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+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>GimpRGB: GIMP Color Library Reference Manual</title>
+<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot">
+<link rel="home" href="index.html" title="GIMP Color Library Reference Manual">
+<link rel="up" href="pt01.html" title="Part I. GIMP Color Library">
+<link rel="prev" href="pt01.html" title="Part I. GIMP Color Library">
+<link rel="next" href="libgimpcolor-GimpHSV.html" title="GimpHSV">
+<meta name="generator" content="GTK-Doc V1.33.1 (XML mode)">
+<link rel="stylesheet" href="style.css" type="text/css">
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+<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
+<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
+<td width="100%" align="left" class="shortcuts">
+<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
+ <a href="#libgimpcolor-GimpRGB.description" class="shortcut">Description</a></span>
+</td>
+<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
+<td><a accesskey="u" href="pt01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
+<td><a accesskey="p" href="pt01.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
+<td><a accesskey="n" href="libgimpcolor-GimpHSV.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
+</tr></table>
+<div class="refentry">
+<a name="libgimpcolor-GimpRGB"></a><div class="titlepage"></div>
+<div class="refnamediv"><table width="100%"><tr>
+<td valign="top">
+<h2><span class="refentrytitle"><a name="libgimpcolor-GimpRGB.top_of_page"></a>GimpRGB</span></h2>
+<p>GimpRGB — Definitions and Functions relating to RGB colors.</p>
+</td>
+<td class="gallery_image" valign="top" align="right"></td>
+</tr></table></div>
+<div class="refsect1">
+<a name="libgimpcolor-GimpRGB.functions"></a><h2>Functions</h2>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="functions_proto_type">
+<col class="functions_proto_name">
+</colgroup>
+<tbody>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-set" title="gimp_rgb_set ()">gimp_rgb_set</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-set-alpha" title="gimp_rgb_set_alpha ()">gimp_rgb_set_alpha</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-set-pixel" title="gimp_rgb_set_pixel ()">gimp_rgb_set_pixel</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-get-pixel" title="gimp_rgb_get_pixel ()">gimp_rgb_get_pixel</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-set-uchar" title="gimp_rgb_set_uchar ()">gimp_rgb_set_uchar</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-get-uchar" title="gimp_rgb_get_uchar ()">gimp_rgb_get_uchar</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gboolean</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-name" title="gimp_rgb_parse_name ()">gimp_rgb_parse_name</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gboolean</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-hex" title="gimp_rgb_parse_hex ()">gimp_rgb_parse_hex</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gboolean</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-css" title="gimp_rgb_parse_css ()">gimp_rgb_parse_css</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gint</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-list-names" title="gimp_rgb_list_names ()">gimp_rgb_list_names</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-add" title="gimp_rgb_add ()">gimp_rgb_add</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-subtract" title="gimp_rgb_subtract ()">gimp_rgb_subtract</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-multiply" title="gimp_rgb_multiply ()">gimp_rgb_multiply</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gdouble</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-distance" title="gimp_rgb_distance ()">gimp_rgb_distance</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gdouble</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-max" title="gimp_rgb_max ()">gimp_rgb_max</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gdouble</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-min" title="gimp_rgb_min ()">gimp_rgb_min</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-clamp" title="gimp_rgb_clamp ()">gimp_rgb_clamp</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-gamma" title="gimp_rgb_gamma ()">gimp_rgb_gamma</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gdouble</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-luminance" title="gimp_rgb_luminance ()">gimp_rgb_luminance</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">guchar</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-luminance-uchar" title="gimp_rgb_luminance_uchar ()">gimp_rgb_luminance_uchar</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gdouble</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-intensity" title="gimp_rgb_intensity ()">gimp_rgb_intensity</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">guchar</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-intensity-uchar" title="gimp_rgb_intensity_uchar ()">gimp_rgb_intensity_uchar</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-composite" title="gimp_rgb_composite ()">gimp_rgb_composite</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-set" title="gimp_rgba_set ()">gimp_rgba_set</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-set-pixel" title="gimp_rgba_set_pixel ()">gimp_rgba_set_pixel</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-get-pixel" title="gimp_rgba_get_pixel ()">gimp_rgba_get_pixel</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-set-uchar" title="gimp_rgba_set_uchar ()">gimp_rgba_set_uchar</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-get-uchar" title="gimp_rgba_get_uchar ()">gimp_rgba_get_uchar</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gboolean</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-parse-css" title="gimp_rgba_parse_css ()">gimp_rgba_parse_css</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-add" title="gimp_rgba_add ()">gimp_rgba_add</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-subtract" title="gimp_rgba_subtract ()">gimp_rgba_subtract</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-multiply" title="gimp_rgba_multiply ()">gimp_rgba_multiply</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gdouble</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgba-distance" title="gimp_rgba_distance ()">gimp_rgba_distance</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-LUMINANCE:CAPS" title="GIMP_RGB_LUMINANCE()">GIMP_RGB_LUMINANCE</a><span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-INTENSITY:CAPS" title="GIMP_RGB_INTENSITY()">GIMP_RGB_INTENSITY</a><span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">GParamSpec</span> *
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-param-spec-rgb" title="gimp_param_spec_rgb ()">gimp_param_spec_rgb</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-param-spec-rgb-get-default" title="gimp_param_spec_rgb_get_default ()">gimp_param_spec_rgb_get_default</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">gboolean</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-param-spec-rgb-has-alpha" title="gimp_param_spec_rgb_has_alpha ()">gimp_param_spec_rgb_has_alpha</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#GIMP-VALUE-HOLDS-RGB:CAPS" title="GIMP_VALUE_HOLDS_RGB()">GIMP_VALUE_HOLDS_RGB</a><span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-value-get-rgb" title="gimp_value_get_rgb ()">gimp_value_get_rgb</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">void</span>
+</td>
+<td class="function_name">
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-value-set-rgb" title="gimp_value_set_rgb ()">gimp_value_set_rgb</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect1">
+<a name="libgimpcolor-GimpRGB.other"></a><h2>Types and Values</h2>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="other_proto_type">
+<col class="other_proto_name">
+</colgroup>
+<tbody>
+<tr>
+<td class="datatype_keyword">struct</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB">GimpRGB</a></td>
+</tr>
+<tr>
+<td class="datatype_keyword">enum</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGBCompositeMode" title="enum GimpRGBCompositeMode">GimpRGBCompositeMode</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-LUMINANCE-RED:CAPS" title="GIMP_RGB_LUMINANCE_RED">GIMP_RGB_LUMINANCE_RED</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-LUMINANCE-GREEN:CAPS" title="GIMP_RGB_LUMINANCE_GREEN">GIMP_RGB_LUMINANCE_GREEN</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-LUMINANCE-BLUE:CAPS" title="GIMP_RGB_LUMINANCE_BLUE">GIMP_RGB_LUMINANCE_BLUE</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-INTENSITY-RED:CAPS" title="GIMP_RGB_INTENSITY_RED">GIMP_RGB_INTENSITY_RED</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-INTENSITY-GREEN:CAPS" title="GIMP_RGB_INTENSITY_GREEN">GIMP_RGB_INTENSITY_GREEN</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-RGB-INTENSITY-BLUE:CAPS" title="GIMP_RGB_INTENSITY_BLUE">GIMP_RGB_INTENSITY_BLUE</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-TYPE-RGB:CAPS" title="GIMP_TYPE_RGB">GIMP_TYPE_RGB</a></td>
+</tr>
+<tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="libgimpcolor-GimpRGB.html#GIMP-TYPE-PARAM-RGB:CAPS" title="GIMP_TYPE_PARAM_RGB">GIMP_TYPE_PARAM_RGB</a></td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect1">
+<a name="libgimpcolor-GimpRGB.description"></a><h2>Description</h2>
+<p>Definitions and Functions relating to RGB colors.</p>
+</div>
+<div class="refsect1">
+<a name="libgimpcolor-GimpRGB.functions_details"></a><h2>Functions</h2>
+<div class="refsect2">
+<a name="gimp-rgb-set"></a><h3>gimp_rgb_set ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_set (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> red</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> green</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> blue</code></em>);</pre>
+<p>Sets the red, green and blue components of <em class="parameter"><code>rgb</code></em>
+ and leaves the
+alpha component unchanged. The color values should be between 0.0
+and 1.0 but there is no check to enforce this and the values are
+set exactly as they are passed in.</p>
+<div class="refsect3">
+<a name="gimp-rgb-set.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>red</p></td>
+<td class="parameter_description"><p>the red component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>green</p></td>
+<td class="parameter_description"><p>the green component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>blue</p></td>
+<td class="parameter_description"><p>the blue component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-set-alpha"></a><h3>gimp_rgb_set_alpha ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_set_alpha (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> alpha</code></em>);</pre>
+<p>Sets the alpha component of <em class="parameter"><code>rgb</code></em>
+ and leaves the RGB components unchanged.</p>
+<div class="refsect3">
+<a name="gimp-rgb-set-alpha.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>alpha</p></td>
+<td class="parameter_description"><p>the alpha component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-set-pixel"></a><h3>gimp_rgb_set_pixel ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_set_pixel (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code>const <span class="type">Babl</span> *format</code></em>,
+ <em class="parameter"><code><span class="type">gconstpointer</span> pixel</code></em>);</pre>
+<p>Sets the red, green and blue components of <em class="parameter"><code>rgb</code></em>
+ from the color
+stored in <em class="parameter"><code>pixel</code></em>
