epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #ifndef SkCoreBlitters_DEFINED |
| 9 | #define SkCoreBlitters_DEFINED |
| 10 | |
| 11 | #include "SkBlitter.h" |
| 12 | #include "SkBlitRow.h" |
| 13 | |
| 14 | class SkRasterBlitter : public SkBlitter { |
| 15 | public: |
| 16 | SkRasterBlitter(const SkBitmap& device) : fDevice(device) {} |
| 17 | |
| 18 | protected: |
| 19 | const SkBitmap& fDevice; |
| 20 | |
| 21 | private: |
| 22 | typedef SkBlitter INHERITED; |
| 23 | }; |
| 24 | |
| 25 | class SkShaderBlitter : public SkRasterBlitter { |
| 26 | public: |
| 27 | SkShaderBlitter(const SkBitmap& device, const SkPaint& paint); |
| 28 | virtual ~SkShaderBlitter(); |
| 29 | |
| 30 | protected: |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 31 | uint32_t fShaderFlags; |
| 32 | SkShader* fShader; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 33 | |
| 34 | private: |
| 35 | // illegal |
| 36 | SkShaderBlitter& operator=(const SkShaderBlitter&); |
| 37 | |
| 38 | typedef SkRasterBlitter INHERITED; |
| 39 | }; |
| 40 | |
| 41 | /////////////////////////////////////////////////////////////////////////////// |
| 42 | |
reed@google.com | 126f7f5 | 2013-11-07 16:06:53 +0000 | [diff] [blame^] | 43 | class SkA8_Coverage_Blitter : public SkRasterBlitter { |
| 44 | public: |
| 45 | SkA8_Coverage_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 46 | virtual void blitH(int x, int y, int width) SK_OVERRIDE; |
| 47 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) SK_OVERRIDE; |
| 48 | virtual void blitV(int x, int y, int height, SkAlpha alpha) SK_OVERRIDE; |
| 49 | virtual void blitRect(int x, int y, int width, int height) SK_OVERRIDE; |
| 50 | virtual void blitMask(const SkMask&, const SkIRect&) SK_OVERRIDE; |
| 51 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*) SK_OVERRIDE; |
| 52 | }; |
| 53 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 54 | class SkA8_Blitter : public SkRasterBlitter { |
| 55 | public: |
| 56 | SkA8_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 57 | virtual void blitH(int x, int y, int width); |
| 58 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 59 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 60 | virtual void blitRect(int x, int y, int width, int height); |
| 61 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 62 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 63 | |
| 64 | private: |
| 65 | unsigned fSrcA; |
| 66 | |
| 67 | // illegal |
| 68 | SkA8_Blitter& operator=(const SkA8_Blitter&); |
| 69 | |
| 70 | typedef SkRasterBlitter INHERITED; |
| 71 | }; |
| 72 | |
| 73 | class SkA8_Shader_Blitter : public SkShaderBlitter { |
| 74 | public: |
| 75 | SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 76 | virtual ~SkA8_Shader_Blitter(); |
| 77 | virtual void blitH(int x, int y, int width); |
| 78 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 79 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 80 | |
| 81 | private: |
| 82 | SkXfermode* fXfermode; |
| 83 | SkPMColor* fBuffer; |
| 84 | uint8_t* fAAExpand; |
| 85 | |
| 86 | // illegal |
| 87 | SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| 88 | |
| 89 | typedef SkShaderBlitter INHERITED; |
| 90 | }; |
| 91 | |
| 92 | //////////////////////////////////////////////////////////////// |
| 93 | |
| 94 | class SkARGB32_Blitter : public SkRasterBlitter { |
| 95 | public: |
| 96 | SkARGB32_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 97 | virtual void blitH(int x, int y, int width); |
| 98 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 99 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 100 | virtual void blitRect(int x, int y, int width, int height); |
| 101 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 102 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 103 | |
| 104 | protected: |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 105 | SkColor fColor; |
| 106 | SkPMColor fPMColor; |
senorblanco@chromium.org | 29e5054 | 2010-12-16 19:07:45 +0000 | [diff] [blame] | 107 | SkBlitRow::ColorProc fColor32Proc; |
tomhudson@google.com | 8dd90a9 | 2012-03-19 13:49:50 +0000 | [diff] [blame] | 108 | SkBlitRow::ColorRectProc fColorRect32Proc; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 109 | |
| 110 | private: |
| 111 | unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| 112 | |
| 113 | // illegal |
| 114 | SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| 115 | |
| 116 | typedef SkRasterBlitter INHERITED; |
| 117 | }; |
