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 | |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame^] | 11 | #include "SkBitmapProcShader.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 12 | #include "SkBlitter.h" |
| 13 | #include "SkBlitRow.h" |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame^] | 14 | #include "SkShader.h" |
| 15 | #include "SkSmallAllocator.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 16 | |
| 17 | class SkRasterBlitter : public SkBlitter { |
| 18 | public: |
| 19 | SkRasterBlitter(const SkBitmap& device) : fDevice(device) {} |
| 20 | |
| 21 | protected: |
| 22 | const SkBitmap& fDevice; |
| 23 | |
| 24 | private: |
| 25 | typedef SkBlitter INHERITED; |
| 26 | }; |
| 27 | |
| 28 | class SkShaderBlitter : public SkRasterBlitter { |
| 29 | public: |
| 30 | SkShaderBlitter(const SkBitmap& device, const SkPaint& paint); |
| 31 | virtual ~SkShaderBlitter(); |
| 32 | |
| 33 | protected: |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 34 | uint32_t fShaderFlags; |
| 35 | SkShader* fShader; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 36 | |
| 37 | private: |
| 38 | // illegal |
| 39 | SkShaderBlitter& operator=(const SkShaderBlitter&); |
| 40 | |
| 41 | typedef SkRasterBlitter INHERITED; |
| 42 | }; |
| 43 | |
| 44 | /////////////////////////////////////////////////////////////////////////////// |
| 45 | |
reed@google.com | 126f7f5 | 2013-11-07 16:06:53 +0000 | [diff] [blame] | 46 | class SkA8_Coverage_Blitter : public SkRasterBlitter { |
| 47 | public: |
| 48 | SkA8_Coverage_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 49 | virtual void blitH(int x, int y, int width) SK_OVERRIDE; |
| 50 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) SK_OVERRIDE; |
| 51 | virtual void blitV(int x, int y, int height, SkAlpha alpha) SK_OVERRIDE; |
| 52 | virtual void blitRect(int x, int y, int width, int height) SK_OVERRIDE; |
| 53 | virtual void blitMask(const SkMask&, const SkIRect&) SK_OVERRIDE; |
| 54 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*) SK_OVERRIDE; |
| 55 | }; |
| 56 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 57 | class SkA8_Blitter : public SkRasterBlitter { |
| 58 | public: |
| 59 | SkA8_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 60 | virtual void blitH(int x, int y, int width); |
| 61 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 62 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 63 | virtual void blitRect(int x, int y, int width, int height); |
| 64 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 65 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 66 | |
| 67 | private: |
| 68 | unsigned fSrcA; |
| 69 | |
| 70 | // illegal |
| 71 | SkA8_Blitter& operator=(const SkA8_Blitter&); |
| 72 | |
| 73 | typedef SkRasterBlitter INHERITED; |
| 74 | }; |
| 75 | |
| 76 | class SkA8_Shader_Blitter : public SkShaderBlitter { |
| 77 | public: |
| 78 | SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 79 | virtual ~SkA8_Shader_Blitter(); |
| 80 | virtual void blitH(int x, int y, int width); |
| 81 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 82 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 83 | |
| 84 | private: |
| 85 | SkXfermode* fXfermode; |
| 86 | SkPMColor* fBuffer; |
| 87 | uint8_t* fAAExpand; |
| 88 | |
| 89 | // illegal |
| 90 | SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| 91 | |
| 92 | typedef SkShaderBlitter INHERITED; |
| 93 | }; |
| 94 | |
| 95 | //////////////////////////////////////////////////////////////// |
| 96 | |
| 97 | class SkARGB32_Blitter : public SkRasterBlitter { |
| 98 | public: |
| 99 | SkARGB32_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 100 | virtual void blitH(int x, int y, int width); |
| 101 | virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| 102 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 103 | virtual void blitRect(int x, int y, int width, int height); |
| 104 | virtual void blitMask(const SkMask&, const SkIRect&); |
| 105 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| 106 | |
| 107 | protected: |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 108 | SkColor fColor; |
| 109 | SkPMColor fPMColor; |
senorblanco@chromium.org | 29e5054 | 2010-12-16 19:07:45 +0000 | [diff] [blame] | 110 | SkBlitRow::ColorProc fColor32Proc; |
tomhudson@google.com | 8dd90a9 | 2012-03-19 13:49:50 +0000 | [diff] [blame] | 111 | SkBlitRow::ColorRectProc fColorRect32Proc; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 112 | |
| 113 | private: |
| 114 | unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| 115 | |
| 116 | // illegal |
| 117 | SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| 118 | |
| 119 | typedef SkRasterBlitter INHERITED; |
| 120 | }; |
| 121 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 122 | class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 123 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 124 | SkARGB32_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 125 | : INHERITED(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 126 | virtual void blitMask(const SkMask&, const SkIRect&); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 127 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 128 | private: |
| 129 | typedef SkARGB32_Blitter INHERITED; |
| 130 | }; |
| 131 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 132 | class SkARGB32_Black_Blitter : public SkARGB32_Opaque_Blitter { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 133 | public: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 134 | SkARGB32_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 135 | : INHERITED(device, paint) {} |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 136 | 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] | 137 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 138 | private: |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 139 | typedef SkARGB32_Opaque_Blitter INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 140 | }; |
| 141 | |
| 142 | class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| 143 | public: |
| 144 | SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 145 | virtual ~SkARGB32_Shader_Blitter(); |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 146 | virtual void blitH(int x, int y, int width) SK_OVERRIDE; |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 147 | 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] | 148 | 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] | 149 | virtual void blitAntiH(int x, int y, const SkAlpha[], const int16_t[]) SK_OVERRIDE; |
| 150 | virtual void blitMask(const SkMask&, const SkIRect&) SK_OVERRIDE; |
skia.committer@gmail.com | f57c01b | 2012-10-13 02:01:56 +0000 | [diff] [blame] | 151 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 152 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 153 | SkXfermode* fXfermode; |
| 154 | SkPMColor* fBuffer; |
| 155 | SkBlitRow::Proc32 fProc32; |
| 156 | SkBlitRow::Proc32 fProc32Blend; |
reed@google.com | 13201e7 | 2012-11-16 13:20:41 +0000 | [diff] [blame] | 157 | bool fShadeDirectlyIntoDevice; |
| 158 | bool fConstInY; |
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 | // illegal |
| 161 | SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
skia.committer@gmail.com | f57c01b | 2012-10-13 02:01:56 +0000 | [diff] [blame] | 162 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 163 | typedef SkShaderBlitter INHERITED; |
| 164 | }; |
| 165 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 166 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 167 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 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 | |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame^] | 181 | SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, const SkPaint& paint, |
| 182 | SkTBlitterAllocator* allocator); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 183 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 184 | #endif |