<!DOCTYPE html> <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>PIL.PcfFontFile — Pillow (PIL Fork) 5.4.1 documentation</title> <script type="text/javascript" src="../../_static/js/modernizr.min.js"></script> <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></script> <script type="text/javascript" src="../../_static/jquery.js"></script> <script type="text/javascript" src="../../_static/underscore.js"></script> <script type="text/javascript" src="../../_static/doctools.js"></script> <script type="text/javascript" src="../../_static/language_data.js"></script> <script type="text/javascript" src="../../_static/js/script.js"></script> <script type="text/javascript" src="../../_static/js/theme.js"></script> <link 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href="../../index.html">Pillow (PIL Fork)</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="breadcrumbs navigation"> <ul class="wy-breadcrumbs"> <li><a href="../../index.html">Docs</a> »</li> <li><a href="../index.html">Module code</a> »</li> <li>PIL.PcfFontFile</li> <li class="wy-breadcrumbs-aside"> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <h1>Source code for PIL.PcfFontFile</h1><div class="highlight"><pre> <span></span><span class="c1">#</span> <span class="c1"># THIS IS WORK IN PROGRESS</span> <span class="c1">#</span> <span class="c1"># The Python Imaging Library</span> <span class="c1"># $Id$</span> <span class="c1">#</span> <span class="c1"># portable compiled font file parser</span> <span class="c1">#</span> <span class="c1"># history:</span> <span class="c1"># 1997-08-19 fl created</span> <span class="c1"># 2003-09-13 fl fixed loading of unicode fonts</span> <span class="c1">#</span> <span class="c1"># Copyright (c) 1997-2003 by Secret Labs AB.</span> <span class="c1"># Copyright (c) 1997-2003 by Fredrik Lundh.</span> <span class="c1">#</span> <span class="c1"># See the README file for information on usage and redistribution.</span> <span class="c1">#</span> <span class="kn">from</span> <span class="nn">.</span> <span class="k">import</span> <span class="n">Image</span><span class="p">,</span> <span class="n">FontFile</span> <span class="kn">from</span> <span class="nn">._binary</span> <span class="k">import</span> <span class="n">i8</span><span class="p">,</span> <span class="n">i16le</span> <span class="k">as</span> <span class="n">l16</span><span class="p">,</span> <span class="n">i32le</span> <span class="k">as</span> <span class="n">l32</span><span class="p">,</span> <span class="n">i16be</span> <span class="k">as</span> <span class="n">b16</span><span class="p">,</span> <span class="n">i32be</span> <span class="k">as</span> <span class="n">b32</span> <span class="c1"># --------------------------------------------------------------------</span> <span class="c1"># declarations</span> <span class="n">PCF_MAGIC</span> <span class="o">=</span> <span class="mh">0x70636601</span> <span class="c1"># "\x01fcp"</span> <span class="n">PCF_PROPERTIES</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">0</span><span class="p">)</span> <span class="n">PCF_ACCELERATORS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">1</span><span class="p">)</span> <span class="n">PCF_METRICS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">2</span><span class="p">)</span> <span class="n">PCF_BITMAPS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">3</span><span class="p">)</span> <span class="n">PCF_INK_METRICS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">4</span><span class="p">)</span> <span class="n">PCF_BDF_ENCODINGS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">5</span><span class="p">)</span> <span class="n">PCF_SWIDTHS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">6</span><span class="p">)</span> <span class="n">PCF_GLYPH_NAMES</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">7</span><span class="p">)</span> <span class="n">PCF_BDF_ACCELERATORS</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="mi">8</span><span class="p">)</span> <span class="n">BYTES_PER_ROW</span> <span class="o">=</span> <span class="p">[</span> <span class="k">lambda</span> <span class="n">bits</span><span class="p">:</span> <span class="p">((</span><span class="n">bits</span><span class="o">+</span><span class="mi">7</span><span class="p">)</span> <span class="o">>></span> <span class="mi">3</span><span class="p">),</span> <span class="k">lambda</span> <span class="n">bits</span><span class="p">:</span> <span class="p">((</span><span class="n">bits</span><span class="o">+</span><span class="mi">15</span><span class="p">)</span> <span class="o">>></span> <span class="mi">3</span><span class="p">)</span> <span class="o">&</span> <span class="o">~</span><span class="mi">1</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">bits</span><span class="p">:</span> <span class="p">((</span><span class="n">bits</span><span class="o">+</span><span class="mi">31</span><span class="p">)</span> <span class="o">>></span> <span class="mi">3</span><span class="p">)</span> <span class="o">&</span> <span class="o">~</span><span class="mi">3</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">bits</span><span class="p">:</span> <span class="p">((</span><span class="n">bits</span><span class="o">+</span><span class="mi">63</span><span class="p">)</span> <span class="o">>></span> <span class="mi">3</span><span class="p">)</span> <span class="o">&</span> <span class="o">~</span><span class="mi">7</span><span class="p">,</span> <span class="p">]</span> <div class="viewcode-block" id="sz"><a class="viewcode-back" href="../../PIL.html#PIL.PcfFontFile.sz">[docs]</a><span class="k">def</span> <span class="nf">sz</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">o</span><span class="p">):</span> <span class="k">return</span> <span class="n">s</span><span class="p">[</span><span class="n">o</span><span class="p">:</span><span class="n">s</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="sa">b</span><span class="s2">"</span><span class="se">\0</span><span class="s2">"</span><span class="p">,</span> <span class="n">o</span><span class="p">)]</span></div> <span class="c1">##</span> <span class="c1"># Font file plugin for the X11 PCF format.