Add toString methods to SkImageFilter-derived classes

include/effects/SkMorphologyImageFilter.h

 /*
  * Copyright 2012 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 SkMorphologyImageFilter_DEFINED
 #define SkMorphologyImageFilter_DEFINED
@@ skipping 50 matching lines @@
         return SkNEW_ARGS(SkDilateImageFilter, (radiusX, radiusY, input, cropRect, uniqueID));
     }
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
 #if SK_SUPPORT_GPU
     virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context&,
                                 SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
 #endif
 
+    SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDilateImageFilter)
 
 protected:
     SkDilateImageFilter(int radiusX, int radiusY, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID)
         : INHERITED(radiusX, radiusY, input, cropRect, uniqueID) {}
 private:
     typedef SkMorphologyImageFilter INHERITED;
 };
 
 class SK_API SkErodeImageFilter : public SkMorphologyImageFilter {
 public:
     static SkErodeImageFilter* Create(int radiusX, int radiusY,
                                       SkImageFilter* input = NULL,
                                       const CropRect* cropRect = NULL,
                                       uint32_t uniqueID = 0) {
         if (radiusX < 0 || radiusY < 0) {
             return NULL;
         }
         return SkNEW_ARGS(SkErodeImageFilter, (radiusX, radiusY, input, cropRect, uniqueID));
     }
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
 #if SK_SUPPORT_GPU
     virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context&,
                                 SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
 #endif
 
+    SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter)
 
 protected:
     SkErodeImageFilter(int radiusX, int radiusY, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID)
         : INHERITED(radiusX, radiusY, input, cropRect, uniqueID) {}
 
 private:
     typedef SkMorphologyImageFilter INHERITED;
 };
 
 #endif