+. The pixel format of <em class="parameter"><code>pixel</code></em>
+ is determined by
+<em class="parameter"><code>format</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgb-set-pixel.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>format</p></td>
+<td class="parameter_description"><p>a Babl format</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>pixel</p></td>
+<td class="parameter_description"><p>pointer to the source pixel</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-get-pixel"></a><h3>gimp_rgb_get_pixel ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_get_pixel (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code>const <span class="type">Babl</span> *format</code></em>,
+ <em class="parameter"><code><span class="type">gpointer</span> pixel</code></em>);</pre>
+<p>Writes the red, green, blue and alpha components of <em class="parameter"><code>rgb</code></em>
+ to the
+color stored in <em class="parameter"><code>pixel</code></em>
+. The pixel format of <em class="parameter"><code>pixel</code></em>
+ is determined by
+<em class="parameter"><code>format</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgb-get-pixel.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>format</p></td>
+<td class="parameter_description"><p>a Babl format</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>pixel</p></td>
+<td class="parameter_description"><p>pointer to the destination pixel</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-set-uchar"></a><h3>gimp_rgb_set_uchar ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_set_uchar (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> red</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> green</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> blue</code></em>);</pre>
+<p>Sets the red, green and blue components of <em class="parameter"><code>rgb</code></em>
+ from 8bit values
+(0 to 255) and leaves the alpha component unchanged.</p>
+<div class="refsect3">
+<a name="gimp-rgb-set-uchar.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>red</p></td>
+<td class="parameter_description"><p>the red component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>green</p></td>
+<td class="parameter_description"><p>the green component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>blue</p></td>
+<td class="parameter_description"><p>the blue component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-get-uchar"></a><h3>gimp_rgb_get_uchar ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_get_uchar (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *red</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *green</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *blue</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-parse-name"></a><h3>gimp_rgb_parse_name ()</h3>
+<pre class="programlisting"><span class="returnvalue">gboolean</span>
+gimp_rgb_parse_name (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
+ <em class="parameter"><code><span class="type">gint</span> len</code></em>);</pre>
+<p>Attempts to parse a color name. This function accepts <a class="ulink" href="https://www.w3.org/TR/SVG/types.html#ColorKeywords" target="_top">SVG 1.0
+color keywords</a>.</p>
+<p>This function does not touch the alpha component of <em class="parameter"><code>rgb</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgb-parse-name.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct used to return the parsed color</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>name</p></td>
+<td class="parameter_description"><p>a color name (in UTF-8 encoding)</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>len</p></td>
+<td class="parameter_description"><p>the length of <em class="parameter"><code>name</code></em>
+, in bytes. or -1 if <em class="parameter"><code>name</code></em>
+is nul-terminated</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-parse-name.returns"></a><h4>Returns</h4>
+<p> <code class="literal">TRUE</code> if <em class="parameter"><code>name</code></em>
+was parsed successfully and <em class="parameter"><code>rgb</code></em>
+has
+been set, <code class="literal">FALSE</code> otherwise</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-2.html#api-index-2.2">2.2</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-parse-hex"></a><h3>gimp_rgb_parse_hex ()</h3>
+<pre class="programlisting"><span class="returnvalue">gboolean</span>
+gimp_rgb_parse_hex (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code>const <span class="type">gchar</span> *hex</code></em>,
+ <em class="parameter"><code><span class="type">gint</span> len</code></em>);</pre>
+<p>Attempts to parse a string describing an RGB color in hexadecimal
+notation (optionally prefixed with a '#').</p>
+<p>This function does not touch the alpha component of <em class="parameter"><code>rgb</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgb-parse-hex.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct used to return the parsed color</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>hex</p></td>
+<td class="parameter_description"><p>a string describing a color in hexadecimal notation</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>len</p></td>
+<td class="parameter_description"><p>the length of <em class="parameter"><code>hex</code></em>
+, in bytes. or -1 if <em class="parameter"><code>hex</code></em>
+is nul-terminated</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-parse-hex.returns"></a><h4>Returns</h4>
+<p> <code class="literal">TRUE</code> if <em class="parameter"><code>hex</code></em>
+was parsed successfully and <em class="parameter"><code>rgb</code></em>
+has
+been set, <code class="literal">FALSE</code> otherwise</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-2.html#api-index-2.2">2.2</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-parse-css"></a><h3>gimp_rgb_parse_css ()</h3>
