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/*
* Copyright 2008 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkMallocPixelRef_DEFINED
#define SkMallocPixelRef_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkTypes.h"
#include <cstddef>
class SkData;
class SkPixelRef;
struct SkImageInfo;
/** We explicitly use the same allocator for our pixels that SkMask does,
so that we can freely assign memory allocated by one class to the other.
*/
namespace SkMallocPixelRef {
/**
* Return a new SkMallocPixelRef, automatically allocating storage for the
* pixels. If rowBytes are 0, an optimal value will be chosen automatically.
* If rowBytes is > 0, then it will be respected, or NULL will be returned
* if rowBytes is invalid for the specified info.
*
* All pixel bytes are zeroed.
*
* Returns NULL on failure.
*/
SK_API sk_sp<SkPixelRef> MakeAllocate(const SkImageInfo&, size_t rowBytes);
/**
* Return a new SkMallocPixelRef that will use the provided SkData and
* rowBytes as pixel storage. The SkData will be ref()ed and on
* destruction of the PixelRef, the SkData will be unref()ed.
*
* Returns NULL on failure.
*/
SK_API sk_sp<SkPixelRef> MakeWithData(const SkImageInfo&, size_t rowBytes, sk_sp<SkData> data);
} // namespace SkMallocPixelRef
#endif
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