Make filters use SkImage instead of SkBitmap

src/utils/SkDeferredCanvas.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDeferredCanvas.h"
 
@@ skipping 234 matching lines @@
     virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                             const SkPaint&) SK_OVERRIDE
         {SkASSERT(0);}
 
     void lockPixels() SK_OVERRIDE {}
     void unlockPixels() SK_OVERRIDE {}
 
     bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE {
         return false;
     }
-    virtual bool filterImage(const SkImageFilter*, const SkBitmap&,
-                             const SkImageFilter::Context&, SkBitmap*, SkIPoint*) SK_OVERRIDE {
+    virtual bool filterImage(const SkImageFilter*, const SkImage*,
+                             const SkImageFilter::Context&,
+                             SkAutoTUnref<const SkImage>&, SkIPoint*) SK_OVERRIDE {
         return false;
     }
 
 private:
     void flush() SK_OVERRIDE;
     void replaceBitmapBackend(const SkBitmap&) SK_OVERRIDE {}
 
     void beginRecording();
     void init();
     void aboutToDraw();
@@ skipping 706 matching lines @@
 SkDrawFilter* SkDeferredCanvas::setDrawFilter(SkDrawFilter* filter) {
     this->drawingCanvas()->setDrawFilter(filter);
     this->INHERITED::setDrawFilter(filter);
     this->recordedDrawCommand();
     return filter;
 }
 
 SkCanvas* SkDeferredCanvas::canvasForDrawIter() {
     return this->drawingCanvas();
 }