+<pre class="programlisting"><span class="returnvalue">gboolean</span>
+gimp_rgb_parse_css (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code>const <span class="type">gchar</span> *css</code></em>,
+ <em class="parameter"><code><span class="type">gint</span> len</code></em>);</pre>
+<p>Attempts to parse a string describing an RGB color in CSS
+notation. This can be either a numerical representation
+(<code class="code">rgb(255,0,0)</code> or <code class="code">rgb(100%,0%,0%)</code>)
+or a hexadecimal notation as parsed by <a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-hex" title="gimp_rgb_parse_hex ()"><code class="function">gimp_rgb_parse_hex()</code></a>
+(<code class="code">#<span class="type">ff0000</span></code>) or a color name as parsed by
+<a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-name" title="gimp_rgb_parse_name ()"><code class="function">gimp_rgb_parse_name()</code></a> (<code class="code">red</code>).</p>
+<p>This function does not touch the alpha component of <em class="parameter"><code>rgb</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgb-parse-css.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct used to return the parsed color</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>css</p></td>
+<td class="parameter_description"><p>a string describing a color in CSS notation</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>len</p></td>
+<td class="parameter_description"><p>the length of <em class="parameter"><code>hex</code></em>
+, in bytes. or -1 if <em class="parameter"><code>hex</code></em>
+is nul-terminated</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-parse-css.returns"></a><h4>Returns</h4>
+<p> <code class="literal">TRUE</code> if <em class="parameter"><code>css</code></em>
+was parsed successfully and <em class="parameter"><code>rgb</code></em>
+has been
+set, <code class="literal">FALSE</code> otherwise</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-2.html#api-index-2.2">2.2</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-list-names"></a><h3>gimp_rgb_list_names ()</h3>
+<pre class="programlisting"><span class="returnvalue">gint</span>
+gimp_rgb_list_names (<em class="parameter"><code>const <span class="type">gchar</span> ***names</code></em>,
+ <em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> **colors</code></em>);</pre>
+<p>Returns the list of <a class="ulink" href="https://www.w3.org/TR/SVG/types.html" target="_top">SVG 1.0 color
+keywords</a> that is used by <a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-name" title="gimp_rgb_parse_name ()"><code class="function">gimp_rgb_parse_name()</code></a>.</p>
+<p>The returned strings are const and must not be freed. Only the two
+arrays are allocated dynamically. You must call <code class="function">g_free()</code> on the
+<em class="parameter"><code>names</code></em>
+ and <em class="parameter"><code>colors</code></em>
+ arrays when they are not any longer needed.</p>
+<div class="refsect3">
+<a name="gimp-rgb-list-names.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>names</p></td>
+<td class="parameter_description"><p>return location for an array of color names</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>colors</p></td>
+<td class="parameter_description"><p>return location for an array of GimpRGB structs</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-list-names.returns"></a><h4>Returns</h4>
+<p> the number of named colors
+(i.e. the length of the returned arrays)</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-2.html#api-index-2.2">2.2</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-add"></a><h3>gimp_rgb_add ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_add (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb2</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-subtract"></a><h3>gimp_rgb_subtract ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_subtract (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb2</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-multiply"></a><h3>gimp_rgb_multiply ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_multiply (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb1</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> factor</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-distance"></a><h3>gimp_rgb_distance ()</h3>
+<pre class="programlisting"><span class="returnvalue">gdouble</span>
+gimp_rgb_distance (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb2</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-max"></a><h3>gimp_rgb_max ()</h3>
+<pre class="programlisting"><span class="returnvalue">gdouble</span>
+gimp_rgb_max (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-min"></a><h3>gimp_rgb_min ()</h3>
+<pre class="programlisting"><span class="returnvalue">gdouble</span>
+gimp_rgb_min (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-clamp"></a><h3>gimp_rgb_clamp ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_clamp (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-gamma"></a><h3>gimp_rgb_gamma ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_gamma (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> gamma</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-luminance"></a><h3>gimp_rgb_luminance ()</h3>
+<pre class="programlisting"><span class="returnvalue">gdouble</span>
+gimp_rgb_luminance (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+<div class="refsect3">
+<a name="gimp-rgb-luminance.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody><tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-luminance.returns"></a><h4>Returns</h4>
+<p> the luminous intensity of the range from 0.0 to 1.0.</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-luminance-uchar"></a><h3>gimp_rgb_luminance_uchar ()</h3>
