reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | /* libs/graphics/sgl/SkCoreBlitters.h |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #ifndef SkCoreBlitters_DEFINED |
| 19 | #define SkCoreBlitters_DEFINED |
| 20 | |
| 21 | #include "SkBlitter.h" |
| 22 | #include "SkBlitRow.h" |
| 23 | |
| 24 | class SkRasterBlitter : public SkBlitter { |
| 25 | public: |
| 26 | SkRasterBlitter(const SkBitmap& device) : fDevice(device) {} |
| 27 | |
| 28 | protected: |
| 29 | const SkBitmap& fDevice; |
| 30 | |
| 31 | private: |
| 32 | typedef SkBlitter INHERITED; |
| 33 | }; |
| 34 | |
| 35 | class SkShaderBlitter : public SkRasterBlitter { |
| 36 | public: |
| 37 | SkShaderBlitter(const SkBitmap& device, const SkPaint& paint); |
| 38 | virtual ~SkShaderBlitter(); |
| 39 | |
| 40 | protected: |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 41 | uint32_t fShaderFlags; |
| 42 | SkShader* fShader; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 43 | |
| 44 | private: |
| 45 | // illegal |
| 46 | SkShaderBlitter& operator=(const SkShaderBlitter&); |
| 47 | |
| 48 | typedef SkRasterBlitter INHERITED; |
| 49 | }; |
| 50 | |
| 51 | /////////////////////////////////////////////////////////////////////////////// |
| 52 | |
| 53 | class SkA8_Blitter : public SkRasterBlitter { |
| 54 | public: |
| 55 | SkA8_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 56 | virtual void blitH(int x, int y, int width); |
| 57 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 58 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 59 | virtual void blitRect(int x, int y, int width, int height); |
| 60 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 61 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 62 | |
| 63 | private: |
| 64 | unsigned fSrcA; |
| 65 | |
| 66 | // illegal |
| 67 | SkA8_Blitter& operator=(const SkA8_Blitter&); |
| 68 | |
| 69 | typedef SkRasterBlitter INHERITED; |
| 70 | }; |
| 71 | |
| 72 | class SkA8_Shader_Blitter : public SkShaderBlitter { |
| 73 | public: |
| 74 | SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 75 | virtual ~SkA8_Shader_Blitter(); |
| 76 | virtual void blitH(int x, int y, int width); |
| 77 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 78 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 79 | |
| 80 | private: |
| 81 | SkXfermode* fXfermode; |
| 82 | SkPMColor* fBuffer; |
| 83 | uint8_t* fAAExpand; |
| 84 | |
| 85 | // illegal |
| 86 | SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| 87 | |
| 88 | typedef SkShaderBlitter INHERITED; |
| 89 | }; |
| 90 | |
| 91 | //////////////////////////////////////////////////////////////// |
| 92 | |
| 93 | class SkARGB32_Blitter : public SkRasterBlitter { |
| 94 | public: |
| 95 | SkARGB32_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 96 | virtual void blitH(int x, int y, int width); |
| 97 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 98 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 99 | virtual void blitRect(int x, int y, int width, int height); |
| 100 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 101 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 102 | |
| 103 | protected: |
| 104 | SkColor fPMColor; |
| 105 | |
| 106 | private: |
| 107 | unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| 108 | |
| 109 | // illegal |
| 110 | SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| 111 | |
| 112 | typedef SkRasterBlitter INHERITED; |
| 113 | }; |
| 114 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 115 | class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 116 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 117 | SkARGB32_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 118 | : INHERITED(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 119 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 120 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 121 | private: |
| 122 | typedef SkARGB32_Blitter INHERITED; |
| 123 | }; |
| 124 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 125 | class SkARGB32_Black_Blitter : public SkARGB32_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 126 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 127 | SkARGB32_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 128 | : INHERITED(device, paint) {} |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 129 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 130 | 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] | 131 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 132 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 133 | typedef SkARGB32_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 134 | }; |
| 135 | |
| 136 | class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| 137 | public: |
| 138 | SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 139 | virtual ~SkARGB32_Shader_Blitter(); |
| 140 | virtual void blitH(int x, int y, int width); |
| 141 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 142 | |
| 143 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame^] | 144 | SkXfermode* fXfermode; |
| 145 | SkPMColor* fBuffer; |
| 146 | SkBlitRow::Proc32 fProc32; |
