Mercurial > octave-nkf
view libinterp/dldfcn/__osmesa_print__.cc @ 20267:a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
* liboctave/array/Array.h (Array::length): deprecate for ::numel.
* liboctave/array/Sparse.h (Sparse::length): deprecate for ::numel.
* libgui/graphics/QtHandlesUtils.cc, libgui/src/octave-qt-link.cc,
libinterp/corefcn/Cell.cc, libinterp/corefcn/__contourc__.cc,
libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc,
libinterp/corefcn/cellfun.cc, libinterp/corefcn/daspk.cc,
libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc,
libinterp/corefcn/data.cc, libinterp/corefcn/filter.cc,
libinterp/corefcn/find.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/gl-render.h, libinterp/corefcn/graphics.cc,
libinterp/corefcn/graphics.in.h, libinterp/corefcn/help.cc,
libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc,
libinterp/corefcn/load-path.cc, libinterp/corefcn/load-save.cc,
libinterp/corefcn/ls-oct-ascii.h, libinterp/corefcn/lsode.cc,
libinterp/corefcn/matrix_type.cc, libinterp/corefcn/oct-hist.cc,
libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-map.h,
libinterp/corefcn/oct-obj.h, libinterp/corefcn/oct-stream.cc,
libinterp/corefcn/oct-stream.h, libinterp/corefcn/pr-output.cc,
libinterp/corefcn/quadcc.cc, libinterp/corefcn/rand.cc,
libinterp/corefcn/regexp.cc, libinterp/corefcn/strfns.cc,
libinterp/corefcn/sub2ind.cc, libinterp/corefcn/symtab.h,
libinterp/corefcn/syscalls.cc, libinterp/corefcn/tsearch.cc,
libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc,
libinterp/corefcn/variables.cc, libinterp/corefcn/xdiv.cc,
libinterp/corefcn/xpow.cc, libinterp/dldfcn/__glpk__.cc,
libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__magick_read__.cc,
libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/ccolamd.cc,
libinterp/dldfcn/colamd.cc, libinterp/octave-value/ov-cell.cc,
libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-class.h,
libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc,
libinterp/octave-value/ov-perm.cc, libinterp/octave-value/ov-struct.cc,
libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov.cc,
libinterp/operators/op-int.h, libinterp/parse-tree/pt-pr-code.cc,
liboctave/array/Array-util.cc, liboctave/array/Array.cc,
liboctave/array/CColVector.cc, liboctave/array/CDiagMatrix.cc,
liboctave/array/CMatrix.cc, liboctave/array/CRowVector.cc,
liboctave/array/DiagArray2.cc, liboctave/array/DiagArray2.h,
liboctave/array/MArray.cc, liboctave/array/PermMatrix.cc,
liboctave/array/PermMatrix.h, liboctave/array/Sparse.cc,
liboctave/array/boolMatrix.cc, liboctave/array/chMatrix.cc,
liboctave/array/chNDArray.cc, liboctave/array/dColVector.cc,
liboctave/array/dDiagMatrix.cc, liboctave/array/dMatrix.cc,
liboctave/array/dRowVector.cc, liboctave/array/fCColVector.cc,
liboctave/array/fCDiagMatrix.cc, liboctave/array/fCMatrix.cc,
liboctave/array/fCRowVector.cc, liboctave/array/fColVector.cc,
liboctave/array/fDiagMatrix.cc, liboctave/array/fMatrix.cc,
liboctave/array/fRowVector.cc, liboctave/array/idx-vector.cc,
liboctave/array/intNDArray.cc, liboctave/numeric/CmplxCHOL.cc,
liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxQR.cc,
liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc,
liboctave/numeric/DASSL.cc, liboctave/numeric/LSODE.cc,
liboctave/numeric/ODES.cc, liboctave/numeric/ODES.h,
liboctave/numeric/base-dae.h, liboctave/numeric/base-lu.cc,
liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleLU.cc,
liboctave/numeric/dbleQR.cc, liboctave/numeric/eigs-base.cc,
liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxLU.cc,
liboctave/numeric/fCmplxQR.cc, liboctave/numeric/floatCHOL.cc,
liboctave/numeric/floatLU.cc, liboctave/numeric/floatQR.cc,
liboctave/numeric/lo-specfun.cc, liboctave/numeric/oct-rand.cc,
liboctave/numeric/oct-spparms.cc, liboctave/numeric/sparse-base-chol.cc,
liboctave/operators/mx-inlines.cc, liboctave/system/file-ops.cc,
liboctave/util/glob-match.h, liboctave/util/kpse.cc,
liboctave/util/lo-regexp.cc, liboctave/util/oct-glob.cc,
liboctave/util/pathsearch.cc, liboctave/util/str-vec.cc,
liboctave/util/str-vec.h, liboctave/util/url-transfer.cc: replace all usage
of Array::length() and Sparse::length() with ::numel().
