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

annotate libinterp/corefcn/latex-text-renderer.cc @ 29651:b4e2e6f64db0

Warn when latex interpreter can't be used (bug #60583)

author	Pantxo Diribarne <pantxo.diribarne@gmail.com>
date	Wed, 12 May 2021 17:57:08 +0200
parents	aef11bb4e6d1
children	6549fa7558ba

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 //
29520 ddd25345734d Fix some copyright dates in new files (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29483 diff changeset	3 // Copyright (C) 2021 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"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	37 #include "file-ops.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	38 #include "interpreter.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	39 #include "interpreter-private.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	40 #include "oct-env.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	41 #include "oct-process.h"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	42
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	43 namespace octave
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	44 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	45 // FIXME: get rid of this global variable
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	46 // Store both the generated pixmap and the svg image
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	47 typedef std::pair<uint8NDArray /pixels/, std::string /svg/> latex_data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	48 std::unordered_map<std::string, latex_data> latex_cache;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	49
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	50 std::string
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	51 quote_string (std::string str)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	52 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	53 return ('"' + str + '"');
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	54 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	55
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	56 class
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	57 OCTINTERP_API
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	58 latex_renderer : public base_text_renderer
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	59 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	60
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	61 public:
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	62
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	63 latex_renderer (void)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	64 : 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	65 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	66 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	67 m_debug (false), m_testing (true)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	68 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	69 std::string bin = sys::env::getenv ("OCTAVE_LATEX_BINARY");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	70 if (! bin.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	71 m_latex_binary = quote_string (bin);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	72
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	73 bin = sys::env::getenv ("OCTAVE_DVIPNG_BINARY");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	74 if (! bin.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	75 m_dvipng_binary = quote_string (bin);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	76
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	77 bin = sys::env::getenv ("OCTAVE_DVISVG_BINARY");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	78 if (! bin.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	79 m_dvisvg_binary = quote_string (bin);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	80
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	81 m_debug = ! sys::env::getenv ("OCTAVE_LATEX_DEBUG_FLAG").empty ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	82 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	83
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	84 ~latex_renderer (void)
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 if (! m_tmp_dir.empty () && ! m_debug)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	87 octave::sys::recursive_rmdir (m_tmp_dir);
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
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	90 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	91 const std::string& /angle/, double size)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	92 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	93 m_fontsize = size;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	94 }
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 void set_color (const Matrix& c)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	97 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	98 if (c.numel () == 3)
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 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	101 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	102 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	103 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	104 }
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 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	107 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	108 return Matrix (1, 2, 0.0);
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
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	111 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	112 const caseless_str& interpreter)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	113 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	114 Matrix bbox;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	115 uint8NDArray pixels;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	116 text_to_pixels (txt, pixels, bbox, 0, 0, rotation, interpreter, false);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	117 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	118 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	119
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	120 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	121 std::list<text_renderer::string>& lst,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	122 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	123 const caseless_str& interp)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	124 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	125 uint8NDArray pixels;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	126 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	127 interp, false);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	128
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	129 text_renderer::font fnt;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	130 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	131 str.set_color (m_color);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	132 str.set_svg_element (latex_cache[key (txt, halign)].second);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	133 lst.push_back (str);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	134 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	135
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	136 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	137 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	138 const caseless_str& interpreter,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	139 bool handle_rotation);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	140
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	141 void set_anti_aliasing (bool /val/) { }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	142
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	143 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	144
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	145 bool ok (void);
29470 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 private:
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	148
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	149 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	150 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	151 return (txt + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	152 + std::to_string (m_fontsize) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	153 + std::to_string (halign) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	154 + std::to_string (m_color(0)) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	155 + std::to_string (m_color(1)) + ":"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	156 + std::to_string (m_color(2)));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	157 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	158
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	159 void warn_helper (std::string caller, std::string txt,std::string cmd,
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	160 process_execution_result result);
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	161
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	162 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	163
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	164 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	165
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	166 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	167
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	168 private:
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	169 double m_fontsize;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	170 std::string m_fontname;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	171 std::string m_tmp_dir;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	172 uint8NDArray m_color;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	173 std::string m_latex_binary;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	174 std::string m_dvipng_binary;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	175 std::string m_dvisvg_binary;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	176 bool m_debug;
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	177 bool m_testing;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	178
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	179 };
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	180
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	181 bool
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	182 latex_renderer::ok (void)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	183 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	184 // 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	185 static bool tested = false;
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	186
