add scaledimagecache

src/core/SkBitmapProcState.h

 
 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkBitmapProcState_DEFINED
 #define SkBitmapProcState_DEFINED
 
 #include "SkBitmap.h"
 #include "SkBitmapFilter.h"
 #include "SkMatrix.h"
+#include "SkScaledImageCache.h"
 
 #define FractionalInt_IS_64BIT
 
 #ifdef FractionalInt_IS_64BIT
     typedef SkFixed48    SkFractionalInt;
     #define SkScalarToFractionalInt(x)  SkScalarToFixed48(x)
     #define SkFractionalIntToFixed(x)   SkFixed48ToFixed(x)
     #define SkFixedToFractionalInt(x)   SkFixedToFixed48(x)
     #define SkFractionalIntToInt(x)     SkFixed48ToInt(x)
 #else
     typedef SkFixed    SkFractionalInt;
     #define SkScalarToFractionalInt(x)  SkScalarToFixed(x)
     #define SkFractionalIntToFixed(x)   (x)
     #define SkFixedToFractionalInt(x)   (x)
     #define SkFractionalIntToInt(x)     ((x) >> 16)
 #endif
 
 class SkPaint;
 struct SkConvolutionProcs;
 
 struct SkBitmapProcState {
 
-    SkBitmapProcState(): fBitmapFilter(NULL) {}
+    SkBitmapProcState(): fScaledCacheID(NULL), fBitmapFilter(NULL) {}
     ~SkBitmapProcState() {
+        SkASSERT(NULL == fScaledCacheID);
         SkDELETE(fBitmapFilter);
     }
 
     typedef void (*ShaderProc32)(const SkBitmapProcState&, int x, int y,
                                  SkPMColor[], int count);
 
     typedef void (*ShaderProc16)(const SkBitmapProcState&, int x, int y,
                                  uint16_t[], int count);
 
     typedef void (*MatrixProc)(const SkBitmapProcState&,
@@ skipping 100 matching lines @@
     ShaderProc32        fShaderProc32;      // chooseProcs
     ShaderProc16        fShaderProc16;      // chooseProcs
     // These are used if the shaderproc is NULL
     MatrixProc          fMatrixProc;        // chooseProcs
     SampleProc32        fSampleProc32;      // chooseProcs
     SampleProc16        fSampleProc16;      // chooseProcs
 
     SkBitmap            fOrigBitmap;        // CONSTRUCTOR
     SkBitmap            fScaledBitmap;      // chooseProcs
 
+    SkScaledImageCache::ID* fScaledCacheID;
+
     MatrixProc chooseMatrixProc(bool trivial_matrix);
     bool chooseProcs(const SkMatrix& inv, const SkPaint&);
     ShaderProc32 chooseShaderProc32();
 
     void possiblyScaleImage();
 
     SkBitmapFilter* fBitmapFilter;
 
     ShaderProc32 chooseBitmapFilterProc();
 
@@ skipping 49 matching lines @@
 void ClampX_ClampY_nofilter_affine(const SkBitmapProcState& s,
                                    uint32_t xy[], int count, int x, int y);
 void S32_D16_filter_DX(const SkBitmapProcState& s,
                                    const uint32_t* xy, int count, uint16_t* colors);
 
 void highQualityFilter(const SkBitmapProcState &s, int x, int y,
                    SkPMColor *SK_RESTRICT colors, int count);
 
 
 #endif