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ensure exp. terminal widget has focus at startup * main-window.cc (main_window): call focus_command_window only if event loop is idle by using a single shot timer * main-window.h: make focus_command_window a public slot
author Torsten Lilge <ttl-octave@mailbox.org>
date Sun, 26 May 2024 02:29:44 +0200
parents 8f8bb94a1b83
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2021-2024 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <iostream>
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31 #include <fstream>
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32
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33 #include "base-text-renderer.h"
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34 #include "builtin-defun-decls.h"
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35 #include "dim-vector.h"
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36 #include "error.h"
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37 #include "graphics.h"
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38 #include "file-ops.h"
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39 #include "interpreter.h"
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40 #include "interpreter-private.h"
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41 #include "oct-env.h"
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42 #include "oct-process.h"
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43
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44 OCTAVE_BEGIN_NAMESPACE(octave)
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45
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46 std::string
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47 quote_string (std::string str)
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48 {
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49 return ('"' + str + '"');
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50 }
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51
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52 class OCTINTERP_API latex_renderer : public base_text_renderer
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53 {
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54 public:
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55
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56 latex_renderer ()
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57 : m_fontsize (10.0), m_fontname ("cmr"), m_tmp_dir (),
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58 m_color (dim_vector (1, 3), 0), m_latex_binary ("latex"),
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59 m_dvipng_binary ("dvipng"), m_dvisvg_binary ("dvisvgm"),
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60 m_debug (false), m_testing (true)
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61 {
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62 std::string bin = sys::env::getenv ("OCTAVE_LATEX_BINARY");
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63 if (! bin.empty ())
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64 m_latex_binary = quote_string (bin);
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65
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66 bin = sys::env::getenv ("OCTAVE_DVIPNG_BINARY");
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67 if (! bin.empty ())
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68 m_dvipng_binary = quote_string (bin);
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69
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70 bin = sys::env::getenv ("OCTAVE_DVISVG_BINARY");
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71 if (! bin.empty ())
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72 m_dvisvg_binary = quote_string (bin);
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73
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74 m_debug = ! sys::env::getenv ("OCTAVE_LATEX_DEBUG_FLAG").empty ();
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75 }
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76
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77 OCTAVE_DISABLE_COPY_MOVE (latex_renderer)
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78
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79 ~latex_renderer ()
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80 {
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81 if (! m_tmp_dir.empty () && ! m_debug)
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82 sys::recursive_rmdir (m_tmp_dir);
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83 }
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84
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85 void set_font (const std::string& /*name*/, const std::string& /*weight*/,
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86 const std::string& /*angle*/, double size)
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87 {
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88 m_fontsize = size;
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89 }
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90
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91 void set_color (const Matrix& c)
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92 {
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93 if (c.numel () == 3)
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94 {
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95 m_color(0) = static_cast<uint8_t> (c (0) * 255);
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96 m_color(1) = static_cast<uint8_t> (c (1) * 255);
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97 m_color(2) = static_cast<uint8_t> (c (2) * 255);
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98 }
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99 }
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100
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101 Matrix get_extent (text_element * /*elt*/, double /*rotation*/)
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102 {
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103 return Matrix (1, 2, 0.0);
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104 }
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105
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106 Matrix get_extent (const std::string& txt, double rotation,
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107 const caseless_str& interpreter)
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108 {
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109 Matrix bbox;
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110 uint8NDArray pixels;
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111
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112 text_to_pixels (txt, pixels, bbox, 0, 0, rotation, interpreter, false);
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113
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114 return bbox.extract_n (0, 2, 1, 2);
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115 }
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116
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117 void text_to_strlist (const std::string& txt,
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118 std::list<text_renderer::string>& lst,
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119 Matrix& bbox, int halign, int valign, double rotation,
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120 const caseless_str& interp)
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121 {
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122 uint8NDArray pixels;
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123 text_to_pixels (txt, pixels, bbox, halign, valign, rotation,
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124 interp, false);
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125
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126 text_renderer::font fnt;
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127 text_renderer::string str ("", fnt, 0.0, 0.0);
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128 str.set_color (m_color);
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129
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130 gh_manager& gh_mgr = octave::__get_gh_manager__ ();
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131
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132 gh_manager::latex_data ldata = gh_mgr.get_latex_data (key (txt, halign));
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133
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134 str.set_svg_element (ldata.second);
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135
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136 lst.push_back (str);
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137 }
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138
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139 void text_to_pixels (const std::string& txt, uint8NDArray& pxls,
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140 Matrix& bbox, int halign, int valign, double rotation,
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141 const caseless_str& interpreter,
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142 bool handle_rotation);
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143
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144 void set_anti_aliasing (bool /*val*/) { }
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145
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146 octave_map get_system_fonts () { return octave_map (); }
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147
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148 bool ok ();
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149
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150 private:
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151
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152 std::string key (const std::string& txt, int halign)
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153 {
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154 return (txt + ":"
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155 + std::to_string (m_fontsize) + ":"
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156 + std::to_string (halign) + ":"
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157 + std::to_string (m_color(0)) + ":"
