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| 1 /* | 1 /* |
| 2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SkCoreBlitters.h" | 8 #include "SkCoreBlitters.h" |
| 9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
| 10 #include "SkShader.h" | 10 #include "SkShader.h" |
| (...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 45 SkColor color = paint.getColor(); | 45 SkColor color = paint.getColor(); |
| 46 fColor = color; | 46 fColor = color; |
| 47 | 47 |
| 48 fSrcA = SkColorGetA(color); | 48 fSrcA = SkColorGetA(color); |
| 49 unsigned scale = SkAlpha255To256(fSrcA); | 49 unsigned scale = SkAlpha255To256(fSrcA); |
| 50 fSrcR = SkAlphaMul(SkColorGetR(color), scale); | 50 fSrcR = SkAlphaMul(SkColorGetR(color), scale); |
| 51 fSrcG = SkAlphaMul(SkColorGetG(color), scale); | 51 fSrcG = SkAlphaMul(SkColorGetG(color), scale); |
| 52 fSrcB = SkAlphaMul(SkColorGetB(color), scale); | 52 fSrcB = SkAlphaMul(SkColorGetB(color), scale); |
| 53 | 53 |
| 54 fPMColor = SkPackARGB32(fSrcA, fSrcR, fSrcG, fSrcB); | 54 fPMColor = SkPackARGB32(fSrcA, fSrcR, fSrcG, fSrcB); |
| 55 fColor32Proc = SkBlitRow::ColorProcFactory(); |
| 55 } | 56 } |
| 56 | 57 |
| 57 const SkBitmap* SkARGB32_Blitter::justAnOpaqueColor(uint32_t* value) { | 58 const SkBitmap* SkARGB32_Blitter::justAnOpaqueColor(uint32_t* value) { |
| 58 if (255 == fSrcA) { | 59 if (255 == fSrcA) { |
| 59 *value = fPMColor; | 60 *value = fPMColor; |
| 60 return &fDevice; | 61 return &fDevice; |
| 61 } | 62 } |
| 62 return NULL; | 63 return NULL; |
| 63 } | 64 } |
| 64 | 65 |
| 65 #if defined _WIN32 && _MSC_VER >= 1300 // disable warning : local variable used
without having been initialized | 66 #if defined _WIN32 && _MSC_VER >= 1300 // disable warning : local variable used
without having been initialized |
| 66 #pragma warning ( push ) | 67 #pragma warning ( push ) |
| 67 #pragma warning ( disable : 4701 ) | 68 #pragma warning ( disable : 4701 ) |
| 68 #endif | 69 #endif |
| 69 | 70 |
| 70 void SkARGB32_Blitter::blitH(int x, int y, int width) { | 71 void SkARGB32_Blitter::blitH(int x, int y, int width) { |
| 71 SkASSERT(x >= 0 && y >= 0 && x + width <= fDevice.width()); | 72 SkASSERT(x >= 0 && y >= 0 && x + width <= fDevice.width()); |
| 72 | 73 |
| 73 uint32_t* device = fDevice.getAddr32(x, y); | 74 uint32_t* device = fDevice.getAddr32(x, y); |
| 74 SkBlitRow::Color32(device, device, width, fPMColor); | 75 fColor32Proc(device, device, width, fPMColor); |
| 75 } | 76 } |
| 76 | 77 |
| 77 void SkARGB32_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[], | 78 void SkARGB32_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[], |
| 78 const int16_t runs[]) { | 79 const int16_t runs[]) { |
| 79 if (fSrcA == 0) { | 80 if (fSrcA == 0) { |
| 80 return; | 81 return; |
| 81 } | 82 } |
| 82 | 83 |
| 83 uint32_t color = fPMColor; | 84 uint32_t color = fPMColor; |
| 84 uint32_t* device = fDevice.getAddr32(x, y); | 85 uint32_t* device = fDevice.getAddr32(x, y); |
| 85 unsigned opaqueMask = fSrcA; // if fSrcA is 0xFF, then we will catch the
fast opaque case | 86 unsigned opaqueMask = fSrcA; // if fSrcA is 0xFF, then we will catch the
fast opaque case |
| 86 | 87 |
| 87 for (;;) { | 88 for (;;) { |
| 88 int count = runs[0]; | 89 int count = runs[0]; |
| 89 SkASSERT(count >= 0); | 90 SkASSERT(count >= 0); |
