_H)
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40 #include "osmesa.h"
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41 #elif defined (HAVE_GL_OSMESA_H)
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42 #include "GL/osmesa.h"
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43 #endif
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45 #if defined (HAVE_OSMESA) && defined (HAVE_OPENGL)
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46 static void
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47 close_fcn (FILE *f)
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48 {
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49 gnulib::fclose (f);
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50 }
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51
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52 static void
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53 reset_visibility (figure::properties *fp)
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54 {
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55 fp->set_visible ("on");
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56 }
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57 #endif
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58
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59 DEFUN_DLD(__osmesa_print__, args, ,
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60 "-*- texinfo -*-\n\
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61 @deftypefn {} {} __osmesa_print__ (@var{h}, @var{file}, @var{term})\n\
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62 @deftypefnx {} {@var{img} =} __osmesa_print__ (@var{h})\n\
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63 Print figure @var{h} using OSMesa and gl2ps for vector formats.\n\
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64 \n\
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65 This is a private internal function.\n\
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66 \n\
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67 The first method calls gl2ps with the appropriate @var{term} and writes\n\
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68 the output of gl2ps to @var{file}. If the first character of @var{file}\n\
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69 is @qcode{|}, then a process is started and the output of gl2ps is piped\n\
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70 to it.\n\
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71 \n\
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72 Valid options for @var{term}, which can be concatenated in one string, are:\n\
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73 \n\
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74 @table @asis\n\
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75 @item @qcode{eps}, @qcode{pdf}, @qcode{ps}, @qcode{svg}, @qcode{pgf}, @qcode{tex}\n\
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76 Select output format.\n\
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77 \n\
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78 @item @qcode{is2D}\n\
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79 Use GL2PS_SIMPLE_SORT instead of GL2PS_BSP_SORT as Z-depth sorting algorithm.\n\
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80 \n\
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81 @item @qcode{notext}\n\
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82 Don't render text.\n\
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83 @end table\n\
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84 \n\
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85 The second method doesn't use gl2ps and returns a RGB image in @var{img}\n\
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86 instead.\n\
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87 \n\
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88 @end deftypefn")
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89 {
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90 #if ! defined (HAVE_OSMESA)
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91 err_disabled_feature ("__osmesa_print__", "offscreen rendering");
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92 #else
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93 int nargin = args.length ();
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94
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Rik <rik@octave.org>
parents: 20790
diff changeset
95 if (nargin != 1 && nargin != 3)
20790
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parents: 20555
diff changeset
96 print_usage ();
19703
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97
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98 if (nargin == 3)
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99 {
19763
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diff changeset
100 if (! (args(1).is_string () && args(2).is_string ()))
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101 error ("__osmesa_print__: FILE and TERM must be strings");
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102
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diff changeset
103 #ifndef HAVE_GL2PS_H
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19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
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104 error ("__osmesa_print__: Octave has been compiled without gl2ps");
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105 #endif
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106 }
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107
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108 octave_value_list retval;
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109
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110 int h = args(0).double_value ();
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111 graphics_object fobj = gh_manager::get_object (h);
19763
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112 if (! (fobj && fobj.isa ("figure")))
20825
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113 error ("__osmesa_print__: H must be a valid figure handle");
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114
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115 figure::properties& fp =
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116 dynamic_cast<figure::properties&> (fobj.get_properties ());
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117
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118 bool internal = true;
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119 Matrix bb = fp.get_boundingbox (internal);
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120
19922
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Rik <rik@octave.org>
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121 GLsizei Width = static_cast<GLsizei> (bb(2));
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122 GLsizei Height = static_cast<GLsizei> (bb(3));
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123
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124 // Create an RGBA-mode context, specify Z=16, stencil=0, accum=0 sizes
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125 OSMesaContext ctx = OSMesaCreateContextExt (OSMESA_RGBA, 16, 0, 0, NULL);
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126 if (! ctx)
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127 error ("__osmesa_print__: OSMesaCreateContext failed!\n");
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128
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129 // Allocate the image buffer
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130 OCTAVE_LOCAL_BUFFER (GLubyte, buffer, 4 * Width * Height);
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131
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132 // Bind the buffer to the context and make it current
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133 if (! OSMesaMakeCurrent (ctx, buffer, GL_UNSIGNED_BYTE, Width, Height))
20825
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134 error ("__osmesa_print__: OSMesaMakeCurrent failed!\n");
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135
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136 // Test for a bug in OSMesa with version < 9.0
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137 //
19917
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parents: 19914
diff changeset
138 // Unfortunately the macros OSMESA_MAJOR_VERSION and OSMESA_MINOR_VERSION
f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype.