+<pre class="programlisting"><span class="returnvalue">guchar</span>
+gimp_rgb_luminance_uchar (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+<div class="refsect3">
+<a name="gimp-rgb-luminance-uchar.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody><tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-luminance-uchar.returns"></a><h4>Returns</h4>
+<p> the luminous intensity in the range from 0 to 255.</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-intensity"></a><h3>gimp_rgb_intensity ()</h3>
+<pre class="programlisting"><span class="returnvalue">gdouble</span>
+gimp_rgb_intensity (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+<div class="warning"><p><code class="literal">gimp_rgb_intensity</code> is deprecated and should not be used in newly-written code.</p></div>
+<p>This function is deprecated! Use <a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-luminance" title="gimp_rgb_luminance ()"><code class="function">gimp_rgb_luminance()</code></a> instead.</p>
+<div class="refsect3">
+<a name="gimp-rgb-intensity.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody><tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-intensity.returns"></a><h4>Returns</h4>
+<p> the intensity in the range from 0.0 to 1.0.</p>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-intensity-uchar"></a><h3>gimp_rgb_intensity_uchar ()</h3>
+<pre class="programlisting"><span class="returnvalue">guchar</span>
+gimp_rgb_intensity_uchar (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+<div class="warning"><p><code class="literal">gimp_rgb_intensity_uchar</code> is deprecated and should not be used in newly-written code.</p></div>
+<p>This function is deprecated! Use <a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-luminance-uchar" title="gimp_rgb_luminance_uchar ()"><code class="function">gimp_rgb_luminance_uchar()</code></a> instead.</p>
+<div class="refsect3">
+<a name="gimp-rgb-intensity-uchar.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody><tr>
+<td class="parameter_name"><p>rgb</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgb-intensity-uchar.returns"></a><h4>Returns</h4>
+<p> the intensity in the range from 0 to 255.</p>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgb-composite"></a><h3>gimp_rgb_composite ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgb_composite (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *color1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *color2</code></em>,
+ <em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGBCompositeMode" title="enum GimpRGBCompositeMode"><span class="type">GimpRGBCompositeMode</span></a> mode</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-set"></a><h3>gimp_rgba_set ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_set (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> red</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> green</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> blue</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> alpha</code></em>);</pre>
+<p>Sets the red, green, blue and alpha components of <em class="parameter"><code>rgb</code></em>
+. The values
+should be between 0.0 and 1.0 but there is no check to enforce this
+and the values are set exactly as they are passed in.</p>
+<div class="refsect3">
+<a name="gimp-rgba-set.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgba</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>red</p></td>
+<td class="parameter_description"><p>the red component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>green</p></td>
+<td class="parameter_description"><p>the green component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>blue</p></td>
+<td class="parameter_description"><p>the blue component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>alpha</p></td>
+<td class="parameter_description"><p>the alpha component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-set-pixel"></a><h3>gimp_rgba_set_pixel ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_set_pixel (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code>const <span class="type">Babl</span> *format</code></em>,
+ <em class="parameter"><code><span class="type">gconstpointer</span> pixel</code></em>);</pre>
+<p>Sets the red, green, blue and alpha components of <em class="parameter"><code>rgba</code></em>
+ from the
+color stored in <em class="parameter"><code>pixel</code></em>
+. The pixel format of <em class="parameter"><code>pixel</code></em>
+ is determined
+by <em class="parameter"><code>format</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgba-set-pixel.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgba</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>format</p></td>
+<td class="parameter_description"><p>a Babl format</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>pixel</p></td>
+<td class="parameter_description"><p>pointer to the source pixel</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-get-pixel"></a><h3>gimp_rgba_get_pixel ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_get_pixel (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code>const <span class="type">Babl</span> *format</code></em>,
+ <em class="parameter"><code><span class="type">gpointer</span> pixel</code></em>);</pre>
+<p>Writes the red, green, blue and alpha components of <em class="parameter"><code>rgba</code></em>
+ to the
+color stored in <em class="parameter"><code>pixel</code></em>
+. The pixel format of <em class="parameter"><code>pixel</code></em>
+ is determined by
+<em class="parameter"><code>format</code></em>
+.</p>
+<div class="refsect3">
+<a name="gimp-rgba-get-pixel.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgba</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>format</p></td>
+<td class="parameter_description"><p>a Babl format</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>pixel</p></td>
