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<section id="module-pygame._sdl2.touch">
<span id="pygame-sdl2-touch"></span><dl class="definition">
<dt class="title module sig sig-object">
<code class="docutils literal notranslate"><span class="pre">pygame._sdl2.touch</span></code></dt>
<dd><div class="line-block">
<div class="line"><span class="summaryline">pygame module to work with touch input</span></div>
</div>
<table class="toc docutils align-default">
<colgroup>
<col style="width: 36%" />
<col style="width: 1%" />
<col style="width: 63%" />
</colgroup>
<tbody>
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="touch.html#pygame._sdl2.touch.get_num_devices">pygame._sdl2.touch.get_num_devices</a></div>
</td>
<td>—</td>
<td>get the number of touch devices</td>
</tr>
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="touch.html#pygame._sdl2.touch.get_device">pygame._sdl2.touch.get_device</a></div>
</td>
<td>—</td>
<td>get the a touch device id for a given index</td>
</tr>
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="touch.html#pygame._sdl2.touch.get_num_fingers">pygame._sdl2.touch.get_num_fingers</a></div>
</td>
<td>—</td>
<td>the number of active fingers for a given touch device</td>
</tr>
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="touch.html#pygame._sdl2.touch.get_finger">pygame._sdl2.touch.get_finger</a></div>
</td>
<td>—</td>
<td>get information about an active finger</td>
</tr>
</tbody>
</table>
<div class="versionadded">
<p><span class="versionmodified added">New in pygame 2: </span>This module requires SDL2.</p>
</div>
<dl class="py function definition">
<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_num_devices">
<span class="sig-prename descclassname"><span class="pre">pygame._sdl2.touch.</span></span><span class="sig-name descname"><span class="pre">get_num_devices</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame._sdl2.touch.get_num_devices" title="Permalink to this definition">¶</a></dt>
<dd><div class="line-block">
<div class="line"><span class="summaryline">get the number of touch devices</span></div>
<div class="line"><span class="signature">get_num_devices() -&gt; int</span></div>
</div>
<p>Return the number of available touch devices.</p>
</dd></dl>

<dl class="py function definition">
<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_device">
<span class="sig-prename descclassname"><span class="pre">pygame._sdl2.touch.</span></span><span class="sig-name descname"><span class="pre">get_device</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame._sdl2.touch.get_device" title="Permalink to this definition">¶</a></dt>
<dd><div class="line-block">
<div class="line"><span class="summaryline">get the a touch device id for a given index</span></div>
<div class="line"><span class="signature">get_device(index) -&gt; touchid</span></div>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>index</strong> (<em>int</em>) -- This number is at least 0 and less than the
<a class="reference internal" href="#pygame._sdl2.touch.get_num_devices" title="pygame._sdl2.touch.get_num_devices"><code class="xref py py-func docutils literal notranslate"><span class="pre">number</span> <span class="pre">of</span> <span class="pre">devices</span></code></a>.</p>
</dd>
</dl>
<p>Return an integer id associated with the given <code class="docutils literal notranslate"><span class="pre">index</span></code>.</p>
</dd></dl>

<dl class="py function definition">
<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_num_fingers">
<span class="sig-prename descclassname"><span class="pre">pygame._sdl2.touch.</span></span><span class="sig-name descname"><span class="pre">get_num_fingers</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame._sdl2.touch.get_num_fingers" title="Permalink to this definition">¶</a></dt>
<dd><div class="line-block">
<div class="line"><span class="summaryline">the number of active fingers for a given touch device</span></div>
<div class="line"><span class="signature">get_num_fingers(touchid) -&gt; int</span></div>
</div>
<p>Return the number of fingers active for the touch device
whose id is <cite>touchid</cite>.</p>
</dd></dl>

<dl class="py function definition">
<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_finger">
<span class="sig-prename descclassname"><span class="pre">pygame._sdl2.touch.</span></span><span class="sig-name descname"><span class="pre">get_finger</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame._sdl2.touch.get_finger" title="Permalink to this definition">¶</a></dt>
<dd><div class="line-block">
<div class="line"><span class="summaryline">get information about an active finger</span></div>
<div class="line"><span class="signature">get_finger(touchid, index) -&gt; int</span></div>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>touchid</strong> (<em>int</em>) -- The touch device id.</p></li>
<li><p><strong>index</strong> (<em>int</em>) -- The index of the finger to return
information about, between 0 and the
<a class="reference internal" href="#pygame._sdl2.touch.get_num_fingers" title="pygame._sdl2.touch.get_num_fingers"><code class="xref py py-func docutils literal notranslate"><span class="pre">number</span> <span class="pre">of</span> <span class="pre">active</span> <span class="pre">fingers</span></code></a>.</p></li>
</ul>
</dd>
</dl>
<p>Return a dict for the finger <code class="docutils literal notranslate"><span class="pre">index</span></code> active on <code class="docutils literal notranslate"><span class="pre">touchid</span></code>.
The dict contains these keys:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="nb">id</span>         <span class="n">the</span> <span class="nb">id</span> <span class="n">of</span> <span class="n">the</span> <span class="n">finger</span> <span class="p">(</span><span class="n">an</span> <span class="n">integer</span><span class="p">)</span><span class="o">.</span>
<span class="n">x</span>          <span class="n">the</span> <span class="n">normalized</span> <span class="n">x</span> <span class="n">position</span> <span class="n">of</span> <span class="n">the</span> <span class="n">finger</span><span class="p">,</span> <span class="n">between</span> <span class="mi">0</span> <span class="ow">and</span> <span class="mf">1.</span>
<span class="n">y</span>          <span class="n">the</span> <span class="n">normalized</span> <span class="n">y</span> <span class="n">position</span> <span class="n">of</span> <span class="n">the</span> <span class="n">finger</span><span class="p">,</span> <span class="n">between</span> <span class="mi">0</span> <span class="ow">and</span> <span class="mf">1.</span>
<span class="n">pressure</span>   <span class="n">the</span> <span class="n">amount</span> <span class="n">of</span> <span class="n">pressure</span> <span class="n">applied</span> <span class="n">by</span> <span class="n">the</span> <span class="n">finger</span><span class="p">,</span> <span class="n">between</span> <span class="mi">0</span> <span class="ow">and</span> <span class="mf">1.</span>
</pre></div>
</div>
</dd></dl>

</dd></dl>

</section>


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