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<title>MagickCore: gem.c File Reference</title>
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<a class="el" href="dir_b44b349db36f8365f5234e57d3038770.html">magick</a></div>
<h1>gem.c File Reference</h1>
<p>
<code>#include "<a class="el" href="studio_8h-source.html">magick/studio.h</a>"</code><br>
<code>#include "<a class="el" href="color-private_8h-source.html">magick/color-private.h</a>"</code><br>
<code>#include "<a class="el" href="draw_8h-source.html">magick/draw.h</a>"</code><br>
<code>#include "<a class="el" href="gem_8h-source.html">magick/gem.h</a>"</code><br>
<code>#include "<a class="el" href="image_8h-source.html">magick/image.h</a>"</code><br>
<code>#include "<a class="el" href="image-private_8h-source.html">magick/image-private.h</a>"</code><br>
<code>#include "<a class="el" href="log_8h-source.html">magick/log.h</a>"</code><br>
<code>#include "<a class="el" href="memory___8h-source.html">magick/memory_.h</a>"</code><br>
<code>#include "<a class="el" href="pixel-private_8h-source.html">magick/pixel-private.h</a>"</code><br>
<code>#include "<a class="el" href="quantum_8h-source.html">magick/quantum.h</a>"</code><br>
<code>#include "<a class="el" href="random___8h-source.html">magick/random_.h</a>"</code><br>
<code>#include "<a class="el" href="resize_8h-source.html">magick/resize.h</a>"</code><br>
<code>#include "<a class="el" href="transform_8h-source.html">magick/transform.h</a>"</code><br>
<code>#include "<a class="el" href="signature_8h-source.html">magick/signature.h</a>"</code><br>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport void </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#2d9942b5ec868a0ac890b3753728fca1">ConvertHSBToRGB</a> (const double hue, const double saturation, const double brightness, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *red, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *green, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *blue)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#f95406ba42621c44ed524587bf2cd653">ConvertHueToRGB</a> (<a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> m1, <a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> m2, <a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> hue)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport void </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#f9e5a77cb028f8bce8a7fc8cdda7d95d">ConvertHSLToRGB</a> (const double hue, const double saturation, const double luminosity, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *red, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *green, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *blue)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport void </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#9c3a8e6656a26dbab55b7f37dfd1f1ee">ConvertHWBToRGB</a> (const double hue, const double whiteness, const double blackness, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *red, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *green, <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> *blue)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport void </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#91bed93bd79f9a65a972adfbf9f7cb6c">ConvertRGBToHSB</a> (const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> red, const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> green, const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> blue, double *hue, double *saturation, double *brightness)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#af56051e2b875921b5098f5accdfb327">MagickMax</a> (const double x, const double y)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#11636cfe72a7e3eddd3f73b3e894b545">MagickMin</a> (const double x, const double y)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport void </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#1303d7aaa439689bf636bb9fac649df0">ConvertRGBToHSL</a> (const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> red, const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> green, const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> blue, double *hue, double *saturation, double *luminosity)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport void </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#29ebe89aba0349a00e5d06dad3dd4137">ConvertRGBToHWB</a> (const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> red, const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> green, const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> blue, double *hue, double *whiteness, double *blackness)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport double </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#47d2ac187b9bffb27b803ddc6452bd7e">ExpandAffine</a> (const <a class="el" href="struct__AffineMatrix.html">AffineMatrix</a> *affine)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#86aafd34cec4c911d47b778b10388c4f">GetOptimalKernelWidth1D</a> (const double radius, const double sigma)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#2eb175b5f58ea7e0de8efb8bb4bf240a">GetOptimalKernelWidth2D</a> (const double radius, const double sigma)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">MagickExport unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="gem_8c.html#53dec8690a0d34ac385c5edfe0b068f6">GetOptimalKernelWidth</a> (const double radius, const double sigma)</td></tr>
</table>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="2d9942b5ec868a0ac890b3753728fca1"></a><!-- doxytag: member="gem.c::ConvertHSBToRGB" ref="2d9942b5ec868a0ac890b3753728fca1" args="(const double hue, const double saturation, const double brightness, Quantum *red, Quantum *green, Quantum *blue)" -->
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<td class="memname">MagickExport void ConvertHSBToRGB </td>
<td>(</td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>hue</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>saturation</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>brightness</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>red</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>green</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>blue</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="f9e5a77cb028f8bce8a7fc8cdda7d95d"></a><!-- doxytag: member="gem.c::ConvertHSLToRGB" ref="f9e5a77cb028f8bce8a7fc8cdda7d95d" args="(const double hue, const double saturation, const double luminosity, Quantum *red, Quantum *green, Quantum *blue)" -->
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<td class="memname">MagickExport void ConvertHSLToRGB </td>
<td>(</td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>hue</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>saturation</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>luminosity</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>red</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>green</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>blue</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="f95406ba42621c44ed524587bf2cd653"></a><!-- doxytag: member="gem.c::ConvertHueToRGB" ref="f95406ba42621c44ed524587bf2cd653" args="(MagickRealType m1, MagickRealType m2, MagickRealType hue)" -->
