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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkNinePatchIter_DEFINED
#define SkNinePatchIter_DEFINED
#include "SkScalar.h"
struct SkIRect;
struct SkRect;
/**
* Disect a ninepatch request into an sequence of src-rect / dst-rect pairs
*/
class SkNinePatchIter {
public:
static bool Valid(int imageWidth, int imageHeight, const SkIRect& center);
SkNinePatchIter(int imageWidth, int imageHeight, const SkIRect& center, const SkRect& dst);
/**
* While it returns true, use src/dst to draw the image/bitmap
*/
bool next(SkRect* src, SkRect* dst);
private:
SkScalar fSrcX[4];
SkScalar fSrcY[4];
SkScalar fDstX[4];
SkScalar fDstY[4];
int fCurrX;
int fCurrY;
bool fDone;
};
#endif
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