| 147 | SkBlitRow::Proc32 fProc32Blend; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 148 | |
| 149 | // illegal |
| 150 | SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
| 151 | |
| 152 | typedef SkShaderBlitter INHERITED; |
| 153 | }; |
| 154 | |
| 155 | //////////////////////////////////////////////////////////////// |
| 156 | |
| 157 | class SkRGB16_Blitter : public SkRasterBlitter { |
| 158 | public: |
| 159 | SkRGB16_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 160 | virtual void blitH(int x, int y, int width); |
| 161 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 162 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 163 | virtual void blitRect(int x, int y, int width, int height); |
| 164 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 165 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 166 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 167 | protected: |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 168 | SkPMColor fSrcColor32; |
| 169 | unsigned fScale; |
| 170 | uint16_t fColor16; // already scaled by fScale |
| 171 | uint16_t fRawColor16; // unscaled |
| 172 | uint16_t fRawDither16; // unscaled |
| 173 | SkBool8 fDoDither; |
| 174 | |
| 175 | // illegal |
| 176 | SkRGB16_Blitter& operator=(const SkRGB16_Blitter&); |
| 177 | |
| 178 | typedef SkRasterBlitter INHERITED; |
| 179 | }; |
| 180 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 181 | class SkRGB16_Opaque_Blitter : public SkRGB16_Blitter { |
| 182 | public: |
| 183 | SkRGB16_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 184 | virtual void blitH(int x, int y, int width); |
| 185 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 186 | virtual void blitRect(int x, int y, int width, int height); |
| 187 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 188 | |
| 189 | private: |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 190 | typedef SkRGB16_Blitter INHERITED; |
| 191 | }; |
| 192 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 193 | class SkRGB16_Black_Blitter : public SkRGB16_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 194 | public: |
| 195 | SkRGB16_Black_Blitter(const SkBitmap& device, const SkPaint& paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 196 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 197 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 198 | |
| 199 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 200 | typedef SkRGB16_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 201 | }; |
| 202 | |
| 203 | class SkRGB16_Shader_Blitter : public SkShaderBlitter { |
| 204 | public: |
| 205 | SkRGB16_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 206 | virtual ~SkRGB16_Shader_Blitter(); |
| 207 | virtual void blitH(int x, int y, int width); |
| 208 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 209 | virtual void blitRect(int x, int y, int width, int height); |
| 210 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 211 | protected: |
| 212 | SkPMColor* fBuffer; |
| 213 | SkBlitRow::Proc fOpaqueProc; |
| 214 | SkBlitRow::Proc fAlphaProc; |
| 215 | |
| 216 | private: |
| 217 | // illegal |
| 218 | SkRGB16_Shader_Blitter& operator=(const SkRGB16_Shader_Blitter&); |
| 219 | |
| 220 | typedef SkShaderBlitter INHERITED; |
| 221 | }; |
| 222 | |
| 223 | // used only if the shader can perform shadSpan16 |
| 224 | class SkRGB16_Shader16_Blitter : public SkRGB16_Shader_Blitter { |
| 225 | public: |
| 226 | SkRGB16_Shader16_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 227 | virtual void blitH(int x, int y, int width); |
| 228 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 229 | virtual void blitRect(int x, int y, int width, int height); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 230 | |
| 231 | private: |
| 232 | typedef SkRGB16_Shader_Blitter INHERITED; |
| 233 | }; |
| 234 | |
| 235 | class SkRGB16_Shader_Xfermode_Blitter : public SkShaderBlitter { |
| 236 | public: |
| 237 | SkRGB16_Shader_Xfermode_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 238 | virtual ~SkRGB16_Shader_Xfermode_Blitter(); |
| 239 | virtual void blitH(int x, int y, int width); |
| 240 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 241 | |
| 242 | private: |
| 243 | SkXfermode* fXfermode; |
| 244 | SkPMColor* fBuffer; |
| 245 | uint8_t* fAAExpand; |
| 246 | |
| 247 | // illegal |
| 248 | SkRGB16_Shader_Xfermode_Blitter& operator=(const SkRGB16_Shader_Xfermode_Blitter&); |
| 249 | |
| 250 | typedef SkShaderBlitter INHERITED; |
| 251 | }; |
| 252 | |
| 253 | ///////////////////////////////////////////////////////////////////////////// |
| 254 | |
| 255 | class SkA1_Blitter : public SkRasterBlitter { |
| 256 | public: |
| 257 | SkA1_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 258 | virtual void blitH(int x, int y, int width); |
| 259 | |
| 260 | private: |
| 261 | uint8_t fSrcA; |
| 262 | |
| 263 | // illegal |
| 264 | SkA1_Blitter& operator=(const SkA1_Blitter&); |
| 265 | |
| 266 | typedef SkRasterBlitter INHERITED; |
| 267 | }; |
| 268 | |
| 269 | |
| 270 | extern SkBlitter* SkBlitter_ChooseD4444(const SkBitmap& device, |
| 271 | const SkPaint& paint, |
| 272 | void* storage, size_t storageSize); |
| 273 | |
| 274 | #endif |
| 275 | |