[Mono-bugs] [Bug 80323][Nor] Changed - Incorrect ColorMatrix alpha processing

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Wed Jan 3 16:42:44 EST 2007

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Changed by sebastien at ximian.com.


--- shadow/80323	2006-12-22 04:30:43.000000000 -0500
+++ shadow/80323.tmp.3225	2007-01-03 16:42:44.000000000 -0500
@@ -1,12 +1,12 @@
 Bug#: 80323
 Product: Mono: Class Libraries
 Version: 1.2
 OS: other
 OS Details: SUSE 10.1
-Status: RESOLVED   
+Status: CLOSED   
 Resolution: FIXED
 Severity: Unknown
 Priority: Normal
 Component: libgdiplus
 AssignedTo: sebastien at ximian.com                            
 ReportedBy: josecoig at cae.net               
@@ -201,6 +201,11 @@
 As a "bonus" (add to compile/test too often) the ColorMatrix code is
 now 30% faster than before :)
 ------- Additional Comments From josecoig at cae.net  2006-12-22 04:30 -------
 That is great news, and it's going to make the courseware we develop 
 run faster and better. Thanks! :)
+------- Additional Comments From sebastien at ximian.com  2007-01-03 16:42 -------
+The same (premultiplication) problem also affected loading transparent
+PNG bitmaps. More optimizations was added which reduce the time by
+another 20% (45% from the original ColorMatrix code).

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