| 118 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 119 | class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 120 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 121 | SkARGB32_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 122 | : INHERITED(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 123 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 124 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 125 | private: |
| 126 | typedef SkARGB32_Blitter INHERITED; |
| 127 | }; |
| 128 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 129 | class SkARGB32_Black_Blitter : public SkARGB32_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 130 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 131 | SkARGB32_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 132 | : INHERITED(device, paint) {} |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 133 | 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] | 134 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 135 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 136 | typedef SkARGB32_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 137 | }; |
| 138 | |
| 139 | class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| 140 | public: |
| 141 | SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 142 | virtual ~SkARGB32_Shader_Blitter(); |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 143 | virtual void blitH(int x, int y, int width) SK_OVERRIDE; |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 144 | virtual void blitV(int x, int y, int height, SkAlpha alpha) SK_OVERRIDE; |
reed@google.com | 3bafe74 | 2012-10-12 18:56:18 +0000 | [diff] [blame] | 145 | virtual void blitRect(int x, int y, int width, int height) SK_OVERRIDE; |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 146 | virtual void blitAntiH(int x, int y, const SkAlpha[], const int16_t[]) SK_OVERRIDE; |
| 147 | virtual void blitMask(const SkMask&, const SkIRect&) SK_OVERRIDE; |
skia.committer@gmail.com | f57c01b | 2012-10-13 02:01:56 +0000 | [diff] [blame] | 148 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 149 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 150 | SkXfermode* fXfermode; |
| 151 | SkPMColor* fBuffer; |
| 152 | SkBlitRow::Proc32 fProc32; |
| 153 | SkBlitRow::Proc32 fProc32Blend; |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 154 | bool fShadeDirectlyIntoDevice; |
| 155 | bool fConstInY; |
skia.committer@gmail.com | f57c01b | 2012-10-13 02:01:56 +0000 | [diff] [blame] | 156 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 157 | // illegal |
| 158 | SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
skia.committer@gmail.com | f57c01b | 2012-10-13 02:01:56 +0000 | [diff] [blame] | 159 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 160 | typedef SkShaderBlitter INHERITED; |
| 161 | }; |
| 162 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 163 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 164 | |
| 165 | class SkA1_Blitter : public SkRasterBlitter { |
| 166 | public: |
| 167 | SkA1_Blitter(const SkBitmap& device, const SkPaint& paint); |
reed@google.com | 6ba4572 | 2013-06-21 18:30:53 +0000 | [diff] [blame] | 168 | virtual void blitH(int x, int y, int width) SK_OVERRIDE; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 169 | |
| 170 | private: |
| 171 | uint8_t fSrcA; |
| 172 | |
| 173 | // illegal |
| 174 | SkA1_Blitter& operator=(const SkA1_Blitter&); |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 175 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 176 | typedef SkRasterBlitter INHERITED; |
| 177 | }; |
| 178 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 179 | /////////////////////////////////////////////////////////////////////////////// |
| 180 | |
| 181 | /* These return the correct subclass of blitter for their device config. |
| 182 | |
| 183 | Currently, they make the following assumptions about the state of the |
| 184 | paint: |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 185 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 186 | 1. If there is an xfermode, there will also be a shader |
| 187 | 2. If there is a colorfilter, there will be a shader that itself handles |
| 188 | calling the filter, so the blitter can always ignore the colorfilter obj |
| 189 | |
| 190 | These pre-conditions must be handled by the caller, in our case |
| 191 | SkBlitter::Choose(...) |
| 192 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 193 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 194 | extern SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, |
| 195 | const SkPaint& paint, |
| 196 | void* storage, size_t storageSize); |
| 197 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 198 | #endif |