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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 "SkSpriteBlitter.h" | 8 #include "SkSpriteBlitter.h" |
9 #include "SkBlitRow.h" | 9 #include "SkBlitRow.h" |
10 #include "SkColorFilter.h" | 10 #include "SkColorFilter.h" |
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56 }; | 56 }; |
57 | 57 |
58 /////////////////////////////////////////////////////////////////////////////// | 58 /////////////////////////////////////////////////////////////////////////////// |
59 | 59 |
60 class Sprite_D32_XferFilter : public SkSpriteBlitter { | 60 class Sprite_D32_XferFilter : public SkSpriteBlitter { |
61 public: | 61 public: |
62 Sprite_D32_XferFilter(const SkPixmap& source, const SkPaint& paint) : SkSpri
teBlitter(source) { | 62 Sprite_D32_XferFilter(const SkPixmap& source, const SkPaint& paint) : SkSpri
teBlitter(source) { |
63 fColorFilter = paint.getColorFilter(); | 63 fColorFilter = paint.getColorFilter(); |
64 SkSafeRef(fColorFilter); | 64 SkSafeRef(fColorFilter); |
65 | 65 |
66 fXfermode = paint.getXfermode(); | 66 fXfermode = SkXfermode::Peek(paint.getBlendMode()); |
67 SkSafeRef(fXfermode); | |
68 | 67 |
69 fBufferSize = 0; | 68 fBufferSize = 0; |
70 fBuffer = nullptr; | 69 fBuffer = nullptr; |
71 | 70 |
72 unsigned flags32 = 0; | 71 unsigned flags32 = 0; |
73 if (255 != paint.getAlpha()) { | 72 if (255 != paint.getAlpha()) { |
74 flags32 |= SkBlitRow::kGlobalAlpha_Flag32; | 73 flags32 |= SkBlitRow::kGlobalAlpha_Flag32; |
75 } | 74 } |
76 if (!source.isOpaque()) { | 75 if (!source.isOpaque()) { |
77 flags32 |= SkBlitRow::kSrcPixelAlpha_Flag32; | 76 flags32 |= SkBlitRow::kSrcPixelAlpha_Flag32; |
78 } | 77 } |
79 | 78 |
80 fProc32 = SkBlitRow::Factory32(flags32); | 79 fProc32 = SkBlitRow::Factory32(flags32); |
81 fAlpha = paint.getAlpha(); | 80 fAlpha = paint.getAlpha(); |
82 } | 81 } |
83 | 82 |
84 virtual ~Sprite_D32_XferFilter() { | 83 virtual ~Sprite_D32_XferFilter() { |
85 delete[] fBuffer; | 84 delete[] fBuffer; |
86 SkSafeUnref(fXfermode); | |
87 SkSafeUnref(fColorFilter); | 85 SkSafeUnref(fColorFilter); |
88 } | 86 } |
89 | 87 |
90 void setup(const SkPixmap& dst, int left, int top, const SkPaint& paint) ove
rride { | 88 void setup(const SkPixmap& dst, int left, int top, const SkPaint& paint) ove
rride { |
91 this->INHERITED::setup(dst, left, top, paint); | 89 this->INHERITED::setup(dst, left, top, paint); |
92 | 90 |
93 int width = dst.width(); | 91 int width = dst.width(); |
94 if (width > fBufferSize) { | 92 if (width > fBufferSize) { |
95 fBufferSize = width; | 93 fBufferSize = width; |
96 delete[] fBuffer; | 94 delete[] fBuffer; |
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256 | 254 |
257 SkSpriteBlitter* SkSpriteBlitter::ChooseL32(const SkPixmap& source, const SkPain
t& paint, | 255 SkSpriteBlitter* SkSpriteBlitter::ChooseL32(const SkPixmap& source, const SkPain
t& paint, |
258 SkTBlitterAllocator* allocator) { | 256 SkTBlitterAllocator* allocator) { |
259 SkASSERT(allocator != nullptr); | 257 SkASSERT(allocator != nullptr); |
260 | 258 |
261 if (paint.getMaskFilter() != nullptr) { | 259 if (paint.getMaskFilter() != nullptr) { |
262 return nullptr; | 260 return nullptr; |
263 } | 261 } |
264 | 262 |
265 U8CPU alpha = paint.getAlpha(); | 263 U8CPU alpha = paint.getAlpha(); |
266 SkXfermode* xfermode = paint.getXfermode(); | 264 bool isSrcOver = paint.isSrcOver(); |
267 SkColorFilter* filter = paint.getColorFilter(); | 265 SkColorFilter* filter = paint.getColorFilter(); |
268 SkSpriteBlitter* blitter = nullptr; | 266 SkSpriteBlitter* blitter = nullptr; |
269 | 267 |
270 switch (source.colorType()) { | 268 switch (source.colorType()) { |
271 case kARGB_4444_SkColorType: | 269 case kARGB_4444_SkColorType: |
272 if (alpha != 0xFF) { | 270 if (alpha != 0xFF) { |
273 return nullptr; // we only have opaque sprites | 271 return nullptr; // we only have opaque sprites |
274 } | 272 } |
275 if (xfermode || filter) { | 273 if (!isSrcOver || filter) { |
276 blitter = allocator->createT<Sprite_D32_S4444_XferFilter>(source
, paint); | 274 blitter = allocator->createT<Sprite_D32_S4444_XferFilter>(source
, paint); |
277 } else if (source.isOpaque()) { | 275 } else if (source.isOpaque()) { |
278 blitter = allocator->createT<Sprite_D32_S4444_Opaque>(source); | 276 blitter = allocator->createT<Sprite_D32_S4444_Opaque>(source); |
279 } else { | 277 } else { |
280 blitter = allocator->createT<Sprite_D32_S4444>(source); | 278 blitter = allocator->createT<Sprite_D32_S4444>(source); |
281 } | 279 } |
282 break; | 280 break; |
283 case kN32_SkColorType: | 281 case kN32_SkColorType: |
284 if (xfermode || filter) { | 282 if (!isSrcOver || filter) { |
285 if (255 == alpha) { | 283 if (255 == alpha) { |
286 // this can handle xfermode or filter, but not alpha | 284 // this can handle xfermode or filter, but not alpha |
287 blitter = allocator->createT<Sprite_D32_S32A_XferFilter>(sou
rce, paint); | 285 blitter = allocator->createT<Sprite_D32_S32A_XferFilter>(sou
rce, paint); |
288 } | 286 } |
289 } else { | 287 } else { |
290 // this can handle alpha, but not xfermode or filter | 288 // this can handle alpha, but not xfermode or filter |
291 blitter = allocator->createT<Sprite_D32_S32>(source, alpha); | 289 blitter = allocator->createT<Sprite_D32_S32>(source, alpha); |
292 } | 290 } |
293 break; | 291 break; |
294 default: | 292 default: |
295 break; | 293 break; |
296 } | 294 } |
297 return blitter; | 295 return blitter; |
298 } | 296 } |
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