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	187 static bool isok = false;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	188
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	189 if (! tested)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	190 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	191 tested = true;
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 // For testing, render a questoin mark
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	194 uint8NDArray pixels = render ("?");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	195
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	196 if (! pixels.isempty ())
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	197 isok = true;
29651 b4e2e6f64db0 Warn when latex interpreter can't be used (bug #60583) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29572 diff changeset	198 else
b4e2e6f64db0 Warn when latex interpreter can't be used (bug #60583) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29572 diff changeset	199 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	200 "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	201 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	202
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	203 m_testing = false;
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	204
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	205 return isok;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	206 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	207
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	208 std::string
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	209 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	210 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	211 if (m_tmp_dir.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	212 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	213 //Create the temporary directory
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	214 m_tmp_dir = octave::sys::tempnam ("", "latex");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	215
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	216 if (octave::sys::mkdir (m_tmp_dir, 0700) != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	217 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	218 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	219 "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	220 return std::string ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	221 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	222 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	223
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	224 std::string base_file_name
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	225 = octave::sys::file_ops::concat (m_tmp_dir, "default");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	226
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	227 // 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	228 // horizontalalignment
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	229 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	230 std::size_t pos = 0;
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	231
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	232 while (true)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	233 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	234 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	235
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	236 if (pos == std::string::npos)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	237 break;
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 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	240
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	241 pos += 1;
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 std::string env ("flushleft");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	245 if (halign == 1)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	246 env = "center";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	247 else if (halign == 2)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	248 env = "flushright";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	249
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	250 latex_txt = std::string ("\\begin{" ) + env + "}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	251 + latex_txt + "\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	252 + "\\end{" + env + "}\n";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	253
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	254 // Write to temporary .tex file
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	255 std::ofstream file;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	256 file.open (base_file_name + ".tex");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	257 file << "\\documentclass[10pt, varwidth]{standalone}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	258 << "\\usepackage{amsmath}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	259 << "\\usepackage[utf8]{inputenc}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	260 << "\\begin{document}\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	261 << latex_txt << "\n"
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	262 << "\\end{document}";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	263 file.close ();
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 return base_file_name;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	266 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	267
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	268 bool
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	269 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	270 uint8NDArray& data) const
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	271 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	272 uint8NDArray alpha;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	273 uint8NDArray rgb;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	274 int height;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	275 int width;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	276
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	277 try
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	278 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	279 // 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	280 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	281
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	282 octave_scalar_map info
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	283 = 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	284 "Wrong type for info");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	285 height = info.getfield ("rows").int_value ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	286 width = info.getfield ("columns").int_value ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	287 Cell region (dim_vector(1,2));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	288 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	289 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	290 info.setfield ("region", region);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	291 info.setfield ("index", octave_value (1));
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 // Retrieve the alpha map
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	294 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	295
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	296 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	297 "Wrong type for alpha");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	298 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	299 catch (const octave::execution_exception& ee)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	300 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	301 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	302 "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	303 ee.message ().c_str ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	304
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	305 octave::interpreter& interp
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	306 = octave::__get_interpreter__ ("latex_renderer::read_image");
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	307
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	308 interp.recover_from_exception ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	309
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	310 return false;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	311 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	312
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	313 data = uint8NDArray (dim_vector (4, width, height),
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	314 static_cast<uint8_t> (0));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	315
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	316 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	317 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	318 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	319 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	320 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	321 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	322 data(2, j, i) = m_color(2);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	323 data(3, j, i) = alpha(height-i-1,j);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	324 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	325 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	326
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	327 return true;
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
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	330 void
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	331 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	332 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	333 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	334 if (m_testing && ! m_debug)
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	335 return;
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	336
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	337 if (! m_debug)
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	338 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	339 "latex_renderer: unable to compile \"%s\"",
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	340 txt.c_str ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	341 else
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	342 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	343 "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	344 * 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	345 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	346 result.err_msg ().c_str (),
