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<div class="section" id="module-matplotlib.backends.backend_pgf">
<span id="matplotlib-backends-backend-pgf"></span><h1><a class="reference internal" href="#module-matplotlib.backends.backend_pgf" title="matplotlib.backends.backend_pgf"><code class="xref py py-mod docutils literal notranslate"><span class="pre">matplotlib.backends.backend_pgf</span></code></a><a class="headerlink" href="#module-matplotlib.backends.backend_pgf" title="Permalink to this headline">¶</a></h1>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pgf.FigureCanvas">
<code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">FigureCanvas</code><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvas" title="Permalink to this definition">¶</a></dt>
<dd><p>alias of <a class="reference internal" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf" title="matplotlib.backends.backend_pgf.FigureCanvasPgf"><code class="xref py py-class docutils literal notranslate"><span class="pre">matplotlib.backends.backend_pgf.FigureCanvasPgf</span></code></a></p>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">FigureCanvasPgf</code><span class="sig-paren">(</span><em><span class="n">figure</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_pgf.html#FigureCanvasPgf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf" 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>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf.draw">
<code class="descname">draw</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_pgf.html#FigureCanvasPgf.draw"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.draw" title="Permalink to this definition">¶</a></dt>
<dd><p>Render the <a class="reference internal" href="figure_api.html#matplotlib.figure.Figure" title="matplotlib.figure.Figure"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure</span></code></a>.</p>
<p>It is important that this method actually walk the artist tree
even if not output is produced because this will trigger
deferred work (like computing limits auto-limits and tick
values) that users may want access to before saving to disk.</p>
</dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf.filetypes">
<code class="descname">filetypes</code><em class="property"> = {'pdf': 'LaTeX compiled PGF picture', 'pgf': 'LaTeX PGF picture', 'png': 'Portable Network Graphics'}</em><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.filetypes" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf.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_pgf.html#FigureCanvasPgf.get_default_filetype"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.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_pgf.FigureCanvasPgf.get_renderer">
<code class="descname">get_renderer</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_pgf.html#FigureCanvasPgf.get_renderer"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.get_renderer" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf.print_pdf">
<code class="descname">print_pdf</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">fname_or_fh</span></em>, <em><span class="o">*</span><span class="n">args</span></em>, <em><span class="n">metadata</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_pgf.html#FigureCanvasPgf.print_pdf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.print_pdf" title="Permalink to this definition">¶</a></dt>
<dd><p>Use LaTeX to compile a pgf generated figure to pdf.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf.print_pgf">
<code class="descname">print_pgf</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">fname_or_fh</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_pgf.html#FigureCanvasPgf.print_pgf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.print_pgf" title="Permalink to this definition">¶</a></dt>
<dd><p>Output pgf macros for drawing the figure so it can be included and
rendered in latex documents.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.FigureCanvasPgf.print_png">
<code class="descname">print_png</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">fname_or_fh</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_pgf.html#FigureCanvasPgf.print_png"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.FigureCanvasPgf.print_png" title="Permalink to this definition">¶</a></dt>
<dd><p>Use LaTeX to compile a pgf figure to pdf and convert it to png.</p>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pgf.GraphicsContextPgf">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">GraphicsContextPgf</code><span class="sig-paren">(</span><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_pgf.html#GraphicsContextPgf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.GraphicsContextPgf" 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>
<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 exception">
<dt id="matplotlib.backends.backend_pgf.LatexError">
<em class="property">exception </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">LatexError</code><span class="sig-paren">(</span><em><span class="n">message</span></em>, <em><span class="n">latex_output</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_pgf.html#LatexError"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.LatexError" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/exceptions.html#Exception" title="(in Python v3.9)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Exception</span></code></a></p>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pgf.LatexManager">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">LatexManager</code><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#LatexManager"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.LatexManager" 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 v3.9)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>The LatexManager opens an instance of the LaTeX application for
determining the metrics of text elements. The LaTeX environment can be
modified by setting fonts and/or a custom preamble in <a class="reference internal" href="matplotlib_configuration_api.html#matplotlib.rcParams" title="matplotlib.rcParams"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rcParams</span></code></a>.</p>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.LatexManager.get_width_height_descent">
<code class="descname">get_width_height_descent</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">text</span></em>, <em><span class="n">prop</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#LatexManager.get_width_height_descent"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.LatexManager.get_width_height_descent" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the width, total height and descent for a text typeset by the
current LaTeX environment.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.LatexManager.latex_stdin_utf8">
