Mercurial > octave
annotate src/octave-svgconvert.cc @ 29470:2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
* NEWS: Announce basic support for "latex" interpreter.
* plot.txi: Restructure the "Use of the interpreter Property" section to include
3 subsections, one for each interpreter type. In "Printing and Saving Plots"
describe the new behavior.
* print.m: Document new behavior.
* contributors.in: Add Andrej Lojdl, a former GSoC student that worked on this
subject. Even though there is not much left of his original work, it served
as a very useful starting point.
* base-text-renderer.h, base-text-renderer.cc: New enum to store symbolic
constants for rotation angles.
(base_text_renderer::rotate_pixels): New utility method. Code extracted
from ft_text_renderer::render.
(base_text_renderer::rotation_to_mode): Moved from ft_text_renderer class.
(base_text_renderer::fix_bbox_anchor): New utility method. Code extracted
from ft_text_renderer::text_to_pixels.
* ft_text_renderer.cc (ft_text_renderer::render,
ft_text_renderer::text_to_pixels): Make use of base class utility functions.
* gl2ps-print.cc: New counter variable m_svg_def_index for safe inclusion of
defs coming from dvisvgm.
(gl2ps_renderer::format_svg_element): New function to manipulate svg elements
obtained from dvisvgm so as to position them properly on the figure and
change their color.
(gl2ps_renderer::strlist_to_svg): If the str_list object returned from
text_to_strlist contains an svg element, use format_svg_element to handle
position and color and then return it. Otherwise, use <g> and <text> elements
rather than <text> and <tspan> elements which are not supported by Qt's svg
renderer (svg-tiny implementation).
(gl2ps_renderer::strlist_to_ps): If the str_list object returned from
text_to_strlist contains an svg element, raise a warning about the
necessity of using -svgconvert.
* latex-text-renderer.h, latex-text-renderer.cc: New files to hold the
latex_interpreter class.
* libinterp/corefcn/module.mk: Add new files to the build system.
* text-renderer.h, text-renderer.cc (text_renderer): New data member latex_rep
to hold a pointer to an instance of a latex_renderer.
(text_renderer::~text_renderer, get_extent, set_anti_aliasing, set_font,
set_color, text_to_pixels, text_to_strlist): Duplicate action of the
latex_rep.
(text_renderer::latex_ok): New method to test the usability of the
latex_renderer.
(text_renderer::string::svg_element, text_renderer::string::set_svg_element,
text_renderer::string::get_svg_element): New string data member to hold
preformated svg element. Provide accessor methods.
* acinclude.m4: Add QtSvg to the list of imported QT_MODULES.
* octave-svgconvert.cc: Overhaul program to make use of Qt's QSvgRenderer
when rendering to PDF.
author | Pantxo Diribarne <pantxo.diribarne@gmail.com> |
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date | Mon, 22 Mar 2021 21:32:54 +0100 |
parents | 0a5b15007766 |
children | 67f1d5fc69bb |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2017-2021 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 // <http://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #include <iostream> |
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27 |
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28 #include <QtCore> |
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29 #include <QtXml> |
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30 |
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31 #include <QApplication> |
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32 #include <QFontDatabase> |
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33 #include <QImage> |
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34 #include <QPainter> |
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35 #include <QPrinter> |
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36 #include <QRegExp> |
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37 #include <QSvgRenderer> |
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38 |
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39 // Render to pdf |
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40 class pdfpainter : public QPainter |
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41 { |
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42 public: |
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43 pdfpainter (QString fname, QRectF sz, double dpi) |
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44 : m_printer () |
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45 { |
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46 double scl = dpi / 72.0; |
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47 sz.setWidth (sz.width () * scl); |
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48 sz.setHeight (sz.height () * scl); |
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49 |
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50 // Printer settings |
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51 m_printer.setOutputFormat (QPrinter::PdfFormat); |
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52 m_printer.setFontEmbeddingEnabled (true); |
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53 m_printer.setOutputFileName (fname); |
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54 m_printer.setFullPage (true); |
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55 m_printer.setPaperSize (sz.size (), QPrinter::DevicePixel); |
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56 } |
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57 |
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58 ~pdfpainter (void) { } |
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59 |
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60 void render (const QByteArray svg_content) |
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61 { |
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62 QSvgRenderer renderer (svg_content); |
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63 begin (&m_printer); |
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64 renderer.render (this); |
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65 end (); |
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66 } |
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67 |
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68 private: |
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69 QPrinter m_printer; |
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70 }; |
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71 |
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72 // String conversion functions |
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73 |
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74 QVector<QPointF> qstr2ptsvector (QString str) |
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75 { |
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76 QVector<QPointF> pts; |
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77 str = str.trimmed (); |
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78 str.replace (" ", ","); |
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79 QStringList coords = str.split (","); |
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80 for (QStringList::iterator p = coords.begin (); p != coords.end (); p += 2) |
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81 { |
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82 QPointF pt ((*p).toDouble (), (*(p+1)).toDouble ()); |
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83 pts.append (pt); |
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84 } |
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85 return pts; |
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86 } |
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87 |
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88 // Polygon reconstruction class |
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89 class octave_polygon |
