grab from latest android



git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/effects/SkCornerPathEffect.h b/include/effects/SkCornerPathEffect.h
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+++ b/include/effects/SkCornerPathEffect.h
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+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkCornerPathEffect_DEFINED
+#define SkCornerPathEffect_DEFINED
+
+#include "SkPathEffect.h"
+
+/** \class SkCornerPathEffect
+
+    SkCornerPathEffect is a subclass of SkPathEffect that can turn sharp corners
+    into various treatments (e.g. rounded corners)
+*/
+class SkCornerPathEffect : public SkPathEffect {
+public:
+    /** radius must be > 0 to have an effect. It specifies the distance from each corner
+        that should be "rounded".
+    */
+    SkCornerPathEffect(SkScalar radius);
+    virtual ~SkCornerPathEffect();
+
+    // overrides for SkPathEffect
+    //  This method is not exported to java.
+    virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width);
+
+    // overrides for SkFlattenable
+    //  This method is not exported to java.
+    virtual Factory getFactory();
+    //  This method is not exported to java.
+    virtual void flatten(SkFlattenableWriteBuffer&);
+
+protected:
+    SkCornerPathEffect(SkFlattenableReadBuffer&);
+
+private:
+    SkScalar    fRadius;
+
+    static SkFlattenable* CreateProc(SkFlattenableReadBuffer&);
+    
+    // illegal
+    SkCornerPathEffect(const SkCornerPathEffect&);
+    SkCornerPathEffect& operator=(const SkCornerPathEffect&);
+    
+    typedef SkPathEffect INHERITED;
+};
+
+#endif
+