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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 notranslate"><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="py 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 notranslate"><span class="pre">matplotlib.backends.backend_pdf.FigureCanvasPdf</span></code></a></p>
</dd></dl>
<dl class="py 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><span class="n">figure</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#FigureCanvasPdf"><span class="viewcode-link">[source]</span></a><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 notranslate"><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>
<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">Attributes:</th><td class="field-body"><dl class="first last docutils">
<dt><strong>figure</strong><span class="classifier"><a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.figure.Figure</span></code></a></span></dt><dd><p>A high-level Figure instance</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.FigureCanvasPdf.filetypes">
<code class="descname">filetypes</code><em class="property"> = {'pdf': 'Portable Document Format'}</em><a class="headerlink" href="#matplotlib.backends.backend_pdf.FigureCanvasPdf.filetypes" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.FigureCanvasPdf.fixed_dpi">
<code class="descname">fixed_dpi</code><em class="property"> = 72</em><a class="headerlink" href="#matplotlib.backends.backend_pdf.FigureCanvasPdf.fixed_dpi" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.FigureCanvasPdf.get_default_filetype">
<code class="descname">get_default_filetype</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#FigureCanvasPdf.get_default_filetype"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.FigureCanvasPdf.get_default_filetype" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the default savefig file format as specified in
<code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=savefig.format#a-sample-matplotlibrc-file"><span class="pre">rcParams["savefig.format"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'png'</span></code>).</p>
<p>The returned string does not include a period. This method is
overridden in backends that only support a single file type.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.FigureCanvasPdf.print_pdf">
<code class="descname">print_pdf</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">filename</span></em>, <em><span class="o">*</span></em>, <em><span class="n">dpi</span><span class="o">=</span><span class="default_value">72</span></em>, <em><span class="n">bbox_inches_restore</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">metadata</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#FigureCanvasPdf.print_pdf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.FigureCanvasPdf.print_pdf" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">GraphicsContextPdf</code><span class="sig-paren">(</span><em><span class="n">file</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">matplotlib.backend_bases.GraphicsContextBase</span></code></a></p>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.alpha_cmd">
<code class="descname">alpha_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">alpha</span></em>, <em><span class="n">forced</span></em>, <em><span class="n">effective_alphas</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.alpha_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.alpha_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.capstyle_cmd">
<code class="descname">capstyle_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">style</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.capstyle_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.capstyle_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.capstyles">
<code class="descname">capstyles</code><em class="property"> = {'butt': 0, 'projecting': 2, 'round': 1}</em><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.capstyles" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.clip_cmd">
<code class="descname">clip_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">cliprect</span></em>, <em><span class="n">clippath</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.clip_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.clip_cmd" title="Permalink to this definition">¶</a></dt>
<dd><p>Set clip rectangle. Calls <a class="reference internal" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.pop" title="matplotlib.backends.backend_pdf.GraphicsContextPdf.pop"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pop()</span></code></a> and <a class="reference internal" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.push" title="matplotlib.backends.backend_pdf.GraphicsContextPdf.push"><code class="xref py py-obj docutils literal notranslate"><span class="pre">push()</span></code></a>.</p>
</dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.commands">
<code class="descname">commands</code><em class="property"> = ((('_cliprect', '_clippath'), <function GraphicsContextPdf.clip_cmd>), (('_alpha', '_forced_alpha', '_effective_alphas'), <function GraphicsContextPdf.alpha_cmd>), (('_capstyle',), <function GraphicsContextPdf.capstyle_cmd>), (('_fillcolor',), <function GraphicsContextPdf.fillcolor_cmd>), (('_joinstyle',), <function GraphicsContextPdf.joinstyle_cmd>), (('_linewidth',), <function GraphicsContextPdf.linewidth_cmd>), (('_dashes',), <function GraphicsContextPdf.dash_cmd>), (('_rgb',), <function GraphicsContextPdf.rgb_cmd>), (('_hatch', '_hatch_color'), <function GraphicsContextPdf.hatch_cmd>))</em><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.commands" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.copy_properties">
<code class="descname">copy_properties</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">other</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.copy_properties"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.copy_properties" title="Permalink to this definition">¶</a></dt>
<dd><p>Copy properties of other into self.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.dash_cmd">
<code class="descname">dash_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">dashes</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.dash_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.dash_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.delta">
