Add skia to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 56 insertions, 0 deletions

diff --git a/skia/include/SkImageRef_GlobalPool.h b/skia/include/SkImageRef_GlobalPool.h
new file mode 100644
index 0000000..5469697
--- /dev/null
+++ b/skia/include/SkImageRef_GlobalPool.h
@@ -0,0 +1,56 @@
+#ifndef SkImageRef_GlobalPool_DEFINED
+#define SkImageRef_GlobalPool_DEFINED
+
+#include "SkImageRef.h"
+
+class SkImageRef_GlobalPool : public SkImageRef {
+public:
+    // if pool is null, use the global pool
+    SkImageRef_GlobalPool(SkStream*, SkBitmap::Config, int sampleSize = 1);
+    virtual ~SkImageRef_GlobalPool();
+    
+    // overrides
+    virtual Factory getFactory() const {
+        return Create;
+    }
+    static SkPixelRef* Create(SkFlattenableReadBuffer&);
+
+    // API to control the global pool
+
+    /** Return the amount specified as the budget for the cache (in bytes).
+     */
+    static size_t GetRAMBudget();
+    
+    /** Set a new budget value for the cache.
+     */
+    static void SetRAMBudget(size_t);
+    
+    /** Return how much ram is currently in use by the global cache.
+     */
+    static size_t GetRAMUsed();
+    
+    /** Free up (approximately) enough such that the amount used by the cache
+     is <= the specified amount. Since some images may be "in use", the
+     amount actually freed may not always result in a ram usage value <=
+     to the requested amount. In addition, because of the
+     chunky nature of the cache, the resulting usage may be < the requested
+     amount.
+     */
+    static void SetRAMUsed(size_t usageInBytes);
+    
+    static void DumpPool();
+
+protected:
+    virtual bool onDecode(SkImageDecoder* codec, SkStream* stream,
+                          SkBitmap* bitmap, SkBitmap::Config config,
+                          SkImageDecoder::Mode mode);
+    
+    virtual void onUnlockPixels();
+    
+    SkImageRef_GlobalPool(SkFlattenableReadBuffer&);
+
+private:
+    typedef SkImageRef INHERITED;
+};
+
+#endif