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parents: 19914
diff changeset
139 // weren't updated between many releases and can't be used for detection.
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diff changeset
140 // (Version 8.0 until 9.1.4 all return MAJOR 6, MINOR 5)
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parents: 19914
diff changeset
141 GLint z, s;
19703
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142 glGetIntegerv (GL_DEPTH_BITS, &z);
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143 glGetIntegerv (GL_STENCIL_BITS, &s);
19763
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diff changeset
144 if (z != 16 || s != 0)
19703
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145 error ("__osmesa_print__: Depth and stencil doesn't match,"
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diff changeset
146 " are you sure you are using OSMesa >= 9.0?");
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147
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diff changeset
148 unwind_protect outer_frame;
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diff changeset
149
19703
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150 bool v = fp.is_visible ();
19763
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diff changeset
151
19703
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152 if (v)
19763
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diff changeset
153 {
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diff changeset
154 outer_frame.add_fcn (reset_visibility, &fp);
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diff changeset
155
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diff changeset
156 fp.set_visible ("off");
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diff changeset
157 }
19703
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158
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159 if (nargin == 3)
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160 {
19707
59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180)
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parents: 19703
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161 // use gl2ps
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parents: 20048
diff changeset
162 #ifndef HAVE_GL2PS_H
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 21084
diff changeset
163 err_disabled_feature ("__osmesa_print__", "gl2ps");
20096
bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870)
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parents: 20048
diff changeset
164 #else
19707
59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180)
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parents: 19703
diff changeset
165 std::string file = args(1).string_value ();
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parents: 19703
diff changeset
166 std::string term = args(2).string_value ();
19703
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167
20555
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parents: 20096
diff changeset
168 size_t pos_p = file.find_first_of ("|");
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John W. Eaton <jwe@octave.org>
parents: 20096
diff changeset
169 size_t pos_c = file.find_first_not_of ("| ");
19884
e814e202cd84 Account for whitespace and other anomalies in print function pipe/file string.
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 19874
diff changeset
170
20555
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diff changeset
171 if (pos_p == std::string::npos && pos_c == std::string::npos)
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diff changeset
172 error ("__osmesa_print__: empty output ''");
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diff changeset
173 else if (pos_c == std::string::npos)
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diff changeset
174 error ("__osmesa_print__: empty pipe '|'");
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diff changeset
175 else if (pos_p != std::string::npos && pos_p < pos_c)
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diff changeset
176 {
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diff changeset
177 // create process and pipe gl2ps output to it
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diff changeset
178 std::string cmd = file.substr (pos_c);
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diff changeset
179 gl2ps_print (fobj, cmd, term);
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diff changeset
180 }
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diff changeset
181 else
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John W. Eaton <jwe@octave.org>
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diff changeset
182 {
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diff changeset
183 // write gl2ps output directly to file
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diff changeset
184 FILE *filep = gnulib::fopen (file.substr (pos_c).c_str (), "w");
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diff changeset
185
20939
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parents: 20853
diff changeset
186 if (! filep)
b17fda023ca6 maint: Use new C++ archetype in more files.