<code class="descname">latex_stdin_utf8</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_pgf.html#LatexManager.latex_stdin_utf8"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.LatexManager.latex_stdin_utf8" 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>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pgf.PdfPages">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">PdfPages</code><span class="sig-paren">(</span><em><span class="n">filename</span></em>, <em><span class="o">*</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_pgf.html#PdfPages"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.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 v3.9)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>A multi-page PDF file using the pgf backend</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</span></dt><dd><p>Plots using <a class="reference internal" href="#matplotlib.backends.backend_pgf.PdfPages.savefig" title="matplotlib.backends.backend_pgf.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. Any older file with the same name is overwritten.</p>
</dd>
<dt><strong>keep_empty</strong><span class="classifier">bool, default: True</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 v3.9)"><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_pgf.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_pgf.html#PdfPages.close"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.PdfPages.close" title="Permalink to this definition">¶</a></dt>
<dd><p>Finalize this object, running LaTeX in a temporary directory
and moving the final pdf file to <em>filename</em>.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.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_pgf.html#PdfPages.get_pagecount"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.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 attribute">
<dt id="matplotlib.backends.backend_pgf.PdfPages.keep_empty">
<code class="descname">keep_empty</code><a class="headerlink" href="#matplotlib.backends.backend_pgf.PdfPages.keep_empty" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.PdfPages.metadata">
<em class="property">property </em><code class="descname">metadata</code><a class="headerlink" href="#matplotlib.backends.backend_pgf.PdfPages.metadata" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.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_pgf.html#PdfPages.savefig"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.PdfPages.savefig" title="Permalink to this definition">¶</a></dt>
<dd><p>Save a <a class="reference internal" href="figure_api.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="figure_api.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="figure_api.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="figure_api.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_pgf.RendererPgf">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">RendererPgf</code><span class="sig-paren">(</span><em>figure</em>, <em>fh</em>, <em>dummy=<deprecated parameter></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#RendererPgf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.RendererBase" title="matplotlib.backend_bases.RendererBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">matplotlib.backend_bases.RendererBase</span></code></a></p>
<p>Create a new PGF renderer that translates any drawing instruction
into text commands to be interpreted in a latex pgfpicture environment.</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="figure_api.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>Matplotlib figure to initialize height, width and dpi from.</p>
</dd>
<dt><strong>fh</strong><span class="classifier">file-like</span></dt><dd><p>File handle for the output of the drawing commands.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.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_pgf.html#RendererPgf.draw_image"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.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">(N, M, 4) array-like of 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
<a class="reference internal" href="#matplotlib.backends.backend_pgf.RendererPgf.option_scale_image" title="matplotlib.backends.backend_pgf.RendererPgf.option_scale_image"><code class="xref py py-meth docutils literal notranslate"><span class="pre">option_scale_image()</span></code></a> 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_pgf.RendererPgf.draw_image" title="matplotlib.backends.backend_pgf.RendererPgf.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_pgf.RendererPgf.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_pgf.html#RendererPgf.draw_markers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.draw_markers" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw a marker at each of <em>path</em>'s vertices (excluding control points).</p>
<p>This provides a fallback implementation of draw_markers that
makes multiple calls to <a class="reference internal" href="#matplotlib.backends.backend_pgf.RendererPgf.draw_path" title="matplotlib.backends.backend_pgf.RendererPgf.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_pgf.RendererPgf.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_pgf.html#RendererPgf.draw_path"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.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_pgf.RendererPgf.draw_tex">
<code class="descname">draw_tex</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">'TeX!'</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_pgf.html#RendererPgf.draw_tex"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.draw_tex" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.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_pgf.html#RendererPgf.draw_text"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.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_pgf.RendererPgf.flipy">
<code class="descname">flipy</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_pgf.html#RendererPgf.flipy"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.flipy" title="Permalink to this definition">¶</a></dt>
<dd><p>Return whether y values increase from top to bottom.</p>
<p>Note that this only affects drawing of texts and images.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.get_canvas_width_height">
<code class="descname">get_canvas_width_height</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_pgf.html#RendererPgf.get_canvas_width_height"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.get_canvas_width_height" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the canvas width and height in display coords.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.get_text_width_height_descent">
<code class="descname">get_text_width_height_descent</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">s</span></em>, <em><span class="n">prop</span></em>, <em><span class="n">ismath</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#RendererPgf.get_text_width_height_descent"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.get_text_width_height_descent" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the width, height, and descent (offset from the bottom
to the baseline), in display coords, of the string <em>s</em> with