<code class="descname">delta</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">other</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.delta"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.delta" title="Permalink to this definition">¶</a></dt>
<dd><p>Copy properties of other into self and return PDF commands
needed to transform self into other.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.fill">
<code class="descname">fill</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="o">*</span><span class="n">args</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.fill"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.fill" title="Permalink to this definition">¶</a></dt>
<dd><p>Predicate: does the path need to be filled?</p>
<p>An optional argument can be used to specify an alternative
_fillcolor, as needed by RendererPdf.draw_markers.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.fillcolor_cmd">
<code class="descname">fillcolor_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">rgb</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.fillcolor_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.fillcolor_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.finalize">
<code class="descname">finalize</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.finalize"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.finalize" title="Permalink to this definition">¶</a></dt>
<dd><p>Make sure every pushed graphics state is popped.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.hatch_cmd">
<code class="descname">hatch_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">hatch</span></em>, <em><span class="n">hatch_color</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.hatch_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.hatch_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.joinstyle_cmd">
<code class="descname">joinstyle_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">style</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.joinstyle_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.joinstyle_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.joinstyles">
<code class="descname">joinstyles</code><em class="property"> = {'bevel': 2, 'miter': 0, 'round': 1}</em><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.joinstyles" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.linewidth_cmd">
<code class="descname">linewidth_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">width</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.linewidth_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.linewidth_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.paint">
<code class="descname">paint</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.paint"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.paint" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the appropriate pdf operator to cause the path to be
stroked, filled, or both.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.pop">
<code class="descname">pop</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.pop"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.pop" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.push">
<code class="descname">push</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.push"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.push" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.rgb_cmd">
<code class="descname">rgb_cmd</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">rgb</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.rgb_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.rgb_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.GraphicsContextPdf.stroke">
<code class="descname">stroke</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#GraphicsContextPdf.stroke"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.GraphicsContextPdf.stroke" title="Permalink to this definition">¶</a></dt>
<dd><p>Predicate: does the path need to be stroked (its outline drawn)?
This tests for the various conditions that disable stroking
the path, in which case it would presumably be filled.</p>
</dd></dl>
</dd></dl>
<dl class="py 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><span class="n">name</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Name"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Name" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>PDF name object.</p>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.Name.hexify">
<em class="property">static </em><code class="descname">hexify</code><span class="sig-paren">(</span><em><span class="n">match</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Name.hexify"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Name.hexify" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.Name.name">
<code class="descname">name</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.Name.name" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.Name.pdfRepr">
<code class="descname">pdfRepr</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Name.pdfRepr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Name.pdfRepr" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py 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><span class="n">op</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Operator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Operator" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>PDF operator object.</p>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.Operator.op">
<code class="descname">op</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.Operator.op" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.Operator.pdfRepr">
<code class="descname">pdfRepr</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Operator.pdfRepr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Operator.pdfRepr" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py 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><span class="n">filename</span></em>, <em><span class="n">metadata</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>PDF file 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"><dl class="first last docutils">
<dt><strong>filename</strong><span class="classifier">str or path-like or file-like</span></dt><dd><p>Output target; if a string, a file will be opened for writing.</p>
</dd>