| 90 if (count <= 0) { | 91 if (count <= 0) { |
| 91 return; | 92 return; |
| 92 } | 93 } |
| 93 unsigned aa = antialias[0]; | 94 unsigned aa = antialias[0]; |
| 94 if (aa) { | 95 if (aa) { |
| 95 if ((opaqueMask & aa) == 255) { | 96 if ((opaqueMask & aa) == 255) { |
| 96 sk_memset32(device, color, count); | 97 sk_memset32(device, color, count); |
| 97 } else { | 98 } else { |
| 98 uint32_t sc = SkAlphaMulQ(color, SkAlpha255To256(aa)); | 99 uint32_t sc = SkAlphaMulQ(color, SkAlpha255To256(aa)); |
| 99 SkBlitRow::Color32(device, device, count, sc); | 100 fColor32Proc(device, device, count, sc); |
| 100 } | 101 } |
| 101 } | 102 } |
| 102 runs += count; | 103 runs += count; |
| 103 antialias += count; | 104 antialias += count; |
| 104 device += count; | 105 device += count; |
| 105 } | 106 } |
| 106 } | 107 } |
| 107 | 108 |
| 108 void SkARGB32_Blitter::blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) { | 109 void SkARGB32_Blitter::blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) { |
| 109 uint32_t* device = fDevice.getAddr32(x, y); | 110 uint32_t* device = fDevice.getAddr32(x, y); |
| 110 SkDEBUGCODE((void)fDevice.getAddr32(x + 1, y);) | 111 SkDEBUGCODE((void)fDevice.getAddr32(x + 1, y);) |
| 111 | 112 |
| 112 device[0] = SkBlendARGB32(fPMColor, device[0], a0); | 113 device[0] = SkBlendARGB32(fPMColor, device[0], a0); |
| 113 device[1] = SkBlendARGB32(fPMColor, device[1], a1); | 114 device[1] = SkBlendARGB32(fPMColor, device[1], a1); |
| 114 } | 115 } |
| 115 | 116 |
| 116 void SkARGB32_Blitter::blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) { | 117 void SkARGB32_Blitter::blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) { |
| 117 uint32_t* device = fDevice.getAddr32(x, y); | 118 uint32_t* device = fDevice.getAddr32(x, y); |
| 118 SkDEBUGCODE((void)fDevice.getAddr32(x, y + 1);) | 119 SkDEBUGCODE((void)fDevice.getAddr32(x, y + 1);) |
| 119 | 120 |
| 120 device[0] = SkBlendARGB32(fPMColor, device[0], a0); | 121 device[0] = SkBlendARGB32(fPMColor, device[0], a0); |
| 121 device = (uint32_t*)((char*)device + fDevice.rowBytes()); | 122 device = (uint32_t*)((char*)device + fDevice.rowBytes()); |
| 122 device[0] = SkBlendARGB32(fPMColor, device[0], a1); | 123 device[0] = SkBlendARGB32(fPMColor, device[0], a1); |
| 123 } | 124 } |
| 124 | 125 |
| 125 ////////////////////////////////////////////////////////////////////////////////
////// | 126 ////////////////////////////////////////////////////////////////////////////////
////// |
| 126 | 127 |
| 127 #define solid_8_pixels(mask, dst, color) \ | 128 #define solid_8_pixels(mask, dst, color) \ |
| 128 do { \ | 129 do { \ |
| 129 if (mask & 0x80) dst[0] = color; \ | 130 if (mask & 0x80) dst[0] = color; \ |
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| 240 | 241 |
| 241 if (fSrcA == 0) { | 242 if (fSrcA == 0) { |
| 242 return; | 243 return; |
| 243 } | 244 } |
| 244 | 245 |
| 245 uint32_t* device = fDevice.getAddr32(x, y); | 246 uint32_t* device = fDevice.getAddr32(x, y); |
| 246 uint32_t color = fPMColor; | 247 uint32_t color = fPMColor; |
| 247 size_t rowBytes = fDevice.rowBytes(); | 248 size_t rowBytes = fDevice.rowBytes(); |
| 248 | 249 |
| 249 while (--height >= 0) { | 250 while (--height >= 0) { |
| 250 SkBlitRow::Color32(device, device, width, color); | 251 fColor32Proc(device, device, width, color); |
