[php-blog-cvs] serendipity/include functions_images.inc.php,1.16,1.17

[Tom S. <tom...@us...>]

Update of /cvsroot/php-blog/serendipity/include
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv12590

Modified Files:
	functions_images.inc.php 
Log Message:
- Support image/png transparency when resizing images


Index: functions_images.inc.php
===================================================================
RCS file: /cvsroot/php-blog/serendipity/include/functions_images.inc.php,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -d -r1.16 -r1.17
--- functions_images.inc.php	10 Dec 2004 18:25:13 -0000	1.16
+++ functions_images.inc.php	10 Dec 2004 18:53:55 -0000	1.17
@@ -733,6 +733,11 @@
     }
 
     $out = imagecreatetruecolor($newwidth, $newheight);
+
+    /* Attempt to copy transparency information, this really only works for PNG */
+    imagealphablending($out, false);
+    imagesavealpha($out, true);
+
     imagecopyresampled($out, $in, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
     $func['save']($out, $outfilename, 100);
     $out = null;