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90 { |
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91 public: |
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92 octave_polygon (void) |
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93 { } |
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94 |
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95 octave_polygon (QPolygonF p) |
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96 { m_polygons.push_back (p); } |
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97 |
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98 ~octave_polygon (void) { } |
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99 |
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100 int count (void) const |
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101 { return m_polygons.count (); } |
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102 |
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103 void reset (void) |
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104 { m_polygons.clear (); } |
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105 |
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106 QList<QPolygonF> reconstruct (void) |
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107 { |
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108 if (m_polygons.isEmpty ()) |
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109 return QList<QPolygonF> (); |
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110 |
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111 // Once a polygon has been merged to another, it is marked unsuded |
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112 QVector<bool> unused; |
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113 for (auto it = m_polygons.begin (); it != m_polygons.end (); it++) |
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114 unused.push_back (false); |
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115 |
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116 bool tryagain = (m_polygons.count () > 1); |
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117 |
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118 while (tryagain) |
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119 { |
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120 tryagain = false; |
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121 for (auto ii = 0; ii < m_polygons.count (); ii++) |
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122 { |
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123 if (! unused[ii]) |
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124 { |
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125 QPolygonF polygon = m_polygons[ii]; |
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126 for (auto jj = ii+1; jj < m_polygons.count (); jj++) |
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127 { |
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128 if (! unused[jj]) |
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129 { |
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130 QPolygonF newpoly = mergepoly (polygon, m_polygons[jj]); |
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131 if (newpoly.count ()) |
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132 { |
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133 polygon = newpoly; |
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134 m_polygons[ii] = newpoly; |
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135 unused[jj] = true; |
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136 tryagain = true; |
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137 } |
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138 } |
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139 } |
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140 } |
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141 } |
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142 } |
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143 |
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144 // Try to remove cracks in polygons |
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145 for (auto ii = 0; ii < m_polygons.count (); ii++) |
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146 { |
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147 QPolygonF polygon = m_polygons[ii]; |
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148 tryagain = ! unused[ii]; |
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149 |
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150 while (tryagain && polygon.count () > 4) |
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151 { |
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152 tryagain = false; |
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153 QVector<int> del; |
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154 |
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155 for (auto jj = 1; jj < (polygon.count () - 1); jj++) |
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156 if (polygon[jj-1] == polygon[jj+1]) |
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157 { |
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158 if (! del.contains (jj)) |
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159 del.push_front (jj); |
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160 |
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161 del.push_front (jj+1); |
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162 } |
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163 |
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164 for (auto idx : del) |
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165 polygon.remove (idx); |
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166 |
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167 if (del.count ()) |
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168 tryagain = true; |
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169 } |
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170 m_polygons[ii] = polygon; |
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171 } |
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172 |
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173 // FIXME: There may still be residual cracks, we should do something like |
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174 // resetloop = 2; |
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175 // while (resetloop) |
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176 // currface = shift (currface, 1); |
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177 // if (currface(1) == currface(3)) |
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178 // currface([2 3]) = []; |
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179 // resetloop = 2; |
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180 // else |
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181 // resetloop--; |
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182 // endif |
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183 // endwhile |
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184 |
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185 QList<QPolygonF> retval; |
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186 for (int ii = 0; ii < m_polygons.count (); ii++) |
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187 { |
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188 QPolygonF polygon = m_polygons[ii]; |
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189 if (! unused[ii] && polygon.count () > 2) |
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190 retval.push_back (polygon); |
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191 } |
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192 |
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193 return retval; |
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194 } |
