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/* include/graphics/SkRasterizer.h
**
** Copyright 2006, Google Inc.
**
** 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 SkRasterizer_DEFINED
#define SkRasterizer_DEFINED

#include "SkFlattenable.h"
#include "SkMask.h"

class SkMaskFilter;
class SkMatrix;
class SkPath;
struct SkIRect;

class SkRasterizer : public SkFlattenable {
public:
    SkRasterizer() {}

    /** Turn the path into a mask, respecting the specified local->device matrix.
    */
    bool rasterize(const SkPath& path, const SkMatrix& matrix,
                   const SkIRect* clipBounds, SkMaskFilter* filter,
                   SkMask* mask, SkMask::CreateMode mode);

    virtual void flatten(SkFlattenableWriteBuffer& ) {}
protected:
    SkRasterizer(SkFlattenableReadBuffer&);

    virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix,
                             const SkIRect* clipBounds,
                             SkMask* mask, SkMask::CreateMode mode);

private:
    typedef SkFlattenable INHERITED;
};

#endif