grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 63 insertions, 0 deletions

diff --git a/include/effects/SkEmbossMaskFilter.h b/include/effects/SkEmbossMaskFilter.h
new file mode 100644
index 0000000000..042a2a6b66
--- /dev/null
+++ b/include/effects/SkEmbossMaskFilter.h
@@ -0,0 +1,63 @@
+/*
+ * 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 SkEmbossMaskFilter_DEFINED
+#define SkEmbossMaskFilter_DEFINED
+
+#include "SkMaskFilter.h"
+
+/** \class SkEmbossMaskFilter
+
+    This mask filter creates a 3D emboss look, by specifying a light and blur amount.
+*/
+class SkEmbossMaskFilter : public SkMaskFilter {
+public:
+    struct Light {
+        SkScalar    fDirection[3];  // x,y,z
+        uint16_t    fPad;
+        uint8_t     fAmbient;
+        uint8_t     fSpecular;      // exponent, 4.4 right now
+    };
+
+    SkEmbossMaskFilter(const Light& light, SkScalar blurRadius);
+
+    // overrides from SkMaskFilter
+    //  This method is not exported to java.
+    virtual SkMask::Format getFormat();
+    //  This method is not exported to java.
+    virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix& matrix, SkIPoint* margin);
+
+    // overrides from SkFlattenable
+
+    //  This method is not exported to java.
+    virtual Factory getFactory();
+    //  This method is not exported to java.
+    virtual void flatten(SkFlattenableWriteBuffer&);
+
+protected:
+    SkEmbossMaskFilter(SkFlattenableReadBuffer&);
+
+private:
+    Light       fLight;
+    SkScalar    fBlurRadius;
+
+    static SkFlattenable* CreateProc(SkFlattenableReadBuffer&);
+    
+    typedef SkMaskFilter INHERITED;
+};
+
+#endif
+