| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef SkColorFilter_DEFINED | 8 #ifndef SkColorFilter_DEFINED |
| 9 #define SkColorFilter_DEFINED | 9 #define SkColorFilter_DEFINED |
| 10 | 10 |
| 11 #include "SkColor.h" | 11 #include "SkColor.h" |
| 12 #include "SkFlattenable.h" | 12 #include "SkFlattenable.h" |
| 13 #include "SkTDArray.h" | 13 #include "SkTDArray.h" |
| 14 #include "SkXfermode.h" | 14 #include "SkXfermode.h" |
| 15 | 15 |
| 16 class SkBitmap; | 16 class SkBitmap; |
| 17 class GrProcessor; | 17 class GrProcessor; |
| 18 class GrContext; | 18 class GrContext; |
| 19 | 19 |
| 20 /** | 20 /** |
| 21 * ColorFilters are optional objects in the drawing pipeline. When present in | 21 * ColorFilters are optional objects in the drawing pipeline. When present in |
| 22 * a paint, they are called with the "src" colors, and return new colors, which | 22 * a paint, they are called with the "src" colors, and return new colors, which |
| 23 * are then passed onto the next stage (either ImageFilter or Xfermode). | 23 * are then passed onto the next stage (either ImageFilter or Xfermode). |
| 24 * | 24 * |
| 25 * All subclasses are required to be reentrant-safe : it must be legal to share | 25 * All subclasses are required to be reentrant-safe : it must be legal to share |
| 26 * the same instance between several threads. | 26 * the same instance between several threads. |
| 27 */ | 27 */ |
| 28 class SK_API SkColorFilter : public SkFlattenable { | 28 class SK_API SkColorFilter : public SkFlattenable { |
| 29 public: | 29 public: |
| 30 SK_DECLARE_INST_COUNT(SkColorFilter) | |
| 31 | |
| 32 /** | 30 /** |
| 33 * If the filter can be represented by a source color plus Mode, this | 31 * If the filter can be represented by a source color plus Mode, this |
| 34 * returns true, and sets (if not NULL) the color and mode appropriately. | 32 * returns true, and sets (if not NULL) the color and mode appropriately. |
| 35 * If not, this returns false and ignores the parameters. | 33 * If not, this returns false and ignores the parameters. |
| 36 */ | 34 */ |
| 37 virtual bool asColorMode(SkColor* color, SkXfermode::Mode* mode) const; | 35 virtual bool asColorMode(SkColor* color, SkXfermode::Mode* mode) const; |
| 38 | 36 |
| 39 /** | 37 /** |
| 40 * If the filter can be represented by a 5x4 matrix, this | 38 * If the filter can be represented by a 5x4 matrix, this |
| 41 * returns true, and sets the matrix appropriately. | 39 * returns true, and sets the matrix appropriately. |
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| 156 * | 154 * |
| 157 * e.g. compose(filter, compose(compose(filter, filter), filter)) --> 4 | 155 * e.g. compose(filter, compose(compose(filter, filter), filter)) --> 4 |
| 158 */ | 156 */ |
| 159 virtual int privateComposedFilterCount() const { return 1; } | 157 virtual int privateComposedFilterCount() const { return 1; } |
| 160 friend class SkComposeColorFilter; | 158 friend class SkComposeColorFilter; |
| 161 | 159 |
| 162 typedef SkFlattenable INHERITED; | 160 typedef SkFlattenable INHERITED; |
| 163 }; | 161 }; |
| 164 | 162 |
| 165 #endif | 163 #endif |
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