octave: libinterp/corefcn/latex-text-renderer.cc annotate

annotate libinterp/corefcn/latex-text-renderer.cc @ 31210:9ad55d2e1bbf stable

Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). * latex-text-renderer.cc (latex_renderer::write_tex_file): On Windows, use canonicalized path of temporary directory.

author	Pantxo Diribarne <pantxo.diribarne@gmail.com>
date	Sun, 28 Aug 2022 22:44:49 +0200
parents	796f54d4ddbf
children	8340137bb190

rev	line source
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	1 ////////////////////////////////////////////////////////////////////////
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30390 diff changeset	3 // Copyright (C) 2021-2022 The Octave Project Developers
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	4 //
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	6 // distribution or <https://octave.org/copyright/>.
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	7 //
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	8 // This file is part of Octave.
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	9 //
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	11 // under the terms of the GNU General Public License as published by
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	13 // (at your option) any later version.
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	14 //
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	15 // Octave is distributed in the hope that it will be useful, but
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	18 // GNU General Public License for more details.
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	19 //
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	20 // You should have received a copy of the GNU General Public License
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	21 // along with Octave; see the file COPYING. If not, see
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	22 // <https://www.gnu.org/licenses/>.
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	23 //
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	24 ////////////////////////////////////////////////////////////////////////
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	25
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	26 #ifdef HAVE_CONFIG_H
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	27 #include <config.h>
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	28 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	29
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	30 #include <iostream>
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	31 #include <fstream>
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	32
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	33 #include "base-text-renderer.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	34 #include "builtin-defun-decls.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	35 #include "dim-vector.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	36 #include "error.h"
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	37 #include "graphics.h"
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	38 #include "file-ops.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	39 #include "interpreter.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	40 #include "interpreter-private.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	41 #include "oct-env.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	42 #include "oct-process.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	43
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	44 namespace octave
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	45 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	46 std::string
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	47 quote_string (std::string str)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	48 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	49 return ('"' + str + '"');
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	50 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	51
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	52 class
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	53 OCTINTERP_API
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	54 latex_renderer : public base_text_renderer
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	55 {
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	56
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	57 public:
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	58
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	59 latex_renderer (void)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	60 : m_fontsize (10.0), m_fontname ("cmr"), m_tmp_dir (),
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	61 m_color (dim_vector (1, 3), 0), m_latex_binary ("latex"),
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	62 m_dvipng_binary ("dvipng"), m_dvisvg_binary ("dvisvgm"),
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	63 m_debug (false), m_testing (true)
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	64 {
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	65 std::string bin = sys::env::getenv ("OCTAVE_LATEX_BINARY");
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	66 if (! bin.empty ())
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	67 m_latex_binary = quote_string (bin);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	68
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	69 bin = sys::env::getenv ("OCTAVE_DVIPNG_BINARY");
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	70 if (! bin.empty ())
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	71 m_dvipng_binary = quote_string (bin);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	72
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	73 bin = sys::env::getenv ("OCTAVE_DVISVG_BINARY");
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	74 if (! bin.empty ())
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	75 m_dvisvg_binary = quote_string (bin);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	76
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	77 m_debug = ! sys::env::getenv ("OCTAVE_LATEX_DEBUG_FLAG").empty ();
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	78 }
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	79
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	80 ~latex_renderer (void)
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	81 {
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	82 if (! m_tmp_dir.empty () && ! m_debug)
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	83 sys::recursive_rmdir (m_tmp_dir);
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	84 }
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	85
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	86 void set_font (const std::string& /name/, const std::string& /weight/,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	87 const std::string& /angle/, double size)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	88 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	89 m_fontsize = size;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	90 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	91
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	92 void set_color (const Matrix& c)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	93 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	94 if (c.numel () == 3)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	95 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	96 m_color(0) = static_cast<uint8_t> (c (0) * 255);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	97 m_color(1) = static_cast<uint8_t> (c (1) * 255);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	98 m_color(2) = static_cast<uint8_t> (c (2) * 255);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	99 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	100 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	101
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	102 Matrix get_extent (text_element* /elt/, double /rotation/)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	103 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	104 return Matrix (1, 2, 0.0);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	105 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	106
