reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | #ifndef SkImageRefPool_DEFINED |
| 2 | #define SkImageRefPool_DEFINED |
| 3 | |
| 4 | #include "SkTypes.h" |
| 5 | |
| 6 | class SkImageRef; |
| 7 | class SkImageRef_GlobalPool; |
| 8 | |
| 9 | class SkImageRefPool { |
| 10 | public: |
| 11 | SkImageRefPool(); |
| 12 | ~SkImageRefPool(); |
| 13 | |
| 14 | size_t getRAMBudget() const { return fRAMBudget; } |
| 15 | void setRAMBudget(size_t); |
| 16 | |
| 17 | size_t getRAMUsed() const { return fRAMUsed; } |
| 18 | void setRAMUsed(size_t limit); |
| 19 | |
| 20 | void addToHead(SkImageRef*); |
| 21 | void addToTail(SkImageRef*); |
| 22 | void detach(SkImageRef*); |
| 23 | |
| 24 | void dump() const; |
| 25 | |
| 26 | private: |
| 27 | size_t fRAMBudget; |
| 28 | size_t fRAMUsed; |
| 29 | |
| 30 | int fCount; |
| 31 | SkImageRef* fHead, *fTail; |
| 32 | |
| 33 | int computeCount() const; |
| 34 | |
| 35 | friend class SkImageRef_GlobalPool; |
| 36 | |
| 37 | void justAddedPixels(SkImageRef*); |
| 38 | void canLosePixels(SkImageRef*); |
| 39 | void purgeIfNeeded(); |
| 40 | }; |
| 41 | |
| 42 | #endif |
| 43 | |