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