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	107 Matrix get_extent (const std::string& txt, double rotation,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	108 const caseless_str& interpreter)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	109 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	110 Matrix bbox;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	111 uint8NDArray pixels;
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	112
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	113 text_to_pixels (txt, pixels, bbox, 0, 0, rotation, interpreter, false);
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	114
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	115 return bbox.extract_n (0, 2, 1, 2);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	116 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	117
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	118 void text_to_strlist (const std::string& txt,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	119 std::list<text_renderer::string>& lst,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	120 Matrix& bbox, int halign, int valign, double rotation,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	121 const caseless_str& interp)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	122 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	123 uint8NDArray pixels;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	124 text_to_pixels (txt, pixels, bbox, halign, valign, rotation,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	125 interp, false);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	126
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	127 text_renderer::font fnt;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	128 text_renderer::string str ("", fnt, 0.0, 0.0);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	129 str.set_color (m_color);
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	130
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	131 gh_manager& gh_mgr = octave::__get_gh_manager__ ("text_to_strlist");
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	132
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	133 gh_manager::latex_data ldata = gh_mgr.get_latex_data (key (txt, halign));
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	134
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	135 str.set_svg_element (ldata.second);
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	136
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	137 lst.push_back (str);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	138 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	139
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	140 void text_to_pixels (const std::string& txt, uint8NDArray& pxls,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	141 Matrix& bbox, int halign, int valign, double rotation,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	142 const caseless_str& interpreter,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	143 bool handle_rotation);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	144
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	145 void set_anti_aliasing (bool /val/) { }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	146
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	147 octave_map get_system_fonts (void) { return octave_map (); }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	148
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	149 bool ok (void);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	150
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	151 private:
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	152
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	153 std::string key (const std::string& txt, int halign)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	154 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	155 return (txt + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	156 + std::to_string (m_fontsize) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	157 + std::to_string (halign) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	158 + std::to_string (m_color(0)) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	159 + std::to_string (m_color(1)) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	160 + std::to_string (m_color(2)));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	161 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	162
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	163 void warn_helper (std::string caller, std::string txt, std::string cmd,
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	164 process_execution_result result);
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	165
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	166 uint8NDArray render (const std::string& txt, int halign = 0);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	167
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	168 bool read_image (const std::string& png_file, uint8NDArray& data) const;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	169
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	170 std::string write_tex_file (const std::string& txt, int halign);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	171
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	172 private:
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	173 double m_fontsize;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	174 std::string m_fontname;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	175 std::string m_tmp_dir;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	176 uint8NDArray m_color;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	177 std::string m_latex_binary;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	178 std::string m_dvipng_binary;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	179 std::string m_dvisvg_binary;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	180 bool m_debug;
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	181 bool m_testing;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	182
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	183 };
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	184
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	185 bool
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	186 latex_renderer::ok (void)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	187 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	188 // Only run the test once in a session
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	189 static bool tested = false;
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	190
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	191 static bool isok = false;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	192
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	193 if (! tested)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	194 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	195 tested = true;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	196
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	197 // For testing, render a questoin mark
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	198 uint8NDArray pixels = render ("?");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	199
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	200 if (! pixels.isempty ())
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	201 isok = true;
29651 b4e2e6f64db0 Warn when latex interpreter can't be used (bug #60583) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29572 diff changeset	202 else
b4e2e6f64db0 Warn when latex interpreter can't be used (bug #60583) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29572 diff changeset	203 warning_with_id ("Octave:LaTeX:internal-error",
b4e2e6f64db0 Warn when latex interpreter can't be used (bug #60583) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29572 diff changeset	204 "latex_renderer: a run-time test failed and the 'latex' interpreter has been disabled.");
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	205 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	206
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	207 m_testing = false;
