commit c6b3e48cb3a22d83ba3f4b9a614a5a35b05958a0
author bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Dec 07 20:43:52 2012 +0000
committer bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Dec 07 20:43:52 2012 +0000
tree b2b0aa8f38b1204e11f3d509ab8241db5d7ef96d
parent a2a31928470dfb642880f6ab2e4d34b1c7f5d476

Improve handling of inverse clip paths in GrClipMaskManager.

Will require rebaselining of complexclip_aa and complexclip_aa_layer on GPU.

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6907052

git-svn-id: http://skia.googlecode.com/svn/trunk@6712 2bbb7eff-a529-9590-31e7-b0007b416f81

src/core/SkClipStack.cpp

diff --git a/src/core/SkClipStack.cpp b/src/core/SkClipStack.cpp
index 107c20f..29d008a 100644
--- a/src/core/SkClipStack.cpp
+++ b/src/core/SkClipStack.cpp
@@ -16,6 +16,21 @@
 static const int32_t kFirstUnreservedGenID = 3;
 int32_t SkClipStack::gGenID = kFirstUnreservedGenID;
 
+void SkClipStack::Element::invertShapeFillType() {
+    switch (fType) {
+        case kRect_Type:
+            fPath.reset();
+            fPath.addRect(fRect);
+            fPath.setFillType(SkPath::kInverseWinding_FillType);
+            fType = kPath_Type;
+            break;
+        case kPath_Type:
+            fPath.toggleInverseFillType();
+        case kEmpty_Type:
+            break;
+    }
+}
+
 void SkClipStack::Element::checkEmpty() const {
     SkASSERT(fFiniteBound.isEmpty());
     SkASSERT(kNormal_BoundsType == fFiniteBoundType);