+<td class="parameter_description"><p>pointer to the destination pixel</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-set-uchar"></a><h3>gimp_rgba_set_uchar ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_set_uchar (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> red</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> green</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> blue</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> alpha</code></em>);</pre>
+<p>Sets the red, green, blue and alpha components of <em class="parameter"><code>rgb</code></em>
+ from 8bit
+values (0 to 255).</p>
+<div class="refsect3">
+<a name="gimp-rgba-set-uchar.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgba</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>red</p></td>
+<td class="parameter_description"><p>the red component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>green</p></td>
+<td class="parameter_description"><p>the green component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>blue</p></td>
+<td class="parameter_description"><p>the blue component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>alpha</p></td>
+<td class="parameter_description"><p>the alpha component</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-get-uchar"></a><h3>gimp_rgba_get_uchar ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_get_uchar (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *red</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *green</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *blue</code></em>,
+ <em class="parameter"><code><span class="type">guchar</span> *alpha</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-parse-css"></a><h3>gimp_rgba_parse_css ()</h3>
+<pre class="programlisting"><span class="returnvalue">gboolean</span>
+gimp_rgba_parse_css (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code>const <span class="type">gchar</span> *css</code></em>,
+ <em class="parameter"><code><span class="type">gint</span> len</code></em>);</pre>
+<p>Similar to <a class="link" href="libgimpcolor-GimpRGB.html#gimp-rgb-parse-css" title="gimp_rgb_parse_css ()"><code class="function">gimp_rgb_parse_css()</code></a> but handles RGB colors with alpha
+channel in the numerical CSS notation (<code class="code">rgba(255,0,0,255)</code>
+or <code class="code">rgba(100%,0%,0%,1000%)</code>).</p>
+<p>It doesn't handle the hexadecimal notation or color names because
+they leave the alpha channel unspecified.</p>
+<div class="refsect3">
+<a name="gimp-rgba-parse-css.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>rgba</p></td>
+<td class="parameter_description"><p>a <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> struct used to return the parsed color</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>css</p></td>
+<td class="parameter_description"><p>a string describing a color in CSS notation</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>len</p></td>
+<td class="parameter_description"><p>the length of <em class="parameter"><code>hex</code></em>
+, in bytes. or -1 if <em class="parameter"><code>hex</code></em>
+is nul-terminated</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-rgba-parse-css.returns"></a><h4>Returns</h4>
+<p> <code class="literal">TRUE</code> if <em class="parameter"><code>css</code></em>
+was parsed successfully and <em class="parameter"><code>rgb</code></em>
+has been
+set, <code class="literal">FALSE</code> otherwise</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-2.html#api-index-2.2">2.2</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-add"></a><h3>gimp_rgba_add ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_add (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba2</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-subtract"></a><h3>gimp_rgba_subtract ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_subtract (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba2</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-multiply"></a><h3>gimp_rgba_multiply ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_rgba_multiply (<em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba</code></em>,
+ <em class="parameter"><code><span class="type">gdouble</span> factor</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-rgba-distance"></a><h3>gimp_rgba_distance ()</h3>
+<pre class="programlisting"><span class="returnvalue">gdouble</span>
+gimp_rgba_distance (<em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba1</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgba2</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-LUMINANCE:CAPS"></a><h3>GIMP_RGB_LUMINANCE()</h3>
+<pre class="programlisting">#define GIMP_RGB_LUMINANCE(r,g,b)</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-INTENSITY:CAPS"></a><h3>GIMP_RGB_INTENSITY()</h3>
+<pre class="programlisting">#define GIMP_RGB_INTENSITY(r,g,b)</pre>
+<div class="warning"><p><code class="literal">GIMP_RGB_INTENSITY</code> is deprecated and should not be used in newly-written code.</p></div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-param-spec-rgb"></a><h3>gimp_param_spec_rgb ()</h3>
+<pre class="programlisting"><span class="returnvalue">GParamSpec</span> *
+gimp_param_spec_rgb (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
+ <em class="parameter"><code>const <span class="type">gchar</span> *nick</code></em>,
+ <em class="parameter"><code>const <span class="type">gchar</span> *blurb</code></em>,
+ <em class="parameter"><code><span class="type">gboolean</span> has_alpha</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *default_value</code></em>,
+ <em class="parameter"><code><span class="type">GParamFlags</span> flags</code></em>);</pre>
+<p>Creates a param spec to hold an <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> value.
