149 lines
6.8 KiB
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149 lines
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<a href="#libgimpbase-gimpchecks.description" class="shortcut">Description</a>
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<div class="refentry" title="gimpchecks">
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<a name="libgimpbase-gimpchecks"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2><span class="refentrytitle"><a name="libgimpbase-gimpchecks.top_of_page"></a>gimpchecks</span></h2>
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<p>gimpchecks — Constants and functions related to rendering checkerboards.</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv" title="Synopsis">
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<a name="libgimpbase-gimpchecks.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">
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#define <a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-SIZE--CAPS" title="GIMP_CHECK_SIZE">GIMP_CHECK_SIZE</a>
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#define <a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-SIZE-SM--CAPS" title="GIMP_CHECK_SIZE_SM">GIMP_CHECK_SIZE_SM</a>
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#define <a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-DARK--CAPS" title="GIMP_CHECK_DARK">GIMP_CHECK_DARK</a>
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#define <a class="link" href="libgimpbase-gimpchecks.html#GIMP-CHECK-LIGHT--CAPS" title="GIMP_CHECK_LIGHT">GIMP_CHECK_LIGHT</a>
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void <a class="link" href="libgimpbase-gimpchecks.html#gimp-checks-get-shades" title="gimp_checks_get_shades ()">gimp_checks_get_shades</a> (<a class="link" href="libgimpbase-gimpbaseenums.html#GimpCheckType" title="enum GimpCheckType">GimpCheckType</a> type,
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<a
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href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guchar"
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>guchar</a> *light,
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<a
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href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guchar"
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>guchar</a> *dark);
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</pre>
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</div>
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<div class="refsect1" title="Description">
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<a name="libgimpbase-gimpchecks.description"></a><h2>Description</h2>
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<p>
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Constants and functions related to rendering checkerboards.
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</p>
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</div>
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<div class="refsect1" title="Details">
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<a name="libgimpbase-gimpchecks.details"></a><h2>Details</h2>
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<div class="refsect2" title="GIMP_CHECK_SIZE">
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<a name="GIMP-CHECK-SIZE--CAPS"></a><h3>GIMP_CHECK_SIZE</h3>
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<pre class="programlisting">#define GIMP_CHECK_SIZE 8
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</pre>
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<p>
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The default checkerboard size in pixels. This is configurable in the
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core but GIMP plug-ins can't access the user preference and should use
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this constant instead.
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</p>
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</div>
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<hr>
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<div class="refsect2" title="GIMP_CHECK_SIZE_SM">
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<a name="GIMP-CHECK-SIZE-SM--CAPS"></a><h3>GIMP_CHECK_SIZE_SM</h3>
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<pre class="programlisting">#define GIMP_CHECK_SIZE_SM 4
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</pre>
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<p>
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The default small checkerboard size in pixels.
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</p>
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</div>
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<hr>
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<div class="refsect2" title="GIMP_CHECK_DARK">
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<a name="GIMP-CHECK-DARK--CAPS"></a><h3>GIMP_CHECK_DARK</h3>
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<pre class="programlisting">#define GIMP_CHECK_DARK 0.4
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</pre>
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<p>
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The dark gray value for the default checkerboard pattern.
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</p>
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</div>
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<hr>
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<div class="refsect2" title="GIMP_CHECK_LIGHT">
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<a name="GIMP-CHECK-LIGHT--CAPS"></a><h3>GIMP_CHECK_LIGHT</h3>
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<pre class="programlisting">#define GIMP_CHECK_LIGHT 0.6
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</pre>
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<p>
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The light gray value for the default checkerboard pattern.
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</p>
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</div>
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<hr>
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<div class="refsect2" title="gimp_checks_get_shades ()">
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<a name="gimp-checks-get-shades"></a><h3>gimp_checks_get_shades ()</h3>
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<pre class="programlisting">void gimp_checks_get_shades (<a class="link" href="libgimpbase-gimpbaseenums.html#GimpCheckType" title="enum GimpCheckType">GimpCheckType</a> type,
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<a
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href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guchar"
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>guchar</a> *light,
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<a
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href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guchar"
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>guchar</a> *dark);</pre>
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<p>
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Retrieves the actual shades of gray to use when drawing a
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checkerboard for a certain <a class="link" href="libgimpbase-gimpbaseenums.html#GimpCheckType" title="enum GimpCheckType"><span class="type">GimpCheckType</span></a>.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
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<td> the checkerboard type
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>light</code></em> :</span></p></td>
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<td> return location for the light shade
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>dark</code></em> :</span></p></td>
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<td> return location for the dark shade
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.2</p>
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</div>
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</div>
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