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	347 result.stdout_output ().c_str ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	348 }
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 uint8NDArray
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	351 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	352 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	353 // Render if it was not already done
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	354 auto it = latex_cache.find (key (txt, halign));
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	355
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	356 if (it != latex_cache.end ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	357 return it->second.first;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	358
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	359 uint8NDArray data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	360
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	361 // First write the base .tex file
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	362 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	363
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	364 if (base_file_name.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	365 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	366
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	367 // Generate DVI file
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	368 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	369 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	370 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	371
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	372 process_execution_result result;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	373 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	374 + "-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	375 + tex_file);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	376
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	377 #if defined (OCTAVE_USE_WINDOWS_API)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	378 cmd = quote_string (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	379 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	380
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	381 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	382
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	383 if (result.exit_status () != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	384 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	385 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	386
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	387 if (txt != "?")
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	388 {
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	389 write_tex_file ("?", halign);
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	390
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	391 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	392 if (result.exit_status () != 0)
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	393 return data;
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	394 }
af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	395 else
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	396 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	397 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	398
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	399 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	400
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	401
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	402 // 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	403 // gl2ps_print
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	404 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	405
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	406 cmd = (m_dvisvg_binary + " -n "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	407 + "-TS" + std::to_string (size_factor) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	408 + "-v1 -o " + quote_string (svg_file) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	409 + dvi_file);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	410
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	411 #if defined (OCTAVE_USE_WINDOWS_API)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	412 cmd = quote_string (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	413 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	414
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	415 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	416
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	417 if (result.exit_status () != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	418 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	419 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	420 return data;
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
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	423 std::ifstream svg_stream (svg_file);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	424 std::string svg_string;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	425 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	426 std::istreambuf_iterator<char> ());
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	427
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	428 // 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	429 // OpenGL
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	430 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	431
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	432 cmd = (m_dvipng_binary + " " + dvi_file + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	433 + "-q -o " + quote_string (png_file) + " "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	434 + "-bg Transparent -D "
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	435 + 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	436
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	437 #if defined (OCTAVE_USE_WINDOWS_API)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	438 cmd = quote_string (cmd);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	439 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	440
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	441 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	442
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	443 if (result.exit_status () != 0)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	444 {
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	445 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	446 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	447 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	448
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	449 if (! read_image (png_file, data))
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	450 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	451
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	452 // Cache pixel and svg data for this string
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	453 latex_cache[key (txt, halign)] = latex_data (data, svg_string);
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 if (m_debug)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	456 std::cout << "* Caching " << key (txt, halign)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	457 << " (numel: " << latex_cache.size () << ")\n";
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	458
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	459 return data;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	460 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	461
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	462 void
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	463 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	464 Matrix& bbox, int halign, int valign,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	465 double rotation,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	466 const caseless_str& /interpreter/,
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	467 bool handle_rotation)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	468 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	469 // Return early for empty strings
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	470 if (txt.empty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	471 return;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	472
29483 af41ebf3d1b3 Differ latex test until actually needed (bug #59546) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29470 diff changeset	473 if (ok ())
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	474 pixels = render (txt, halign);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	475 else
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	476 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	477
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	478 if (pixels.ndims () < 3 \|\| pixels.isempty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	479 return; // nothing to render
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 // Store unrotated bbox size
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	482 bbox = Matrix (1, 4, 0.0);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	483 bbox (2) = pixels.dim2 ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	484 bbox (3) = pixels.dim3 ();
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 // Now rotate pixels if necessary
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	487 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	488
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	489 if (! pixels.isempty ())
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	490 rotate_pixels (pixels, rot_mode);
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	491
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	492 // 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	493 // 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	494 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	495 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	496
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	497 base_text_renderer*
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	498 make_latex_text_renderer (void)
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	499 {
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	500 latex_renderer *renderer = new latex_renderer ();
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	501
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	502 return renderer;
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	503 }
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: diff changeset	504 }

Mercurial > octave

annotate libinterp/corefcn/latex-text-renderer.cc @ 29651:b4e2e6f64db0