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<div class="section" id="findpng">
<span id="module:FindPNG"></span><h1>FindPNG<a class="headerlink" href="#findpng" title="Permalink to this headline">¶</a></h1>
<p>Find libpng, the official reference library for the PNG image format.</p>
<div class="section" id="imported-targets">
<h2>Imported targets<a class="headerlink" href="#imported-targets" title="Permalink to this headline">¶</a></h2>
<p>This module defines the following <span class="target" id="index-0-prop_tgt:IMPORTED"></span><a class="reference internal" href="../prop_tgt/IMPORTED.html#prop_tgt:IMPORTED" title="IMPORTED"><code class="xref cmake cmake-prop_tgt docutils literal"><span class="pre">IMPORTED</span></code></a> target:</p>
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<dt><code class="docutils literal"><span class="pre">PNG::PNG</span></code></dt>
<dd>The libpng library, if found.</dd>
</dl>
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<div class="section" id="result-variables">
<h2>Result variables<a class="headerlink" href="#result-variables" title="Permalink to this headline">¶</a></h2>
<p>This module will set the following variables in your project:</p>
<dl class="docutils">
<dt><code class="docutils literal"><span class="pre">PNG_INCLUDE_DIRS</span></code></dt>
<dd>where to find png.h, etc.</dd>
<dt><code class="docutils literal"><span class="pre">PNG_LIBRARIES</span></code></dt>
<dd>the libraries to link against to use PNG.</dd>
<dt><code class="docutils literal"><span class="pre">PNG_DEFINITIONS</span></code></dt>
<dd>You should add_definitions(${PNG_DEFINITIONS}) before compiling code
that includes png library files.</dd>
<dt><code class="docutils literal"><span class="pre">PNG_FOUND</span></code></dt>
<dd>If false, do not try to use PNG.</dd>
<dt><code class="docutils literal"><span class="pre">PNG_VERSION_STRING</span></code></dt>
<dd>the version of the PNG library found (since CMake 2.8.8)</dd>
</dl>
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<div class="section" id="obsolete-variables">
<h2>Obsolete variables<a class="headerlink" href="#obsolete-variables" title="Permalink to this headline">¶</a></h2>
<p>The following variables may also be set, for backwards compatibility:</p>
<dl class="docutils">
<dt><code class="docutils literal"><span class="pre">PNG_LIBRARY</span></code></dt>
<dd>where to find the PNG library.</dd>
<dt><code class="docutils literal"><span class="pre">PNG_INCLUDE_DIR</span></code></dt>
<dd>where to find the PNG headers (same as PNG_INCLUDE_DIRS)</dd>
</dl>
<p>Since PNG depends on the ZLib compression library, none of the above
will be defined unless ZLib can be found.</p>
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<li><a class="reference internal" href="#imported-targets">Imported targets</a></li>
<li><a class="reference internal" href="#result-variables">Result variables</a></li>
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