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<span class="target" id="module-PIL.ImagePath"></span><div class="section" id="imagepath-module">
<h1><code class="xref py py-mod docutils literal"><span class="pre">ImagePath</span></code> Module<a class="headerlink" href="#imagepath-module" title="Permalink to this headline">¶</a></h1>
<p>The <code class="xref py py-mod docutils literal"><span class="pre">ImagePath</span></code> module is used to store and manipulate 2-dimensional
vector data. Path objects can be passed to the methods on the
<a class="reference internal" href="ImageDraw.html#module-PIL.ImageDraw" title="PIL.ImageDraw"><code class="xref py py-mod docutils literal"><span class="pre">ImageDraw</span></code></a> module.</p>
<dl class="class">
<dt id="PIL.ImagePath.PIL.ImagePath.Path">
<em class="property">class </em><code class="descclassname">PIL.ImagePath.</code><code class="descname">Path</code><a class="headerlink" href="#PIL.ImagePath.PIL.ImagePath.Path" title="Permalink to this definition">¶</a></dt>
<dd><p>A path object. The coordinate list can be any sequence object containing
either 2-tuples [(x, y), …] or numeric values [x, y, …].</p>
<p>You can also create a path object from another path object.</p>
<p>In 1.1.6 and later, you can also pass in any object that implements
Python’s buffer API. The buffer should provide read access, and contain C
floats in machine byte order.</p>
<p>The path object implements most parts of the Python sequence interface, and
behaves like a list of (x, y) pairs. You can use len(), item access, and
slicing as usual. However, the current version does not support slice
assignment, or item and slice deletion.</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"><strong>xy</strong> – A sequence. The sequence can contain 2-tuples [(x, y), …]
or a flat list of numbers [x, y, …].</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="PIL.ImagePath.PIL.ImagePath.Path.compact">
<code class="descclassname">PIL.ImagePath.Path.</code><code class="descname">compact</code><span class="sig-paren">(</span><em>distance=2</em><span class="sig-paren">)</span><a class="headerlink" href="#PIL.ImagePath.PIL.ImagePath.Path.compact" title="Permalink to this definition">¶</a></dt>
<dd><p>Compacts the path, by removing points that are close to each other. This
method modifies the path in place, and returns the number of points left in
the path.</p>
<p><strong>distance</strong> is measured as <a class="reference external" href="https://en.wikipedia.org/wiki/Manhattan_distance">Manhattan distance</a> and defaults to two
pixels.</p>
</dd></dl>
<dl class="method">
<dt id="PIL.ImagePath.PIL.ImagePath.Path.getbbox">
<code class="descclassname">PIL.ImagePath.Path.</code><code class="descname">getbbox</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#PIL.ImagePath.PIL.ImagePath.Path.getbbox" title="Permalink to this definition">¶</a></dt>
<dd><p>Gets the bounding box of the path.</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">Returns:</th><td class="field-body"><code class="docutils literal"><span class="pre">(x0,</span> <span class="pre">y0,</span> <span class="pre">x1,</span> <span class="pre">y1)</span></code></td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="PIL.ImagePath.PIL.ImagePath.Path.map">
<code class="descclassname">PIL.ImagePath.Path.</code><code class="descname">map</code><span class="sig-paren">(</span><em>function</em><span class="sig-paren">)</span><a class="headerlink" href="#PIL.ImagePath.PIL.ImagePath.Path.map" title="Permalink to this definition">¶</a></dt>
<dd><p>Maps the path through a function.</p>
</dd></dl>
<dl class="method">
<dt id="PIL.ImagePath.PIL.ImagePath.Path.tolist">
<code class="descclassname">PIL.ImagePath.Path.</code><code class="descname">tolist</code><span class="sig-paren">(</span><em>flat=0</em><span class="sig-paren">)</span><a class="headerlink" href="#PIL.ImagePath.PIL.ImagePath.Path.tolist" title="Permalink to this definition">¶</a></dt>
<dd><p>Converts the path to a Python list [(x, y), …].</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"><strong>flat</strong> – By default, this function returns a list of 2-tuples
[(x, y), …]. If this argument is <cite>True</cite>, it
returns a flat list [x, y, …] instead.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">A list of coordinates. See <strong>flat</strong>.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="PIL.ImagePath.PIL.ImagePath.Path.transform">
<code class="descclassname">PIL.ImagePath.Path.</code><code class="descname">transform</code><span class="sig-paren">(</span><em>matrix</em><span class="sig-paren">)</span><a class="headerlink" href="#PIL.ImagePath.PIL.ImagePath.Path.transform" title="Permalink to this definition">¶</a></dt>
<dd><p>Transforms the path in place, using an affine transform. The matrix is a
6-tuple (a, b, c, d, e, f), and each point is mapped as follows:</p>
<div class="highlight-python"><div class="highlight"><pre><span></span><span class="n">xOut</span> <span class="o">=</span> <span class="n">xIn</span> <span class="o">*</span> <span class="n">a</span> <span class="o">+</span> <span class="n">yIn</span> <span class="o">*</span> <span class="n">b</span> <span class="o">+</span> <span class="n">c</span>
<span class="n">yOut</span> <span class="o">=</span> <span class="n">xIn</span> <span class="o">*</span> <span class="n">d</span> <span class="o">+</span> <span class="n">yIn</span> <span class="o">*</span> <span class="n">e</span> <span class="o">+</span> <span class="n">f</span>
</pre></div>
</div>
</dd></dl>
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