octave: libinterp/dldfcn/__osmesa_print_

annotate libinterp/dldfcn/__osmesa_print__.cc @ 20939:b17fda023ca6

maint: Use new C++ archetype in more files. Place input validation first in files. Move declaration of retval down in function to be closer to point of usage. Eliminate else clause after if () error. Use "return ovl()" where it makes sense. * find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc, graphics.cc, help.cc, hess.cc, hex2num.cc, input.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc, mappers.cc, matrix_type.cc, mgorth.cc, nproc.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, profiler.cc, psi.cc, quad.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sparse.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, __delaunayn__.cc, __eigs__.cc, __glpk__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, chol.cc, colamd.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-flt-re-mat.cc, ov-java.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-re-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-usr-fcn.cc, ov.cc, octave.cc: Use new C++ archetype in more files.

author	Rik <rik@octave.org>
date	Fri, 18 Dec 2015 15:37:22 -0800
parents	1142cf6abc0d
children	83ce7b8fb91c

rev	line source
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	1 /*
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	2
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	3 Copyright (C) 2015 Andreas Weber <andy.weber.aw@gmail.com>
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	4
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	5 This file is part of Octave.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	6
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	10 option) any later version.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	11
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	15 for more details.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	16
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	17 You should have received a copy of the GNU General Public License
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	20
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	21 This code is based on Brian Pauls' src/osdemos/osdemo.c
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	22 from git://anongit.freedesktop.org/mesa/demos
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	23
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	24 */
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	25
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	26 #ifdef HAVE_CONFIG_H
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	27 #include <config.h>
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	28 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	29
19709 5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	30 #include "oct-locbuf.h"
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	31 #include "unwind-prot.h"
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	32
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	33 #include "defun-dld.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	34 #include "gl-render.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	35 #include "gl2ps-renderer.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	36 #include "graphics.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	37 #include "gripes.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	38
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	39 #if defined (HAVE_OSMESA_H)
bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	40 #include "osmesa.h"
bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	41 #elif defined (HAVE_GL_OSMESA_H)
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	42 #include "GL/osmesa.h"
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	43 #endif
19709 5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	44
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	45 #if defined (HAVE_OSMESA) && defined (HAVE_OPENGL)
19709 5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	46 static void
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	47 close_fcn (FILE *f)
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	48 {
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	49 gnulib::fclose (f);
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	50 }
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	51
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	52 static void
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	53 reset_visibility (figure::properties *fp)
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	54 {
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	55 fp->set_visible ("on");
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	56 }
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	57 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	58
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	59 DEFUN_DLD(__osmesa_print__, args, ,
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	60 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20825 diff changeset	61 @deftypefn {} {} __osmesa_print__ (@var{h}, @var{file}, @var{term})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20825 diff changeset	62 @deftypefnx {} {@var{img} =} __osmesa_print__ (@var{h})\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	63 Print figure @var{h} using OSMesa and gl2ps for vector formats.\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	64 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	65 This is a private internal function.\n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	66 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	67 The first method calls gl2ps with the appropriate @var{term} and writes\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	68 the output of gl2ps to @var{file}. If the first character of @var{file}\n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	69 is @qcode{\|}, then a process is started and the output of gl2ps is piped\n\
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	70 to it.\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	71 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	72 Valid options for @var{term}, which can be concatenated in one string, are:\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	73 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	74 @table @asis\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	75 @item @qcode{eps}, @qcode{pdf}, @qcode{ps}, @qcode{svg}, @qcode{pgf}, @qcode{tex}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	76 Select output format.\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	77 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	78 @item @qcode{is2D}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	79 Use GL2PS_SIMPLE_SORT instead of GL2PS_BSP_SORT as Z-depth sorting algorithm.\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	80 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	81 @item @qcode{notext}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	82 Don't render text.\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	83 @end table\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	84 \n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	85 The second method doesn't use gl2ps and returns a RGB image in @var{img}\n\
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	86 instead.\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	87 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	88 @end deftypefn")
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	89 {