| 251 device = (uint32_t*)((char*)device + rowBytes); | 252 device = (uint32_t*)((char*)device + rowBytes); |
| 252 } | 253 } |
| 253 } | 254 } |
| 254 | 255 |
| 255 #if defined _WIN32 && _MSC_VER >= 1300 | 256 #if defined _WIN32 && _MSC_VER >= 1300 |
| 256 #pragma warning ( pop ) | 257 #pragma warning ( pop ) |
| 257 #endif | 258 #endif |
| 258 | 259 |
| 259 /////////////////////////////////////////////////////////////////////// | 260 /////////////////////////////////////////////////////////////////////// |
| 260 | 261 |
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| 293 uint32_t* device = fDevice.getAddr32(x, y); | 294 uint32_t* device = fDevice.getAddr32(x, y); |
| 294 SkDEBUGCODE((void)fDevice.getAddr32(x + 1, y);) | 295 SkDEBUGCODE((void)fDevice.getAddr32(x + 1, y);) |
| 295 | 296 |
| 296 device[0] = (a0 << SK_A32_SHIFT) + SkAlphaMulQ(device[0], 256 - a0); | 297 device[0] = (a0 << SK_A32_SHIFT) + SkAlphaMulQ(device[0], 256 - a0); |
| 297 device[1] = (a1 << SK_A32_SHIFT) + SkAlphaMulQ(device[1], 256 - a1); | 298 device[1] = (a1 << SK_A32_SHIFT) + SkAlphaMulQ(device[1], 256 - a1); |
| 298 } | 299 } |
| 299 | 300 |
| 300 void SkARGB32_Black_Blitter::blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) { | 301 void SkARGB32_Black_Blitter::blitAntiV2(int x, int y, U8CPU a0, U8CPU a1) { |
| 301 uint32_t* device = fDevice.getAddr32(x, y); | 302 uint32_t* device = fDevice.getAddr32(x, y); |
| 302 SkDEBUGCODE((void)fDevice.getAddr32(x, y + 1);) | 303 SkDEBUGCODE((void)fDevice.getAddr32(x, y + 1);) |
| 303 | 304 |
| 304 device[0] = (a0 << SK_A32_SHIFT) + SkAlphaMulQ(device[0], 256 - a0); | 305 device[0] = (a0 << SK_A32_SHIFT) + SkAlphaMulQ(device[0], 256 - a0); |
| 305 device = (uint32_t*)((char*)device + fDevice.rowBytes()); | 306 device = (uint32_t*)((char*)device + fDevice.rowBytes()); |
| 306 device[0] = (a1 << SK_A32_SHIFT) + SkAlphaMulQ(device[0], 256 - a1); | 307 device[0] = (a1 << SK_A32_SHIFT) + SkAlphaMulQ(device[0], 256 - a1); |
| 307 } | 308 } |
| 308 | 309 |
| 309 /////////////////////////////////////////////////////////////////////////////// | 310 /////////////////////////////////////////////////////////////////////////////// |
| 310 | 311 |
| 311 // Special version of SkBlitRow::Factory32 that knows we're in kSrc_Mode, | 312 // Special version of SkBlitRow::Factory32 that knows we're in kSrc_Mode, |
| 312 // instead of kSrcOver_Mode | 313 // instead of kSrcOver_Mode |
| 313 static void blend_srcmode(SkPMColor* SK_RESTRICT device, | 314 static void blend_srcmode(SkPMColor* SK_RESTRICT device, |
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| 676 SkBlitRow::Proc32 proc = (255 == alpha) ? fProc32 : fProc32Blend; | 677 SkBlitRow::Proc32 proc = (255 == alpha) ? fProc32 : fProc32Blend; |
| 677 do { | 678 do { |
| 678 shaderContext->shadeSpan(x, y, span, 1); | 679 shaderContext->shadeSpan(x, y, span, 1); |
| 679 proc(device, span, 1, alpha); | 680 proc(device, span, 1, alpha); |
| 680 y += 1; | 681 y += 1; |
| 681 device = (uint32_t*)((char*)device + deviceRB); | 682 device = (uint32_t*)((char*)device + deviceRB); |
| 682 } while (--height > 0); | 683 } while (--height > 0); |
| 683 } | 684 } |
| 684 } | 685 } |
| 685 } | 686 } |
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