<!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.PSDraw — 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 rel="stylesheet" href="../../_static/css/theme.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <link rel="author" title="About these documents" href="../../about.html" /> <link rel="index" title="Index" href="../../genindex.html" /> <link rel="search" title="Search" href="../../search.html" /> </head> <body class="wy-body-for-nav"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search" > <a href="../../index.html" class="icon icon-home"> Pillow (PIL Fork) </a> <div class="version"> 5.4.1 </div> <div role="search"> <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get"> <input type="text" name="q" placeholder="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> <ul> <li class="toctree-l1"><a class="reference internal" href="../../installation.html">Installation</a></li> <li class="toctree-l1"><a class="reference internal" href="../../handbook/index.html">Handbook</a></li> <li class="toctree-l1"><a class="reference internal" href="../../reference/index.html">Reference</a></li> <li class="toctree-l1"><a class="reference internal" href="../../porting.html">Porting</a></li> <li class="toctree-l1"><a class="reference internal" href="../../about.html">About</a></li> <li class="toctree-l1"><a class="reference internal" href="../../releasenotes/index.html">Release Notes</a></li> <li class="toctree-l1"><a class="reference internal" href="../../deprecations.html">Deprecations and removals</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" aria-label="top navigation"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a 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.PSDraw</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.PSDraw</h1><div class="highlight"><pre> <span></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"># simple postscript graphics interface</span> <span class="c1">#</span> <span class="c1"># History:</span> <span class="c1"># 1996-04-20 fl Created</span> <span class="c1"># 1999-01-10 fl Added gsave/grestore to image method</span> <span class="c1"># 2005-05-04 fl Fixed floating point issue in image (from Eric Etheridge)</span> <span class="c1">#</span> <span class="c1"># Copyright (c) 1997-2005 by Secret Labs AB. All rights reserved.</span> <span class="c1"># Copyright (c) 1996 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">EpsImagePlugin</span> <span class="kn">from</span> <span class="nn">._util</span> <span class="k">import</span> <span class="n">py3</span> <span class="kn">import</span> <span class="nn">sys</span> <span class="c1">##</span> <span class="c1"># Simple Postscript graphics interface.</span> <div class="viewcode-block" id="PSDraw"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw">[docs]</a><span class="k">class</span> <span class="nc">PSDraw</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> Sets up printing to the given file. If **fp** is omitted,</span> <span class="sd"> :py:attr:`sys.stdout` is assumed.</span> <span class="sd"> """</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="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">fp</span><span class="p">:</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">stdout</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="k">def</span> <span class="nf">_fp_write</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">to_write</span><span class="p">):</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">py3</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">fp</span> <span class="o">==</span> <span class="n">sys</span><span class="o">.</span><span class="n">stdout</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">write</span><span class="p">(</span><span class="n">to_write</span><span class="p">)</span> <span class="k">else</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">write</span><span class="p">(</span><span class="nb">bytes</span><span class="p">(</span><span class="n">to_write</span><span class="p">,</span> <span class="s1">'UTF-8'</span><span class="p">))</span> <div class="viewcode-block" id="PSDraw.begin_document"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.begin_document">[docs]</a> <span class="k">def</span> <span class="nf">begin_document</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">id</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="sd">"""Set up printing of a document. (Write Postscript DSC header.)"""</span> <span class="c1"># FIXME: incomplete</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"%!PS-Adobe-3.0</span><span class="se">\n</span><span class="s2">"</span> <span class="s2">"save</span><span class="se">\n</span><span class="s2">"</span> <span class="s2">"/showpage { } def</span><span class="se">\n</span><span class="s2">"</span> <span class="s2">"</span><span class="si">%%</span><span class="s2">EndComments</span><span class="se">\n</span><span class="s2">"</span> <span class="s2">"</span><span class="si">%%</span><span class="s2">BeginDocument</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span> <span class="c1"># self._fp_write(ERROR_PS) # debugging!