+See <code class="function">g_param_spec_internal()</code> for more information.</p>
+<div class="refsect3">
+<a name="gimp-param-spec-rgb.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>name</p></td>
+<td class="parameter_description"><p>Canonical name of the param</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>nick</p></td>
+<td class="parameter_description"><p>Nickname of the param</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>blurb</p></td>
+<td class="parameter_description"><p>Brief description of param.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>has_alpha</p></td>
+<td class="parameter_description"><p><code class="literal">TRUE</code> if the alpha channel has relevance.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>default_value</p></td>
+<td class="parameter_description"><p>Value to use if none is assigned.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>flags</p></td>
+<td class="parameter_description"><p>a combination of <span class="type">GParamFlags</span></p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-param-spec-rgb.returns"></a><h4>Returns</h4>
+<p> a newly allocated <span class="type">GParamSpec</span> instance</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-param-spec-rgb-get-default"></a><h3>gimp_param_spec_rgb_get_default ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_param_spec_rgb_get_default (<em class="parameter"><code><span class="type">GParamSpec</span> *pspec</code></em>,
+ <em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *default_value</code></em>);</pre>
+<p>Returns the <em class="parameter"><code>pspec</code></em>
+'s default color value.</p>
+<div class="refsect3">
+<a name="gimp-param-spec-rgb-get-default.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="parameter_name"><p>pspec</p></td>
+<td class="parameter_description"><p>a <span class="type">GimpParamSpecRGB</span>.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>default_value</p></td>
+<td class="parameter_description"><p>return location for <em class="parameter"><code>pspec</code></em>
+'s default value</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<p class="since">Since: 2.10.14</p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-param-spec-rgb-has-alpha"></a><h3>gimp_param_spec_rgb_has_alpha ()</h3>
+<pre class="programlisting"><span class="returnvalue">gboolean</span>
+gimp_param_spec_rgb_has_alpha (<em class="parameter"><code><span class="type">GParamSpec</span> *pspec</code></em>);</pre>
+<div class="refsect3">
+<a name="gimp-param-spec-rgb-has-alpha.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="parameters_name">
+<col class="parameters_description">
+<col width="200px" class="parameters_annotations">
+</colgroup>
+<tbody><tr>
+<td class="parameter_name"><p>pspec</p></td>
+<td class="parameter_description"><p>a <span class="type">GParamSpec</span> to hold an <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> value.</p></td>
+<td class="parameter_annotations"> </td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="gimp-param-spec-rgb-has-alpha.returns"></a><h4>Returns</h4>
+<p> <code class="literal">TRUE</code> if the alpha channel is relevant.</p>
+</div>
+<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-VALUE-HOLDS-RGB:CAPS"></a><h3>GIMP_VALUE_HOLDS_RGB()</h3>
+<pre class="programlisting">#define GIMP_VALUE_HOLDS_RGB(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_RGB))
+</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-value-get-rgb"></a><h3>gimp_value_get_rgb ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_value_get_rgb (<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>,
+ <em class="parameter"><code><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="gimp-value-set-rgb"></a><h3>gimp_value_set_rgb ()</h3>
+<pre class="programlisting"><span class="returnvalue">void</span>
+gimp_value_set_rgb (<em class="parameter"><code><span class="type">GValue</span> *value</code></em>,
+ <em class="parameter"><code>const <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="struct GimpRGB"><span class="type">GimpRGB</span></a> *rgb</code></em>);</pre>
+</div>
+</div>
+<div class="refsect1">
+<a name="libgimpcolor-GimpRGB.other_details"></a><h2>Types and Values</h2>
+<div class="refsect2">
+<a name="GimpRGB"></a><h3>struct GimpRGB</h3>
+<pre class="programlisting">struct GimpRGB {
+ gdouble r, g, b, a;
+};
