reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 1 | |
| 2 | #ifndef _SkTestImageFilters_h |
| 3 | #define _SkTestImageFilters_h |
| 4 | |
| 5 | #include "SkImageFilter.h" |
reed@google.com | 8bb3ba1 | 2012-01-26 04:13:31 +0000 | [diff] [blame^] | 6 | #include "SkColorFilter.h" |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 7 | |
| 8 | class SkOffsetImageFilter : public SkImageFilter { |
| 9 | public: |
| 10 | SkOffsetImageFilter(SkScalar dx, SkScalar dy) { |
| 11 | fOffset.set(dx, dy); |
| 12 | } |
| 13 | |
| 14 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
| 15 | return SkNEW_ARGS(SkOffsetImageFilter, (buffer)); |
| 16 | } |
| 17 | |
| 18 | protected: |
| 19 | SkOffsetImageFilter(SkFlattenableReadBuffer& buffer); |
| 20 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 21 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 22 | SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| 23 | virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE; |
| 24 | // overrides from SkFlattenable |
| 25 | virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE; |
| 26 | virtual Factory getFactory() SK_OVERRIDE; |
| 27 | |
| 28 | private: |
| 29 | SkVector fOffset; |
| 30 | |
| 31 | typedef SkImageFilter INHERITED; |
| 32 | }; |
| 33 | |
| 34 | class SkComposeImageFilter : public SkImageFilter { |
| 35 | public: |
| 36 | SkComposeImageFilter(SkImageFilter* outer, SkImageFilter* inner) { |
| 37 | fOuter = outer; |
| 38 | fInner = inner; |
| 39 | SkSafeRef(outer); |
| 40 | SkSafeRef(inner); |
| 41 | } |
| 42 | virtual ~SkComposeImageFilter(); |
| 43 | |
| 44 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
| 45 | return SkNEW_ARGS(SkComposeImageFilter, (buffer)); |
| 46 | } |
| 47 | |
| 48 | protected: |
| 49 | SkComposeImageFilter(SkFlattenableReadBuffer& buffer); |
| 50 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 51 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 52 | SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| 53 | virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE; |
| 54 | // overrides from SkFlattenable |
| 55 | virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE; |
| 56 | virtual Factory getFactory() SK_OVERRIDE; |
| 57 | |
| 58 | private: |
| 59 | SkImageFilter* fOuter; |
| 60 | SkImageFilter* fInner; |
| 61 | |
| 62 | typedef SkImageFilter INHERITED; |
| 63 | }; |
| 64 | |
| 65 | #include "SkXfermode.h" |
| 66 | |
| 67 | class SkMergeImageFilter : public SkImageFilter { |
| 68 | public: |
| 69 | SkMergeImageFilter(SkImageFilter* first, SkImageFilter* second, |
| 70 | SkXfermode::Mode = SkXfermode::kSrcOver_Mode); |
| 71 | SkMergeImageFilter(SkImageFilter* const filters[], int count, |
| 72 | const SkXfermode::Mode modes[] = NULL); |
| 73 | virtual ~SkMergeImageFilter(); |
| 74 | |
| 75 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
| 76 | return SkNEW_ARGS(SkMergeImageFilter, (buffer)); |
| 77 | } |
| 78 | |
| 79 | protected: |
| 80 | SkMergeImageFilter(SkFlattenableReadBuffer& buffer); |
| 81 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 82 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 83 | SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| 84 | virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE; |
| 85 | // overrides from SkFlattenable |
| 86 | virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE; |
| 87 | virtual Factory getFactory() SK_OVERRIDE; |
| 88 | |
| 89 | private: |
| 90 | SkImageFilter** fFilters; |
| 91 | uint8_t* fModes; // SkXfermode::Mode |
| 92 | int fCount; |
| 93 | |
| 94 | // private storage, to avoid dynamically allocating storage for our copy |
| 95 | // of the filters and modes (unless fCount is so large we can't fit). |
| 96 | intptr_t fStorage[16]; |
| 97 | |
| 98 | void initAlloc(int count, bool hasModes); |
| 99 | void init(SkImageFilter* const [], int count, const SkXfermode::Mode []); |
| 100 | |
| 101 | typedef SkImageFilter INHERITED; |
| 102 | }; |
| 103 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 104 | class SkColorFilterImageFilter : public SkImageFilter { |
| 105 | public: |
| 106 | SkColorFilterImageFilter(SkColorFilter* cf) : fColorFilter(cf) { |
| 107 | SkSafeRef(cf); |
| 108 | } |
| 109 | virtual ~SkColorFilterImageFilter(); |
| 110 | |
| 111 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
| 112 | return SkNEW_ARGS(SkColorFilterImageFilter, (buffer)); |
| 113 | } |
| 114 | |
| 115 | protected: |
| 116 | SkColorFilterImageFilter(SkFlattenableReadBuffer& buffer); |
| 117 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 118 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 119 | SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| 120 | // overrides from SkFlattenable |
| 121 | virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE; |
| 122 | virtual Factory getFactory() SK_OVERRIDE; |
| 123 | |
| 124 | private: |
| 125 | SkColorFilter* fColorFilter; |
| 126 | |
| 127 | typedef SkImageFilter INHERITED; |
| 128 | }; |
| 129 | |
| 130 | /////////////////////////////////////////////////////////////////////////////// |
| 131 | |
| 132 | // Fun mode that scales down (only) and then scales back up to look pixelated |
| 133 | class SkDownSampleImageFilter : public SkImageFilter { |
| 134 | public: |
| 135 | SkDownSampleImageFilter(SkScalar scale) : fScale(scale) {} |
| 136 | |
| 137 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
| 138 | return SkNEW_ARGS(SkDownSampleImageFilter, (buffer)); |
| 139 | } |
| 140 | |
| 141 | protected: |
| 142 | SkDownSampleImageFilter(SkFlattenableReadBuffer& buffer); |
| 143 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 144 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 145 | SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| 146 | // overrides from SkFlattenable |
| 147 | virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE; |
| 148 | virtual Factory getFactory() SK_OVERRIDE; |
| 149 | |
| 150 | private: |
| 151 | SkScalar fScale; |
| 152 | |
| 153 | typedef SkImageFilter INHERITED; |
| 154 | }; |
| 155 | |
| 156 | #endif |