</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="n">EDROFF_PS</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="n">VDI_PS</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="si">%%</span><span class="s2">EndProlog</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">isofont</span> <span class="o">=</span> <span class="p">{}</span></div> <div class="viewcode-block" id="PSDraw.end_document"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.end_document">[docs]</a> <span class="k">def</span> <span class="nf">end_document</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="sd">"""Ends printing. (Write Postscript DSC footer.)"""</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="si">%%</span><span class="s2">EndDocument</span><span class="se">\n</span><span class="s2">"</span> <span class="s2">"restore showpage</span><span class="se">\n</span><span class="s2">"</span> <span class="s2">"</span><span class="si">%%</span><span class="s2">End</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fp</span><span class="p">,</span> <span class="s2">"flush"</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">flush</span><span class="p">()</span></div> <div class="viewcode-block" id="PSDraw.setfont"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.setfont">[docs]</a> <span class="k">def</span> <span class="nf">setfont</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">font</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> Selects which font to use.</span> <span class="sd"> :param font: A Postscript font name</span> <span class="sd"> :param size: Size in points.</span> <span class="sd"> """</span> <span class="k">if</span> <span class="n">font</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">isofont</span><span class="p">:</span> <span class="c1"># reencode font</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"/PSDraw-</span><span class="si">%s</span><span class="s2"> ISOLatin1Encoding /</span><span class="si">%s</span><span class="s2"> E</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">font</span><span class="p">,</span> <span class="n">font</span><span class="p">))</span> <span class="bp">self</span><span class="o">.</span><span class="n">isofont</span><span class="p">[</span><span class="n">font</span><span class="p">]</span> <span class="o">=</span> <span class="mi">1</span> <span class="c1"># rough</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"/F0 </span><span class="si">%d</span><span class="s2"> /PSDraw-</span><span class="si">%s</span><span class="s2"> F</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">size</span><span class="p">,</span> <span class="n">font</span><span class="p">))</span></div> <div class="viewcode-block" id="PSDraw.line"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.line">[docs]</a> <span class="k">def</span> <span class="nf">line</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xy0</span><span class="p">,</span> <span class="n">xy1</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> Draws a line between the two points. Coordinates are given in</span> <span class="sd"> Postscript point coordinates (72 points per inch, (0, 0) is the lower</span> <span class="sd"> left corner of the page).</span> <span class="sd"> """</span> <span class="n">xy</span> <span class="o">=</span> <span class="n">xy0</span> <span class="o">+</span> <span class="n">xy1</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="si">%d</span><span class="s2"> </span><span class="si">%d</span><span class="s2"> </span><span class="si">%d</span><span class="s2"> </span><span class="si">%d</span><span class="s2"> Vl</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="n">xy</span><span class="p">)</span></div> <div class="viewcode-block" id="PSDraw.rectangle"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.rectangle">[docs]</a> <span class="k">def</span> <span class="nf">rectangle</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">box</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> Draws a rectangle.</span> <span class="sd"> :param box: A 4-tuple of integers whose order and function is currently</span> <span class="sd"> undocumented.</span> <span class="sd"> Hint: the tuple is passed into this format string:</span> <span class="sd"> .. code-block:: python</span> <span class="sd"> %d %d M %d %d 0 Vr\n</span> <span class="sd"> """</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="si">%d</span><span class="s2"> </span><span class="si">%d</span><span class="s2"> M </span><span class="si">%d</span><span class="s2"> </span><span class="si">%d</span><span class="s2"> 0 Vr</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="n">box</span><span class="p">)</span></div> <div class="viewcode-block" id="PSDraw.text"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.text">[docs]</a> <span class="k">def</span> <span class="nf">text</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xy</span><span class="p">,</span> <span class="n">text</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> Draws text at the given position. You must use</span> <span class="sd"> :py:meth:`~PIL.PSDraw.PSDraw.setfont` before calling this method.