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<td class="memname">static <a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> ConvertHueToRGB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> </td>
<td class="paramname"> <em>m1</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> </td>
<td class="paramname"> <em>m2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> </td>
<td class="paramname"> <em>hue</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [inline, static]</code></td>
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<a class="anchor" name="9c3a8e6656a26dbab55b7f37dfd1f1ee"></a><!-- doxytag: member="gem.c::ConvertHWBToRGB" ref="9c3a8e6656a26dbab55b7f37dfd1f1ee" args="(const double hue, const double whiteness, const double blackness, Quantum *red, Quantum *green, Quantum *blue)" -->
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<td class="memname">MagickExport void ConvertHWBToRGB </td>
<td>(</td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>hue</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>whiteness</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"> <em>blackness</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>red</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>green</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> * </td>
<td class="paramname"> <em>blue</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="91bed93bd79f9a65a972adfbf9f7cb6c"></a><!-- doxytag: member="gem.c::ConvertRGBToHSB" ref="91bed93bd79f9a65a972adfbf9f7cb6c" args="(const Quantum red, const Quantum green, const Quantum blue, double *hue, double *saturation, double *brightness)" -->
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<td class="memname">MagickExport void ConvertRGBToHSB </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>red</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>green</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>blue</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>hue</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>saturation</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>brightness</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="1303d7aaa439689bf636bb9fac649df0"></a><!-- doxytag: member="gem.c::ConvertRGBToHSL" ref="1303d7aaa439689bf636bb9fac649df0" args="(const Quantum red, const Quantum green, const Quantum blue, double *hue, double *saturation, double *luminosity)" -->
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<td class="memname">MagickExport void ConvertRGBToHSL </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>red</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>green</em>, </td>
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<td></td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>blue</em>, </td>
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<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>hue</em>, </td>
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<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>saturation</em>, </td>
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<td class="paramtype">double * </td>
<td class="paramname"> <em>luminosity</em></td><td> </td>
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<td>)</td>
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<a class="anchor" name="29ebe89aba0349a00e5d06dad3dd4137"></a><!-- doxytag: member="gem.c::ConvertRGBToHWB" ref="29ebe89aba0349a00e5d06dad3dd4137" args="(const Quantum red, const Quantum green, const Quantum blue, double *hue, double *whiteness, double *blackness)" -->
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<td>(</td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>red</em>, </td>
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<td></td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>green</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> </td>
<td class="paramname"> <em>blue</em>, </td>
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<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>hue</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>whiteness</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>blackness</em></td><td> </td>
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<td>)</td>
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<a class="anchor" name="47d2ac187b9bffb27b803ddc6452bd7e"></a><!-- doxytag: member="gem.c::ExpandAffine" ref="47d2ac187b9bffb27b803ddc6452bd7e" args="(const AffineMatrix *affine)" -->
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<td class="paramtype">const <a class="el" href="struct__AffineMatrix.html">AffineMatrix</a> * </td>
<td class="paramname"> <em>affine</em> </td>
<td> ) </td>
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<td class="paramtype">const double </td>
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<a class="anchor" name="86aafd34cec4c911d47b778b10388c4f"></a><!-- doxytag: member="gem.c::GetOptimalKernelWidth1D" ref="86aafd34cec4c911d47b778b10388c4f" args="(const double radius, const double sigma)" -->
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<td class="paramtype">const double </td>
<td class="paramname"> <em>radius</em>, </td>
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<td class="paramtype">const double </td>
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<a class="anchor" name="2eb175b5f58ea7e0de8efb8bb4bf240a"></a><!-- doxytag: member="gem.c::GetOptimalKernelWidth2D" ref="2eb175b5f58ea7e0de8efb8bb4bf240a" args="(const double radius, const double sigma)" -->
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<td class="paramtype">const double </td>
<td class="paramname"> <em>radius</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const double </td>
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<a class="anchor" name="af56051e2b875921b5098f5accdfb327"></a><!-- doxytag: member="gem.c::MagickMax" ref="af56051e2b875921b5098f5accdfb327" args="(const double x, const double y)" -->
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<td class="paramtype">const double </td>
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<a class="anchor" name="11636cfe72a7e3eddd3f73b3e894b545"></a><!-- doxytag: member="gem.c::MagickMin" ref="11636cfe72a7e3eddd3f73b3e894b545" args="(const double x, const double y)" -->
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<td class="memname">static double MagickMin </td>
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<td class="paramtype">const double </td>
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<td class="paramtype">const double </td>
<td class="paramname"> <em>y</em></td><td> </td>
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<td></td><td></td><td width="100%"><code> [inline, static]</code></td>
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<hr size="1"><address style="text-align: right;"><small>Generated on Sat Jan 26 14:50:30 2008 for MagickCore by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.4 </small></address>
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