author | Carnë Draug <carandraug@octave.org> |
---|---|
date | Sat, 30 May 2015 03:14:07 +0100 |
parents | bb59bdbdb8ac |
children | f90c8372b7ba |
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/* Copyright (C) 2015 Andreas Weber <andy.weber.aw@gmail.com> This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. This code is based on Brian Pauls' src/osdemos/osdemo.c from git://anongit.freedesktop.org/mesa/demos */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "oct-locbuf.h" #include "unwind-prot.h" #include "defun-dld.h" #include "gl-render.h" #include "gl2ps-renderer.h" #include "graphics.h" #include "gripes.h" #if defined (HAVE_OSMESA_H) #include "osmesa.h" #elif defined (HAVE_GL_OSMESA_H) #include "GL/osmesa.h" #endif #if defined (HAVE_OSMESA) && defined (HAVE_OPENGL) static void close_fcn (FILE *f) { gnulib::fclose (f); } static void reset_visibility (figure::properties *fp) { fp->set_visible ("on"); } #endif DEFUN_DLD(__osmesa_print__, args, , "-*- texinfo -*-\n\ @deftypefn {Loadable Function} {} __osmesa_print__ (@var{h}, @var{file}, @var{term})\n\ @deftypefnx {Loadable Function} {@var{img} =} __osmesa_print__ (@var{h})\n\ Print figure @var{h} using OSMesa and gl2ps for vector formats.\n\ \n\ This is a private internal function.\n\ \n\ The first method calls gl2ps with the appropriate @var{term} and writes\n\ the output of gl2ps to @var{file}. If the first character of @var{file}\n\ is @qcode{|}, then a process is started and the output of gl2ps is piped\n\ to it.\n\ \n\ Valid options for @var{term}, which can be concatenated in one string, are:\n\ \n\ @table @asis\n\ @item @qcode{eps}, @qcode{pdf}, @qcode{ps}, @qcode{svg}, @qcode{pgf}, @qcode{tex}\n\ Select output format.\n\ \n\ @item @qcode{is2D}\n\ Use GL2PS_SIMPLE_SORT instead of GL2PS_BSP_SORT as Z-depth sorting algorithm.\n\ \n\ @item @qcode{notext}\n\ Don't render text.\n\ @end table\n\ \n\ The second method doesn't use gl2ps and returns a RGB image in @var{img}\n\ instead.\n\ \n\ @end deftypefn") { octave_value_list retval; #if ! defined (HAVE_OSMESA) gripe_disabled_feature ("__osmesa_print__", "offscreen rendering"); #else int nargin = args.length (); if (! (nargin == 1 || nargin == 3)) { print_usage (); return retval; } if (nargin == 3) { if (! (args(1).is_string () && args(2).is_string ())) { error ("__osmesa_print__: FILE and TERM must be strings"); return retval; } #ifndef HAVE_GL2PS_H error ("__osmesa_print__: Octave has been compiled without gl2ps"); return retval; #endif } int h = args(0).double_value (); graphics_object fobj = gh_manager::get_object (h); if (! (fobj && fobj.isa ("figure"))) { error ("__osmesa_print__: H must be a valid figure handle"); return retval; } figure::properties& fp = dynamic_cast<figure::properties&> (fobj.get_properties ()); bool internal = true; Matrix bb = fp.get_boundingbox (internal); GLsizei Width = static_cast<GLsizei> (bb(2)); GLsizei Height = static_cast<GLsizei> (bb(3)); // Create an RGBA-mode context, specify Z=16, stencil=0, accum=0 sizes OSMesaContext ctx = OSMesaCreateContextExt (OSMESA_RGBA, 16, 0, 0, NULL); if (! ctx) { error ("__osmesa_print__: OSMesaCreateContext failed!\n"); return retval; } // Allocate the image buffer OCTAVE_LOCAL_BUFFER (GLubyte, buffer, 4 * Width * Height); // Bind the buffer to the context and make it current if (! OSMesaMakeCurrent (ctx, buffer, GL_UNSIGNED_BYTE, Width, Height)) { error ("__osmesa_print__: OSMesaMakeCurrent failed!