start to remove lockPixels from bitmapshader

src/core/SkBitmapProcState.h

Index: src/core/SkBitmapProcState.h
diff --git a/src/core/SkBitmapProcState.h b/src/core/SkBitmapProcState.h
index 2522a69e7f0e59c776be86663b0f85abcd658f2e..46cb0977954e3f08a211f1ce2f20829f24e3bc08 100644
--- a/src/core/SkBitmapProcState.h
+++ b/src/core/SkBitmapProcState.h
@@ -13,6 +13,7 @@
 #include "SkBitmap.h"
 #include "SkBitmapFilter.h"
 #include "SkMatrix.h"
+#include "SkPaint.h"
 #include "SkScaledImageCache.h"
 
 #define FractionalInt_IS_64BIT
@@ -160,7 +161,8 @@ private:
     bool chooseProcs(const SkMatrix& inv, const SkPaint&);
     ShaderProc32 chooseShaderProc32();
 
-    void possiblyScaleImage();
+    bool possiblyScaleImage();

[scroggo, 2013/09/10 18:08:31]

Can you add documentation for what the return value means? If it's "whether the
image was scaled", maybe the name of the function should just be "scaleImage".

[reed1, 2013/09/10 20:28:11]

Done.

+    bool lockBaseBitmap();
 
     SkBitmapFilter* fBitmapFilter;