epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame^] | 1 | |
| 2 | /* |
| 3 | * Copyright 2006 The Android Open Source Project |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #ifndef SkCoreBlitters_DEFINED |
| 11 | #define SkCoreBlitters_DEFINED |
| 12 | |
| 13 | #include "SkBlitter.h" |
| 14 | #include "SkBlitRow.h" |
| 15 | |
| 16 | class SkRasterBlitter : public SkBlitter { |
| 17 | public: |
| 18 | SkRasterBlitter(const SkBitmap& device) : fDevice(device) {} |
| 19 | |
| 20 | protected: |
| 21 | const SkBitmap& fDevice; |
| 22 | |
| 23 | private: |
| 24 | typedef SkBlitter INHERITED; |
| 25 | }; |
| 26 | |
| 27 | class SkShaderBlitter : public SkRasterBlitter { |
| 28 | public: |
| 29 | SkShaderBlitter(const SkBitmap& device, const SkPaint& paint); |
| 30 | virtual ~SkShaderBlitter(); |
| 31 | |
| 32 | protected: |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 33 | uint32_t fShaderFlags; |
| 34 | SkShader* fShader; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 35 | |
| 36 | private: |
| 37 | // illegal |
| 38 | SkShaderBlitter& operator=(const SkShaderBlitter&); |
| 39 | |
| 40 | typedef SkRasterBlitter INHERITED; |
| 41 | }; |
| 42 | |
| 43 | /////////////////////////////////////////////////////////////////////////////// |
| 44 | |
| 45 | class SkA8_Blitter : public SkRasterBlitter { |
| 46 | public: |
| 47 | SkA8_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 48 | virtual void blitH(int x, int y, int width); |
| 49 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 50 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 51 | virtual void blitRect(int x, int y, int width, int height); |
| 52 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 53 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 54 | |
| 55 | private: |
| 56 | unsigned fSrcA; |
| 57 | |
| 58 | // illegal |
| 59 | SkA8_Blitter& operator=(const SkA8_Blitter&); |
| 60 | |
| 61 | typedef SkRasterBlitter INHERITED; |
| 62 | }; |
| 63 | |
| 64 | class SkA8_Shader_Blitter : public SkShaderBlitter { |
| 65 | public: |
| 66 | SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 67 | virtual ~SkA8_Shader_Blitter(); |
| 68 | virtual void blitH(int x, int y, int width); |
| 69 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 70 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 71 | |
| 72 | private: |
| 73 | SkXfermode* fXfermode; |
| 74 | SkPMColor* fBuffer; |
| 75 | uint8_t* fAAExpand; |
| 76 | |
| 77 | // illegal |
| 78 | SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| 79 | |
| 80 | typedef SkShaderBlitter INHERITED; |
| 81 | }; |
| 82 | |
| 83 | //////////////////////////////////////////////////////////////// |
| 84 | |
| 85 | class SkARGB32_Blitter : public SkRasterBlitter { |
| 86 | public: |
| 87 | SkARGB32_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 88 | virtual void blitH(int x, int y, int width); |
| 89 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 90 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 91 | virtual void blitRect(int x, int y, int width, int height); |
| 92 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 93 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 94 | |
| 95 | protected: |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 96 | SkColor fColor; |
| 97 | SkPMColor fPMColor; |
senorblanco@chromium.org | 29e5054 | 2010-12-16 19:07:45 +0000 | [diff] [blame] | 98 | SkBlitRow::ColorProc fColor32Proc; |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 99 | SkBlitMask::Proc fBlitMaskProc; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 100 | |
| 101 | private: |
| 102 | unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| 103 | |
| 104 | // illegal |
| 105 | SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| 106 | |
| 107 | typedef SkRasterBlitter INHERITED; |
| 108 | }; |
| 109 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 110 | class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 111 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 112 | SkARGB32_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 113 | : INHERITED(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 114 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 115 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 116 | private: |
| 117 | typedef SkARGB32_Blitter INHERITED; |
| 118 | }; |
| 119 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 120 | class SkARGB32_Black_Blitter : public SkARGB32_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 121 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 122 | SkARGB32_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 123 | : INHERITED(device, paint) {} |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 124 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 125 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
reed@android.com | b602b8e | 2009-07-10 15:58:53 +0000 | [diff] [blame] | 126 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 127 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 128 | typedef SkARGB32_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 129 | }; |
| 130 | |
| 131 | class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| 132 | public: |
| 133 | SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 134 | virtual ~SkARGB32_Shader_Blitter(); |
| 135 | virtual void blitH(int x, int y, int width); |
| 136 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 137 | |
| 138 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 139 | SkXfermode* fXfermode; |
| 140 | SkPMColor* fBuffer; |
| 141 | SkBlitRow::Proc32 fProc32; |
| 142 | SkBlitRow::Proc32 fProc32Blend; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 143 | |
| 144 | // illegal |
| 145 | SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
| 146 | |
| 147 | typedef SkShaderBlitter INHERITED; |
| 148 | }; |
| 149 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 150 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 151 | |
| 152 | class SkA1_Blitter : public SkRasterBlitter { |
| 153 | public: |
| 154 | SkA1_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 155 | virtual void blitH(int x, int y, int width); |
| 156 | |
| 157 | private: |
| 158 | uint8_t fSrcA; |
| 159 | |
| 160 | // illegal |
| 161 | SkA1_Blitter& operator=(const SkA1_Blitter&); |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 162 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 163 | typedef SkRasterBlitter INHERITED; |
| 164 | }; |
| 165 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 166 | /////////////////////////////////////////////////////////////////////////////// |
| 167 | |
| 168 | /* These return the correct subclass of blitter for their device config. |
| 169 | |
| 170 | Currently, they make the following assumptions about the state of the |
| 171 | paint: |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 172 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 173 | 1. If there is an xfermode, there will also be a shader |
| 174 | 2. If there is a colorfilter, there will be a shader that itself handles |
| 175 | calling the filter, so the blitter can always ignore the colorfilter obj |
| 176 | |
| 177 | These pre-conditions must be handled by the caller, in our case |
| 178 | SkBlitter::Choose(...) |
| 179 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 180 | |
| 181 | extern SkBlitter* SkBlitter_ChooseD4444(const SkBitmap& device, |
| 182 | const SkPaint& paint, |
| 183 | void* storage, size_t storageSize); |
| 184 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 185 | extern SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, |
| 186 | const SkPaint& paint, |
| 187 | void* storage, size_t storageSize); |
| 188 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 189 | #endif |
| 190 | |