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158 + std::to_string (m_color(1)) + ":"
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159 + std::to_string (m_color(2)));
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160 }
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161
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162 void warn_helper (std::string caller, std::string txt, std::string cmd,
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163 process_execution_result result);
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164
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165 uint8NDArray render (const std::string& txt, int halign = 0);
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166
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167 bool read_image (const std::string& png_file, uint8NDArray& data) const;
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168
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169 std::string write_tex_file (const std::string& txt, int halign);
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170
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171 private:
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172 double m_fontsize;
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173 std::string m_fontname;
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174 std::string m_tmp_dir;
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175 uint8NDArray m_color;
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176 std::string m_latex_binary;
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177 std::string m_dvipng_binary;
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178 std::string m_dvisvg_binary;
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179 bool m_debug;
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180 bool m_testing;
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181
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182 };
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183
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184 bool
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185 latex_renderer::ok ()
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186 {
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187 // Only run the test once in a session
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188 static bool tested = false;
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189
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190 static bool isok = false;
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191
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192 if (! tested)
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193 {
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194 tested = true;
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195
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196 // For testing, render a questoin mark
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197 uint8NDArray pixels = render ("?");
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198
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199 if (! pixels.isempty ())
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200 isok = true;
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201 else
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202 warning_with_id ("Octave:LaTeX:internal-error",
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203 "latex_renderer: a run-time test failed and the 'latex' interpreter has been disabled.");
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204 }
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205
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206 m_testing = false;
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207
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208 return isok;
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209 }
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210
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211 std::string
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212 latex_renderer::write_tex_file (const std::string& txt, int halign)
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213 {
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214 if (m_tmp_dir.empty ())
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215 {
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216 //Create the temporary directory
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217 #if defined (OCTAVE_USE_WINDOWS_API)
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218 static std::string base_tmp_dir;
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219
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220 if (base_tmp_dir.empty ())
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221 {
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222 base_tmp_dir = sys::env::get_temp_directory ();
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223
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224 // Make sure we don't get short 8.3 path on Windows since some
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225 // versions of latex on that platform don't support them
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226 // (see bug #62779)
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227 if (base_tmp_dir.find ('~') != std::string::npos)
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228 base_tmp_dir = sys::canonicalize_file_name (base_tmp_dir);
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229 }
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230
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231 m_tmp_dir = sys::tempnam (base_tmp_dir, "latex");
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232 #else
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233 m_tmp_dir = sys::tempnam ("", "latex");
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234 #endif
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235
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236 if (sys::mkdir (m_tmp_dir, 0700) != 0)
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237 {
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238 warning_with_id ("Octave:LaTeX:internal-error",
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239 "latex_renderer: unable to create temp directory");
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240 return std::string ();
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241 }
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242 }
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243
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244 std::string base_file_name
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245 = sys::file_ops::concat (m_tmp_dir, "default");
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246
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247 // Duplicate \n characters and align multi-line strings based on
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248 // horizontalalignment
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249 std::string latex_txt (txt);
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250 std::size_t pos = 0;
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251
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252 while (true)
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253 {
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254 pos = txt.find_first_of ("\n", pos);
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255
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256 if (pos == std::string::npos)
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257 break;
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258
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259 latex_txt.replace (pos, 1, "\n\n");
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260
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261 pos += 1;
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262 }
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263
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264 std::string env ("flushleft");
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265 if (halign == 1)
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266 env = "center";
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267 else if (halign == 2)
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268 env = "flushright";
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269
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270 latex_txt = std::string ("\\begin{" ) + env + "}\n"
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271 + latex_txt + "\n"
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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272 + "\\end{" + env + "}\n";
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273
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274 // Write to temporary .tex file
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275 std::ofstream file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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276 file.open (base_file_name + ".tex");
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
277 file << "\\documentclass[10pt, varwidth]{standalone}\n"
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diff changeset
278 << "\\usepackage{amsmath}\n"
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279 << "\\usepackage[utf8]{inputenc}\n"
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280 << "\\begin{document}\n"
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281 << latex_txt << "\n"
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282 << "\\end{document}";
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diff changeset
283 file.close ();
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284
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285 return base_file_name;
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286 }
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diff changeset
287
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diff changeset
288 bool
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289 latex_renderer::read_image (const std::string& png_file,
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290 uint8NDArray& data) const
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291 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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292 uint8NDArray alpha;