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187 error ("__osmesa_print__: Couldn't create file \"%s\"", file.c_str ());
20555
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diff changeset
188
20939
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diff changeset
189 unwind_protect frame;
20555
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diff changeset
190
20939
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diff changeset
191 frame.add_fcn (close_fcn, filep);
20555
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parents: 20096
diff changeset
192
21084
83ce7b8fb91c maint: rename glps_renderer class to gl2ps_renderer to match filename.
Rik <rik@octave.org>
parents: 20939
diff changeset
193 gl2ps_renderer rend (filep, term);
20939
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diff changeset
194 rend.draw (fobj, "");
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195
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196 // Make sure buffered commands are finished!!!
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197 glFinish ();
19703
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198 }
20096
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diff changeset
199 #endif
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200 }
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201 else
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202 {
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203 // return RGB image
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204 opengl_renderer rend;
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diff changeset
205 rend.draw (fobj);
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parents:
diff changeset
206
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207 // Make sure buffered commands are finished!!!
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208 glFinish ();
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209
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diff changeset
210 dim_vector dv (4, Width, Height);
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parents:
diff changeset
211
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parents:
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212 // FIXME: We expect that GLubyte is 1 Byte long.
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213 // Adapt code if this isn't always true
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parents:
diff changeset
214 assert (sizeof (GLubyte) == 1);
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diff changeset
215 uint8NDArray img (dv);
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parents:
diff changeset
216 unsigned char *p = reinterpret_cast<unsigned char*>(img.fortran_vec ());
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diff changeset
217 memcpy (p, buffer, (4 * Width * Height));
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diff changeset
218
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parents:
diff changeset
219 Array<octave_idx_type> perm (dim_vector (3, 1));
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parents:
diff changeset
220 perm(0) = 2;
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221 perm(1) = 1;
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222 perm(2) = 0;
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223
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224 Array<idx_vector> idx (dim_vector (3, 1));
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225
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226 // Flip Y
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227 idx(0) = idx_vector::make_range (Height - 1, -1, Height);
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228 idx(1) = idx_vector::colon;
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229
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230 // Remove alpha channel
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231 idx(2) = idx_vector (0, 3);
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232 retval = octave_value (img.permute (perm). index(idx));
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233 }
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234
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235 OSMesaDestroyContext (ctx);
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236
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237 return retval;
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238 #endif
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239 }
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240
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241 /*
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242 ## FIXME: osmesa does not work correctly on Windows platforms.
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243 ## This is not critical, since this facility will mostly be used in
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244 ## the future for generating the images in Octave's own documentation.
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245 ## For the moment, disable these tests on PC's and Macs.
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246 %!testif HAVE_OSMESA, HAVE_GL2PS_H
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247 %! if (isunix ())
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248 %! h = figure ("visible", "off");
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249 %! fn = tempname ();
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250 %! sombrero ();
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251 %! __osmesa_print__ (h, fn, "svg");
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252 %! assert (stat (fn).size, 2692270, -0.1);
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253 %! unlink (fn);
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254 %! img = __osmesa_print__ (h);
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255 %! assert (size (img), [get(h, "position")([4, 3]), 3])
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256 %! ## Use pixel sum per RGB channel as fingerprint
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257 %! img_fp = squeeze (sum (sum (img), 2));
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258 %! assert (img_fp, [52942515; 54167797; 56158178], -0.05);
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259 %! endif
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260
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261 %!testif HAVE_OSMESA, HAVE_GL2PS_H
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262 %! if (isunix ())
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263 %! h = figure ("visible", "off");
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264 %! fn = tempname ();
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265 %! plot (sin (0:0.1:2*pi));
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266 %! __osmesa_print__ (h, fn, "svgis2d");
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267 %! assert (stat (fn).size, 7438, -0.1);
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268 %! unlink (fn);
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269 %! img = __osmesa_print__ (h);
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270 %! assert (size (img), [get(h, "position")([4, 3]), 3])
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271 %! ## Use pixel sum per RGB channel as fingerprint
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272 %! img_fp = squeeze (sum (sum (img), 2));
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273 %! assert (img_fp, [59281711; 59281711; 59482179], -0.05);
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274 %! endif
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275 */