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<div class="section" id="module-matplotlib.backends.backend_pdf">
<span id="matplotlib-backends-backend-pdf"></span><h1><a class="reference internal" href="#module-matplotlib.backends.backend_pdf" title="matplotlib.backends.backend_pdf"><code class="xref py py-mod docutils literal"><span class="pre">matplotlib.backends.backend_pdf</span></code></a><a class="headerlink" href="#module-matplotlib.backends.backend_pdf" title="Permalink to this headline">¶</a></h1>
<p>A PDF matplotlib backend
Author: Jouni K Seppänen <<a class="reference external" href="mailto:jks%40iki.fi">jks<span>@</span>iki<span>.</span>fi</a>></p>
<dl class="attribute">
<dt id="matplotlib.backends.backend_pdf.FigureCanvas">
<code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">FigureCanvas</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.FigureCanvas" title="Permalink to this definition">¶</a></dt>
<dd><p>alias of <a class="reference internal" href="#matplotlib.backends.backend_pdf.FigureCanvasPdf" title="matplotlib.backends.backend_pdf.FigureCanvasPdf"><code class="xref py py-class docutils literal"><span class="pre">FigureCanvasPdf</span></code></a></p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.FigureCanvasPdf">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">FigureCanvasPdf</code><span class="sig-paren">(</span><em>figure</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.FigureCanvasPdf" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.FigureCanvasBase" title="matplotlib.backend_bases.FigureCanvasBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.backend_bases.FigureCanvasBase</span></code></a></p>
<p>The canvas the figure renders into. Calls the draw and print fig
methods, creates the renderers, etc...</p>
<p>Public attribute</p>
<blockquote>
<div>figure - A Figure instance</div></blockquote>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.Name">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">Name</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Name" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>PDF name object.</p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.Operator">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">Operator</code><span class="sig-paren">(</span><em>op</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Operator" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>PDF operator object.</p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.PdfFile">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">PdfFile</code><span class="sig-paren">(</span><em>filename</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>PDF file object.</p>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.alphaState">
<code class="descname">alphaState</code><span class="sig-paren">(</span><em>alpha</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.alphaState" title="Permalink to this definition">¶</a></dt>
<dd><p>Return name of an ExtGState that sets alpha to the given value</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.embedTTF">
<code class="descname">embedTTF</code><span class="sig-paren">(</span><em>filename</em>, <em>characters</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.embedTTF" title="Permalink to this definition">¶</a></dt>
<dd><p>Embed the TTF font from the named file into the document.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.fontName">
<code class="descname">fontName</code><span class="sig-paren">(</span><em>fontprop</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.fontName" title="Permalink to this definition">¶</a></dt>
<dd><p>Select a font based on fontprop and return a name suitable for
Op.selectfont. If fontprop is a string, it will be interpreted
as the filename (or dvi name) of the font.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.imageObject">
<code class="descname">imageObject</code><span class="sig-paren">(</span><em>image</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.imageObject" title="Permalink to this definition">¶</a></dt>
<dd><p>Return name of an image XObject representing the given image.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.markerObject">
<code class="descname">markerObject</code><span class="sig-paren">(</span><em>path</em>, <em>trans</em>, <em>fill</em>, <em>stroke</em>, <em>lw</em>, <em>joinstyle</em>, <em>capstyle</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.markerObject" title="Permalink to this definition">¶</a></dt>
<dd><p>Return name of a marker XObject representing the given path.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.reserveObject">
<code class="descname">reserveObject</code><span class="sig-paren">(</span><em>name=''</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.reserveObject" title="Permalink to this definition">¶</a></dt>
<dd><p>Reserve an ID for an indirect object.
The name is used for debugging in case we forget to print out
the object with writeObject.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeInfoDict">
<code class="descname">writeInfoDict</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeInfoDict" title="Permalink to this definition">¶</a></dt>
<dd><p>Write out the info dictionary, checking it for good form</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeTrailer">
<code class="descname">writeTrailer</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeTrailer" title="Permalink to this definition">¶</a></dt>
<dd><p>Write out the PDF trailer.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeXref">
<code class="descname">writeXref</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeXref" title="Permalink to this definition">¶</a></dt>
<dd><p>Write out the xref table.</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.PdfPages">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">PdfPages</code><span class="sig-paren">(</span><em>filename</em>, <em>keep_empty=True</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>A multi-page PDF file.</p>
<p class="rubric">Notes</p>
<p>In reality <a class="reference internal" href="#matplotlib.backends.backend_pdf.PdfPages" title="matplotlib.backends.backend_pdf.PdfPages"><code class="xref py py-class docutils literal"><span class="pre">PdfPages</span></code></a> is a thin wrapper around <a class="reference internal" href="#matplotlib.backends.backend_pdf.PdfFile" title="matplotlib.backends.backend_pdf.PdfFile"><code class="xref py py-class docutils literal"><span class="pre">PdfFile</span></code></a>, in
order to avoid confusion when using <a class="reference internal" href="pyplot_api.html#matplotlib.pyplot.savefig" title="matplotlib.pyplot.savefig"><code class="xref py py-func docutils literal"><span class="pre">savefig()</span></code></a> and
forgetting the format argument.</p>
<p class="rubric">Examples</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="k">as</span> <span class="nn">plt</span>
<span class="gp">>>> </span><span class="c1"># Initialize:</span>
<span class="gp">>>> </span><span class="k">with</span> <span class="n">PdfPages</span><span class="p">(</span><span class="s1">'foo.pdf'</span><span class="p">)</span> <span class="k">as</span> <span class="n">pdf</span><span class="p">:</span>
<span class="gp">... </span> <span class="c1"># As many times as you like, create a figure fig and save it:</span>
<span class="gp">... </span> <span class="n">fig</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">figure</span><span class="p">()</span>
<span class="gp">... </span> <span class="n">pdf</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">fig</span><span class="p">)</span>
