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<title>GIMP Base Library Reference Manual: gimpchecks</title>
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<h2><span class="refentrytitle"><a name="libgimpbase-gimpchecks.top_of_page"></a>gimpchecks</span></h2>
<p>gimpchecks — Constants and functions related to rendering
checkerboards.</p>
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<a name="libgimpbase-gimpchecks.functions"></a><h2>Functions</h2>
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<span class="returnvalue">void</span>
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<a class="link" href="libgimpbase-gimpchecks.html#gimp-checks-get-shades" title="gimp_checks_get_shades ()">gimp_checks_get_shades</a> <span class="c_punctuation">()</span>
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<a name="libgimpbase-gimpchecks.other"></a><h2>Types and Values</h2>
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<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-SIZE:CAPS" title="GIMP_CHECK_SIZE">GIMP_CHECK_SIZE</a></td>
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<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-SIZE-SM:CAPS" title="GIMP_CHECK_SIZE_SM">GIMP_CHECK_SIZE_SM</a></td>
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<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-DARK:CAPS" title="GIMP_CHECK_DARK">GIMP_CHECK_DARK</a></td>
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<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-LIGHT:CAPS" title="GIMP_CHECK_LIGHT">GIMP_CHECK_LIGHT</a></td>
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<a name="libgimpbase-gimpchecks.object-hierarchy"></a><h2>Object Hierarchy</h2>
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<div class="refsect1">
<a name="libgimpbase-gimpchecks.description"></a><h2>Description</h2>
<p>Constants and functions related to rendering checkerboards.</p>
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<div class="refsect1">
<a name="libgimpbase-gimpchecks.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gimp-checks-get-shades"></a><h3>gimp_checks_get_shades ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gimp_checks_get_shades (<em class="parameter"><code><a class="link" href="libgimpbase-gimpbaseenums.html#GimpCheckType" title="enum GimpCheckType"><span class="type">GimpCheckType</span></a> type</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"><span class="type">guchar</span></a> *light</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"><span class="type">guchar</span></a> *dark</code></em>);</pre>
<p>Retrieves the actual shades of gray to use when drawing a
checkerboard for a certain <a class="link" href="libgimpbase-gimpbaseenums.html#GimpCheckType" title="enum GimpCheckType"><span class="type">GimpCheckType</span></a>.</p>
<div class="refsect3">
<a name="id-1.2.7.7.2.5"></a><h4>Parameters</h4>
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<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the checkerboard type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>light</p></td>
<td class="parameter_description"><p>return location for the light shade</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dark</p></td>
<td class="parameter_description"><p>return location for the dark shade</p></td>
<td class="parameter_annotations"> </td>
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<p class="since">Since GIMP 2.2</p>
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<div class="refsect1">
<a name="libgimpbase-gimpchecks.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GIMP-CHECK-SIZE:CAPS"></a><h3>GIMP_CHECK_SIZE</h3>
<pre class="programlisting">#define GIMP_CHECK_SIZE 8
</pre>
<p>The default checkerboard size in pixels. This is configurable in
the core but GIMP plug-ins can't access the user preference and
should use this constant instead.</p>
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<hr>
<div class="refsect2">
<a name="GIMP-CHECK-SIZE-SM:CAPS"></a><h3>GIMP_CHECK_SIZE_SM</h3>
<pre class="programlisting">#define GIMP_CHECK_SIZE_SM 4
</pre>
<p>The default small checkerboard size in pixels.</p>
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<hr>
<div class="refsect2">
<a name="GIMP-CHECK-DARK:CAPS"></a><h3>GIMP_CHECK_DARK</h3>
<pre class="programlisting">#define GIMP_CHECK_DARK 0.4
</pre>
<p>The dark gray value for the default checkerboard pattern.</p>
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<hr>
<div class="refsect2">
<a name="GIMP-CHECK-LIGHT:CAPS"></a><h3>GIMP_CHECK_LIGHT</h3>
<pre class="programlisting">#define GIMP_CHECK_LIGHT 0.6
</pre>
<p>The dark light value for the default checkerboard pattern.</p>
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