2 * Copyright 2009, The Android Open Source Project
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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26 #ifndef WebCore_BitmapAllocatorAndroid_DEFINED
27 #define WebCore_BitmapAllocatorAndroid_DEFINED
34 class SharedBufferStream;
36 /** Returns a custom allocator that takes advantage of ashmem and global
37 pools to best manage the pixel memory for a decoded image. This should
38 be used for images that are logically immutable, and can be re-decoded
39 at will based on available memory.
41 class BitmapAllocatorAndroid : public SkBitmap::Allocator {
43 BitmapAllocatorAndroid(SharedBuffer* data, int sampleSize);
44 virtual ~BitmapAllocatorAndroid();
47 virtual bool allocPixelRef(SkBitmap*, SkColorTable*);
50 SharedBufferStream* fStream;
56 size_t computeMaxBitmapSizeForCache();