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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 #include "SkCanvas.h" | 8 #include "SkCanvas.h" |
| 9 #include "SkColor.h" | 9 #include "SkColor.h" |
| 10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
| 11 #include "SkWriteBuffer.h" | 11 #include "SkWriteBuffer.h" |
| 12 #include "SkLayerDrawLooper.h" | 12 #include "SkLayerDrawLooper.h" |
| 13 #include "SkString.h" | 13 #include "SkString.h" |
| 14 #include "SkStringUtils.h" | 14 #include "SkStringUtils.h" |
| 15 #include "SkUnPreMultiply.h" | 15 #include "SkUnPreMultiply.h" |
| 16 | 16 |
| 17 SkLayerDrawLooper::LayerInfo::LayerInfo() { | 17 SkLayerDrawLooper::LayerInfo::LayerInfo() { |
| 18 fPaintBits = 0; // ignore our paint fields | 18 fPaintBits = 0; // ignore our paint fields |
| 19 fColorMode = SkXfermode::kDst_Mode; // ignore our color | 19 fColorMode = SkXfermode::kDst_Mode; // ignore our color |
| 20 fOffset.set(0, 0); | 20 fOffset.set(0, 0); |
| 21 fPostTranslate = false; | 21 fPostTranslate = false; |
| 22 } | 22 } |
| 23 | 23 |
| 24 SkLayerDrawLooper::SkLayerDrawLooper() | 24 SkLayerDrawLooper::SkLayerDrawLooper() |
| 25 : fRecs(NULL), | 25 : fRecs(nullptr), |
| 26 fTopRec(NULL), | 26 fTopRec(nullptr), |
| 27 fCount(0) { | 27 fCount(0) { |
| 28 } | 28 } |
| 29 | 29 |
| 30 SkLayerDrawLooper::~SkLayerDrawLooper() { | 30 SkLayerDrawLooper::~SkLayerDrawLooper() { |
| 31 Rec* rec = fRecs; | 31 Rec* rec = fRecs; |
| 32 while (rec) { | 32 while (rec) { |
| 33 Rec* next = rec->fNext; | 33 Rec* next = rec->fNext; |
| 34 delete rec; | 34 delete rec; |
| 35 rec = next; | 35 rec = next; |
| 36 } | 36 } |
| (...skipping 90 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 127 m.postTranslate(dx, dy); | 127 m.postTranslate(dx, dy); |
| 128 canvas->setMatrix(m); | 128 canvas->setMatrix(m); |
| 129 } | 129 } |
| 130 | 130 |
| 131 SkLayerDrawLooper::LayerDrawLooperContext::LayerDrawLooperContext( | 131 SkLayerDrawLooper::LayerDrawLooperContext::LayerDrawLooperContext( |
| 132 const SkLayerDrawLooper* looper) : fCurrRec(looper->fRecs) {} | 132 const SkLayerDrawLooper* looper) : fCurrRec(looper->fRecs) {} |
| 133 | 133 |
| 134 bool SkLayerDrawLooper::LayerDrawLooperContext::next(SkCanvas* canvas, | 134 bool SkLayerDrawLooper::LayerDrawLooperContext::next(SkCanvas* canvas, |
| 135 SkPaint* paint) { | 135 SkPaint* paint) { |
| 136 canvas->restore(); | 136 canvas->restore(); |
| 137 if (NULL == fCurrRec) { | 137 if (nullptr == fCurrRec) { |
| 138 return false; | 138 return false; |
| 139 } | 139 } |
| 140 | 140 |
| 141 ApplyInfo(paint, fCurrRec->fPaint, fCurrRec->fInfo); | 141 ApplyInfo(paint, fCurrRec->fPaint, fCurrRec->fInfo); |
| 142 | 142 |
| 143 canvas->save(); | 143 canvas->save(); |
| 144 if (fCurrRec->fInfo.fPostTranslate) { | 144 if (fCurrRec->fInfo.fPostTranslate) { |
| 145 postTranslate(canvas, fCurrRec->fInfo.fOffset.fX, | 145 postTranslate(canvas, fCurrRec->fInfo.fOffset.fX, |
| 146 fCurrRec->fInfo.fOffset.fY); | 146 fCurrRec->fInfo.fOffset.fY); |
| 147 } else { | 147 } else { |
| (...skipping 12 matching lines...) Expand all Loading... |
| 160 const Rec* rec = fRecs; | 160 const Rec* rec = fRecs; |
| 161 | 161 |
| 162 // bottom layer needs to be just blur(maskfilter) | 162 // bottom layer needs to be just blur(maskfilter) |
| 163 if ((rec->fInfo.fPaintBits & ~kMaskFilter_Bit)) { | 163 if ((rec->fInfo.fPaintBits & ~kMaskFilter_Bit)) { |
| 164 return false; | 164 return false; |
| 165 } | 165 } |