<dt><strong>metadata</strong><span class="classifier">dict from strings to strings and dates</span></dt><dd><p>Information dictionary object (see PDF reference section 10.2.1
'Document Information Dictionary'), e.g.:
<code class="docutils literal notranslate"><span class="pre">{'Creator':</span> <span class="pre">'My</span> <span class="pre">software',</span> <span class="pre">'Author':</span> <span class="pre">'Me',</span> <span class="pre">'Title':</span> <span class="pre">'Awesome'}</span></code>.</p>
<p>The standard keys are 'Title', 'Author', 'Subject', 'Keywords',
'Creator', 'Producer', 'CreationDate', 'ModDate', and
'Trapped'. Values have been predefined for 'Creator', 'Producer'
and 'CreationDate'. They can be removed by setting them to <a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">None</span></code></a>.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.addGouraudTriangles">
<code class="descname">addGouraudTriangles</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">points</span></em>, <em><span class="n">colors</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.addGouraudTriangles"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.addGouraudTriangles" title="Permalink to this definition">¶</a></dt>
<dd><p>Add a Gouraud triangle shading.</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"><dl class="first docutils">
<dt><strong>points</strong><span class="classifier">np.ndarray</span></dt><dd><p>Triangle vertices, shape (n, 3, 2)
where n = number of triangles, 3 = vertices, 2 = x, y.</p>
</dd>
<dt><strong>colors</strong><span class="classifier">np.ndarray</span></dt><dd><p>Vertex colors, shape (n, 3, 1) or (n, 3, 4)
as with points, but last dimension is either (gray,)
or (r, g, b, alpha).</p>
</dd>
</dl>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><dl class="first last docutils">
<dt>Name, Reference</dt><dd></dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.alphaState">
<code class="descname">alphaState</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">alpha</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.alphaState"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.beginStream">
<code class="descname">beginStream</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">id</span></em>, <em><span class="n">len</span></em>, <em><span class="n">extra</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">png</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.beginStream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.beginStream" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.close">
<code class="descname">close</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.close"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.close" title="Permalink to this definition">¶</a></dt>
<dd><p>Flush all buffers and free all resources.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.createType1Descriptor">
<code class="descname">createType1Descriptor</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">t1font</span></em>, <em><span class="n">fontfile</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.createType1Descriptor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.createType1Descriptor" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.dviFontName">
<code class="descname">dviFontName</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">dvifont</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.dviFontName"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.dviFontName" title="Permalink to this definition">¶</a></dt>
<dd><p>Given a dvi font object, return a name suitable for Op.selectfont.
This registers the font information in <code class="docutils literal notranslate"><span class="pre">self.dviFontInfo</span></code> if not yet
registered.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.embedTTF">
<code class="descname">embedTTF</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">filename</span></em>, <em><span class="n">characters</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.embedTTF"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.endStream">
<code class="descname">endStream</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.endStream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.endStream" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.finalize">
<code class="descname">finalize</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.finalize"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.finalize" title="Permalink to this definition">¶</a></dt>
<dd><p>Write out the various deferred objects and the pdf end matter.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.fontName">
<code class="descname">fontName</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">fontprop</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.fontName"><span class="viewcode-link">[source]</span></a><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 of the font.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.hatchPattern">
<code class="descname">hatchPattern</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">hatch_style</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.hatchPattern"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.hatchPattern" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.imageObject">
<code class="descname">imageObject</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">image</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.imageObject"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.markerObject">
<code class="descname">markerObject</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">path</span></em>, <em><span class="n">trans</span></em>, <em><span class="n">fill</span></em>, <em><span class="n">stroke</span></em>, <em><span class="n">lw</span></em>, <em><span class="n">joinstyle</span></em>, <em><span class="n">capstyle</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.markerObject"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.newPage">
<code class="descname">newPage</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">width</span></em>, <em><span class="n">height</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.newPage"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.newPage" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.newTextnote">