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195 |
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196 static inline |
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197 bool eq (QPointF p1, QPointF p2) |
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198 { |
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199 return ((qAbs (p1.x () - p2.x ()) |
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200 <= 0.00001 * qMin (qAbs (p1.x ()), qAbs (p2.x ()))) |
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201 && (qAbs (p1.y () - p2.y ()) |
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202 <= 0.00001 * qMin (qAbs (p1.y ()), qAbs (p2.y ())))); |
26027
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203 } |
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204 |
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205 static |
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206 QPolygonF mergepoly (QPolygonF poly1, QPolygonF poly2) |
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207 { |
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208 // Close polygon contour |
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209 poly1.push_back (poly1[0]); |
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210 poly2.push_back (poly2[0]); |
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211 |
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212 for (int ii = 0; ii < (poly1.size () - 1); ii++) |
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213 { |
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214 for (int jj = 0; jj < (poly2.size () - 1); jj++) |
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215 { |
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216 bool forward = (eq (poly1[ii], poly2[jj]) |
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217 && eq (poly1[ii+1], poly2[jj+1])); |
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218 bool backward = ! forward && (eq (poly1[ii], poly2[jj+1]) |
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219 && eq (poly1[ii+1], poly2[jj])); |
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220 |
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221 if (forward || backward) |
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222 { |
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223 // Unclose contour |
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224 poly1.pop_back (); |
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225 poly2.pop_back (); |
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226 |
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227 QPolygonF merged; |
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228 for (int kk = 0; kk < (ii+1); kk++) |
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229 merged.push_back (poly1[kk]); |
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230 |
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231 // Shift vertices and eliminate the common edge |
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232 std::rotate (poly2.begin (), poly2.begin () + jj, poly2.end ()); |
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233 poly2.erase (poly2.begin ()); |
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234 poly2.erase (poly2.begin ()); |
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235 |
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236 if (forward) |
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237 for (int kk = poly2.size (); kk > 0; kk--) |
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238 merged.push_back (poly2[kk-1]); |
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239 else |
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240 for (int kk = 0; kk < poly2.size (); kk++) |
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241 merged.push_back (poly2[kk]); |
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242 |
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243 for (int kk = ii+1; kk < poly1.size (); kk++) |
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244 merged.push_back (poly1[kk]); |
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245 |
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246 // Return row vector |
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247 QPolygonF out (merged.size ()); |
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248 for (int kk = 0; kk < merged.size (); kk++) |
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249 out[kk] = merged[kk]; |
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250 |
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251 return out; |
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252 } |
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253 } |
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254 } |
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255 return QPolygonF (); |
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256 } |
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257 |
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258 void add (QPolygonF p) |
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259 { |
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260 if (m_polygons.count () == 0) |
27934
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261 m_polygons.push_back (p); |
26027
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262 else |
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263 { |
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264 QPolygonF tmp = mergepoly (m_polygons.back (), p); |
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265 if (tmp.count ()) |
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266 m_polygons.back () = tmp; |
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267 else |
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268 m_polygons.push_back (p); |
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269 } |
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270 } |
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271 |
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272 private: |
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273 QList<QPolygonF> m_polygons; |
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274 }; |
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275 |
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276 // Append a list of reconstructed child polygons to a QDomElement and remove |
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277 // the original nodes |
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278 |
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279 void replace_polygons (QDomElement& parent_elt, QList<QDomNode> orig, |
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280 QList<QPolygonF> polygons) |
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281 { |
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282 if (! orig.count () || (orig.count () == polygons.count ())) |
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283 return; |
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284 |
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285 QDomNode last = orig.last (); |
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286 for (int ii = 0; ii < polygons.count (); ii++) |
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287 { |
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288 QPolygonF polygon = polygons[ii]; |
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289 |
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290 QDomNode node = last.cloneNode (); |
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291 |
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292 QString pts; |
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293 |
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294 for (int jj = 0; jj < polygon.count (); jj++) |
