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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPictureUtils_DEFINED
#define SkPictureUtils_DEFINED
#include "SkPicture.h"
class SkData;
struct SkRect;
class SK_API SkPictureUtils {
public:
/**
* Given a rectangular visible "window" into the picture, return an array
* of SkPixelRefs that might intersect that area. To keep the call fast,
* the returned list is not guaranteed to be exact, so it may miss some,
* and it may return false positives.
*
* The pixelrefs returned in the SkData are already owned by the picture,
* so the returned pointers are only valid while the picture is in scope
* and remains unchanged.
*/
static SkData* GatherPixelRefs(SkPicture* pict, const SkRect& area);
};
#endif
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