<code class="descname">newTextnote</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">text</span></em>, <em><span class="n">positionRect</span><span class="o">=</span><span class="default_value">[- 100, - 100, 0, 0]</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.newTextnote"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.newTextnote" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.output">
<code class="descname">output</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="o">*</span><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.output"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.output" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.pathCollectionObject">
<code class="descname">pathCollectionObject</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">path</span></em>, <em><span class="n">trans</span></em>, <em><span class="n">padding</span></em>, <em><span class="n">filled</span></em>, <em><span class="n">stroked</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.pathCollectionObject"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.pathCollectionObject" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.pathOperations">
<em class="property">static </em><code class="descname">pathOperations</code><span class="sig-paren">(</span><em><span class="n">path</span></em>, <em><span class="n">transform</span></em>, <em><span class="n">clip</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">simplify</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">sketch</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.pathOperations"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.pathOperations" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.recordXref">
<code class="descname">recordXref</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">id</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.recordXref"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.recordXref" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.reserveObject">
<code class="descname">reserveObject</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">name</span><span class="o">=</span><span class="default_value">''</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.reserveObject"><span class="viewcode-link">[source]</span></a><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.</p>
<p>The name is used for debugging in case we forget to print out
the object with writeObject.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.used_characters">
<em class="property">property </em><code class="descname">used_characters</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.used_characters" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.write">
<code class="descname">write</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">data</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.write"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.write" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeExtGSTates">
<code class="descname">writeExtGSTates</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeExtGSTates"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeExtGSTates" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeFonts">
<code class="descname">writeFonts</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeFonts"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeFonts" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeGouraudTriangles">
<code class="descname">writeGouraudTriangles</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeGouraudTriangles"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeGouraudTriangles" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeHatches">
<code class="descname">writeHatches</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeHatches"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeHatches" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeImages">
<code class="descname">writeImages</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeImages"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeImages" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeInfoDict">
<code class="descname">writeInfoDict</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeInfoDict"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeMarkers">
<code class="descname">writeMarkers</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeMarkers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeMarkers" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeObject">
<code class="descname">writeObject</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">object</span></em>, <em><span class="n">contents</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeObject"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writeObject" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writePath">
<code class="descname">writePath</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">path</span></em>, <em><span class="n">transform</span></em>, <em><span class="n">clip</span><span class="o">=</span><span class="default_value">False</span></em>, <em><span class="n">sketch</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writePath"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writePath" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writePathCollectionTemplates">
<code class="descname">writePathCollectionTemplates</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writePathCollectionTemplates"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfFile.writePathCollectionTemplates" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeTrailer">
<code class="descname">writeTrailer</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeTrailer"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfFile.writeXref">
<code class="descname">writeXref</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfFile.writeXref"><span class="viewcode-link">[source]</span></a><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="py 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><span class="n">filename</span></em>, <em><span class="n">keep_empty</span><span class="o">=</span><span class="default_value">True</span></em>, <em><span class="n">metadata</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfPages"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></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-obj docutils literal notranslate"><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-obj docutils literal notranslate"><span class="pre">PdfFile</span></code></a>, in order to avoid