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293 uint8NDArray rgb;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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294 int height;
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295 int width;
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296
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297 try
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298 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
299 // First get the image size to build the argument to __magick_read__
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300 octave_value_list retval = F__magick_ping__ (ovl (png_file), 1);
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301
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302 octave_scalar_map info
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303 = retval(0).xscalar_map_value ("latex_renderer::read_image: "
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304 "Wrong type for info");
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305 height = info.getfield ("rows").int_value ();
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306 width = info.getfield ("columns").int_value ();
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307 Cell region (dim_vector(1, 2));
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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308 region(0) = range<double> (1.0, height);
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309 region(1) = range<double> (1.0, width);
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310 info.setfield ("region", region);
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311 info.setfield ("index", octave_value (1));
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312
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313 // Retrieve the alpha map
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314 retval = F__magick_read__ (ovl (png_file, info), 3);
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315
31607
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diff changeset
316 alpha = retval(2).xuint8_array_value ("latex_renderer::read_image: "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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317 "Wrong type for alpha");
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diff changeset
318 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
319 catch (const execution_exception& ee)
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diff changeset
320 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
321 warning_with_id ("Octave:LaTeX:internal-error",
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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322 "latex_renderer:: failed to read png data. %s",
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diff changeset
323 ee.message ().c_str ());
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324
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diff changeset
325 interpreter& interp = __get_interpreter__ ();
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326
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327 interp.recover_from_exception ();
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328
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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329 return false;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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330 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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331
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
332 data = uint8NDArray (dim_vector (4, width, height),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
333 static_cast<uint8_t> (0));
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diff changeset
334
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335 for (int i = 0; i < height; i++)
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336 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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337 for (int j = 0; j < width; j++)
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338 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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339 data(0, j, i) = m_color(0);
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340 data(1, j, i) = m_color(1);
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341 data(2, j, i) = m_color(2);
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342 data(3, j, i) = alpha(height-i-1, j);
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343 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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344 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
345
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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346 return true;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
347 }
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diff changeset
348
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
349 void
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diff changeset
350 latex_renderer::warn_helper (std::string caller, std::string txt,
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351 std::string cmd, process_execution_result result)
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352 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
353 if (m_testing && ! m_debug)
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354 return;
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parents:
diff changeset
355
31607
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diff changeset
356 if (! m_debug)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
357 warning_with_id ("Octave:LaTeX:internal-error",
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
358 "latex_renderer: unable to compile \"%s\"",
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
359 txt.c_str ());
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
360 else
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
361 warning_with_id ("Octave:LaTeX:internal-error",
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
362 "latex_renderer: %s failed for string \"%s\"\n\
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
363 * Command:\n\t%s\n\n* Error:\n%s\n\n* Stdout:\n%s",
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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parents: 31605
diff changeset
364 caller.c_str (), txt.c_str (), cmd.c_str (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
365 result.err_msg ().c_str (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
366 result.stdout_output ().c_str ());
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
367 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
368
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
369 uint8NDArray
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diff changeset
370 latex_renderer::render (const std::string& txt, int halign)
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diff changeset
371 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
372 // Render if it was not already done
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
373 gh_manager& gh_mgr = octave::__get_gh_manager__ ();
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diff changeset
374
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
375 gh_manager::latex_data ldata = gh_mgr.get_latex_data (key (txt, halign));
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376
31607
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diff changeset
377 if (! ldata.first.isempty ())
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diff changeset
378 return ldata.first;
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diff changeset
379
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
380 uint8NDArray data;
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diff changeset
381
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
382 // First write the base .tex file
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
383 std::string base_file_name = write_tex_file (txt, halign);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
384
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
385 if (base_file_name.empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
386 return data;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
387
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
388 // Generate DVI file
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
389 std::string tex_file = quote_string (base_file_name + ".tex");
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
390 std::string dvi_file = quote_string (base_file_name + ".dvi");
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
391 std::string log_file = quote_string (base_file_name + ".log");
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
392
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
393 process_execution_result result;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
394 std::string cmd = (m_latex_binary + " -interaction=nonstopmode "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
395 + "-output-directory=" + quote_string (m_tmp_dir) + " "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
396 + tex_file);
29470
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 #if defined (OCTAVE_USE_WINDOWS_API)
31607
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diff changeset
399 cmd = quote_string (cmd);
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2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
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diff changeset
400 #endif
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
401
31607
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diff changeset
402 result = run_command_and_return_output (cmd);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
403
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
404 if (result.exit_status () != 0)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
405 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
406 warn_helper ("latex", txt, cmd, result);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
407
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
408 if (txt != "?")
