commit d51ea26ea17e88e2ab1bd6eb5672d59b63892346
author mike@reedtribe.org <mike@reedtribe.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Sun Aug 12 18:50:34 2012 +0000
committer mike@reedtribe.org <mike@reedtribe.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Sun Aug 12 18:50:34 2012 +0000
tree 68b3825c74705e9573f098e4d8658eee2f7e8ca3
parent ed02c4d05e3f2ed86dbf4276a69827ab23810598

use premul macro to pack components



git-svn-id: http://skia.googlecode.com/svn/trunk@5043 2bbb7eff-a529-9590-31e7-b0007b416f81

src/effects/SkArithmeticMode.cpp

diff --git a/src/effects/SkArithmeticMode.cpp b/src/effects/SkArithmeticMode.cpp
index c999ce0..cd3c31d 100644
--- a/src/effects/SkArithmeticMode.cpp
+++ b/src/effects/SkArithmeticMode.cpp
@@ -107,14 +107,7 @@
                 b = blend(b, SkGetPackedB32(sc), scale);
             }
 
-            // turn the result back into premul
-            if (0xFF != a) {
-                int scale = a + (a >> 7);
-                r = SkAlphaMul(r, scale);
-                g = SkAlphaMul(g, scale);
-                b = SkAlphaMul(b, scale);
-            }
-            dst[i] = SkPackARGB32(a, r, g, b);
+            dst[i] = SkPremultiplyARGBInline(a, r, g, b);
         }
     }
 }