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	208
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	209 return isok;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	210 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	211
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	212 std::string
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	213 latex_renderer::write_tex_file (const std::string& txt, int halign)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	214 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	215 if (m_tmp_dir.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	216 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	217 //Create the temporary directory
31210 9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	218 #if defined (OCTAVE_USE_WINDOWS_API)
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	219 static std::string base_tmp_dir;
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	220
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	221 if (base_tmp_dir.empty ())
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	222 {
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	223 base_tmp_dir = sys::env::get_temp_directory ();
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	224
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	225 // Make sure we don't get short 8.3 path on Windows since some
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	226 // versions of latex on that platform don't support them
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	227 // (see bug #62779)
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	228 if (base_tmp_dir.find ('~') != std::string::npos)
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	229 base_tmp_dir = sys::canonicalize_file_name (base_tmp_dir);
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	230 }
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	231
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	232 m_tmp_dir = sys::tempnam (base_tmp_dir, "latex");
9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	233 #else
29950 6549fa7558ba eliminate some unnecessary octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 29651 diff changeset	234 m_tmp_dir = sys::tempnam ("", "latex");
31210 9ad55d2e1bbf Make sure we don't pass short 8.3 path to latex on Windows (bug #62779). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 30564 diff changeset	235 #endif
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	236
29950 6549fa7558ba eliminate some unnecessary octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 29651 diff changeset	237 if (sys::mkdir (m_tmp_dir, 0700) != 0)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	238 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	239 warning_with_id ("Octave:LaTeX:internal-error",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	240 "latex_renderer: unable to create temp directory");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	241 return std::string ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	242 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	243 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	244
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	245 std::string base_file_name
29950 6549fa7558ba eliminate some unnecessary octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 29651 diff changeset	246 = sys::file_ops::concat (m_tmp_dir, "default");
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	247
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	248 // Duplicate \n characters and align multi-line strings based on
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	249 // horizontalalignment
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	250 std::string latex_txt (txt);
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29520 diff changeset	251 std::size_t pos = 0;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	252
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	253 while (true)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	254 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	255 pos = txt.find_first_of ("\n", pos);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	256
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	257 if (pos == std::string::npos)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	258 break;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	259
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	260 latex_txt.replace (pos, 1, "\n\n");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	261
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	262 pos += 1;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	263 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	264
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	265 std::string env ("flushleft");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	266 if (halign == 1)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	267 env = "center";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	268 else if (halign == 2)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	269 env = "flushright";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	270
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	271 latex_txt = std::string ("\\begin{" ) + env + "}\n"
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	272 + latex_txt + "\n"
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	273 + "\\end{" + env + "}\n";
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	274
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	275 // Write to temporary .tex file
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	276 std::ofstream file;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	277 file.open (base_file_name + ".tex");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	278 file << "\\documentclass[10pt, varwidth]{standalone}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	279 << "\\usepackage{amsmath}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	280 << "\\usepackage[utf8]{inputenc}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	281 << "\\begin{document}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	282 << latex_txt << "\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	283 << "\\end{document}";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	284 file.close ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	285
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	286 return base_file_name;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	287 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	288
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	289 bool
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	290 latex_renderer::read_image (const std::string& png_file,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	291 uint8NDArray& data) const
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	292 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	293 uint8NDArray alpha;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	294 uint8NDArray rgb;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	295 int height;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	296 int width;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	297
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	298 try
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	299 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	300 // First get the image size to build the argument to __magick_read__
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	301 octave_value_list retval = F__magick_ping__ (ovl (png_file), 1);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	302
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	303 octave_scalar_map info
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	304 = retval(0).xscalar_map_value ("latex_renderer::read_image: "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	305 "Wrong type for info");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	306 height = info.getfield ("rows").int_value ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	307 width = info.getfield ("columns").int_value ();
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	308 Cell region (dim_vector(1, 2));