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295 { |
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296 pts += QString ("%1,%2 ").arg (polygon[jj].x ()) |
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297 .arg (polygon[jj].y ()); |
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298 } |
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299 |
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300 node.toElement ().setAttribute ("points", pts.trimmed ()); |
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301 |
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302 if (! last.isNull ()) |
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303 last = parent_elt.insertAfter (node, last); |
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304 } |
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305 |
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306 for (int ii = 0; ii < orig.count (); ii++) |
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307 parent_elt.removeChild (orig.at (ii)); |
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308 } |
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309 |
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310 void reconstruct_polygons (QDomElement& parent_elt) |
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311 { |
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312 QDomNodeList nodes = parent_elt.childNodes (); |
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313 QColor current_color; |
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314 QList<QDomNode> replaced_nodes; |
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315 octave_polygon current_polygon; |
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316 |
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317 // Collection of child nodes to be removed and polygons to be added |
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318 QList< QPair<QList<QDomNode>,QList<QPolygonF> > > collection; |
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319 |
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320 for (int ii = 0; ii < nodes.count (); ii++) |
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321 { |
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322 QDomNode node = nodes.at (ii); |
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323 if (! node.isElement ()) |
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324 continue; |
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325 |
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326 QDomElement elt = node.toElement (); |
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327 |
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328 if (elt.tagName () == "polygon") |
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329 { |
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330 QString str = elt.attribute ("fill"); |
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331 if (! str.isEmpty ()) |
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332 { |
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333 QColor color (str); |
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334 str = elt.attribute ("fill-opacity"); |
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335 if (! str.isEmpty ()) |
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336 { |
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337 double alpha = str.toDouble (); |
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338 if (alpha != 1.0 && alpha >= 0.0) |
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339 color.setAlphaF (alpha); |
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340 } |
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341 |
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342 if (! current_polygon.count ()) |
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343 current_color = color; |
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344 |
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345 if (color != current_color) |
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346 { |
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347 // Reconstruct the previous series of triangles |
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348 QList<QPolygonF> polygons = current_polygon.reconstruct (); |
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349 collection.push_back (QPair<QList<QDomNode>,QList<QPolygonF> > |
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350 (replaced_nodes, polygons)); |
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351 |
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352 replaced_nodes.clear (); |
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353 current_polygon.reset (); |
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354 |
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355 current_color = color; |
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356 } |
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357 |
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358 QPolygonF p (qstr2ptsvector (elt.attribute ("points"))); |
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359 current_polygon.add (p); |
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360 replaced_nodes.push_back (node); |
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361 } |
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362 } |
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363 else |
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364 { |
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365 if (current_polygon.count ()) |
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366 { |
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367 QList<QPolygonF> polygons = current_polygon.reconstruct (); |
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368 collection.push_back (QPair<QList<QDomNode>,QList<QPolygonF> > |
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369 (replaced_nodes, polygons)); |
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370 replaced_nodes.clear (); |
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371 current_polygon.reset (); |
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372 } |
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373 reconstruct_polygons (elt); |
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374 } |
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375 } |
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376 |
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377 // Finish |
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378 collection.push_back (QPair<QList<QDomNode>,QList<QPolygonF> > |
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379 (replaced_nodes, current_polygon.reconstruct ())); |
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380 |
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381 for (int ii = 0; ii < collection.count (); ii++) |
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382 replace_polygons (parent_elt, collection[ii].first, collection[ii].second); |
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383 } |
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384 |
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385 // Split "text" elements into single characters elements |
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386 void split_strings (QDomElement& parent_elt) |
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387 { |
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388 QDomNodeList nodes = parent_elt.childNodes (); |
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389 |
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390 for (int ii = 0; ii < nodes.count (); ii++) |
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391 { |
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392 QDomNode node = nodes.at (ii); |
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changeset
