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<div id="unreleased-message"> You are reading an old version of the documentation (v3.3.1). For the latest version see <a href="https://matplotlib.org/stable/api/backend_ps_api.html">https://matplotlib.org/stable/api/backend_ps_api.html</a></div>
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<div class="section" id="module-matplotlib.backends.backend_ps">
<span id="matplotlib-backends-backend-ps"></span><h1><a class="reference internal" href="#module-matplotlib.backends.backend_ps" title="matplotlib.backends.backend_ps"><code class="xref py py-mod docutils literal notranslate"><span class="pre">matplotlib.backends.backend_ps</span></code></a><a class="headerlink" href="#module-matplotlib.backends.backend_ps" title="Permalink to this headline">¶</a></h1>
<p>A PostScript backend, which can produce both PostScript .ps and .eps.</p>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_ps.FigureCanvas">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">FigureCanvas</code><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvas" title="Permalink to this definition">¶</a></dt>
<dd><p>alias of <a class="reference internal" href="#matplotlib.backends.backend_ps.FigureCanvasPS" title="matplotlib.backends.backend_ps.FigureCanvasPS"><code class="xref py py-class docutils literal notranslate"><span class="pre">matplotlib.backends.backend_ps.FigureCanvasPS</span></code></a></p>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_ps.FigureCanvasPS">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">FigureCanvasPS</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_ps.html#FigureCanvasPS"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvasPS" 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 attribute">
<dt id="matplotlib.backends.backend_ps.FigureCanvasPS.filetypes">
<code class="descname">filetypes</code><em class="property"> = {'eps': 'Encapsulated Postscript', 'ps': 'Postscript'}</em><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvasPS.filetypes" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py attribute">
<dt id="matplotlib.backends.backend_ps.FigureCanvasPS.fixed_dpi">
<code class="descname">fixed_dpi</code><em class="property"> = 72</em><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvasPS.fixed_dpi" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.FigureCanvasPS.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_ps.html#FigureCanvasPS.get_default_filetype"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvasPS.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_ps.FigureCanvasPS.print_eps">
<code class="descname">print_eps</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">outfile</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_ps.html#FigureCanvasPS.print_eps"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvasPS.print_eps" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.FigureCanvasPS.print_ps">
<code class="descname">print_ps</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">outfile</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_ps.html#FigureCanvasPS.print_ps"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.FigureCanvasPS.print_ps" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_ps.GraphicsContextPS">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">GraphicsContextPS</code><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#GraphicsContextPS"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.GraphicsContextPS" 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_ps.GraphicsContextPS.get_capstyle">
<code class="descname">get_capstyle</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_ps.html#GraphicsContextPS.get_capstyle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.GraphicsContextPS.get_capstyle" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the capstyle as a string in ('butt', 'round', 'projecting').</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.GraphicsContextPS.get_joinstyle">
<code class="descname">get_joinstyle</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_ps.html#GraphicsContextPS.get_joinstyle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.GraphicsContextPS.get_joinstyle" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the line join style as one of ('miter', 'round', 'bevel').</p>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_ps.PsBackendHelper">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">PsBackendHelper</code><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#PsBackendHelper"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.PsBackendHelper" 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>
</dd></dl>
<dl class="py class">
<dt id="matplotlib.backends.backend_ps.RendererPS">
<em class="property">class </em><code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">RendererPS</code><span class="sig-paren">(</span><em><span class="n">width</span></em>, <em><span class="n">height</span></em>, <em><span class="n">pswriter</span></em>, <em><span class="n">imagedpi</span><span class="o">=</span><span class="default_value">72</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS" 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>
<p>The renderer handles all the drawing primitives using a graphics
context instance that controls the colors/styles.</p>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.create_hatch">
<code class="descname">create_hatch</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">hatch</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.create_hatch"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.create_hatch" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.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_ps.html#RendererPS.draw_gouraud_triangle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.draw_gouraud_triangles"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.draw_image"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.draw_image" title="matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.draw_markers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.draw_path" title="matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.draw_mathtext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.draw_mathtext" title="Permalink to this definition">¶</a></dt>
<dd><p>Draw the math text using matplotlib.mathtext.</p>
</dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.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_ps.html#RendererPS.draw_path"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.draw_path_collection"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.draw_path_collection" title="matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.draw_path" title="matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.draw_path_collection" title="matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.draw_tex"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.draw_tex" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.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_ps.html#RendererPS.draw_text"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.get_image_magnification"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.get_image_magnification" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the factor by which to magnify images passed to draw_image.
