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>imagecolorallocate</H1
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>    (PHP 3, PHP 4 )</P
>imagecolorallocate&nbsp;--&nbsp;Allocate a color for an image</DIV
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>Description</H2
>int <B
CLASS="methodname"
>imagecolorallocate</B
> ( resource image, int red, int green, int blue)<BR
></BR
><P
>&#13;    <B
CLASS="function"
>imagecolorallocate()</B
> returns a color
    identifier representing the color composed of the given
    <SPAN
CLASS="acronym"
>RGB</SPAN
> components.  The <TT
CLASS="parameter"
><I
>im</I
></TT
>
    argument is the return from the <A
HREF="function.imagecreate.html"
><B
CLASS="function"
>imagecreate()</B
></A
>
    function. <TT
CLASS="parameter"
><I
>red</I
></TT
>, <TT
CLASS="parameter"
><I
>green</I
></TT
> and
    <TT
CLASS="parameter"
><I
>blue</I
></TT
> are the values of the red, green and blue
    component of the requested color respectively.  These parameters are
    integers between 0 and 255.
    <B
CLASS="function"
>imagecolorallocate()</B
> must be called
    to create each color that is to be used in the image represented
    by <TT
CLASS="parameter"
><I
>image</I
></TT
>.
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>$white = imagecolorallocate ($im, 255, 255, 255);
$black = imagecolorallocate ($im, 0, 0, 0);</PRE
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   </P
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>&#13;    Returns -1 if the allocation failed.
   </P
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