|
393 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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diff
changeset
|
394 if (! node.isElement ()) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
395 continue; |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
396 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
397 QDomElement elt = node.toElement (); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
398 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
399 if (elt.tagName () == "text") |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
400 { |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
401 QString str = elt.attribute ("x"); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
402 if (! str.isEmpty ()) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
403 { |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
404 QStringList xx = elt.attribute ("x").split (" "); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
405 str = elt.text (); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
406 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
407 if (! str.isEmpty () && xx.count () > 1) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
408 { |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
409 QDomNode last_node = node; |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
410 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
411 for (int jj = 0; jj < (xx.count ()) && (jj < str.size ()); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
412 jj++) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
413 { |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
414 if (! last_node.isNull ()) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
415 { |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
416 QDomNode new_node = node.cloneNode (); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
417 new_node.toElement ().setAttribute ("x", xx.at (jj)); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
418 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
419 QDomNodeList subnodes = new_node.childNodes (); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
420 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
421 // Change the text node of this element |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
422 for (int kk = 0; kk < subnodes.count (); kk++) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
423 if (subnodes.at (kk).isText ()) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
424 subnodes.at (kk).toText ().setData (str.at (jj)); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
425 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
426 parent_elt.insertAfter (new_node, last_node); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
427 last_node = new_node; |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
428 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
429 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
430 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
431 parent_elt.removeChild (node); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
432 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
433 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
434 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
435 else |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
436 split_strings (elt); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
437 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
438 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
439 |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
440 int main(int argc, char *argv[]) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
441 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
442 const char *doc = "See \"octave-svgconvert -h\""; |
27277
db687716fed6
style fixes: generally aim to break long lines before operators, not after
John W. Eaton <jwe@octave.org>
parents:
26993
diff
changeset
|
443 const char *help = "Usage:\n\ |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
444 octave-svgconvert infile fmt dpi font reconstruct outfile\n\n\ |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
445 Convert svg file to pdf, or svg. All arguments are mandatory:\n\ |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
446 * infile: input svg file or \"-\" to indicate that the input svg file should be \ |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
447 read from stdin\n\ |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
448 * fmt: format of the output file. May be one of pdf or svg\n\ |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
449 * dpi: device dependent resolution in screen pixel per inch\n\ |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
450 * font: specify a file name for the default FreeSans font\n\ |
27956
2310164737b3
fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents:
26993
diff
changeset
|
451 * reconstruct: specify whether to reconstruct triangle to polygons (0 or 1)\n\ |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
452 * outfile: output file name\n"; |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26063
diff
changeset
|
453 |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
454 if (strcmp (argv[1], "-h") == 0) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
455 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
456 std::cout << help; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
457 return 0; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
458 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
459 else if (argc != 7) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
460 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
461 std::cerr << help; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
462 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
463 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
464 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
465 // Open svg file |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
466 QFile file; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
467 if (strcmp (argv[1], "-") != 0) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
468 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
469 // Read from file |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
470 file.setFileName (argv[1]); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
471 if (! file.open (QIODevice::ReadOnly | QIODevice::Text)) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
472 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
473 std::cerr << "Unable to open file " << argv[1] << "\n"; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
474 std::cerr << help; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
475 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
476 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
477 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
478 else |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
479 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
480 // Read from stdin |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
481 if (! file.open (stdin, QIODevice::ReadOnly | QIODevice::Text)) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
482 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
483 std::cerr << "Unable read from stdin\n"; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
484 std::cerr << doc; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
485 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
486 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
487 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
488 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
489 // Create a DOM document and load the svg file |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
490 QDomDocument document; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
491 QString msg; |
27934
49a0d90cd2a3
maint: Use Octave coding conventions in src/ directory.