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	90 #if ! defined (HAVE_OSMESA)
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	91 gripe_disabled_feature ("__osmesa_print__", "offscreen rendering");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	92 #else
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	93 int nargin = args.length ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	94
20812 d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20790 diff changeset	95 if (nargin != 1 && nargin != 3)
20790 c2d9556d51d0 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20555 diff changeset	96 print_usage ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	97
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	98 if (nargin == 3)
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	99 {
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	100 if (! (args(1).is_string () && args(2).is_string ()))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	101 error ("__osmesa_print__: FILE and TERM must be strings");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	102
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	103 #ifndef HAVE_GL2PS_H
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19795 diff changeset	104 error ("__osmesa_print__: Octave has been compiled without gl2ps");
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	105 #endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	106 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	107
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	108 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	109
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	110 int h = args(0).double_value ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	111 graphics_object fobj = gh_manager::get_object (h);
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	112 if (! (fobj && fobj.isa ("figure")))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	113 error ("__osmesa_print__: H must be a valid figure handle");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	114
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	115 figure::properties& fp =
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	116 dynamic_cast<figure::properties&> (fobj.get_properties ());
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	117
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	118 bool internal = true;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	119 Matrix bb = fp.get_boundingbox (internal);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	120
19922 a0ec61ec0f73 __osmesa_print__.cc: Use GLsizei in call to OSMesaCreateContextExt to match prototype. Rik <rik@octave.org> parents: 19917 diff changeset	121 GLsizei Width = static_cast<GLsizei> (bb(2));
a0ec61ec0f73 __osmesa_print__.cc: Use GLsizei in call to OSMesaCreateContextExt to match prototype. Rik <rik@octave.org> parents: 19917 diff changeset	122 GLsizei Height = static_cast<GLsizei> (bb(3));
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	123
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	124 // Create an RGBA-mode context, specify Z=16, stencil=0, accum=0 sizes
19710 ce0a1bd0cd47 fix omission from changeset 1170c849952b John W. Eaton <jwe@octave.org> parents: 19709 diff changeset	125 OSMesaContext ctx = OSMesaCreateContextExt (OSMESA_RGBA, 16, 0, 0, NULL);
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	126 if (! ctx)
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	127 error ("__osmesa_print__: OSMesaCreateContext failed!\n");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	128
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	129 // Allocate the image buffer
19710 ce0a1bd0cd47 fix omission from changeset 1170c849952b John W. Eaton <jwe@octave.org> parents: 19709 diff changeset	130 OCTAVE_LOCAL_BUFFER (GLubyte, buffer, 4 * Width * Height);
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	131
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	132 // Bind the buffer to the context and make it current
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	133 if (! OSMesaMakeCurrent (ctx, buffer, GL_UNSIGNED_BYTE, Width, Height))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	134 error ("__osmesa_print__: OSMesaMakeCurrent failed!\n");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	135
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	136 // Test for a bug in OSMesa with version < 9.0
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	137 //
19917 f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> 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. Rik <rik@octave.org> parents: 19914 diff changeset	139 // weren't updated between many releases and can't be used for detection.
f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	140 // (Version 8.0 until 9.1.4 all return MAJOR 6, MINOR 5)
f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	141 GLint z, s;
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	142 glGetIntegerv (GL_DEPTH_BITS, &z);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	143 glGetIntegerv (GL_STENCIL_BITS, &s);
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	144 if (z != 16 \|\| s != 0)
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	145 error ("__osmesa_print__: Depth and stencil doesn't match,"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	146 " are you sure you are using OSMesa >= 9.0?");
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	147
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	148 unwind_protect outer_frame;
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	149
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	150 bool v = fp.is_visible ();
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	151
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	152 if (v)
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	153 {
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	154 outer_frame.add_fcn (reset_visibility, &fp);
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	155
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	156 fp.set_visible ("off");
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	157 }
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	158
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	159 if (nargin == 3)
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	160 {
19707 59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	161 // use gl2ps
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	162 #ifndef HAVE_GL2PS_H
bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	163 gripe_disabled_feature ("__osmesa_print__", "gl2ps");
bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	164 #else
19707 59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	165 std::string file = args(1).string_value ();
59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	166 std::string term = args(2).string_value ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	167
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	168 size_t pos_p = file.find_first_of ("\|");
f90c8372b7ba eliminate many more simple uses of error_state 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 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	171 if (pos_p == std::string::npos && pos_c == std::string::npos)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	172 error ("__osmesa_print__: empty output ''");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	173 else if (pos_c == std::string::npos)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	174 error ("__osmesa_print__: empty pipe '\|'");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	175 else if (pos_p != std::string::npos && pos_p < pos_c)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	176 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	177 // create process and pipe gl2ps output to it
