[php-blog-cvs] serendipity serendipity_functions.inc.php,1.58,1.59

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

Update of /cvsroot/php-blog/serendipity
In directory sc8-pr-cvs1:/tmp/cvs-serv26460

Modified Files:
	serendipity_functions.inc.php 
Log Message:
1) We don't preserve transparency (need a fix..)
2) We need to make sure PHP is compiled with imagepng before we use it


Index: serendipity_functions.inc.php
===================================================================
RCS file: /cvsroot/php-blog/serendipity/serendipity_functions.inc.php,v
retrieving revision 1.58
retrieving revision 1.59
diff -u -d -r1.58 -r1.59
--- serendipity_functions.inc.php	4 Jun 2003 22:02:17 -0000	1.58
+++ serendipity_functions.inc.php	4 Jun 2003 22:10:20 -0000	1.59
@@ -1150,10 +1150,13 @@
 	if ( !function_exists($loadfn) ) {
 		return false;
 	}
-	/* If the save function does not exist (i.e. read-only GIF), we want to output it as PNG
-	   This will at the same time preserve GIF transparency */  
+	/* If the save function does not exist (i.e. read-only GIF), we want to output it as PNG */
 	if ( !function_exists($savefn) ) {
-		$savefn = "imagepng";
+		if ( function_exists("imagepng") ) {
+			$savefn = "imagepng";
+		} else {
+			return false;
+		}
 	}
 
 	$in = $loadfn($infilename);