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<HTML
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><HEAD
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><TITLE
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>colours</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.33"><LINK
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>Nano-X API Reference Manual</FONT
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></DIV
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><H1
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>colours</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN2425"
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></A
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><H2
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>Name</H2
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>colours &#8212; </DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN2428"
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></A
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><H2
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>Synopsis</H2
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="SYNOPSIS"
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>&#13;
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void        <A
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HREF="nano-x-colours.html#GRGETSYSTEMPALETTE"
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>GrGetSystemPalette</A
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>              (<GTKDOCLINK
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HREF="GR-PALETTE-CAPS"
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>GR_PALETTE</GTKDOCLINK
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> *pal);
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void        <A
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HREF="nano-x-colours.html#GRSETSYSTEMPALETTE"
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>GrSetSystemPalette</A
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>              (<GTKDOCLINK
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HREF="GR-COUNT-CAPS"
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>GR_COUNT</GTKDOCLINK
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> first,
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                                             <GTKDOCLINK
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HREF="GR-PALETTE-CAPS"
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>GR_PALETTE</GTKDOCLINK
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> *pal);
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void        <A
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HREF="nano-x-colours.html#GRFINDCOLOR"
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>GrFindColor</A
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>                     (<GTKDOCLINK
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HREF="GR-COLOR-CAPS"
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>GR_COLOR</GTKDOCLINK
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> c,
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                                             <GTKDOCLINK
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HREF="GR-PIXELVAL-CAPS"
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>GR_PIXELVAL</GTKDOCLINK
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> *retpixel);
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<GTKDOCLINK
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HREF="GR-COLOR-CAPS"
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>GR_COLOR</GTKDOCLINK
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>    <A
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HREF="nano-x-colours.html#GRGETSYSCOLOR"
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>GrGetSysColor</A
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>                   (int index);</PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN2441"
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></A
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><H2
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>Description</H2
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><P
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></P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN2444"
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></A
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><H2
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>Details</H2
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><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN2446"
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></A
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><H3
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><A
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NAME="GRGETSYSTEMPALETTE"
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></A
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>GrGetSystemPalette ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>void        GrGetSystemPalette              (<GTKDOCLINK
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HREF="GR-PALETTE-CAPS"
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>GR_PALETTE</GTKDOCLINK
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> *pal);</PRE
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></TD
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></TR
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></TABLE
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><P
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>Retrieves the system palette and places it in the specified palette
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structure.</P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
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><TABLE
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BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>pal</I
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></TT
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>&nbsp;:</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> pointer to a palette structure to fill in with the system palette</TD
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></TR
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><HR><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN2462"
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></A
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><H3
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><A
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NAME="GRSETSYSTEMPALETTE"
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></A
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>GrSetSystemPalette ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>void        GrSetSystemPalette              (<GTKDOCLINK
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HREF="GR-COUNT-CAPS"
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>GR_COUNT</GTKDOCLINK
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> first,
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                                             <GTKDOCLINK
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HREF="GR-PALETTE-CAPS"
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>GR_PALETTE</GTKDOCLINK
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> *pal);</PRE
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></TD
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></TR
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></TABLE
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><P
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>Sets the system palette to the values stored in the specified palette
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structure. The values before the specified first value are not set.</P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
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><TABLE
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BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>first</I
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></TT
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>&nbsp;:</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the first palette value to set</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>pal</I
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></TT
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>&nbsp;:</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> pointer to a palette structure containing the new values</TD
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></TR
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><HR><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN2483"
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></A
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><H3
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><A
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NAME="GRFINDCOLOR"
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></A
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>GrFindColor ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>void        GrFindColor                     (<GTKDOCLINK
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HREF="GR-COLOR-CAPS"
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>GR_COLOR</GTKDOCLINK
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> c,
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                                             <GTKDOCLINK
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HREF="GR-PIXELVAL-CAPS"
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>GR_PIXELVAL</GTKDOCLINK
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> *retpixel);</PRE
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></TD
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></TR
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></TABLE
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><P
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>Calculates the pixel value to use to display the specified colour value.
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The colour value is specified as a GR_COLOR, which is a 32 bit truecolour
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value stored as RGBX. The pixel value size depends on the architecture.</P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
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><TABLE
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BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>c</I
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></TT
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>&nbsp;:</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the colour value to find</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>retpixel</I
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></TT
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>&nbsp;:</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> pointer to the returned pixel value</TD
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></TR
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><HR><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN2504"
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></A
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><H3
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><A
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NAME="GRGETSYSCOLOR"
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></A
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>GrGetSysColor ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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><GTKDOCLINK
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HREF="GR-COLOR-CAPS"
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>GR_COLOR</GTKDOCLINK
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>    GrGetSysColor                   (int index);</PRE
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></TD
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></TR
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></TABLE
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><P
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></P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
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><TABLE
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BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>index</I
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></TT
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>&nbsp;:</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> an index into the server's colour look up table</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><I
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CLASS="EMPHASIS"
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>Returns</I
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the colour found at the specified index</TD
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></TR
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