</span> <div class="viewcode-block" id="PcfFontFile"><a class="viewcode-back" href="../../PIL.html#PIL.PcfFontFile.PcfFontFile">[docs]</a><span class="k">class</span> <span class="nc">PcfFontFile</span><span class="p">(</span><span class="n">FontFile</span><span class="o">.</span><span class="n">FontFile</span><span class="p">):</span> <span class="n">name</span> <span class="o">=</span> <span class="s2">"name"</span> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">fp</span><span class="p">):</span> <span class="n">magic</span> <span class="o">=</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="k">if</span> <span class="n">magic</span> <span class="o">!=</span> <span class="n">PCF_MAGIC</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">SyntaxError</span><span class="p">(</span><span class="s2">"not a PCF file"</span><span class="p">)</span> <span class="n">FontFile</span><span class="o">.</span><span class="n">FontFile</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="n">count</span> <span class="o">=</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="bp">self</span><span class="o">.</span><span class="n">toc</span> <span class="o">=</span> <span class="p">{}</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">count</span><span class="p">):</span> <span class="nb">type</span> <span class="o">=</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="bp">self</span><span class="o">.</span><span class="n">toc</span><span class="p">[</span><span class="nb">type</span><span class="p">]</span> <span class="o">=</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">)),</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">)),</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="bp">self</span><span class="o">.</span><span class="n">fp</span> <span class="o">=</span> <span class="n">fp</span> <span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_properties</span><span class="p">()</span> <span class="n">metrics</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_metrics</span><span class="p">()</span> <span class="n">bitmaps</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_bitmaps</span><span class="p">(</span><span class="n">metrics</span><span class="p">)</span> <span class="n">encoding</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_encoding</span><span class="p">()</span> <span class="c1">#</span> <span class="c1"># create glyph structure</span> <span class="k">for</span> <span class="n">ch</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">):</span> <span class="n">ix</span> <span class="o">=</span> <span class="n">encoding</span><span class="p">[</span><span class="n">ch</span><span class="p">]</span> <span class="k">if</span> <span class="n">ix</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">l</span><span class="p">,</span> <span class="n">r</span><span class="p">,</span> <span class="n">w</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="n">f</span> <span class="o">=</span> <span class="n">metrics</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span> <span class="n">glyph</span> <span class="o">=</span> <span class="p">(</span><span class="n">w</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="p">(</span><span class="n">l</span><span class="p">,</span> <span class="n">d</span><span class="o">-</span><span class="n">y</span><span class="p">,</span> <span class="n">x</span><span class="o">+</span><span class="n">l</span><span class="p">,</span> <span class="n">d</span><span class="p">),</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">),</span> <span class="n">bitmaps</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span> <span class="bp">self</span><span class="o">.</span><span class="n">glyph</span><span class="p">[</span><span class="n">ch</span><span class="p">]</span> <span class="o">=</span> <span class="n">glyph</span> <span class="k">def</span> <span class="nf">_getformat</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">tag</span><span class="p">):</span> <span class="nb">format</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="n">offset</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">toc</span><span class="p">[</span><span class="n">tag</span><span class="p">]</span> <span class="n">fp</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fp</span> <span class="n">fp</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="n">offset</span><span class="p">)</span> <span class="nb">format</span> <span class="o">=</span> <span class="n">l32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="k">if</span> <span class="nb">format</span> <span class="o">&</span> <span class="mi">4</span><span class="p">:</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="o">=</span> <span class="n">b16</span><span class="p">,</span> <span class="n">b32</span> <span class="k">else</span><span class="p">:</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="o">=</span> <span class="n">l16</span><span class="p">,</span> <span class="n">l32</span> <span class="k">return</span> <span class="n">fp</span><span class="p">,</span> <span class="nb">format</span><span class="p">,</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="k">def</span> <span class="nf">_load_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c1">#</span> <span class="c1"># font properties</span> <span class="n">properties</span> <span class="o">=</span> <span class="p">{}</span> <span class="n">fp</span><span class="p">,</span> <span class="nb">format</span><span class="p">,</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getformat</span><span class="p">(</span><span class="n">PCF_PROPERTIES</span><span class="p">)</span> <span class="n">nprops</span> <span class="o">=</span> <span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="c1"># read property description</span> <span class="n">p</span> <span class="o">=</span> <span