confusion when using <a class="reference internal" href="_as_gen/matplotlib.pyplot.savefig.html#matplotlib.pyplot.savefig" title="matplotlib.pyplot.savefig"><code class="xref py py-obj docutils literal notranslate"><span class="pre">savefig</span></code></a> and forgetting the format argument.</p>
<p class="rubric">Examples</p>
<div class="doctest highlight-default notranslate"><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"><dl class="first last docutils">
<dt><strong>filename</strong><span class="classifier">str or path-like or file-like</span></dt><dd><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-obj docutils literal notranslate"><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>
</dd>
<dt><strong>keep_empty</strong><span class="classifier">bool, optional</span></dt><dd><p>If set to False, then empty pdf files will be deleted automatically
when closed.</p>
</dd>
<dt><strong>metadata</strong><span class="classifier">dict, optional</span></dt><dd><p>Information dictionary object (see PDF reference section 10.2.1
'Document Information Dictionary'), e.g.:
<code class="docutils literal notranslate"><span class="pre">{'Creator':</span> <span class="pre">'My</span> <span class="pre">software',</span> <span class="pre">'Author':</span> <span class="pre">'Me',</span> <span class="pre">'Title':</span> <span class="pre">'Awesome'}</span></code>.</p>
<p>The standard keys are 'Title', 'Author', 'Subject', 'Keywords',
'Creator', 'Producer', 'CreationDate', 'ModDate', and
'Trapped'. Values have been predefined for 'Creator', 'Producer'
and 'CreationDate'. They can be removed by setting them to <a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">None</span></code></a>.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.attach_note">
<code class="descname">attach_note</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">text</span></em>, <em><span class="n">positionRect</span><span class="o">=</span><span class="default_value">[- 100, - 100, 0, 0]</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfPages.attach_note"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.close">
<code class="descname">close</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfPages.close"><span class="viewcode-link">[source]</span></a><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="py method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.get_pagecount">
<code class="descname">get_pagecount</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfPages.get_pagecount"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.get_pagecount" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the current number of pages in the multipage pdf file.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.infodict">
<code class="descname">infodict</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfPages.infodict"><span class="viewcode-link">[source]</span></a><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="py attribute">
<dt id="matplotlib.backends.backend_pdf.PdfPages.keep_empty">
<code class="descname">keep_empty</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.keep_empty" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.PdfPages.savefig">
<code class="descname">savefig</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">figure</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#PdfPages.savefig"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.PdfPages.savefig" title="Permalink to this definition">¶</a></dt>
<dd><p>Save a <a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-obj docutils literal notranslate"><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="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.savefig" title="matplotlib.figure.Figure.savefig"><code class="xref py py-obj docutils literal notranslate"><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"><dl class="first last docutils">
<dt><strong>figure</strong><span class="classifier"><a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure</span></code></a> or int, optional</span></dt><dd><p>Specifies what figure is saved to file. If not specified, the
active figure is saved. If a <a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-obj docutils literal notranslate"><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>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</dd></dl>
<dl class="py 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><span class="n">id</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Reference"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Reference" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>PDF reference object.</p>
<p>Use PdfFile.reserveObject() to create References.</p>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.Reference.pdfRepr">
<code class="descname">pdfRepr</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Reference.pdfRepr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Reference.pdfRepr" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.Reference.write">
<code class="descname">write</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">contents</span></em>, <em><span class="n">file</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Reference.write"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Reference.write" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pdf.RendererPdf">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pdf.</code><code class="descname">RendererPdf</code><span class="sig-paren">(</span><em><span class="n">file</span></em>, <em><span class="n">image_dpi</span></em>, <em><span class="n">height</span></em>, <em><span class="n">width</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">matplotlib.backends._backend_pdf_ps.RendererPDFPSBase</span></code></p>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.check_gc">
<code class="descname">check_gc</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">fillcolor</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.check_gc"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.check_gc" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_gouraud_triangle">
