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134 lines
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<title>gimplimits: GIMP Base Library Reference Manual</title>
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<a href="#libgimpbase-gimplimits.description" class="shortcut">Description</a></span>
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<a name="libgimpbase-gimplimits"></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-gimplimits.top_of_page"></a>gimplimits</span></h2>
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<p>gimplimits — Boundaries of some GIMP data types and some
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global constants.</p>
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</td>
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<td class="gallery_image" valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsect1">
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<a name="libgimpbase-gimplimits.functions"></a><h2>Functions</h2>
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<div class="informaltable"><table width="100%" border="0">
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<colgroup>
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<col width="150px" class="functions_return">
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<col class="functions_name">
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</colgroup>
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<tbody><tr>
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<td class="define_keyword">#define</td>
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<td class="function_name"><a class="link" href="libgimpbase-gimplimits.html#GIMP-MAX-MEMSIZE:CAPS" title="GIMP_MAX_MEMSIZE">GIMP_MAX_MEMSIZE</a></td>
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</tr></tbody>
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</table></div>
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</div>
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<div class="refsect1">
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<a name="libgimpbase-gimplimits.other"></a><h2>Types and Values</h2>
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<div class="informaltable"><table width="100%" border="0">
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<colgroup>
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<col width="150px" class="name">
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<col class="description">
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</colgroup>
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<tbody>
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<tr>
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<td class="define_keyword">#define</td>
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<td class="function_name"><a class="link" href="libgimpbase-gimplimits.html#GIMP-MIN-IMAGE-SIZE:CAPS" title="GIMP_MIN_IMAGE_SIZE">GIMP_MIN_IMAGE_SIZE</a></td>
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</tr>
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<tr>
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<td class="define_keyword">#define</td>
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<td class="function_name"><a class="link" href="libgimpbase-gimplimits.html#GIMP-MAX-IMAGE-SIZE:CAPS" title="GIMP_MAX_IMAGE_SIZE">GIMP_MAX_IMAGE_SIZE</a></td>
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</tr>
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<tr>
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<td class="define_keyword">#define</td>
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<td class="function_name"><a class="link" href="libgimpbase-gimplimits.html#GIMP-MIN-RESOLUTION:CAPS" title="GIMP_MIN_RESOLUTION">GIMP_MIN_RESOLUTION</a></td>
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</tr>
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<tr>
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<td class="define_keyword">#define</td>
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<td class="function_name"><a class="link" href="libgimpbase-gimplimits.html#GIMP-MAX-RESOLUTION:CAPS" title="GIMP_MAX_RESOLUTION">GIMP_MAX_RESOLUTION</a></td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<div class="refsect1">
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<a name="libgimpbase-gimplimits.description"></a><h2>Description</h2>
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<p>Boundaries of some GIMP data types and some global constants.</p>
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</div>
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<div class="refsect1">
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<a name="libgimpbase-gimplimits.functions_details"></a><h2>Functions</h2>
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<div class="refsect2">
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<a name="GIMP-MAX-MEMSIZE:CAPS"></a><h3>GIMP_MAX_MEMSIZE</h3>
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<pre class="programlisting">#define GIMP_MAX_MEMSIZE ((guint64) 1 << 42) /* 4 terabyte;
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</pre>
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<p>A large but arbitrary value that can be used when an upper limit
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for a memory size (in bytes) is needed. It is smaller than
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<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#G-MAXDOUBLE:CAPS"><code class="literal">G_MAXDOUBLE</code></a> since the <span class="type">GimpMemsizeEntry</span> doesn't handle larger
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values.</p>
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</div>
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</div>
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<div class="refsect1">
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<a name="libgimpbase-gimplimits.other_details"></a><h2>Types and Values</h2>
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<div class="refsect2">
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<a name="GIMP-MIN-IMAGE-SIZE:CAPS"></a><h3>GIMP_MIN_IMAGE_SIZE</h3>
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<pre class="programlisting">#define GIMP_MIN_IMAGE_SIZE 1
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</pre>
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<p>The minimum width and height of a GIMP image in pixels.</p>
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</div>
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<hr>
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<div class="refsect2">
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<a name="GIMP-MAX-IMAGE-SIZE:CAPS"></a><h3>GIMP_MAX_IMAGE_SIZE</h3>
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<pre class="programlisting">#define GIMP_MAX_IMAGE_SIZE 262144 /* 2^18 */
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</pre>
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<p>The maximum width and height of a GIMP image in pixels. This is a
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somewhat arbitray value that can be used when an upper value for
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pixel sizes is needed; for example to give a spin button an upper
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limit.</p>
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</div>
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<hr>
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<div class="refsect2">
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<a name="GIMP-MIN-RESOLUTION:CAPS"></a><h3>GIMP_MIN_RESOLUTION</h3>
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<pre class="programlisting">#define GIMP_MIN_RESOLUTION 5e-3 /* shouldn't display as 0.000 */
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</pre>
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<p>The minimum resolution of a GIMP image in pixels per inch. This is
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a somewhat arbitray value that can be used when a lower value for a
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resolution is needed. GIMP will not accept resolutions smaller than
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this value.</p>
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</div>
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<hr>
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<div class="refsect2">
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<a name="GIMP-MAX-RESOLUTION:CAPS"></a><h3>GIMP_MAX_RESOLUTION</h3>
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<pre class="programlisting">#define GIMP_MAX_RESOLUTION 65536.0
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</pre>
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<p>The maximum resolution of a GIMP image in pixels per inch. This is
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a somewhat arbitray value that can be used to when an upper value
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for a resolution is needed. GIMP will not accept resolutions larger
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than this value.</p>
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</div>
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</div>
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