<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">FontProperties</span></code></a> <em>prop</em>.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.option_image_nocomposite">
<code class="descname">option_image_nocomposite</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_pgf.html#RendererPgf.option_image_nocomposite"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.option_image_nocomposite" title="Permalink to this definition">¶</a></dt>
<dd><p>Return whether image composition by Matplotlib should be skipped.</p>
<p>Raster backends should usually return False (letting the C-level
rasterizer take care of image composition); vector backends should
usually return <code class="docutils literal notranslate"><span class="pre">not</span> <span class="pre">rcParams["image.composite_image"]</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.option_scale_image">
<code class="descname">option_scale_image</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_pgf.html#RendererPgf.option_scale_image"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.option_scale_image" title="Permalink to this definition">¶</a></dt>
<dd><p>Return whether arbitrary affine transformations in <a class="reference internal" href="#matplotlib.backends.backend_pgf.RendererPgf.draw_image" title="matplotlib.backends.backend_pgf.RendererPgf.draw_image"><code class="xref py py-meth docutils literal notranslate"><span class="pre">draw_image()</span></code></a>
are supported (True for most vector backends).</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.RendererPgf.points_to_pixels">
<code class="descname">points_to_pixels</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">points</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#RendererPgf.points_to_pixels"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.RendererPgf.points_to_pixels" title="Permalink to this definition">¶</a></dt>
<dd><p>Convert points to display units.</p>
<p>You need to override this function (unless your backend
doesn't have a dpi, e.g., postscript or svg). Some imaging
systems assume some value for pixels per inch:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">points</span> <span class="n">to</span> <span class="n">pixels</span> <span class="o">=</span> <span class="n">points</span> <span class="o">*</span> <span class="n">pixels_per_inch</span><span class="o">/</span><span class="mi">72</span> <span class="o">*</span> <span class="n">dpi</span><span class="o">/</span><span class="mi">72</span>
</pre></div>
</div>
<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">float or array-like</span></dt><dd><p>a float or a numpy array of float</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>Points converted to pixels</dt><dd></dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_pgf.TmpDirCleaner">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">TmpDirCleaner</code><span class="sig-paren">(</span><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_pgf.html#TmpDirCleaner"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.TmpDirCleaner" 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 v3.9)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>[<em>Deprecated</em>]</p>
<p class="rubric">Notes</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.4: </span></p>
</div>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.TmpDirCleaner.add">
<em class="property">static </em><code class="descname">add</code><span class="sig-paren">(</span><em><span class="n">tmpdir</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#TmpDirCleaner.add"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.TmpDirCleaner.add" 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 3.4: </span></p>
</div>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_pgf.TmpDirCleaner.cleanup_remaining_tmpdirs">
<em class="property">static </em><code class="descname">cleanup_remaining_tmpdirs</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#TmpDirCleaner.cleanup_remaining_tmpdirs"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.TmpDirCleaner.cleanup_remaining_tmpdirs" 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 3.4: </span></p>
</div>
</dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_pgf.TmpDirCleaner.remaining_tmpdirs">
<code class="descname">remaining_tmpdirs</code><em class="property"> = {}</em><a class="headerlink" href="#matplotlib.backends.backend_pgf.TmpDirCleaner.remaining_tmpdirs" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_pgf.common_texification">
<code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">common_texification</code><span class="sig-paren">(</span><em><span class="n">text</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#common_texification"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.common_texification" title="Permalink to this definition">¶</a></dt>
<dd><p>Do some necessary and/or useful substitutions for texts to be included in
LaTeX documents.</p>
<p>This distinguishes text-mode and math-mode by replacing the math separator
<code class="docutils literal notranslate"><span class="pre">$</span></code> with <code class="docutils literal notranslate"><span class="pre">\(\displaystyle</span> <span class="pre">%s\)</span></code>. Escaped math separators (<code class="docutils literal notranslate"><span class="pre">\$</span></code>)
are ignored.</p>
<p>The following characters are escaped in text segments: <code class="docutils literal notranslate"><span class="pre">_^$%</span></code></p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_pgf.get_fontspec">
<code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">get_fontspec</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#get_fontspec"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.get_fontspec" title="Permalink to this definition">¶</a></dt>
<dd><p>Build fontspec preamble from rc.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_pgf.get_preamble">
<code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">get_preamble</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#get_preamble"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.get_preamble" title="Permalink to this definition">¶</a></dt>
<dd><p>Get LaTeX preamble from rc.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_pgf.make_pdf_to_png_converter">
<code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">make_pdf_to_png_converter</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#make_pdf_to_png_converter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.make_pdf_to_png_converter" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a function that converts a pdf file to a png file.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_pgf.writeln">
<code class="descclassname">matplotlib.backends.backend_pgf.</code><code class="descname">writeln</code><span class="sig-paren">(</span><em><span class="n">fh</span></em>, <em><span class="n">line</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_pgf.html#writeln"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_pgf.writeln" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</div>
</div>
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