Rik <rik@octave.org>
parents:
27923
diff
changeset
|
492 if (! document.setContent (&file, false, &msg)) |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
493 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
494 std::cerr << "Failed to parse XML contents" << std::endl |
29470
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
495 << msg.toStdString () << std::endl; |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
496 file.close(); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
497 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
498 } |
26993
119353eb6b38
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26647
diff
changeset
|
499 |
26647
903c9a39e051
Make sure octave-svgconvert encodes SVG documents in UTF8 (bug #55612)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26617
diff
changeset
|
500 file.close (); |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
501 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
502 // Format |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
503 if (strcmp (argv[2], "pdf") != 0 && strcmp (argv[2], "svg") != 0) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
504 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
505 std::cerr << "Unhandled output file format " << argv[2] << "\n"; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
506 std::cerr << doc; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
507 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
508 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
509 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
510 // Resolution |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
511 double dpi = QString (argv[3]).toDouble (); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
512 if (dpi <= 0.0) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
513 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
514 std::cerr << "DPI must be positive\n"; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
515 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
516 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
517 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
518 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
519 // Get the viewport from the root element |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
520 QDomElement root = document.firstChildElement(); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
521 double x0, y0, dx, dy; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
522 QString s = root.attribute ("viewBox"); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
523 QTextStream (&s) >> x0 >> y0 >> dx >> dy; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
524 QRectF vp (x0, y0, dx, dy); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
525 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
526 // Setup application and add default FreeSans font if needed |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
527 QApplication a (argc, argv); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
528 |
26063
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
529 // When printing to PDF we may need the default FreeSans font |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
530 if (! strcmp (argv[2], "pdf")) |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
531 { |
26063
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
532 QFont font ("FreeSans"); |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
533 if (! font.exactMatch ()) |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
534 { |
26063
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
535 QString fontpath (argv[4]); |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
536 if (! fontpath.isEmpty ()) |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
537 { |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
538 int id = QFontDatabase::addApplicationFont (fontpath); |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
539 if (id < 0) |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26063
diff
changeset
|
540 std::cerr << "warning: print: " |
27934
49a0d90cd2a3
maint: Use Octave coding conventions in src/ directory.
Rik <rik@octave.org>
parents:
27923
diff
changeset
|
541 "Unable to add default font to database\n"; |
26063
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
542 } |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
543 else |
4407b315339d
print.m: Fix localization of the default font file (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26042
diff
changeset
|
544 std::cerr << "warning: print: FreeSans font not found\n"; |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
545 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
546 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
547 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
548 // First render in a temporary file |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
549 QTemporaryFile fout; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
550 if (! fout.open ()) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
551 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
552 std::cerr << "Could not open temporary file\n"; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
553 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
554 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
555 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
556 // Do basic polygons reconstruction |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
557 if (QString (argv[5]).toInt ()) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
558 reconstruct_polygons (root); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
559 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
560 // Draw |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
561 if (! strcmp (argv[2], "pdf")) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
562 { |
29470
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
563 // Remove clippath which is not supported in svg-tiny |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
564 QDomNodeList lst = root.elementsByTagName ("clipPath"); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
565 for (int ii = lst.count (); ii > 0; ii--) |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
566 lst.at (ii-1).parentNode ().removeChild (lst.at (ii-1)); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
567 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
568 // Split text strings into single characters with single x coordinates |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
569 split_strings (root); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
570 |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
571 // PDF painter |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
572 pdfpainter painter (fout.fileName (), vp, dpi); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
573 |
29470
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29358
diff
changeset
|
574 painter.render (document.toByteArray ()); |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
575 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
576 else |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
577 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
578 // Return modified svg document |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
579 QTextStream out (&fout); |
26647
903c9a39e051
Make sure octave-svgconvert encodes SVG documents in UTF8 (bug #55612)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26617
diff
changeset
|
580 out.setCodec ("UTF-8"); |
903c9a39e051
Make sure octave-svgconvert encodes SVG documents in UTF8 (bug #55612)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26617
diff
changeset
|
581 out << document.toByteArray (); |
26027
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
582 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
583 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
584 // Delete output file before writing with new data |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
585 if (QFile::exists (argv[6])) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
586 if (! QFile::remove (argv[6])) |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
587 { |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
588 std::cerr << "Unable to replace existing file " << argv[6] << "\n"; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
589 return -1; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
590 } |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
591 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
592 fout.copy (argv[6]); |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
593 |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
594 return 0; |
98d7a111786a
Add SVG convertion option for printing to PDF and raster outputs (bug #52193)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
changeset
|
595 } |