grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkSpriteBlitter.h b/src/core/SkSpriteBlitter.h
new file mode 100644
index 0000000..9f7764d
--- /dev/null
+++ b/src/core/SkSpriteBlitter.h
@@ -0,0 +1,55 @@
+/* libs/graphics/sgl/SkSpriteBlitter.h
+**
+** Copyright 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 SkSpriteBlitter_DEFINED
+#define SkSpriteBlitter_DEFINED
+
+#include "SkBlitter.h"
+#include "SkBitmap.h"
+
+class SkPaint;
+
+class SkSpriteBlitter : public SkBlitter {
+public:
+ SkSpriteBlitter(const SkBitmap& source);
+ virtual ~SkSpriteBlitter();
+
+ virtual void setup(const SkBitmap& device, int left, int top,
+ const SkPaint& paint);
+
+ // overrides
+#ifdef SK_DEBUG
+ virtual void blitH(int x, int y, int width);
+ virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]);
+ virtual void blitV(int x, int y, int height, SkAlpha alpha);
+ virtual void blitMask(const SkMask&, const SkIRect& clip);
+#endif
+
+ static SkSpriteBlitter* ChooseD16(const SkBitmap& source, const SkPaint&,
+ void* storage, size_t storageSize);
+ static SkSpriteBlitter* ChooseD32(const SkBitmap& source, const SkPaint&,
+ void* storage, size_t storageSize);
+
+protected:
+ const SkBitmap* fDevice;
+ const SkBitmap* fSource;
+ int fLeft, fTop;
+ const SkPaint* fPaint;
+};
+
+#endif
+