<code class="descname">draw_gouraud_triangle</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">points</span></em>, <em><span class="n">colors</span></em>, <em><span class="n">trans</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_gouraud_triangle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_gouraud_triangle" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw a Gouraud-shaded triangle.</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"><dl class="first last docutils">
<dt><strong>gc</strong><span class="classifier"><a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextBase</span></code></a></span></dt><dd><p>The graphics context.</p>
</dd>
<dt><strong>points</strong><span class="classifier">array-like, shape=(3, 2)</span></dt><dd><p>Array of (x, y) points for the triangle.</p>
</dd>
<dt><strong>colors</strong><span class="classifier">array-like, shape=(3, 4)</span></dt><dd><p>RGBA colors for each point of the triangle.</p>
</dd>
<dt><strong>transform</strong><span class="classifier"><a class="reference internal" href="transformations.html#matplotlib.transforms.Transform" title="matplotlib.transforms.Transform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.transforms.Transform</span></code></a></span></dt><dd><p>An affine transform to apply to the points.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_gouraud_triangles">
<code class="descname">draw_gouraud_triangles</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">points</span></em>, <em><span class="n">colors</span></em>, <em><span class="n">trans</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_gouraud_triangles"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_gouraud_triangles" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw a series of Gouraud triangles.</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"><dl class="first last docutils">
<dt><strong>points</strong><span class="classifier">array-like, shape=(N, 3, 2)</span></dt><dd><p>Array of <em>N</em> (x, y) points for the triangles.</p>
</dd>
<dt><strong>colors</strong><span class="classifier">array-like, shape=(N, 3, 4)</span></dt><dd><p>Array of <em>N</em> RGBA colors for each point of the triangles.</p>
</dd>
<dt><strong>transform</strong><span class="classifier"><a class="reference internal" href="transformations.html#matplotlib.transforms.Transform" title="matplotlib.transforms.Transform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.transforms.Transform</span></code></a></span></dt><dd><p>An affine transform to apply to the points.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_image">
<code class="descname">draw_image</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">x</span></em>, <em><span class="n">y</span></em>, <em><span class="n">im</span></em>, <em><span class="n">transform</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_image"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_image" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw an RGBA image.</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"><dl class="first last docutils">
<dt><strong>gc</strong><span class="classifier"><a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextBase</span></code></a></span></dt><dd><p>A graphics context with clipping information.</p>
</dd>
<dt><strong>x</strong><span class="classifier">scalar</span></dt><dd><p>The distance in physical units (i.e., dots or pixels) from the left
hand side of the canvas.</p>
</dd>
<dt><strong>y</strong><span class="classifier">scalar</span></dt><dd><p>The distance in physical units (i.e., dots or pixels) from the
bottom side of the canvas.</p>
</dd>
<dt><strong>im</strong><span class="classifier">array-like, shape=(N, M, 4), dtype=np.uint8</span></dt><dd><p>An array of RGBA pixels.</p>
</dd>
<dt><strong>transform</strong><span class="classifier"><a class="reference internal" href="transformations.html#matplotlib.transforms.Affine2DBase" title="matplotlib.transforms.Affine2DBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.transforms.Affine2DBase</span></code></a></span></dt><dd><p>If and only if the concrete backend is written such that
<code class="xref py py-meth docutils literal notranslate"><span class="pre">option_scale_image()</span></code> returns <code class="docutils literal notranslate"><span class="pre">True</span></code>, an affine
transformation (i.e., an <a class="reference internal" href="transformations.html#matplotlib.transforms.Affine2DBase" title="matplotlib.transforms.Affine2DBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Affine2DBase</span></code></a>) <em>may</em> be passed to
<a class="reference internal" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_image" title="matplotlib.backends.backend_pdf.RendererPdf.draw_image"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_image()</span></code></a>. The translation vector of the transformation
is given in physical units (i.e., dots or pixels). Note that
the transformation does not override <em>x</em> and <em>y</em>, and has to be
applied <em>before</em> translating the result by <em>x</em> and <em>y</em> (this can
be accomplished by adding <em>x</em> and <em>y</em> to the translation vector
defined by <em>transform</em>).</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_markers">
<code class="descname">draw_markers</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">marker_path</span></em>, <em><span class="n">marker_trans</span></em>, <em><span class="n">path</span></em>, <em><span class="n">trans</span></em>, <em><span class="n">rgbFace</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_markers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_markers" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw a marker at each of the vertices in path.</p>
<p>This includes all vertices, including control points on curves.
To avoid that behavior, those vertices should be removed before
calling this function.</p>
<p>This provides a fallback implementation of draw_markers that
makes multiple calls to <a class="reference internal" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_path" title="matplotlib.backends.backend_pdf.RendererPdf.draw_path"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_path()</span></code></a>. Some backends may
want to override this method in order to draw the marker only
once and reuse it multiple times.</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"><dl class="first last docutils">
<dt><strong>gc</strong><span class="classifier"><a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextBase</span></code></a></span></dt><dd><p>The graphics context.</p>
</dd>
