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<section id="module-pygame._sdl2.touch">
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<span id="pygame-sdl2-touch"></span><dl class="definition">
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<dt class="title module sig sig-object">
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<code class="docutils literal notranslate"><span class="pre">pygame._sdl2.touch</span></code></dt>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">pygame module to work with touch input</span></div>
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</div>
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<table class="toc docutils align-default">
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<tbody>
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<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>
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</td>
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<td>—</td>
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<td>get the number of touch devices</td>
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</tr>
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<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>
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</td>
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<td>—</td>
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<td>get the a touch device id for a given index</td>
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</tr>
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<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>
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</td>
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<td>—</td>
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<td>the number of active fingers for a given touch device</td>
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</tr>
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<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>
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</td>
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<td>—</td>
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<td>get information about an active finger</td>
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</tr>
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</tbody>
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</table>
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<div class="versionadded">
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<p><span class="versionmodified added">New in pygame 2: </span>This module requires SDL2.</p>
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</div>
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<dl class="py function definition">
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<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_num_devices">
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<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>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">get the number of touch devices</span></div>
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<div class="line"><span class="signature">get_num_devices() -> int</span></div>
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</div>
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<p>Return the number of available touch devices.</p>
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</dd></dl>
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<dl class="py function definition">
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<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_device">
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<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>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">get the a touch device id for a given index</span></div>
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<div class="line"><span class="signature">get_device(index) -> touchid</span></div>
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</div>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters<span class="colon">:</span></dt>
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<dd class="field-odd"><p><strong>index</strong> (<em>int</em>) -- This number is at least 0 and less than the
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<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>
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</dd>
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</dl>
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<p>Return an integer id associated with the given <code class="docutils literal notranslate"><span class="pre">index</span></code>.</p>
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</dd></dl>
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<dl class="py function definition">
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<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_num_fingers">
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<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>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">the number of active fingers for a given touch device</span></div>
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<div class="line"><span class="signature">get_num_fingers(touchid) -> int</span></div>
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</div>
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<p>Return the number of fingers active for the touch device
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whose id is <cite>touchid</cite>.</p>
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</dd></dl>
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<dl class="py function definition">
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<dt class="sig sig-object py title" id="pygame._sdl2.touch.get_finger">
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<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>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">get information about an active finger</span></div>
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<div class="line"><span class="signature">get_finger(touchid, index) -> int</span></div>
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</div>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters<span class="colon">:</span></dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>touchid</strong> (<em>int</em>) -- The touch device id.</p></li>
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<li><p><strong>index</strong> (<em>int</em>) -- The index of the finger to return
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information about, between 0 and the
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<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>
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</ul>
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</dd>
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</dl>
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<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>.
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The dict contains these keys:</p>
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<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>
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<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>
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<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>
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<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>
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</pre></div>
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</div>
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</dd></dl>
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</dd></dl>
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