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_ps.RendererPS.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_ps.html#RendererPS.merge_used_characters"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.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_ps.html#RendererPS.new_gc"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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_ps.RendererPS.set_color">
<code class="descname">set_color</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">r</span></em>, <em><span class="n">g</span></em>, <em><span class="n">b</span></em>, <em><span class="n">store</span><span class="o">=</span><span class="default_value">True</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.set_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.set_color" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.set_font">
<code class="descname">set_font</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">fontname</span></em>, <em><span class="n">fontsize</span></em>, <em><span class="n">store</span><span class="o">=</span><span class="default_value">True</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.set_font"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.set_font" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.set_linecap">
<code class="descname">set_linecap</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">linecap</span></em>, <em><span class="n">store</span><span class="o">=</span><span class="default_value">True</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.set_linecap"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.set_linecap" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.set_linedash">
<code class="descname">set_linedash</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">offset</span></em>, <em><span class="n">seq</span></em>, <em><span class="n">store</span><span class="o">=</span><span class="default_value">True</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.set_linedash"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.set_linedash" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.set_linejoin">
<code class="descname">set_linejoin</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">linejoin</span></em>, <em><span class="n">store</span><span class="o">=</span><span class="default_value">True</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.set_linejoin"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.set_linejoin" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.set_linewidth">
<code class="descname">set_linewidth</code><span class="sig-paren">(</span><em><span class="n">self</span></em>, <em><span class="n">linewidth</span></em>, <em><span class="n">store</span><span class="o">=</span><span class="default_value">True</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#RendererPS.set_linewidth"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.set_linewidth" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.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_ps.html#RendererPS.track_characters"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.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>
<dl class="py method">
<dt id="matplotlib.backends.backend_ps.RendererPS.used_characters">
<em class="property">property </em><code class="descname">used_characters</code><a class="headerlink" href="#matplotlib.backends.backend_ps.RendererPS.used_characters" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_ps.convert_psfrags">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">convert_psfrags</code><span class="sig-paren">(</span><em><span class="n">tmpfile</span></em>, <em><span class="n">psfrags</span></em>, <em><span class="n">font_preamble</span></em>, <em><span class="n">custom_preamble</span></em>, <em><span class="n">paper_width</span></em>, <em><span class="n">paper_height</span></em>, <em><span class="n">orientation</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#convert_psfrags"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.convert_psfrags" title="Permalink to this definition">¶</a></dt>
<dd><p>When we want to use the LaTeX backend with postscript, we write PSFrag tags
to a temporary postscript file, each one marking a position for LaTeX to
render some text. convert_psfrags generates a LaTeX document containing the
commands to convert those tags to text. LaTeX/dvips produces the postscript
file that includes the actual text.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_ps.get_bbox_header">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">get_bbox_header</code><span class="sig-paren">(</span><em><span class="n">lbrt</span></em>, <em><span class="n">rotated</span><span class="o">=</span><span class="default_value">False</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#get_bbox_header"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.get_bbox_header" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a postscript header string for the given bbox lbrt=(l, b, r, t).
Optionally, return rotate command.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_ps.gs_distill">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">gs_distill</code><span class="sig-paren">(</span><em><span class="n">tmpfile</span></em>, <em><span class="n">eps</span><span class="o">=</span><span class="default_value">False</span></em>, <em><span class="n">ptype</span><span class="o">=</span><span class="default_value">'letter'</span></em>, <em><span class="n">bbox</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">rotated</span><span class="o">=</span><span class="default_value">False</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#gs_distill"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.gs_distill" title="Permalink to this definition">¶</a></dt>
<dd><p>Use ghostscript's pswrite or epswrite device to distill a file.
This yields smaller files without illegal encapsulated postscript
operators. The output is low-level, converting text to outlines.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_ps.pstoeps">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">pstoeps</code><span class="sig-paren">(</span><em><span class="n">tmpfile</span></em>, <em><span class="n">bbox</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">rotated</span><span class="o">=</span><span class="default_value">False</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#pstoeps"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.pstoeps" title="Permalink to this definition">¶</a></dt>
<dd><p>Convert the postscript to encapsulated postscript. The bbox of
the eps file will be replaced with the given <em>bbox</em> argument. If
None, original bbox will be used.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_ps.quote_ps_string">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">quote_ps_string</code><span class="sig-paren">(</span><em><span class="n">s</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#quote_ps_string"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.quote_ps_string" title="Permalink to this definition">¶</a></dt>
<dd><p>Quote dangerous characters of S for use in a PostScript string constant.</p>
</dd></dl>
<dl class="py function">
<dt id="matplotlib.backends.backend_ps.xpdf_distill">
<code class="descclassname">matplotlib.backends.backend_ps.</code><code class="descname">xpdf_distill</code><span class="sig-paren">(</span><em><span class="n">tmpfile</span></em>, <em><span class="n">eps</span><span class="o">=</span><span class="default_value">False</span></em>, <em><span class="n">ptype</span><span class="o">=</span><span class="default_value">'letter'</span></em>, <em><span class="n">bbox</span><span class="o">=</span><span class="default_value">None</span></em>, <em><span class="n">rotated</span><span class="o">=</span><span class="default_value">False</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/backends/backend_ps.html#xpdf_distill"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.backends.backend_ps.xpdf_distill" title="Permalink to this definition">¶</a></dt>
<dd><p>Use ghostscript's ps2pdf and xpdf's/poppler's pdftops to distill a file.
This yields smaller files without illegal encapsulated postscript
operators. This distiller is preferred, generating high-level postscript
output that treats text as text.</p>
</dd></dl>
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