<dt><strong>marker_trans</strong><span class="classifier"><a class="reference internal" href="transformations.html#matplotlib.transforms.Transform" title="matplotlib.transforms.Transform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.transforms.Transform</span></code></a></span></dt><dd><p>An affine transform applied to the marker.</p>
</dd>
<dt><strong>trans</strong><span class="classifier"><a class="reference internal" href="transformations.html#matplotlib.transforms.Transform" title="matplotlib.transforms.Transform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.transforms.Transform</span></code></a></span></dt><dd><p>An affine transform applied to the path.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_mathtext">
<code class="descname">draw_mathtext</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">x</span></em>, <em><span class="n">y</span></em>, <em><span class="n">s</span></em>, <em><span class="n">prop</span></em>, <em><span class="n">angle</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_mathtext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_mathtext" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_path">
<code class="descname">draw_path</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">path</span></em>, <em><span class="n">transform</span></em>, <em><span class="n">rgbFace</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_path"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_path" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw a <a class="reference internal" href="path_api.html#matplotlib.path.Path" title="matplotlib.path.Path"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Path</span></code></a> instance using the given affine transform.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_path_collection">
<code class="descname">draw_path_collection</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">master_transform</span></em>, <em><span class="n">paths</span></em>, <em><span class="n">all_transforms</span></em>, <em><span class="n">offsets</span></em>, <em><span class="n">offsetTrans</span></em>, <em><span class="n">facecolors</span></em>, <em><span class="n">edgecolors</span></em>, <em><span class="n">linewidths</span></em>, <em><span class="n">linestyles</span></em>, <em><span class="n">antialiaseds</span></em>, <em><span class="n">urls</span></em>, <em><span class="n">offset_position</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_path_collection"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_path_collection" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw a collection of paths selecting drawing properties from
the lists <em>facecolors</em>, <em>edgecolors</em>, <em>linewidths</em>,
<em>linestyles</em> and <em>antialiaseds</em>. <em>offsets</em> is a list of
offsets to apply to each of the paths. The offsets in
<em>offsets</em> are first transformed by <em>offsetTrans</em> before being
applied.</p>
<p><em>offset_position</em> may be either "screen" or "data" depending on the
space that the offsets are in; "data" is deprecated.</p>
<p>This provides a fallback implementation of
<a class="reference internal" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_path_collection" title="matplotlib.backends.backend_pdf.RendererPdf.draw_path_collection"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_path_collection()</span></code></a> that makes multiple calls to
<a class="reference internal" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_path" title="matplotlib.backends.backend_pdf.RendererPdf.draw_path"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_path()</span></code></a>. Some backends may want to override this in
order to render each set of path data only once, and then
reference that path multiple times with the different offsets,
colors, styles etc. The generator methods
<code class="xref py py-meth docutils literal notranslate"><span class="pre">_iter_collection_raw_paths()</span></code> and
<code class="xref py py-meth docutils literal notranslate"><span class="pre">_iter_collection()</span></code> are provided to help with (and
standardize) the implementation across backends. It is highly
recommended to use those generators, so that changes to the
behavior of <a class="reference internal" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_path_collection" title="matplotlib.backends.backend_pdf.RendererPdf.draw_path_collection"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_path_collection()</span></code></a> can be made globally.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_tex">
<code class="descname">draw_tex</code><span class="sig-paren">(</span><em>self</em>, <em>gc</em>, <em>x</em>, <em>y</em>, <em>s</em>, <em>prop</em>, <em>angle</em>, <em>ismath=<deprecated parameter></em>, <em>mtext=None</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_tex"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_tex" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.draw_text">
<code class="descname">draw_text</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">gc</span></em>, <em><span class="n">x</span></em>, <em><span class="n">y</span></em>, <em><span class="n">s</span></em>, <em><span class="n">prop</span></em>, <em><span class="n">angle</span></em>, <em><span class="n">ismath</span><span class="o">=</span><span class="default_value">False</span></em>, <em><span class="n">mtext</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.draw_text"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_text" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw the text instance.</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"><dl class="first last docutils">
<dt><strong>gc</strong><span class="classifier"><a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextBase</span></code></a></span></dt><dd><p>The graphics context.</p>
</dd>
<dt><strong>x</strong><span class="classifier">float</span></dt><dd><p>The x location of the text in display coords.</p>
</dd>
<dt><strong>y</strong><span class="classifier">float</span></dt><dd><p>The y location of the text baseline in display coords.</p>
</dd>
<dt><strong>s</strong><span class="classifier">str</span></dt><dd><p>The text string.</p>
</dd>
<dt><strong>prop</strong><span class="classifier"><a class="reference internal" href="font_manager_api.html#matplotlib.font_manager.FontProperties" title="matplotlib.font_manager.FontProperties"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.font_manager.FontProperties</span></code></a></span></dt><dd><p>The font properties.</p>