</span> <span class="sd"> """</span> <span class="n">text</span> <span class="o">=</span> <span class="s2">"</span><span class="se">\\</span><span class="s2">("</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">text</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">"("</span><span class="p">))</span> <span class="n">text</span> <span class="o">=</span> <span class="s2">"</span><span class="se">\\</span><span class="s2">)"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">text</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">")"</span><span class="p">))</span> <span class="n">xy</span> <span class="o">=</span> <span class="n">xy</span> <span class="o">+</span> <span class="p">(</span><span class="n">text</span><span class="p">,)</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="si">%d</span><span class="s2"> </span><span class="si">%d</span><span class="s2"> M (</span><span class="si">%s</span><span class="s2">) S</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="n">xy</span><span class="p">)</span></div> <div class="viewcode-block" id="PSDraw.image"><a class="viewcode-back" href="../../reference/PSDraw.html#PIL.PSDraw.PSDraw.image">[docs]</a> <span class="k">def</span> <span class="nf">image</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">box</span><span class="p">,</span> <span class="n">im</span><span class="p">,</span> <span class="n">dpi</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="sd">"""Draw a PIL image, centered in the given box."""</span> <span class="c1"># default resolution depends on mode</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">dpi</span><span class="p">:</span> <span class="k">if</span> <span class="n">im</span><span class="o">.</span><span class="n">mode</span> <span class="o">==</span> <span class="s2">"1"</span><span class="p">:</span> <span class="n">dpi</span> <span class="o">=</span> <span class="mi">200</span> <span class="c1"># fax</span> <span class="k">else</span><span class="p">:</span> <span class="n">dpi</span> <span class="o">=</span> <span class="mi">100</span> <span class="c1"># greyscale</span> <span class="c1"># image size (on paper)</span> <span class="n">x</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">im</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="mi">72</span><span class="p">)</span> <span class="o">/</span> <span class="n">dpi</span> <span class="n">y</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">im</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="mi">72</span><span class="p">)</span> <span class="o">/</span> <span class="n">dpi</span> <span class="c1"># max allowed size</span> <span class="n">xmax</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">box</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="o">-</span> <span class="n">box</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="n">ymax</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">box</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="o">-</span> <span class="n">box</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span> <span class="k">if</span> <span class="n">x</span> <span class="o">></span> <span class="n">xmax</span><span class="p">:</span> <span class="n">y</span> <span class="o">=</span> <span class="n">y</span> <span class="o">*</span> <span class="n">xmax</span> <span class="o">/</span> <span class="n">x</span> <span class="n">x</span> <span class="o">=</span> <span class="n">xmax</span> <span class="k">if</span> <span class="n">y</span> <span class="o">></span> <span class="n">ymax</span><span class="p">:</span> <span class="n">x</span> <span class="o">=</span> <span class="n">x</span> <span class="o">*</span> <span class="n">ymax</span> <span class="o">/</span> <span class="n">y</span> <span class="n">y</span> <span class="o">=</span> <span class="n">ymax</span> <span class="n">dx</span> <span class="o">=</span> <span class="p">(</span><span class="n">xmax</span> <span class="o">-</span> <span class="n">x</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span> <span class="o">+</span> <span class="n">box</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="n">dy</span> <span class="o">=</span> <span class="p">(</span><span class="n">ymax</span> <span class="o">-</span> <span class="n">y</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span> <span class="o">+</span> <span class="n">box</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"gsave</span><span class="se">\n</span><span class="si">%f</span><span class="s2"> </span><span class="si">%f</span><span class="s2"> translate</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">dx</span><span class="p">,</span> <span class="n">dy</span><span class="p">))</span> <span class="k">if</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="o">!=</span> <span class="n">im</span><span class="o">.</span><span class="n">size</span><span class="p">:</span> <span class="c1"># EpsImagePlugin._save prints the image at (0,0,xsize,ysize)</span> <span class="n">sx</span> <span class="o">=</span> <span class="n">x</span> <span class="o">/</span> <span class="n">im</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="n">sy</span> <span class="o">=</span> <span class="n">y</span> <span class="o">/</span> <span class="n">im</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="si">%f</span><span class="s2"> </span><span class="si">%f</span><span class="s2"> scale</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">sx</span><span class="p">,</span> <span class="n">sy</span><span class="p">))</span> <span class="n">EpsImagePlugin</span><span class="o">.