class="p">[]</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">nprops</span><span class="p">):</span> <span class="n">p</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">)),</span> <span class="n">i8</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">)),</span> <span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))))</span> <span class="k">if</span> <span class="n">nprops</span> <span class="o">&</span> <span class="mi">3</span><span class="p">:</span> <span class="n">fp</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="mi">4</span> <span class="o">-</span> <span class="p">(</span><span class="n">nprops</span> <span class="o">&</span> <span class="mi">3</span><span class="p">),</span> <span class="mi">1</span><span class="p">)</span> <span class="c1"># pad</span> <span class="n">data</span> <span class="o">=</span> <span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">)))</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">s</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">p</span><span class="p">:</span> <span class="n">k</span> <span class="o">=</span> <span class="n">sz</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">k</span><span class="p">)</span> <span class="k">if</span> <span class="n">s</span><span class="p">:</span> <span class="n">v</span> <span class="o">=</span> <span class="n">sz</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span> <span class="n">properties</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="n">v</span> <span class="k">return</span> <span class="n">properties</span> <span class="k">def</span> <span class="nf">_load_metrics</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c1">#</span> <span class="c1"># font metrics</span> <span class="n">metrics</span> <span class="o">=</span> <span class="p">[]</span> <span class="n">fp</span><span class="p">,</span> <span class="nb">format</span><span class="p">,</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getformat</span><span class="p">(</span><span class="n">PCF_METRICS</span><span class="p">)</span> <span class="n">append</span> <span class="o">=</span> <span class="n">metrics</span><span class="o">.</span><span class="n">append</span> <span class="k">if</span> <span class="p">(</span><span class="nb">format</span> <span class="o">&</span> <span class="mh">0xff00</span><span class="p">)</span> <span class="o">==</span> <span class="mh">0x100</span><span class="p">:</span> <span class="c1"># "compressed" metrics</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))):</span> <span class="n">left</span> <span class="o">=</span> <span class="n">i8</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">))</span> <span class="o">-</span> <span class="mi">128</span> <span class="n">right</span> <span class="o">=</span> <span class="n">i8</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">))</span> <span class="o">-</span> <span class="mi">128</span> <span class="n">width</span> <span class="o">=</span> <span class="n">i8</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">))</span> <span class="o">-</span> <span class="mi">128</span> <span class="n">ascent</span> <span class="o">=</span> <span class="n">i8</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">))</span> <span class="o">-</span> <span class="mi">128</span> <span class="n">descent</span> <span class="o">=</span> <span class="n">i8</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">))</span> <span class="o">-</span> <span class="mi">128</span> <span class="n">xsize</span> <span class="o">=</span> <span class="n">right</span> <span class="o">-</span> <span class="n">left</span> <span class="n">ysize</span> <span class="o">=</span> <span class="n">ascent</span> <span class="o">+</span> <span class="n">descent</span> <span class="n">append</span><span class="p">(</span> <span class="p">(</span><span class="n">xsize</span><span class="p">,</span> <span class="n">ysize</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="n">ascent</span><span class="p">,</span> <span class="n">descent</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="c1"># "jumbo" metrics</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))):</span> <span class="n">left</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">right</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">width</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">ascent</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">descent</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">attributes</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">xsize</span> <span class="o">=</span> <span class="n">right</span> <span class="o">-</span> <span class="n">left</span> <span class="n">ysize</span> <span class="o">=</span> <span class="n">ascent</span> <span class="o">+</span> <span class="n">descent</span> <span class="n">append</span><span class="p">(</span> <span class="p">(</span><span class="n">xsize</span><span class="p">,</span> <span class="n">ysize</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="n">ascent</span><span class="p">,</span> <span class="n">descent</span><span class="p">,</span> <span class="n">attributes</span><span class="p">)</span> <span class="p">)</span> <span class="k">return</span> <span class="n">metrics</span> <span class="k">def</span> <span class="nf">_load_bitmaps</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">metrics</span><span class="p">):</span> <span class="c1">#</span> <span class="c1"># bitmap data</span> <span class="n">bitmaps</span> <span class="o">=</span> <span class="p">[]</span> <span class="n">fp</span><span class="p">,</span> <span class="nb">format</span><span class="p">,</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getformat</span><span class="p">(</span><span class="n">PCF_BITMAPS</span><span class="p">)</span> <span class="n">nbitmaps</span> <span class="o">=</span> <span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span> <span class="k">if</span> <span class="n">nbitmaps</span> <span class="o">!