</dd>
<dt><strong>angle</strong><span class="classifier">float</span></dt><dd><p>The rotation angle in degrees anti-clockwise.</p>
</dd>
<dt><strong>mtext</strong><span class="classifier"><a class="reference internal" href="text_api.html#matplotlib.text.Text" title="matplotlib.text.Text"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.text.Text</span></code></a></span></dt><dd><p>The original text object to be rendered.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<p class="rubric">Notes</p>
<p><strong>Note for backend implementers:</strong></p>
<p>When you are trying to determine if you have gotten your bounding box
right (which is what enables the text layout/alignment to work
properly), it helps to change the line in text.py:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="mi">0</span><span class="p">:</span> <span class="n">bbox_artist</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">renderer</span><span class="p">)</span>
</pre></div>
</div>
<p>to if 1, and then the actual bounding box will be plotted along with
your text.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.encode_string">
<code class="descname">encode_string</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">s</span></em>, <em><span class="n">fonttype</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.encode_string"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.encode_string" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.finalize">
<code class="descname">finalize</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.finalize"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.finalize" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.get_image_magnification">
<code class="descname">get_image_magnification</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.get_image_magnification"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.get_image_magnification" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the factor by which to magnify images passed to <a class="reference internal" href="#matplotlib.backends.backend_pdf.RendererPdf.draw_image" title="matplotlib.backends.backend_pdf.RendererPdf.draw_image"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_image()</span></code></a>.
Allows a backend to have images at a different resolution to other
artists.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.merge_used_characters">
<code class="descname">merge_used_characters</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="o">*</span><span class="n">args</span></em>, <em><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.merge_used_characters"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.merge_used_characters" title="Permalink to this definition">¶</a></dt>
<dd><p>[<em>Deprecated</em>]</p>
<p class="rubric">Notes</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.3: </span></p>
</div>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.new_gc">
<code class="descname">new_gc</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.new_gc"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.new_gc" title="Permalink to this definition">¶</a></dt>
<dd><p>Return an instance of a <a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextBase</span></code></a>.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.RendererPdf.track_characters">
<code class="descname">track_characters</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="o">*</span><span class="n">args</span></em>, <em><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#RendererPdf.track_characters"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.RendererPdf.track_characters" title="Permalink to this definition">¶</a></dt>
<dd><p>[<em>Deprecated</em>] Keep track of which characters are required from each font.</p>
<p class="rubric">Notes</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.3.</span></p>
</div>
</dd></dl>
</dd></dl>
<dl class="py 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><span class="n">id</span></em>, <em><span class="n">len</span></em>, <em><span class="n">file</span></em>, <em><span class="n">extra</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">png</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Stream"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></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>
<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"><dl class="first last docutils">
<dt><strong>id</strong><span class="classifier">int</span></dt><dd><p>Object id of the stream.</p>
</dd>
<dt><strong>len</strong><span class="classifier">Reference or None</span></dt><dd><p>An unused Reference object for the length of the stream;
None means to use a memory buffer so the length can be inlined.</p>
</dd>
<dt><strong>file</strong><span class="classifier">PdfFile</span></dt><dd><p>The underlying object to write the stream to.</p>
</dd>
<dt><strong>extra</strong><span class="classifier">dict from Name to anything, or None</span></dt><dd><p>Extra key-value pairs to include in the stream header.</p>
</dd>
<dt><strong>png</strong><span class="classifier">dict or None</span></dt><dd><p>If the data is already png encoded, the decode parameters.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.Stream.compressobj">
<code class="descname">compressobj</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream.compressobj" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pdf.Stream.end">
<code class="descname">end</code><span class="sig-paren">(</span><em><span class="n">self</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pdf.html#Stream.end"><span class="viewcode-link">[source]</span></a><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="py attribute">
<dt id="matplotlib.backends.backend_pdf.Stream.extra">
<code class="descname">extra</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream.extra" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.Stream.file">
<code class="descname">file</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream.file" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pdf.Stream.id">
<code class="descname">id</code><a class="headerlink" href="#matplotlib.backends.backend_pdf.Stream.id" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
You can’t perform that action at this time.