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<h1>Source code for PIL.PaletteFile</h1><div class="highlight"><pre>
<span></span><span class="c1">#</span>
<span class="c1"># Python Imaging Library</span>
<span class="c1"># $Id$</span>
<span class="c1">#</span>
<span class="c1"># stuff to read simple, teragon-style palette files</span>
<span class="c1">#</span>
<span class="c1"># History:</span>
<span class="c1"># 97-08-23 fl Created</span>
<span class="c1">#</span>
<span class="c1"># Copyright (c) Secret Labs AB 1997.</span>
<span class="c1"># Copyright (c) Fredrik Lundh 1997.</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">._binary</span> <span class="k">import</span> <span class="n">o8</span>
<span class="c1">##</span>
<span class="c1"># File handler for Teragon-style palette files.</span>
<div class="viewcode-block" id="PaletteFile"><a class="viewcode-back" href="../../PIL.html#PIL.PaletteFile.PaletteFile">[docs]</a><span class="k">class</span> <span class="nc">PaletteFile</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="n">rawmode</span> <span class="o">=</span> <span class="s2">"RGB"</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="bp">self</span><span class="o">.</span><span class="n">palette</span> <span class="o">=</span> <span class="p">[(</span><span class="n">i</span><span class="p">,</span> <span class="n">i</span><span class="p">,</span> <span class="n">i</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">256</span><span class="p">)]</span>
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">fp</span><span class="o">.</span><span class="n">readline</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">s</span><span class="p">:</span>
<span class="k">break</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="sa">b</span><span class="s2">"#"</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="o">></span> <span class="mi">100</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">SyntaxError</span><span class="p">(</span><span class="s2">"bad palette file"</span><span class="p">)</span>
<span class="n">v</span> <span class="o">=</span> <span class="p">[</span><span class="nb">int</span><span class="p">(</span><span class="n">x</span><span class="p">)</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">s</span><span class="o">.</span><span class="n">split</span><span class="p">()]</span>
<span class="k">try</span><span class="p">:</span>
<span class="p">[</span><span class="n">i</span><span class="p">,</span> <span class="n">r</span><span class="p">,</span> <span class="n">g</span><span class="p">,</span> <span class="n">b</span><span class="p">]</span> <span class="o">=</span> <span class="n">v</span>
<span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span>
<span class="p">[</span><span class="n">i</span><span class="p">,</span> <span class="n">r</span><span class="p">]</span> <span class="o">=</span> <span class="n">v</span>
<span class="n">g</span> <span class="o">=</span> <span class="n">b</span> <span class="o">=</span> <span class="n">r</span>
<span class="k">if</span> <span class="mi">0</span> <span class="o"><=</span> <span class="n">i</span> <span class="o"><=</span> <span class="mi">255</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">o8</span><span class="p">(</span><span class="n">r</span><span class="p">)</span> <span class="o">+</span> <span class="n">o8</span><span class="p">(</span><span class="n">g</span><span class="p">)</span> <span class="o">+</span> <span class="n">o8</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span> <span class="o">=</span> <span class="sa">b</span><span class="s2">""</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">)</span>
<div class="viewcode-block" id="PaletteFile.getpalette"><a class="viewcode-back" href="../../PIL.html#PIL.PaletteFile.PaletteFile.getpalette">[docs]</a> <span class="k">def</span> <span class="nf">getpalette</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span></div></div>
</pre></div>
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