<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>PIL.ImageMode — Pillow (PIL fork) 2.2.0 documentation</title> <link rel="stylesheet" href="../../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../', VERSION: '2.2.0', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </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> <link rel="top" title="Pillow (PIL fork) 2.2.0 documentation" href="../../index.html" /> <link rel="up" title="Module code" href="../index.html" /> </head> <body> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li><a href="../../index.html">Pillow (PIL fork) 2.2.0 documentation</a> »</li> <li><a href="../index.html" accesskey="U">Module code</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <h1>Source code for PIL.ImageMode</h1><div class="highlight"><pre> <span class="c">#</span> <span class="c"># The Python Imaging Library.</span> <span class="c"># $Id$</span> <span class="c">#</span> <span class="c"># standard mode descriptors</span> <span class="c">#</span> <span class="c"># History:</span> <span class="c"># 2006-03-20 fl Added</span> <span class="c">#</span> <span class="c"># Copyright (c) 2006 by Secret Labs AB.</span> <span class="c"># Copyright (c) 2006 by Fredrik Lundh.</span> <span class="c">#</span> <span class="c"># See the README file for information on usage and redistribution.</span> <span class="c">#</span> <span class="c"># mode descriptor cache</span> <span class="n">_modes</span> <span class="o">=</span> <span class="p">{}</span> <span class="c">##</span> <span class="c"># Wrapper for mode strings.</span> <div class="viewcode-block" id="ModeDescriptor"><a class="viewcode-back" href="../../PIL.html#PIL.ImageMode.ModeDescriptor">[docs]</a><span class="k">class</span> <span class="nc">ModeDescriptor</span><span class="p">:</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">mode</span><span class="p">,</span> <span class="n">bands</span><span class="p">,</span> <span class="n">basemode</span><span class="p">,</span> <span class="n">basetype</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">=</span> <span class="n">mode</span> <span class="bp">self</span><span class="o">.</span><span class="n">bands</span> <span class="o">=</span> <span class="n">bands</span> <span class="bp">self</span><span class="o">.</span><span class="n">basemode</span> <span class="o">=</span> <span class="n">basemode</span> <span class="bp">self</span><span class="o">.</span><span class="n">basetype</span> <span class="o">=</span> <span class="n">basetype</span> <span class="k">def</span> <span class="nf">__str__</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">mode</span> <span class="c">##</span> <span class="c"># Gets a mode descriptor for the given mode.</span> </div> <div class="viewcode-block" id="getmode"><a class="viewcode-back" href="../../PIL.html#PIL.ImageMode.getmode">[docs]</a><span class="k">def</span> <span class="nf">getmode</span><span class="p">(</span><span class="n">mode</span><span class="p">):</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">_modes</span><span class="p">:</span> <span class="c"># initialize mode cache</span> <span class="kn">from</span> <span class="nn">PIL</span> <span class="kn">import</span> <span class="n">Image</span> <span class="c"># core modes</span> <span class="k">for</span> <span class="n">m</span><span class="p">,</span> <span class="p">(</span><span class="n">basemode</span><span class="p">,</span> <span class="n">basetype</span><span class="p">,</span> <span class="n">bands</span><span class="p">)</span> <span class="ow">in</span> <span class="n">Image</span><span class="o">.</span><span class="n">_MODEINFO</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> <span class="n">_modes</span><span class="p">[</span><span class="n">m</span><span class="p">]</span> <span class="o">=</span> <span class="n">ModeDescriptor</span><span class="p">(</span><span class="n">m</span><span class="p">,</span> <span class="n">bands</span><span class="p">,</span> <span class="n">basemode</span><span class="p">,</span> <span class="n">basetype</span><span class="p">)</span> <span class="c"># extra experimental modes</span> <span class="n">_modes</span><span class="p">[</span><span class="s">"LA"</span><span class="p">]</span> <span class="o">=</span> <span class="n">ModeDescriptor</span><span class="p">(</span><span class="s">"LA"</span><span class="p">,</span> <span class="p">(</span><span class="s">"L"</span><span class="p">,</span> <span class="s">"A"</span><span class="p">),</span> <span class="s">"L"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">)</span> <span class="n">_modes</span><span class="p">[</span><span class="s">"PA"</span><span class="p">]</span> <span class="o">=</span> <span class="n">ModeDescriptor</span><span class="p">(</span><span class="s">"PA"</span><span class="p">,</span> <span class="p">(</span><span class="s">"P"</span><span class="p">,</span> <span class="s">"A"</span><span class="p">),</span> <span class="s">"RGB"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">)</span> <span class="c"># mapping modes</span> <span class="n">_modes</span><span class="p">[</span><span class="s">"I;16"</span><span class="p">]</span> <span class="o">=</span> <span class="n">ModeDescriptor</span><span class="p">(</span><span class="s">"I;16"</span><span class="p">,</span> <span class="s">"I"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">)</span> <span class="n">_modes</span><span class="p">[</span><span class="s">"I;16L"</span><span class="p">]</span> <span class="o">=</span> <span class="n">ModeDescriptor</span><span class="p">(</span><span class="s">"I;16L"</span><span class="p">,</span> <span class="s">"I"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">)</span> <span class="n">_modes</span><span class="p">[</span><span class="s">"I;16B"</span><span class="p">]</span> <span class="o">=</span> <span class="n">ModeDescriptor</span><span class="p">(</span><span class="s">"I;16B"</span><span class="p">,</span> <span class="s">"I"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">,</span> <span class="s">"L"</span><span class="p">)</span> <span class="k">return</span> <span class="n">_modes</span><span class="p">[</span><span class="n">mode</span><span class="p">]</span></div> </pre></div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../../search.html" method="get"> <input 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