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
409 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
410 write_tex_file ("?", halign);
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
411
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
412 result = run_command_and_return_output (cmd);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
413 if (result.exit_status () != 0)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
414 return data;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
415 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
416 else
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
417 return data;
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
418 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
419
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
420 double size_factor = m_fontsize / 10.0;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
421
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
422
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
423 // Convert DVI to SVG, read file and store its content for later use in
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
424 // gl2ps_print
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
425 std::string svg_file = base_file_name + ".svg";
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
426
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
427 cmd = (m_dvisvg_binary + " -n "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
428 + "-TS" + std::to_string (size_factor) + " "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
429 + "-v1 -o " + quote_string (svg_file) + " "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
430 + dvi_file);
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
431
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
432 #if defined (OCTAVE_USE_WINDOWS_API)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
433 cmd = quote_string (cmd);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
434 #endif
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
435
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
436 result = run_command_and_return_output (cmd);
30299
f306fe9bfa0d Limit the size of the cache of latex parsed strings (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 29950
diff changeset
437
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
438 if (result.exit_status () != 0)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
439 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
440 warn_helper ("dvisvg", txt, cmd, result);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
441 return data;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
442 }
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
443
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
444 std::ifstream svg_stream (svg_file);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
445 std::string svg_string;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
446 svg_string.assign (std::istreambuf_iterator<char> (svg_stream),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
447 std::istreambuf_iterator<char> ());
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
448
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
449 // Convert DVI to PNG, read file and format pixel data for later use in
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
450 // OpenGL
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
451 std::string png_file = base_file_name + ".png";
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
452
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
453 cmd = (m_dvipng_binary + " " + dvi_file + " "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
454 + "-q -o " + quote_string (png_file) + " "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
455 + "-bg Transparent -D "
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
456 + std::to_string (std::floor (72.0 * size_factor)));
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
457
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
458 #if defined (OCTAVE_USE_WINDOWS_API)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
459 cmd = quote_string (cmd);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
460 #endif
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
461
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
462 result = run_command_and_return_output (cmd);
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
463
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
464 if (result.exit_status () != 0)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
465 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
466 warn_helper ("dvipng", txt, cmd, result);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
467 return data;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
468 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
469
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
470 if (! read_image (png_file, data))
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
471 return data;
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
472
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
473 // Cache pixel and svg data for this string
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
474 ldata.first = data;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
475 ldata.second = svg_string;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
476
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
477 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
478
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
479 if (m_debug)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
480 std::cout << "* Caching " << key (txt, halign) << std::endl;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
481
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
482 return data;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
483 }
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
484
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
485 void
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
486 latex_renderer::text_to_pixels (const std::string& txt, uint8NDArray& pixels,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
487 Matrix& bbox, int halign, int valign,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
488 double rotation,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
489 const caseless_str& /*interpreter*/,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
490 bool handle_rotation)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
491 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
492 // Return early for empty strings
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
493 if (txt.empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
494 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
495 bbox = Matrix (1, 4, 0.0);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
496 return;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
497 }
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
498
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
499 if (ok ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
500 pixels = render (txt, halign);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
501 else
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
502 pixels = uint8NDArray (dim_vector (4, 1, 1), static_cast<uint8_t> (0));
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
503
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
504 if (pixels.ndims () < 3 || pixels.isempty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
505 return; // nothing to render
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
506
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
507 // Store unrotated bbox size
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
508 bbox = Matrix (1, 4, 0.0);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
509 bbox (2) = pixels.dim2 ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
510 bbox (3) = pixels.dim3 ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
511
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
512 // Now rotate pixels if necessary
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
513 int rot_mode = rotation_to_mode (rotation);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
514
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
515 if (! pixels.isempty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
516 rotate_pixels (pixels, rot_mode);
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
517
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
518 // Move X0 and Y0 depending on alignments and eventually swap values
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
519 // for text rotated 90° 180° or 270°
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
520 fix_bbox_anchor (bbox, halign, valign, rot_mode, handle_rotation);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
521 }
29470
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff changeset
522
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
523 base_text_renderer *
31771
21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents: 31706
diff changeset
524 make_latex_text_renderer ()
31607
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
525 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
526 latex_renderer *renderer = new latex_renderer ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
527
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
528 return renderer;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents: 31605
diff changeset
529 }
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 31211
diff changeset
530
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 31211
diff changeset
531 OCTAVE_END_NAMESPACE(octave)