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 | |
| 43 | class SkA8_Blitter : public SkRasterBlitter { |
| 44 | public: |
| 45 | SkA8_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 46 | virtual void blitH(int x, int y, int width); |
| 47 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 48 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 49 | virtual void blitRect(int x, int y, int width, int height); |
| 50 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 51 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 52 | |
| 53 | private: |
| 54 | unsigned fSrcA; |
| 55 | |
| 56 | // illegal |
| 57 | SkA8_Blitter& operator=(const SkA8_Blitter&); |
| 58 | |
| 59 | typedef SkRasterBlitter INHERITED; |
| 60 | }; |
| 61 | |
| 62 | class SkA8_Shader_Blitter : public SkShaderBlitter { |
| 63 | public: |
| 64 | SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 65 | virtual ~SkA8_Shader_Blitter(); |
| 66 | virtual void blitH(int x, int y, int width); |
| 67 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 68 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 69 | |
| 70 | private: |
| 71 | SkXfermode* fXfermode; |
| 72 | SkPMColor* fBuffer; |
| 73 | uint8_t* fAAExpand; |
| 74 | |
| 75 | // illegal |
| 76 | SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| 77 | |
| 78 | typedef SkShaderBlitter INHERITED; |
| 79 | }; |
| 80 | |
| 81 | //////////////////////////////////////////////////////////////// |
| 82 | |
| 83 | class SkARGB32_Blitter : public SkRasterBlitter { |
| 84 | public: |
| 85 | SkARGB32_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 86 | virtual void blitH(int x, int y, int width); |
| 87 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 88 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 89 | virtual void blitRect(int x, int y, int width, int height); |
| 90 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 91 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 92 | |
| 93 | protected: |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 94 | SkColor fColor; |
| 95 | SkPMColor fPMColor; |
senorblanco@chromium.org | 29e5054 | 2010-12-16 19:07:45 +0000 | [diff] [blame] | 96 | SkBlitRow::ColorProc fColor32Proc; |
tomhudson@google.com | 8dd90a9 | 2012-03-19 13:49:50 +0000 | [diff] [blame^] | 97 | SkBlitRow::ColorRectProc fColorRect32Proc; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 98 | |
| 99 | private: |
| 100 | unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| 101 | |
| 102 | // illegal |
| 103 | SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| 104 | |
| 105 | typedef SkRasterBlitter INHERITED; |
| 106 | }; |
| 107 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 108 | class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 109 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 110 | SkARGB32_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 111 | : INHERITED(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 112 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 113 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 114 | private: |
| 115 | typedef SkARGB32_Blitter INHERITED; |
| 116 | }; |
| 117 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 118 | class SkARGB32_Black_Blitter : public SkARGB32_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 119 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 120 | SkARGB32_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 121 | : INHERITED(device, paint) {} |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 122 | 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] | 123 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 124 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 125 | typedef SkARGB32_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 126 | }; |
| 127 | |
| 128 | class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| 129 | public: |
| 130 | SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 131 | virtual ~SkARGB32_Shader_Blitter(); |
| 132 | virtual void blitH(int x, int y, int width); |
| 133 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
reed@google.com | 1750bf1 | 2011-11-15 19:51:02 +0000 | [diff] [blame] | 134 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 135 | |
| 136 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 137 | SkXfermode* fXfermode; |
| 138 | SkPMColor* fBuffer; |
| 139 | SkBlitRow::Proc32 fProc32; |
| 140 | SkBlitRow::Proc32 fProc32Blend; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 141 | |
| 142 | // illegal |
| 143 | SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
| 144 | |
| 145 | typedef SkShaderBlitter INHERITED; |
| 146 | }; |
| 147 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 148 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 149 | |
| 150 | class SkA1_Blitter : public SkRasterBlitter { |
| 151 | public: |
| 152 | SkA1_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 153 | virtual void blitH(int x, int y, int width); |
| 154 | |
| 155 | private: |
| 156 | uint8_t fSrcA; |
| 157 | |
| 158 | // illegal |
| 159 | SkA1_Blitter& operator=(const SkA1_Blitter&); |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 160 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 161 | typedef SkRasterBlitter INHERITED; |
| 162 | }; |
| 163 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 164 | /////////////////////////////////////////////////////////////////////////////// |
| 165 | |
| 166 | /* These return the correct subclass of blitter for their device config. |
| 167 | |
| 168 | Currently, they make the following assumptions about the state of the |
| 169 | paint: |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 170 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 171 | 1. If there is an xfermode, there will also be a shader |
| 172 | 2. If there is a colorfilter, there will be a shader that itself handles |
| 173 | calling the filter, so the blitter can always ignore the colorfilter obj |
| 174 | |
| 175 | These pre-conditions must be handled by the caller, in our case |
| 176 | SkBlitter::Choose(...) |
| 177 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 178 | |
| 179 | extern SkBlitter* SkBlitter_ChooseD4444(const SkBitmap& device, |
| 180 | const SkPaint& paint, |
| 181 | void* storage, size_t storageSize); |
| 182 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 183 | extern SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, |
| 184 | const SkPaint& paint, |
| 185 | void* storage, size_t storageSize); |
| 186 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 187 | #endif |
| 188 | |