=</span> <span class="nb">len</span><span class="p">(</span><span class="n">metrics</span><span class="p">):</span> <span class="k">raise</span> <span class="ne">IOError</span><span class="p">(</span><span class="s2">"Wrong number of bitmaps"</span><span class="p">)</span> <span class="n">offsets</span> <span class="o">=</span> <span class="p">[]</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">nbitmaps</span><span class="p">):</span> <span class="n">offsets</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">)))</span> <span class="n">bitmapSizes</span> <span class="o">=</span> <span class="p">[]</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">4</span><span class="p">):</span> <span class="n">bitmapSizes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">i32</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">)))</span> <span class="c1"># byteorder = format & 4 # non-zero => MSB</span> <span class="n">bitorder</span> <span class="o">=</span> <span class="nb">format</span> <span class="o">&</span> <span class="mi">8</span> <span class="c1"># non-zero => MSB</span> <span class="n">padindex</span> <span class="o">=</span> <span class="nb">format</span> <span class="o">&</span> <span class="mi">3</span> <span class="n">bitmapsize</span> <span class="o">=</span> <span class="n">bitmapSizes</span><span class="p">[</span><span class="n">padindex</span><span class="p">]</span> <span class="n">offsets</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">bitmapsize</span><span class="p">)</span> <span class="n">data</span> <span class="o">=</span> <span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">bitmapsize</span><span class="p">)</span> <span class="n">pad</span> <span class="o">=</span> <span class="n">BYTES_PER_ROW</span><span class="p">[</span><span class="n">padindex</span><span class="p">]</span> <span class="n">mode</span> <span class="o">=</span> <span class="s2">"1;R"</span> <span class="k">if</span> <span class="n">bitorder</span><span class="p">:</span> <span class="n">mode</span> <span class="o">=</span> <span class="s2">"1"</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">nbitmaps</span><span class="p">):</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">l</span><span class="p">,</span> <span class="n">r</span><span class="p">,</span> <span class="n">w</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">d</span><span class="p">,</span> <span class="n">f</span> <span class="o">=</span> <span class="n">metrics</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="n">b</span><span class="p">,</span> <span class="n">e</span> <span class="o">=</span> <span class="n">offsets</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="n">offsets</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">]</span> <span class="n">bitmaps</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="n">Image</span><span class="o">.</span><span class="n">frombytes</span><span class="p">(</span><span class="s2">"1"</span><span class="p">,</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">),</span> <span class="n">data</span><span class="p">[</span><span class="n">b</span><span class="p">:</span><span class="n">e</span><span class="p">],</span> <span class="s2">"raw"</span><span class="p">,</span> <span class="n">mode</span><span class="p">,</span> <span class="n">pad</span><span class="p">(</span><span class="n">x</span><span class="p">))</span> <span class="p">)</span> <span class="k">return</span> <span class="n">bitmaps</span> <span class="k">def</span> <span class="nf">_load_encoding</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c1"># map character code to bitmap index</span> <span class="n">encoding</span> <span class="o">=</span> <span class="p">[</span><span class="kc">None</span><span class="p">]</span> <span class="o">*</span> <span class="mi">256</span> <span class="n">fp</span><span class="p">,</span> <span class="nb">format</span><span class="p">,</span> <span class="n">i16</span><span class="p">,</span> <span class="n">i32</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getformat</span><span class="p">(</span><span class="n">PCF_BDF_ENCODINGS</span><span class="p">)</span> <span class="n">firstCol</span><span class="p">,</span> <span class="n">lastCol</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">)),</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">firstRow</span><span class="p">,</span> <span class="n">lastRow</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">)),</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="c1"># default</span> <span class="n">nencoding</span> <span class="o">=</span> <span class="p">(</span><span class="n">lastCol</span> <span class="o">-</span> <span class="n">firstCol</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">*</span> <span class="p">(</span><span class="n">lastRow</span> <span class="o">-</span> <span class="n">firstRow</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">nencoding</span><span class="p">):</span> <span class="n">encodingOffset</span> <span class="o">=</span> <span class="n">i16</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="k">if</span> <span class="n">encodingOffset</span> <span class="o">!=</span> <span class="mh">0xFFFF</span><span class="p">:</span> <span class="k">try</span><span class="p">:</span> <span class="n">encoding</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="n">firstCol</span><span class="p">]</span> <span class="o">=</span> <span class="n">encodingOffset</span> <span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span> <span class="k">break</span> <span class="c1"># only load ISO-8859-1 glyphs</span> <span class="k">return</span> <span class="n">encoding</span></div> </pre></div> </div> </div> <footer> <hr/> <div role="contentinfo"> <p> © Copyright 1995-2011 Fredrik Lundh, 2010-2018 Alex Clark and Contributors </p> </div> Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. </footer> </div> </div> </section> </div> <script type="text/javascript"> jQuery(function () { SphinxRtdTheme.Navigation.enable(true); }); </script> </body> </html>