From 4e586d565859de3e685dd0b65054d136085fffe6 Mon Sep 17 00:00:00 2001
From: "Heilig (Cece) Szabolcs" <cece@php.net>
Date: Sat, 16 Aug 2003 19:29:17 +0000
Subject: [PATCH] added example (incorporated from user notes)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@138012 c90b9560-bf6c-de11-be94-00142212c4b1
---
 .../functions/imagecolorallocatealpha.xml     | 45 ++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/reference/image/functions/imagecolorallocatealpha.xml b/reference/image/functions/imagecolorallocatealpha.xml
index b8cda98c58..f227c7084d 100644
--- a/reference/image/functions/imagecolorallocatealpha.xml
+++ b/reference/image/functions/imagecolorallocatealpha.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <refentry id="function.imagecolorallocatealpha">
   <refnamediv>
    <refname>imagecolorallocatealpha</refname>
@@ -26,6 +26,49 @@
    <para>
     Returns &false; if the allocation failed.
    </para>
+   <para>
+    <example>
+     <title>Example of using <function>imagecolorallocatealpha</function></title>
+     <programlisting role="php">
+<![CDATA[
+<?php
+$size = 300;
+$Image=imagecreatetruecolor($size, $size);
+// something to get a white background
+$back = imagecolorallocate( $Image, 255, 255, 255 );
+$border = imagecolorallocate( $Image, 0, 0, 0);
+imagefilledrectangle ( $Image, 0, 0, $size-1, $size-1, $back);
+imagerectangle ( $Image, 0, 0, $size-1, $size-1, $border);
+
+$yellowX = 100;
+$yellowY = 75;
+$redX = 120;
+$redY = 165; 
+$blueX = 187;
+$blueY = 125; 
+$radius = 150;
+
+// allocate colors with alpha values
+$yellow = imagecolorallocateAlpha ( $Image, 255, 255, 0,75);
+$red    = ImageColorAllocateAlpha( $Image, 255, 0, 0, 75 );
+$blue   = ImageColorAllocateAlpha ( $Image, 0, 0, 255,75 );
+
+// drawing 3 overlapped circle
+ImageFilledEllipse($Image, $yellowX, $yellowY,$radius,$radius,$yellow);
+ImageFilledEllipse($Image, $redX, $redY,$radius,$radius,$red);   
+ImageFilledEllipse($Image, $blueX, $blueY,$radius,$radius,$blue);
+
+// don't forget to output correct header!
+header('Content-Type: image/png');
+
+// output the result
+ImagePNG($Image);
+ImageDestroy($Image);
+?>
+]]>
+     </programlisting>
+    </example>
+   <para>
    <para>
     See also <function>imagecolorallocate</function> and
     <function>imagecolordeallocate</function>.