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	178 std::string cmd = file.substr (pos_c);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	179 gl2ps_print (fobj, cmd, term);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	180 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	181 else
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	182 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	183 // write gl2ps output directly to file
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	184 FILE *filep = gnulib::fopen (file.substr (pos_c).c_str (), "w");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	185
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	186 if (! filep)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	187 error ("__osmesa_print__: Couldn't create file \"%s\"", file.c_str ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	188
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	189 unwind_protect frame;
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	190
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	191 frame.add_fcn (close_fcn, filep);
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	192
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	193 glps_renderer rend (filep, term);
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	194 rend.draw (fobj, "");
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	195
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	196 // Make sure buffered commands are finished!!!
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	197 glFinish ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	198 }
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	199 #endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	200 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	201 else
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	202 {
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	203 // return RGB image
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	204 opengl_renderer rend;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	205 rend.draw (fobj);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	206
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	207 // Make sure buffered commands are finished!!!
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	208 glFinish ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	209
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	210 dim_vector dv (4, Width, Height);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	211
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	212 // FIXME: We expect that GLubyte is 1 Byte long.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	213 // Adapt code if this isn't always true
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	214 assert (sizeof (GLubyte) == 1);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	215 uint8NDArray img (dv);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	216 unsigned char p = reinterpret_cast<unsigned char>(img.fortran_vec ());
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	217 memcpy (p, buffer, (4 * Width * Height));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	218
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	219 Array<octave_idx_type> perm (dim_vector (3, 1));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	220 perm(0) = 2;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	221 perm(1) = 1;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	222 perm(2) = 0;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	223
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	224 Array<idx_vector> idx (dim_vector (3, 1));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	225
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	226 // Flip Y
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	227 idx(0) = idx_vector::make_range (Height - 1, -1, Height);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	228 idx(1) = idx_vector::colon;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	229
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	230 // Remove alpha channel
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	231 idx(2) = idx_vector (0, 3);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	232 retval = octave_value (img.permute (perm). index(idx));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	233 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	234
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	235 OSMesaDestroyContext (ctx);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	236
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	237 return retval;
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	238 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	239 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	240
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	241 /*
19914 d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	242 ## FIXME: osmesa does not work correctly on Windows platforms.
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	243 ## This is not critical, since this facility will mostly be used in
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	244 ## the future for generating the images in Octave's own documentation.
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	245 ## For the moment, disable these tests on PC's and Macs.
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	246 %!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	247 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	248 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	249 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	250 %! sombrero ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	251 %! __osmesa_print__ (h, fn, "svg");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	252 %! assert (stat (fn).size, 2692270, -0.1);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	253 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	254 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	255 %! 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	256 %! ## 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	257 %! 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	258 %! 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	259 %! endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	260
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	261 %!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	262 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	263 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	264 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	265 %! 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	266 %! __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	267 %! 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	268 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	269 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	270 %! 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	271 %! ## 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	272 %! 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	273 %! 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	274 %! endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	275 */

Mercurial > octave

annotate libinterp/dldfcn/__osmesa_print__.cc @ 20939:b17fda023ca6