| #ifndef _SkTestImageFilters_h |
| #define _SkTestImageFilters_h |
| |
| #include "SkImageFilter.h" |
| #include "SkPoint.h" |
| |
| // Fun mode that scales down (only) and then scales back up to look pixelated |
| class SK_API SkDownSampleImageFilter : public SkImageFilter { |
| public: |
| static SkDownSampleImageFilter* Create(SkScalar scale, SkImageFilter* input = NULL) { |
| if (!SkScalarIsFinite(scale)) { |
| return NULL; |
| } |
| // we don't support scale in this range |
| if (scale > SK_Scalar1 || scale <= 0) { |
| return NULL; |
| } |
| return SkNEW_ARGS(SkDownSampleImageFilter, (scale, input)); |
| } |
| |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDownSampleImageFilter) |
| |
| protected: |
| SkDownSampleImageFilter(SkScalar scale, SkImageFilter* input) |
| : INHERITED(1, &input), fScale(scale) {} |
| #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| SkDownSampleImageFilter(SkReadBuffer& buffer); |
| #endif |
| virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| |
| virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
| SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE; |
| |
| private: |
| SkScalar fScale; |
| |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |