mirror of
https://github.com/Ryujinx/GtkSharp.git
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308 lines
10 KiB
XML
308 lines
10 KiB
XML
<Type Name="Color" FullName="Gdk.Color">
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<TypeSignature Language="C#" Value="public sealed struct Color;" Maintainer="auto" />
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<AssemblyInfo>
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<AssemblyName>gdk-sharp</AssemblyName>
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<AssemblyPublicKey>
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</AssemblyPublicKey>
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<AssemblyVersion>0.0.0.0</AssemblyVersion>
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<AssemblyCulture>neutral</AssemblyCulture>
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<Attributes />
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</AssemblyInfo>
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<ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the <link location="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details.</ThreadSafetyStatement>
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<Docs>
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<summary>Describes an allocated or unallocated color.</summary>
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<remarks>
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<para>
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The Gdk.Color structure is used to describe an allocated or
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unallocated color. Unallocated colors only have the red,
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green and blue ushort values initialized. Colors are
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allocated using the <see cref="M:Gdk.Colormap.AllocColor(Gdk.Color,bool,bool)" />
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method. After a color is allocated the value in the <see cref="F:Gdk.Color.pixel" /> field is valid.
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</para>
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<example>
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<code lang="C#">
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DrawRedLine (Gdk.Drawable drawable)
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{
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Gdk.GC gc = new Gdk.GC (drawable);
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Gdk.Color red_color = new Gdk.Color (0xff, 0, 0);
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// Use the system colormap, easy.
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Gdk.Colormap colormap = Gdk.Colormap.System;
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colormap.AllocColor (red_color, true, true);
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gc.Foreground = red_color;
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// Now you can use it
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drawable.DrawLine (gc, 0, 0, 100, 100);
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}
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</code>
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</example>
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</remarks>
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</Docs>
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<Base>
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<BaseTypeName>System.ValueType</BaseTypeName>
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</Base>
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<Interfaces />
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<Attributes />
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<Members>
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<Member MemberName="Zero">
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<MemberSignature Language="C#" Value="public static Gdk.Color Zero;" />
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<MemberType>Field</MemberType>
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<ReturnValue>
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<ReturnType>Gdk.Color</ReturnType>
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</ReturnValue>
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<Parameters />
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<Docs>
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<summary>Unallocated, empty color.</summary>
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<remarks />
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</Docs>
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</Member>
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<Member MemberName=".ctor">
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<MemberSignature Language="C#" Value="public Color (byte r, byte g, byte b);" />
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<MemberType>Constructor</MemberType>
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<ReturnValue />
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<Parameters>
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<Parameter Name="r" Type="System.Byte" />
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<Parameter Name="g" Type="System.Byte" />
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<Parameter Name="b" Type="System.Byte" />
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</Parameters>
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<Docs>
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<summary>Color constructor from RGB byte values</summary>
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<param name="r">Red value (0-255)</param>
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<param name="g">Green value (0-255)</param>
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<param name="b">Blue value (0-255)</param>
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<returns>The constructed color structure</returns>
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<remarks>
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<para>
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This constructs the color from three byte values for red,
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green and blue. Notice that the Gdk.Color structure
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actually uses 16-bit color values, so the byte values are
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mapped into the 16-bit value space. This is just a
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convenience routine to initialize this structure.
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</para>
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<para>
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To use the Gdk.Color you must allocate it within the
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current colormap.
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</para>
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<example>
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<code lang="C#">
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DrawRedLine (Gdk.Drawable drawable)
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{
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Gdk.GC gc = new Gdk.GC (drawable);
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Gdk.Color red_color = new Gdk.Color (0xff, 0, 0);
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// Use the system colormap, easy.
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Gdk.Colormap colormap = Gdk.Colormap.System;
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colormap.AllocColor (red_color, true, true);
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// Now you can use it
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drawable.DrawLine (gc, 0, 0, 100, 100);
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}
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</code>
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</example>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="Parse">
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<MemberSignature Language="C#" Value="public static bool Parse (string spec, ref Gdk.Color color);" />
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<MemberType>Method</MemberType>
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<ReturnValue>
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<ReturnType>System.Int32</ReturnType>
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</ReturnValue>
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<Parameters>
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<Parameter Name="spec" Type="System.String" />
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<Parameter Name="color" Type="Gdk.Color&" RefType="ref" />
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</Parameters>
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<Docs>
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<summary>Parses a textual color representation</summary>
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<param name="spec">A string specification for the color.</param>
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<param name="color">A structure where the colors are generated</param>
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<returns>Non-zero on success</returns>
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<remarks>
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<para>
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Parses a textual specification of a color and fill in the
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red, green, and blue fields of the Gdk.Color structure.
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The color is not allocated, you must call <see cref="M:Gdk.Colormap.AllocColor(Gdk.Color,bool,bool)" />
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yourself.
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</para>
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<para>
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The text string can be in any of the forms accepted by
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XParseColor; these include name for a color from rgb.txt,
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such as DarkSlateGray, or a hex specification such as
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305050.
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</para>
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<example>
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<code lang="C#">
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DrawRedLine (Gdk.Drawable drawable)
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{
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Gdk.GC gc = new Gdk.GC (drawable);
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Gdk.Color red_color;
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Gdk.Color.Parse ("red", ref red_color);
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// Use the system colormap, easy.
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Gdk.Colormap colormap = Gdk.Colormap.System;
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colormap.AllocColor (red_color, true, true);
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// Now you can use it
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drawable.DrawLine (gc, 0, 0, 100, 100);
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}
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</code>
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</example>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="New">
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<MemberSignature Language="C#" Value="public static Gdk.Color New (IntPtr raw);" />
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<MemberType>Method</MemberType>
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<ReturnValue>
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<ReturnType>Gdk.Color</ReturnType>
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</ReturnValue>
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<Parameters>
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<Parameter Name="raw" Type="System.IntPtr" />
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</Parameters>
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<Docs>
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<summary>Creates a color from an unmanaged location.</summary>
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<param name="raw">A pointer to the unmanaged GdkColor structure.</param>
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<returns>This returns a Gdk.Color structure.</returns>
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<remarks>
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<para>
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The <paramref name="raw" /> parameter points to a C-based
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GdkColor structure. This routine creates a Gdk.Color
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structure from its unmanaged version.
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</para>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="Equal">
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<MemberSignature Language="C#" Value="public bool Equal (Gdk.Color colorb);" />
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<MemberType>Method</MemberType>
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<ReturnValue>
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<ReturnType>System.Boolean</ReturnType>
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</ReturnValue>
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<Parameters>
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<Parameter Name="colorb" Type="Gdk.Color" />
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</Parameters>
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<Docs>
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<summary>Compares whether two colors are equal.</summary>
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<param name="colorb">The color to compare</param>
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<returns>true if the red, green and blue components are the same</returns>
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<remarks>
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<para>
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Notice that this will not compare the <see cref="F:Gdk.Color.pixel" /> value, it will
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only compare the red, green and blue elements.
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</para>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="ToString">
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<MemberSignature Language="C#" Value="public override string ToString ();" />
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<MemberType>Method</MemberType>
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<ReturnValue>
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<ReturnType>System.String</ReturnType>
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</ReturnValue>
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<Parameters />
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<Docs>
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<summary>The color value as a <see cref="T:System.String" />.</summary>
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<returns>The color value as a <see cref="T:System.String" />.</returns>
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<remarks>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="GetHashCode">
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<MemberSignature Language="C#" Value="public override int GetHashCode ();" />
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<MemberType>Method</MemberType>
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<ReturnValue>
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<ReturnType>System.Int32</ReturnType>
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</ReturnValue>
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<Parameters />
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<Docs>
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<summary>A hash function suitable for using for a hash table
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- that stores <see cref="T:Gdk.Color" /> objects.</summary>
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<returns>The hash code.</returns>
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<remarks>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="GType">
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<MemberSignature Language="C#" Value="public static GLib.GType GType { get; };" />
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<MemberType>Property</MemberType>
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<ReturnValue>
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<ReturnType>GLib.GType</ReturnType>
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</ReturnValue>
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<Parameters />
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<Docs>
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<summary>The GLib.GType for Gdk.Color</summary>
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<returns>a <see cref="T:GLib.GType" /></returns>
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<remarks>The GLib.GType for the Gdk.Color class.</remarks>
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</Docs>
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</Member>
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<Member MemberName="Pixel">
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<MemberSignature Language="C#" Value="public uint Pixel;" />
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<MemberType>Field</MemberType>
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<ReturnValue>
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<ReturnType>System.UInt32</ReturnType>
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</ReturnValue>
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<Parameters>
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</Parameters>
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<Docs>
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<summary>Pixel value for the color.</summary>
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<remarks>
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<para>
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Colors are specified in Gdk by their red, green and blue
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elements. But before the color can be used, the color
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has to be allocated in a given colormap. The value of the
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allocation is stored in this pixel field and it is the
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token used to render the color.
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</para>
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<para>
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The pixel value is initialized when using the <see cref="M:Gdk.Colormap.AllocColor(Gdk.Color,bool,bool)" /> method.
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</para>
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</remarks>
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</Docs>
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</Member>
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<Member MemberName="Red">
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<MemberSignature Language="C#" Value="public ushort Red;" />
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<MemberType>Field</MemberType>
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<ReturnValue>
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<ReturnType>System.UInt16</ReturnType>
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</ReturnValue>
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<Parameters>
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</Parameters>
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<Docs>
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<summary>Red element of the color.</summary>
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<remarks />
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</Docs>
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</Member>
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<Member MemberName="Green">
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<MemberSignature Language="C#" Value="public ushort Green;" />
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<MemberType>Field</MemberType>
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<ReturnValue>
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<ReturnType>System.UInt16</ReturnType>
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</ReturnValue>
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<Parameters>
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</Parameters>
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<Docs>
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<summary>Green element of the color.</summary>
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<remarks />
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</Docs>
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</Member>
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<Member MemberName="Blue">
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<MemberSignature Language="C#" Value="public ushort Blue;" />
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<MemberType>Field</MemberType>
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<ReturnValue>
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<ReturnType>System.UInt16</ReturnType>
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</ReturnValue>
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<Parameters>
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</Parameters>
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<Docs>
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<summary>Blue element of the color.</summary>
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<remarks />
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</Docs>
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</Member>
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</Members>
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</Type> |