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      1 #ifndef SkPathHeap_DEFINED
      2 #define SkPathHeap_DEFINED
      3 
      4 #include "SkRefCnt.h"
      5 #include "SkChunkAlloc.h"
      6 #include "SkTDArray.h"
      7 
      8 class SkPath;
      9 class SkFlattenableReadBuffer;
     10 class SkFlattenableWriteBuffer;
     11 
     12 class SkPathHeap : public SkRefCnt {
     13 public:
     14             SkPathHeap();
     15             SkPathHeap(SkFlattenableReadBuffer&);
     16     virtual ~SkPathHeap();
     17 
     18     /** Copy the path into the heap, and return the new total number of paths.
     19         Thus, the returned value will be index+1, where index is the index of
     20         this newly added (copied) path.
     21      */
     22     int append(const SkPath&);
     23 
     24     // called during picture-playback
     25     int count() const { return fPaths.count(); }
     26     const SkPath& operator[](int index) const {
     27         return *fPaths[index];
     28     }
     29 
     30     void flatten(SkFlattenableWriteBuffer&) const;
     31 
     32 private:
     33     // we store the paths in the heap (placement new)
     34     SkChunkAlloc        fHeap;
     35     // we just store ptrs into fHeap here
     36     SkTDArray<SkPath*>  fPaths;
     37 };
     38 
     39 #endif
     40 
     41