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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="GimpColorArea">
<refmeta>
<refentrytitle id="top_of_page">GimpColorArea</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>LIBGIMPWIDGETS Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>GimpColorArea</refname>
<refpurpose>Displays a GimpRGB color, optionally with alpha-channel.</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv id="synopsis">
<title id="synopsis.title">Synopsis</title>
<synopsis>
<link linkend="GimpColorArea-struct">GimpColorArea</link>;
enum <link linkend="GimpColorAreaType">GimpColorAreaType</link>;
<link linkend="GtkWidget">GtkWidget</link>* <link linkend="gimp-color-area-new">gimp_color_area_new</link> (const <link linkend="GimpRGB">GimpRGB</link> *color,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type,
<link linkend="GdkModifierType">GdkModifierType</link> drag_mask);
<link linkend="void">void</link> <link linkend="gimp-color-area-set-color">gimp_color_area_set_color</link> (<link linkend="GimpColorArea">GimpColorArea</link> *area,
const <link linkend="GimpRGB">GimpRGB</link> *color);
<link linkend="void">void</link> <link linkend="gimp-color-area-get-color">gimp_color_area_get_color</link> (<link linkend="GimpColorArea">GimpColorArea</link> *area,
<link linkend="GimpRGB">GimpRGB</link> *color);
<link linkend="gboolean">gboolean</link> <link linkend="gimp-color-area-has-alpha">gimp_color_area_has_alpha</link> (<link linkend="GimpColorArea">GimpColorArea</link> *area);
<link linkend="void">void</link> <link linkend="gimp-color-area-set-type">gimp_color_area_set_type</link> (<link linkend="GimpColorArea">GimpColorArea</link> *area,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type);
<link linkend="void">void</link> <link linkend="gimp-color-area-set-draw-border">gimp_color_area_set_draw_border</link> (<link linkend="GimpColorArea">GimpColorArea</link> *area,
<link linkend="gboolean">gboolean</link> draw_border);
</synopsis>
</refsynopsisdiv>
<refsect1 id="object_hierarchy">
<title id="object_hierarchy.title">Object Hierarchy</title>
<synopsis>
<link linkend="GObject">GObject</link>
+----<link linkend="GInitiallyUnowned">GInitiallyUnowned</link>
+----<link linkend="GtkObject">GtkObject</link>
+----<link linkend="GtkWidget">GtkWidget</link>
+----<link linkend="GtkDrawingArea">GtkDrawingArea</link>
+----GimpColorArea
</synopsis>
</refsect1>
<refsect1 id="impl_interfaces">
<title id="impl_interfaces.title">Implemented Interfaces</title>
<para>
GimpColorArea implements
<link linkend="AtkImplementorIface">AtkImplementorIface</link>.</para>
</refsect1>
<refsect1 id="signal_proto">
<title id="signal_proto.title">Signals</title>
<synopsis>
"<link linkend="GimpColorArea-color-changed">color-changed</link>"
<link linkend="void">void</link> user_function (<link linkend="GimpColorArea">GimpColorArea</link> *gimpcolorarea,
<link linkend="gpointer">gpointer</link> user_data) : Run first
</synopsis>
</refsect1>
<refsect1 id="desc">
<title id="desc.title">Description</title>
<para>
</para>
</refsect1>
<refsect1 id="details">
<title id="details.title">Details</title>
<refsect2>
<title><anchor id="GimpColorArea-struct" role="struct"/>GimpColorArea</title>
<indexterm><primary>GimpColorArea</primary></indexterm><programlisting>typedef struct _GimpColorArea GimpColorArea;</programlisting>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="GimpColorAreaType" role="enum"/>enum GimpColorAreaType</title>
<indexterm><primary>GimpColorAreaType</primary></indexterm><programlisting>typedef enum
{
GIMP_COLOR_AREA_FLAT = 0,
GIMP_COLOR_AREA_SMALL_CHECKS,
GIMP_COLOR_AREA_LARGE_CHECKS
} GimpColorAreaType;
</programlisting>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="gimp-color-area-new" role="function"/>gimp_color_area_new ()</title>
<indexterm><primary>gimp_color_area_new</primary></indexterm><programlisting><link linkend="GtkWidget">GtkWidget</link>* gimp_color_area_new (const <link linkend="GimpRGB">GimpRGB</link> *color,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type,
<link linkend="GdkModifierType">GdkModifierType</link> drag_mask);</programlisting>
<para>
Creates a new <link linkend="GimpColorArea"><type>GimpColorArea</type></link> widget.
