61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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.
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*/
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SkMallocPixelRef(void* addr, size_t size, SkColorTable* ctable);
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virtual ~SkMallocPixelRef();
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//! Return the allocation size for the pixels
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size_t getSize() const { return fSize; }
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// overrides from SkPixelRef
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virtual void flatten(SkFlattenableWriteBuffer&) const;
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virtual Factory getFactory() const {
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return Create;
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}
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static SkPixelRef* Create(SkFlattenableReadBuffer& buffer) {
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return SkNEW_ARGS(SkMallocPixelRef, (buffer));
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}
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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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private:
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void* fStorage;
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size_t fSize;
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SkColorTable* fCTable;
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typedef SkPixelRef INHERITED;
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};
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#endif
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