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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkTileImageFilter_DEFINED
#define SkTileImageFilter_DEFINED
#include "SkImageFilter.h"
class SK_API SkTileImageFilter : public SkImageFilter {
typedef SkImageFilter INHERITED;
public:
/** Create a tile image filter
@param srcRect Defines the pixels to tile
@param dstRect Defines the pixels where tiles are drawn
@param input Input from which the subregion defined by srcRect will be tiled
*/
static SkTileImageFilter* Create(const SkRect& srcRect, const SkRect& dstRect,
SkImageFilter* input, uint32_t uniqueID = 0);
virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const Context& ctx,
SkBitmap* dst, SkIPoint* offset) const SK_OVERRIDE;
virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&,
SkIRect* dst) const SK_OVERRIDE;
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTileImageFilter)
protected:
SkTileImageFilter(const SkRect& srcRect, const SkRect& dstRect, SkImageFilter* input, uint32_t uniqueID)
: INHERITED(1, &input, NULL, uniqueID), fSrcRect(srcRect), fDstRect(dstRect) {}
#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
explicit SkTileImageFilter(SkReadBuffer& buffer);
#endif
virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
private:
SkRect fSrcRect;
SkRect fDstRect;
};
#endif
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