</span><span class="n">_save</span><span class="p">(</span><span class="n">im</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">fp</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fp_write</span><span class="p">(</span><span class="s2">"</span><span class="se">\n</span><span class="s2">grestore</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span></div></div> <span class="c1"># --------------------------------------------------------------------</span> <span class="c1"># Postscript driver</span> <span class="c1">#</span> <span class="c1"># EDROFF.PS -- Postscript driver for Edroff 2</span> <span class="c1">#</span> <span class="c1"># History:</span> <span class="c1"># 94-01-25 fl: created (edroff 2.04)</span> <span class="c1">#</span> <span class="c1"># Copyright (c) Fredrik Lundh 1994.</span> <span class="c1">#</span> <span class="n">EDROFF_PS</span> <span class="o">=</span> <span class="s2">"""</span><span class="se">\</span> <span class="s2">/S { show } bind def</span> <span class="s2">/P { moveto show } bind def</span> <span class="s2">/M { moveto } bind def</span> <span class="s2">/X { 0 rmoveto } bind def</span> <span class="s2">/Y { 0 exch rmoveto } bind def</span> <span class="s2">/E { findfont</span> <span class="s2"> dup maxlength dict begin</span> <span class="s2"> {</span> <span class="s2"> 1 index /FID ne { def } { pop pop } ifelse</span> <span class="s2"> } forall</span> <span class="s2"> /Encoding exch def</span> <span class="s2"> dup /FontName exch def</span> <span class="s2"> currentdict end definefont pop</span> <span class="s2">} bind def</span> <span class="s2">/F { findfont exch scalefont dup setfont</span> <span class="s2"> [ exch /setfont cvx ] cvx bind def</span> <span class="s2">} bind def</span> <span class="s2">"""</span> <span class="c1">#</span> <span class="c1"># VDI.PS -- Postscript driver for VDI meta commands</span> <span class="c1">#</span> <span class="c1"># History:</span> <span class="c1"># 94-01-25 fl: created (edroff 2.04)</span> <span class="c1">#</span> <span class="c1"># Copyright (c) Fredrik Lundh 1994.</span> <span class="c1">#</span> <span class="n">VDI_PS</span> <span class="o">=</span> <span class="s2">"""</span><span class="se">\</span> <span class="s2">/Vm { moveto } bind def</span> <span class="s2">/Va { newpath arcn stroke } bind def</span> <span class="s2">/Vl { moveto lineto stroke } bind def</span> <span class="s2">/Vc { newpath 0 360 arc closepath } bind def</span> <span class="s2">/Vr { exch dup 0 rlineto</span> <span class="s2"> exch dup neg 0 exch rlineto</span> <span class="s2"> exch neg 0 rlineto</span> <span class="s2"> 0 exch rlineto</span> <span class="s2"> 100 div setgray fill 0 setgray } bind def</span> <span class="s2">/Tm matrix def</span> <span class="s2">/Ve { Tm currentmatrix pop</span> <span class="s2"> translate scale newpath 0 0 .5 0 360 arc closepath</span> <span class="s2"> Tm setmatrix</span> <span class="s2">} bind def</span> <span class="s2">/Vf { currentgray exch setgray fill setgray } bind def</span> <span class="s2">"""</span> <span class="c1">#</span> <span class="c1"># ERROR.PS -- Error handler</span> <span class="c1">#</span> <span class="c1"># History:</span> <span class="c1"># 89-11-21 fl: created (pslist 1.10)</span> <span class="c1">#</span> <span class="n">ERROR_PS</span> <span class="o">=</span> <span class="s2">"""</span><span class="se">\</span> <span class="s2">/landscape false def</span> <span class="s2">/errorBUF 200 string def</span> <span class="s2">/errorNL { currentpoint 10 sub exch pop 72 exch moveto } def</span> <span class="s2">errordict begin /handleerror {</span> <span class="s2"> initmatrix /Courier findfont 10 scalefont setfont</span> <span class="s2"> newpath 72 720 moveto $error begin /newerror false def</span> <span class="s2"> (PostScript Error) show errorNL errorNL</span> <span class="s2"> (Error: ) show</span> <span class="s2"> /errorname load errorBUF cvs show errorNL errorNL</span> <span class="s2"> (Command: ) show</span> <span class="s2"> /command load dup type /stringtype ne { errorBUF cvs } if show</span> <span class="s2"> errorNL errorNL</span> <span class="s2"> (VMstatus: ) show</span> <span class="s2"> vmstatus errorBUF cvs show ( bytes available, ) show</span> <span class="s2"> errorBUF cvs show ( bytes used at level ) show</span> <span class="s2"> errorBUF cvs show errorNL errorNL</span> <span class="s2"> (Operand stargck: ) show errorNL /ostargck load {</span> <span class="s2"> dup type /stringtype ne { errorBUF cvs } if 72 0 rmoveto show errorNL</span> <span class="s2"> } forall errorNL</span> <span class="s2"> (Execution stargck: ) show errorNL /estargck load {</span> <span class="s2"> dup type /stringtype ne { errorBUF cvs } if 72 0 rmoveto show errorNL</span> <span class="s2"> } forall</span> <span class="s2"> end showpage</span> <span class="s2">} def end</span> <span class="s2">"""</span> </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 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