0daa1adb03
https://codereview.chromium.org/112603003/ git-svn-id: http://skia.googlecode.com/svn/trunk@12667 2bbb7eff-a529-9590-31e7-b0007b416f81
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
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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 "SkPixelRef.h"
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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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class SkMallocPixelRef : public SkPixelRef {
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public:
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/** Allocate the specified buffer for pixels. The memory is freed when the
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last owner of this pixelref is gone. If addr is NULL, sk_malloc_throw()
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is called to allocate it.
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*/
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SkMallocPixelRef(void* addr, size_t size, SkColorTable* ctable, bool ownPixels = true);
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virtual ~SkMallocPixelRef();
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void* getAddr() const { return fStorage; }
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMallocPixelRef)
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protected:
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// overrides from SkPixelRef
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virtual void* onLockPixels(SkColorTable**);
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virtual void onUnlockPixels();
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SkMallocPixelRef(SkFlattenableReadBuffer& buffer);
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virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
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// Returns the allocation size for the pixels
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virtual size_t getAllocatedSizeInBytes() const SK_OVERRIDE { return fSize; }
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private:
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void* fStorage;
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size_t fSize;
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SkColorTable* fCTable;
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bool fOwnPixels;
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typedef SkPixelRef INHERITED;
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};
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#endif
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