<span class="gp">... </span> <span class="c1"># When no figure is specified the current figure is saved</span>
<span class="gp">... </span> <span class="n">pdf</span><span class="o">.</span><span class="n">savefig</span><span class="p">()</span>
</pre></div>
</div>
<p>Create a new PdfPages object.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>filename: str</strong></p>
<blockquote>
<div><p>Plots using <a class="reference internal" href="#matplotlib.backends.backend_pdf.PdfPages.savefig" title="matplotlib.backends.backend_pdf.PdfPages.savefig"><code class="xref py py-meth docutils literal"><span class="pre">PdfPages.savefig()</span></code></a> will be written to a file at
this location. The file is opened at once and any older file with
the same name is overwritten.</p>
</div></blockquote>
<p><strong>keep_empty: bool, optional</strong></p>
<blockquote class="last">
<div><p>If set to False, then empty pdf files will be deleted automatically
when closed.</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.attach_note">
<code class="descname">attach_note</code><span class="sig-paren">(</span><em>text, positionRect=[-100, -100, 0, 0]</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.attach_note" title="Permalink to this definition">¶</a></dt>
<dd><p>Add a new text note to the page to be saved next. The optional
positionRect specifies the position of the new note on the
page. It is outside the page per default to make sure it is
invisible on printouts.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.close">
<code class="descname">close</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.close" title="Permalink to this definition">¶</a></dt>
<dd><p>Finalize this object, making the underlying file a complete
PDF file.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.get_pagecount">
<code class="descname">get_pagecount</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.get_pagecount" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns the current number of pages in the multipage pdf file.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.infodict">
<code class="descname">infodict</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.infodict" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a modifiable information dictionary object
(see PDF reference section 10.2.1 ‘Document Information
Dictionary’).</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.savefig">
<code class="descname">savefig</code><span class="sig-paren">(</span><em>figure=None</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.savefig" title="Permalink to this definition">¶</a></dt>
<dd><p>Saves a <a class="reference internal" href="figure_api.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-class docutils literal"><span class="pre">Figure</span></code></a> to this file as a new page.</p>
<p>Any other keyword arguments are passed to
<a class="reference internal" href="figure_api.html#matplotlib.figure.Figure.savefig" title="matplotlib.figure.Figure.savefig"><code class="xref py py-meth docutils literal"><span class="pre">savefig()</span></code></a>.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>figure: :class:`~matplotlib.figure.Figure` or int, optional</strong></p>
<blockquote class="last">
<div><p>Specifies what figure is saved to file. If not specified, the
active figure is saved. If a <a class="reference internal" href="figure_api.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-class docutils literal"><span class="pre">Figure</span></code></a>
instance is provided, this figure is saved. If an int is specified,
the figure instance to save is looked up by number.</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.Reference">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">Reference</code><span class="sig-paren">(</span><em>id</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Reference" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>PDF reference object.
Use PdfFile.reserveObject() to create References.</p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.Stream">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">Stream</code><span class="sig-paren">(</span><em>id</em>, <em>len</em>, <em>file</em>, <em>extra=None</em>, <em>png=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>PDF stream object.</p>
<p>This has no pdfRepr method. Instead, call begin(), then output the
contents of the stream by calling write(), and finally call end().</p>
<p>id: object id of stream; len: an unused Reference object for the
length of the stream, or None (to use a memory buffer); file:
a PdfFile; extra: a dictionary of extra key-value pairs to
include in the stream header; png: if the data is already
png compressed, the decode parameters</p>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.Stream.end">
<code class="descname">end</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream.end" title="Permalink to this definition">¶</a></dt>
<dd><p>Finalize stream.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backends.backend_pdf.Stream.write">
<code class="descname">write</code><span class="sig-paren">(</span><em>data</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream.write" title="Permalink to this definition">¶</a></dt>
<dd><p>Write some data on the stream.</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backends.backend_pdf.Verbatim">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">Verbatim</code><span class="sig-paren">(</span><em>x</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.Verbatim" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>Store verbatim PDF command content for later inclusion in the
stream.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.backends.backend_pdf.fill">
<code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">fill</code><span class="sig-paren">(</span><em>strings</em>, <em>linelen=75</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.fill" title="Permalink to this definition">¶</a></dt>
<dd><p>Make one string from sequence of strings, with whitespace
in between. The whitespace is chosen to form lines of at most
linelen characters, if possible.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.backends.backend_pdf.new_figure_manager">
<code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">new_figure_manager</code><span class="sig-paren">(</span><em>num</em>, <em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.new_figure_manager" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new figure manager instance</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.backends.backend_pdf.new_figure_manager_given_figure">
<code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">new_figure_manager_given_figure</code><span class="sig-paren">(</span><em>num</em>, <em>figure</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.new_figure_manager_given_figure" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new figure manager instance for the given figure.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.backends.backend_pdf.pdfRepr">
<code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">pdfRepr</code><span class="sig-paren">(</span><em>obj</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backends.backend_pdf.pdfRepr" title="Permalink to this definition">¶</a></dt>
<dd><p>Map Python objects to PDF syntax.</p>
</dd></dl>
</div>
</div>
</div>
</div>
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© Copyright 2002 - 2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom and the matplotlib development team; 2012 - 2014 The matplotlib development team.
Last updated on Dec 19, 2016.
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