From: Søren Sandmann Pedersen <sandmann@redhat.com>
Date: Sat, 29 Nov 2008 20:12:45 +0000 (-0500)
Subject: Fix ColorDodge and ColorBurn to conform to the spec
X-Git-Tag: 1.0_branch~962
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c35685255f07a5a1f656d3153b5534876481b65b;p=profile%2Fivi%2Fpixman.git

Fix ColorDodge and ColorBurn to conform to the spec
---

diff --git a/pixman/pixman-combine.c.template b/pixman/pixman-combine.c.template
index 01bbc31..080c067 100644
--- a/pixman/pixman-combine.c.template
+++ b/pixman/pixman-combine.c.template
@@ -542,7 +542,7 @@ static inline comp4_t
 BlendColorDodge (comp4_t dca, comp4_t da, comp4_t sca, comp4_t sa)
 {
     if (sca >= sa) {
-	return dca == 0 ? 0 : DivOne (sa * da);
+	return DivOne (sa * da);
     } else {
 	comp4_t rca = dca * sa * sa / (sa - sca);
 	return DivOne (rca > sa * da ? sa * da : rca);
@@ -564,7 +564,7 @@ static inline comp4_t
 BlendColorBurn (comp4_t dca, comp4_t da, comp4_t sca, comp4_t sa)
 {
     if (sca == 0) {
-	return (da == dca) ? DivOne (sa * da) : 0;
+	return DivOne (sa * da);
     } else {
 	comp4_t sada = sa * da;
 	comp4_t rca = (da - dca) * sa * sa / sca;