</para>
<para>
This returns a preview area showing the color. It handles color
DND. If the color changes, the "color_changed" signal is emitted.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>color</parameter> :</term>
<listitem><simpara> A pointer to a <link linkend="GimpRGB"><type>GimpRGB</type></link> struct.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>type</parameter> :</term>
<listitem><simpara> The type of color area to create.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>drag_mask</parameter> :</term>
<listitem><simpara> The event_mask that should trigger drags.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> Pointer to the new <link linkend="GimpColorArea"><type>GimpColorArea</type></link> widget.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-area-set-color" role="function"/>gimp_color_area_set_color ()</title>
<indexterm><primary>gimp_color_area_set_color</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_area_set_color (<link linkend="GimpColorArea">GimpColorArea</link> *area,
const <link linkend="GimpRGB">GimpRGB</link> *color);</programlisting>
<para>
Sets <parameter>area</parameter> to a different <parameter>color</parameter>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>area</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorArea"><type>GimpColorArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>color</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpRGB"><type>GimpRGB</type></link> struct that defines the new color.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-area-get-color" role="function"/>gimp_color_area_get_color ()</title>
<indexterm><primary>gimp_color_area_get_color</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_area_get_color (<link linkend="GimpColorArea">GimpColorArea</link> *area,
<link linkend="GimpRGB">GimpRGB</link> *color);</programlisting>
<para>
Retrieves the current color of the <parameter>area</parameter>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>area</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorArea"><type>GimpColorArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>color</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpRGB"><type>GimpRGB</type></link> struct that is used to return the color.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-area-has-alpha" role="function"/>gimp_color_area_has_alpha ()</title>
<indexterm><primary>gimp_color_area_has_alpha</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link> gimp_color_area_has_alpha (<link linkend="GimpColorArea">GimpColorArea</link> *area);</programlisting>
<para>
Checks whether the <parameter>area</parameter> shows transparency information. This is determined
via the <parameter>area</parameter>'s <link linkend="GimpColorAreaType"><type>GimpColorAreaType</type></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>area</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorArea"><type>GimpColorArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if <parameter>area</parameter> shows transparency information, <link linkend="FALSE:CAPS"><literal>FALSE</literal></link> otherwise.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-area-set-type" role="function"/>gimp_color_area_set_type ()</title>
<indexterm><primary>gimp_color_area_set_type</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_area_set_type (<link linkend="GimpColorArea">GimpColorArea</link> *area,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type);</programlisting>
<para>
Allows to change the type of <parameter>area</parameter>. The <link linkend="GimpColorAreaType"><type>GimpColorAreaType</type></link> determines
whether the widget shows transparency information and chooses the size of
the checkerboard used to do that.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>area</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorArea"><type>GimpColorArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>type</parameter> :</term>
<listitem><simpara> A <link linkend="GimpColorAreaType"><type>GimpColorAreaType</type></link>.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-area-set-draw-border" role="function"/>gimp_color_area_set_draw_border ()</title>
<indexterm><primary>gimp_color_area_set_draw_border</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_area_set_draw_border (<link linkend="GimpColorArea">GimpColorArea</link> *area,
<link linkend="gboolean">gboolean</link> draw_border);</programlisting>
<para>
The <parameter>area</parameter> can draw a thin border in the foreground color around
itself. This function allows to toggle this behaviour on and
off. The default is not draw a border.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>area</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorArea"><type>GimpColorArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>draw_border</parameter> :</term>
<listitem><simpara> whether to draw a border or not
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
<refsect1 id="signals">
<title id="signals.title">Signal Details</title>
<refsect2><title><anchor id="GimpColorArea-color-changed"/>The "color-changed" signal</title>
<indexterm><primary>GimpColorArea::color-changed</primary></indexterm><programlisting><link linkend="void">void</link> user_function (<link linkend="GimpColorArea">GimpColorArea</link> *gimpcolorarea,
<link linkend="gpointer">gpointer</link> user_data) : Run first</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>gimpcolorarea</parameter> :</term>
<listitem><simpara>the object which received the signal.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>user_data</parameter> :</term>
<listitem><simpara>user data set when the signal handler was connected.</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
</refentry>
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