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	309 region(0) = range<double> (1.0, height);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	310 region(1) = range<double> (1.0, width);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	311 info.setfield ("region", region);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	312 info.setfield ("index", octave_value (1));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	313
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	314 // Retrieve the alpha map
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	315 retval = F__magick_read__ (ovl (png_file, info), 3);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	316
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	317 alpha = retval(2).xuint8_array_value ("latex_renderer::read_image: "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	318 "Wrong type for alpha");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	319 }
29950 6549fa7558ba eliminate some unnecessary octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 29651 diff changeset	320 catch (const execution_exception& ee)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	321 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	322 warning_with_id ("Octave:LaTeX:internal-error",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	323 "latex_renderer:: failed to read png data. %s",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	324 ee.message ().c_str ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	325
29950 6549fa7558ba eliminate some unnecessary octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 29651 diff changeset	326 interpreter& interp
6549fa7558ba eliminate some unnecessary octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 29651 diff changeset	327 = __get_interpreter__ ("latex_renderer::read_image");
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	328
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	329 interp.recover_from_exception ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	330
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	331 return false;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	332 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	333
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	334 data = uint8NDArray (dim_vector (4, width, height),
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	335 static_cast<uint8_t> (0));
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	336
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	337 for (int i = 0; i < height; i++)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	338 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	339 for (int j = 0; j < width; j++)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	340 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	341 data(0, j, i) = m_color(0);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	342 data(1, j, i) = m_color(1);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	343 data(2, j, i) = m_color(2);
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	344 data(3, j, i) = alpha(height-i-1, j);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	345 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	346 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	347
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	348 return true;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	349 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	350
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	351 void
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	352 latex_renderer::warn_helper (std::string caller, std::string txt,
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	353 std::string cmd, process_execution_result result)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	354 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	355 if (m_testing && ! m_debug)
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	356 return;
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	357
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	358 if (! m_debug)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	359 warning_with_id ("Octave:LaTeX:internal-error",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	360 "latex_renderer: unable to compile \"%s\"",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	361 txt.c_str ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	362 else
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	363 warning_with_id ("Octave:LaTeX:internal-error",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	364 "latex_renderer: %s failed for string \"%s\"\n\
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	365 * Command:\n\t%s\n\n* Error:\n%s\n\n* Stdout:\n%s",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	366 caller.c_str (), txt.c_str (), cmd.c_str (),
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	367 result.err_msg ().c_str (),
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	368 result.stdout_output ().c_str ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	369 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	370
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	371 uint8NDArray
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	372 latex_renderer::render (const std::string& txt, int halign)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	373 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	374 // Render if it was not already done
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	375 gh_manager& gh_mgr = octave::__get_gh_manager__ ("latex_renderer::render");
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	376
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	377 gh_manager::latex_data ldata = gh_mgr.get_latex_data (key (txt, halign));
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	378
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	379 if (! ldata.first.isempty ())
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	380 return ldata.first;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	381
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	382 uint8NDArray data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	383
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	384 // First write the base .tex file
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	385 std::string base_file_name = write_tex_file (txt, halign);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	386
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	387 if (base_file_name.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	388 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	389
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	390 // Generate DVI file
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	391 std::string tex_file = quote_string (base_file_name + ".tex");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	392 std::string dvi_file = quote_string (base_file_name + ".dvi");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	393 std::string log_file = quote_string (base_file_name + ".log");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	394
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	395 process_execution_result result;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	396 std::string cmd = (m_latex_binary + " -interaction=nonstopmode "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	397 + "-output-directory=" + quote_string (m_tmp_dir) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	398 + tex_file);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	399
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	400 #if defined (OCTAVE_USE_WINDOWS_API)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	401 cmd = quote_string (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	402 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	403
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	404 result = run_command_and_return_output (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	405
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	406 if (result.exit_status () != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	407 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	408 warn_helper ("latex", txt, cmd, result);
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	409
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	410 if (txt != "?")
