Mercurial > octave
view libinterp/dldfcn/__osmesa_print__.cc @ 21200:fcac5dbbf9ed
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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/* 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 "errwarn.h" #include "gl-render.h" #include "gl2ps-print.h" #include "graphics.h" #include "oct-opengl.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 reset_visibility (figure::properties *fp) { fp->set_visible ("on"); } #endif DEFUN_DLD(__osmesa_print__, args, , "-*- texinfo -*-\n\ @deftypefn {} {} __osmesa_print__ (@var{h}, @var{file}, @var{term})\n\ @deftypefnx {} {@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") { #ifndef HAVE_OSMESA err_disabled_feature ("__osmesa_print__", "offscreen rendering with OSMesa"); #else int nargin = args.length (); if (nargin != 1 && nargin != 3) print_usage (); if (nargin == 3) { if (! (args(1).is_string () && args(2).is_string ())) error ("__osmesa_print__: FILE and TERM must be strings"); } octave_value_list retval; 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"); 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"); // 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"); // 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) { std::string file = args(1).string_value (); std::string term = args(2).string_value (); gl2ps_print (fobj, file, term); } else { // return RGB image opengl_renderer rend; // Draw and finish () or there may primitives missing in the // output. rend.draw (fobj); rend.finish (); 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); return retval; #endif } /* ## 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 */