+</pre>
+<p>Used to keep RGB and RGBA colors. All components are in a range of
+[0.0..1.0].</p>
+<div class="refsect3">
+<a name="GimpRGB.members"></a><h4>Members</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="300px" class="struct_members_name">
+<col class="struct_members_description">
+<col width="200px" class="struct_members_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpRGB.r"></a>r</code></em>;</p></td>
+<td class="struct_member_description"><p>the red component</p></td>
+<td class="struct_member_annotations"> </td>
+</tr>
+<tr>
+<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpRGB.g"></a>g</code></em>;</p></td>
+<td class="struct_member_description"><p>the green component</p></td>
+<td class="struct_member_annotations"> </td>
+</tr>
+<tr>
+<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpRGB.b"></a>b</code></em>;</p></td>
+<td class="struct_member_description"><p>the blue component</p></td>
+<td class="struct_member_annotations"> </td>
+</tr>
+<tr>
+<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpRGB.a"></a>a</code></em>;</p></td>
+<td class="struct_member_description"><p>the alpha component</p></td>
+<td class="struct_member_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GimpRGBCompositeMode"></a><h3>enum GimpRGBCompositeMode</h3>
+<div class="refsect3">
+<a name="GimpRGBCompositeMode.members"></a><h4>Members</h4>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="300px" class="enum_members_name">
+<col class="enum_members_description">
+<col width="200px" class="enum_members_annotations">
+</colgroup>
+<tbody>
+<tr>
+<td class="enum_member_name"><p><a name="GIMP-RGB-COMPOSITE-NONE:CAPS"></a>GIMP_RGB_COMPOSITE_NONE</p></td>
+<td class="enum_member_description">
+<p>don't do compositing</p>
+</td>
+<td class="enum_member_annotations"> </td>
+</tr>
+<tr>
+<td class="enum_member_name"><p><a name="GIMP-RGB-COMPOSITE-NORMAL:CAPS"></a>GIMP_RGB_COMPOSITE_NORMAL</p></td>
+<td class="enum_member_description">
+<p>composite on top</p>
+</td>
+<td class="enum_member_annotations"> </td>
+</tr>
+<tr>
+<td class="enum_member_name"><p><a name="GIMP-RGB-COMPOSITE-BEHIND:CAPS"></a>GIMP_RGB_COMPOSITE_BEHIND</p></td>
+<td class="enum_member_description">
+<p>composite behind</p>
+</td>
+<td class="enum_member_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-LUMINANCE-RED:CAPS"></a><h3>GIMP_RGB_LUMINANCE_RED</h3>
+<pre class="programlisting">#define GIMP_RGB_LUMINANCE_RED (0.22248840)
+</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-LUMINANCE-GREEN:CAPS"></a><h3>GIMP_RGB_LUMINANCE_GREEN</h3>
+<pre class="programlisting">#define GIMP_RGB_LUMINANCE_GREEN (0.71690369)
+</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-LUMINANCE-BLUE:CAPS"></a><h3>GIMP_RGB_LUMINANCE_BLUE</h3>
+<pre class="programlisting">#define GIMP_RGB_LUMINANCE_BLUE (0.06060791)
+</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-INTENSITY-RED:CAPS"></a><h3>GIMP_RGB_INTENSITY_RED</h3>
+<pre class="programlisting">#define GIMP_RGB_INTENSITY_RED (0.30)
+</pre>
+<div class="warning"><p><code class="literal">GIMP_RGB_INTENSITY_RED</code> is deprecated and should not be used in newly-written code.</p></div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-INTENSITY-GREEN:CAPS"></a><h3>GIMP_RGB_INTENSITY_GREEN</h3>
+<pre class="programlisting">#define GIMP_RGB_INTENSITY_GREEN (0.59)
+</pre>
+<div class="warning"><p><code class="literal">GIMP_RGB_INTENSITY_GREEN</code> is deprecated and should not be used in newly-written code.</p></div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-RGB-INTENSITY-BLUE:CAPS"></a><h3>GIMP_RGB_INTENSITY_BLUE</h3>
+<pre class="programlisting">#define GIMP_RGB_INTENSITY_BLUE (0.11)
+</pre>
+<div class="warning"><p><code class="literal">GIMP_RGB_INTENSITY_BLUE</code> is deprecated and should not be used in newly-written code.</p></div>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-TYPE-RGB:CAPS"></a><h3>GIMP_TYPE_RGB</h3>
+<pre class="programlisting">#define GIMP_TYPE_RGB (gimp_rgb_get_type ())
+</pre>
+</div>
+<hr>
+<div class="refsect2">
+<a name="GIMP-TYPE-PARAM-RGB:CAPS"></a><h3>GIMP_TYPE_PARAM_RGB</h3>
+<pre class="programlisting">#define GIMP_TYPE_PARAM_RGB (gimp_param_rgb_get_type ())
+</pre>
+</div>
+</div>
+</div>
+<div class="footer">
+<hr>Generated by GTK-Doc V1.33.1</div>
+</body>
+</html> \ No newline at end of file
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