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	411 {
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	412 write_tex_file ("?", halign);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	413
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	414 result = run_command_and_return_output (cmd);
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	415 if (result.exit_status () != 0)
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	416 return data;
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	417 }
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	418 else
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	419 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	420 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	421
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	422 double size_factor = m_fontsize / 10.0;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	423
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	424
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	425 // Convert DVI to SVG, read file and store its content for later use in
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	426 // gl2ps_print
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	427 std::string svg_file = base_file_name + ".svg";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	428
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	429 cmd = (m_dvisvg_binary + " -n "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	430 + "-TS" + std::to_string (size_factor) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	431 + "-v1 -o " + quote_string (svg_file) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	432 + dvi_file);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	433
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	434 #if defined (OCTAVE_USE_WINDOWS_API)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	435 cmd = quote_string (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	436 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	437
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	438 result = run_command_and_return_output (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	439
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	440 if (result.exit_status () != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	441 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	442 warn_helper ("dvisvg", txt, cmd, result);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	443 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	444 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	445
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	446 std::ifstream svg_stream (svg_file);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	447 std::string svg_string;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	448 svg_string.assign (std::istreambuf_iterator<char> (svg_stream),
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	449 std::istreambuf_iterator<char> ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	450
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	451 // Convert DVI to PNG, read file and format pixel data for later use in
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	452 // OpenGL
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	453 std::string png_file = base_file_name + ".png";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	454
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	455 cmd = (m_dvipng_binary + " " + dvi_file + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	456 + "-q -o " + quote_string (png_file) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	457 + "-bg Transparent -D "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	458 + std::to_string (std::floor (72.0 * size_factor)));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	459
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	460 #if defined (OCTAVE_USE_WINDOWS_API)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	461 cmd = quote_string (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	462 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	463
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	464 result = run_command_and_return_output (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	465
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	466 if (result.exit_status () != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	467 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	468 warn_helper ("dvipng", txt, cmd, result);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	469 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	470 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	471
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	472 if (! read_image (png_file, data))
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	473 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	474
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	475 // Cache pixel and svg data for this string
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	476 ldata.first = data;
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	477 ldata.second = svg_string;
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	478
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	479 gh_mgr.set_latex_data (key (txt, halign), ldata);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	480
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	481 if (m_debug)
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	482 std::cout << "* Caching " << key (txt, halign) << std::endl;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	483
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	484 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	485 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	486
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	487 void
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	488 latex_renderer::text_to_pixels (const std::string& txt, uint8NDArray& pixels,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	489 Matrix& bbox, int halign, int valign,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	490 double rotation,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	491 const caseless_str& /interpreter/,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	492 bool handle_rotation)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	493 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	494 // Return early for empty strings
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	495 if (txt.empty ())
30299 f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	496 {
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	497 bbox = Matrix (1, 4, 0.0);
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	498 return;
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29950 diff changeset	499 }
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	500
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	501 if (ok ())
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	502 pixels = render (txt, halign);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	503 else
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	504 pixels = uint8NDArray (dim_vector (4, 1, 1), static_cast<uint8_t> (0));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	505
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	506 if (pixels.ndims () < 3 \|\| pixels.isempty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	507 return; // nothing to render
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	508
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	509 // Store unrotated bbox size
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	510 bbox = Matrix (1, 4, 0.0);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	511 bbox (2) = pixels.dim2 ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	512 bbox (3) = pixels.dim3 ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	513
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	514 // Now rotate pixels if necessary
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	515 int rot_mode = rotation_to_mode (rotation);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	516
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	517 if (! pixels.isempty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	518 rotate_pixels (pixels, rot_mode);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	519
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	520 // Move X0 and Y0 depending on alignments and eventually swap values
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	521 // for text rotated 90° 180° or 270°
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	522 fix_bbox_anchor (bbox, halign, valign, rot_mode, handle_rotation);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	523 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	524
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30299 diff changeset	525 base_text_renderer *
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	526 make_latex_text_renderer (void)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	527 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	528 latex_renderer *renderer = new latex_renderer ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	529
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	530 return renderer;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	531 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	532 }

Mercurial > octave

annotate libinterp/corefcn/latex-text-renderer.cc @ 31210:9ad55d2e1bbf stable