src/third_party/skia/include/effects/SkTestImageFilters.h

   1 #ifndef _SkTestImageFilters_h
   2 #define _SkTestImageFilters_h
   3
   4 #include "SkImageFilter.h"
   5 #include "SkPoint.h"
   6
   7 // Fun mode that scales down (only) and then scales back up to look pixelated
   8 class SK_API SkDownSampleImageFilter : public SkImageFilter {
   9 public:
  10     static SkDownSampleImageFilter* Create(SkScalar scale, SkImageFilter* input = NULL) {
  11         return SkNEW_ARGS(SkDownSampleImageFilter, (scale, input));
  12     }
  13
  14     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDownSampleImageFilter)
  15
  16 protected:
  17     SkDownSampleImageFilter(SkScalar scale, SkImageFilter* input)
  18       : INHERITED(1, &input), fScale(scale) {}
  19     SkDownSampleImageFilter(SkReadBuffer& buffer);
  20     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
  21
  22     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
  23                                SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE;
  24
  25 private:
  26     SkScalar fScale;
  27
  28     typedef SkImageFilter INHERITED;
  29 };
  30
  31 #endif