\n"); return retval; } // Test for a bug in OSMesa with version < 9.0 // // Unfortunately the macros OSMESA_MAJOR_VERSION and OSMESA_MINOR_VERSION // weren't updated between many releases and can't be used for detection. // (Version 8.0 until 9.1.4 all return MAJOR 6, MINOR 5) GLint z, s; glGetIntegerv (GL_DEPTH_BITS, &z); glGetIntegerv (GL_STENCIL_BITS, &s); if (z != 16 || s != 0) error ("__osmesa_print__: Depth and stencil doesn't match," " are you sure you are using OSMesa >= 9.0?"); unwind_protect outer_frame; bool v = fp.is_visible (); if (v) { outer_frame.add_fcn (reset_visibility, &fp); fp.set_visible ("off"); } if (nargin == 3) { // use gl2ps #ifndef HAVE_GL2PS_H gripe_disabled_feature ("__osmesa_print__", "gl2ps"); #else std::string file = args(1).string_value (); std::string term = args(2).string_value (); if (! error_state) { size_t pos_p = file.find_first_of ("|"); size_t pos_c = file.find_first_not_of ("| "); if (pos_p == std::string::npos && pos_c == std::string::npos) error ("__osmesa_print__: empty output ''"); else if (pos_c == std::string::npos) error ("__osmesa_print__: empty pipe '|'"); else if (pos_p != std::string::npos && pos_p < pos_c) { // create process and pipe gl2ps output to it std::string cmd = file.substr (pos_c); gl2ps_print (fobj, cmd, term); } else { // write gl2ps output directly to file FILE *filep = gnulib::fopen (file.substr (pos_c).c_str (), "w"); if (filep) { unwind_protect frame; frame.add_fcn (close_fcn, filep); glps_renderer rend (filep, term); rend.draw (fobj, ""); // Make sure buffered commands are finished!!! glFinish (); } else error ("__osmesa_print__: Couldn't create file \"%s\"", file.c_str ()); } } #endif } else { // return RGB image opengl_renderer rend; rend.draw (fobj); // Make sure buffered commands are finished!!! glFinish (); dim_vector dv (4, Width, Height); // FIXME: We expect that GLubyte is 1 Byte long. // Adapt code if this isn't always true assert (sizeof (GLubyte) == 1); uint8NDArray img (dv); unsigned char *p = reinterpret_cast<unsigned char*>(img.fortran_vec ()); memcpy (p, buffer, (4 * Width * Height)); Array<octave_idx_type> perm (dim_vector (3, 1)); perm(0) = 2; perm(1) = 1; perm(2) = 0; Array<idx_vector> idx (dim_vector (3, 1)); // Flip Y idx(0) = idx_vector::make_range (Height - 1, -1, Height); idx(1) = idx_vector::colon; // Remove alpha channel idx(2) = idx_vector (0, 3); retval = octave_value (img.permute (perm). index(idx)); } OSMesaDestroyContext (ctx); #endif return retval; } /* ## FIXME: osmesa does not work correctly on Windows platforms. ## This is not critical, since this facility will mostly be used in ## the future for generating the images in Octave's own documentation. ## For the moment, disable these tests on PC's and Macs. %!testif HAVE_OSMESA, HAVE_GL2PS_H %! if (isunix ()) %! h = figure ("visible", "off"); %! fn = tempname (); %! sombrero (); %! __osmesa_print__ (h, fn, "svg"); %! assert (stat (fn).size, 2692270, -0.1); %! unlink (fn); %! img = __osmesa_print__ (h); %! assert (size (img), [get(h, "position")([4, 3]), 3]) %! ## Use pixel sum per RGB channel as fingerprint %! img_fp = squeeze (sum (sum (img), 2)); %! assert (img_fp, [52942515; 54167797; 56158178], -0.05); %! endif %!testif HAVE_OSMESA, HAVE_GL2PS_H %! if (isunix ()) %! h = figure ("visible", "off"); %! fn = tempname (); %! plot (sin (0:0.1:2*pi)); %! __osmesa_print__ (h, fn, "svgis2d"); %! assert (stat (fn).size, 7438, -0.1); %! unlink (fn); %! img = __osmesa_print__ (h); %! assert (size (img), [get(h, "position")([4, 3]), 3]) %! ## Use pixel sum per RGB channel as fingerprint %! img_fp = squeeze (sum (sum (img), 2)); %! assert (img_fp, [59281711; 59281711; 59482179], -0.05); %! endif */