| 166 if (SkXfermode::kSrc_Mode != rec->fInfo.fColorMode) { | 166 if (SkXfermode::kSrc_Mode != rec->fInfo.fColorMode) { |
| 167 return false; | 167 return false; |
| 168 } | 168 } |
| 169 const SkMaskFilter* mf = rec->fPaint.getMaskFilter(); | 169 const SkMaskFilter* mf = rec->fPaint.getMaskFilter(); |
| 170 if (NULL == mf) { | 170 if (nullptr == mf) { |
| 171 return false; | 171 return false; |
| 172 } | 172 } |
| 173 SkMaskFilter::BlurRec maskBlur; | 173 SkMaskFilter::BlurRec maskBlur; |
| 174 if (!mf->asABlur(&maskBlur)) { | 174 if (!mf->asABlur(&maskBlur)) { |
| 175 return false; | 175 return false; |
| 176 } | 176 } |
| 177 | 177 |
| 178 rec = rec->fNext; | 178 rec = rec->fNext; |
| 179 // top layer needs to be "plain" | 179 // top layer needs to be "plain" |
| 180 if (rec->fInfo.fPaintBits) { | 180 if (rec->fInfo.fPaintBits) { |
| (...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 286 str->append("false "); | 286 str->append("false "); |
| 287 } | 287 } |
| 288 | 288 |
| 289 rec->fPaint.toString(str); | 289 rec->fPaint.toString(str); |
| 290 rec = rec->fNext; | 290 rec = rec->fNext; |
| 291 } | 291 } |
| 292 } | 292 } |
| 293 #endif | 293 #endif |
| 294 | 294 |
| 295 SkLayerDrawLooper::Builder::Builder() | 295 SkLayerDrawLooper::Builder::Builder() |
| 296 : fRecs(NULL), | 296 : fRecs(nullptr), |
| 297 fTopRec(NULL), | 297 fTopRec(nullptr), |
| 298 fCount(0) { | 298 fCount(0) { |
| 299 } | 299 } |
| 300 | 300 |
| 301 SkLayerDrawLooper::Builder::~Builder() { | 301 SkLayerDrawLooper::Builder::~Builder() { |
| 302 Rec* rec = fRecs; | 302 Rec* rec = fRecs; |
| 303 while (rec) { | 303 while (rec) { |
| 304 Rec* next = rec->fNext; | 304 Rec* next = rec->fNext; |
| 305 delete rec; | 305 delete rec; |
| 306 rec = next; | 306 rec = next; |
| 307 } | 307 } |
| 308 } | 308 } |
| 309 | 309 |
| 310 SkPaint* SkLayerDrawLooper::Builder::addLayer(const LayerInfo& info) { | 310 SkPaint* SkLayerDrawLooper::Builder::addLayer(const LayerInfo& info) { |
| 311 fCount += 1; | 311 fCount += 1; |
| 312 | 312 |
| 313 Rec* rec = new Rec; | 313 Rec* rec = new Rec; |
| 314 rec->fNext = fRecs; | 314 rec->fNext = fRecs; |
| 315 rec->fInfo = info; | 315 rec->fInfo = info; |
| 316 fRecs = rec; | 316 fRecs = rec; |
| 317 if (NULL == fTopRec) { | 317 if (nullptr == fTopRec) { |
| 318 fTopRec = rec; | 318 fTopRec = rec; |
| 319 } | 319 } |
| 320 | 320 |
| 321 return &rec->fPaint; | 321 return &rec->fPaint; |
| 322 } | 322 } |
| 323 | 323 |
| 324 void SkLayerDrawLooper::Builder::addLayer(SkScalar dx, SkScalar dy) { | 324 void SkLayerDrawLooper::Builder::addLayer(SkScalar dx, SkScalar dy) { |
| 325 LayerInfo info; | 325 LayerInfo info; |
| 326 | 326 |
| 327 info.fOffset.set(dx, dy); | 327 info.fOffset.set(dx, dy); |
| 328 (void)this->addLayer(info); | 328 (void)this->addLayer(info); |
| 329 } | 329 } |
| 330 | 330 |
| 331 SkPaint* SkLayerDrawLooper::Builder::addLayerOnTop(const LayerInfo& info) { | 331 SkPaint* SkLayerDrawLooper::Builder::addLayerOnTop(const LayerInfo& info) { |
| 332 fCount += 1; | 332 fCount += 1; |
| 333 | 333 |
| 334 Rec* rec = new Rec; | 334 Rec* rec = new Rec; |
| 335 rec->fNext = NULL; | 335 rec->fNext = nullptr; |
| 336 rec->fInfo = info; | 336 rec->fInfo = info; |
| 337 if (NULL == fRecs) { | 337 if (nullptr == fRecs) { |
| 338 fRecs = rec; | 338 fRecs = rec; |
| 339 } else { | 339 } else { |
| 340 SkASSERT(fTopRec); | 340 SkASSERT(fTopRec); |
| 341 fTopRec->fNext = rec; | 341 fTopRec->fNext = rec; |
| 342 } | 342 } |
| 343 fTopRec = rec; | 343 fTopRec = rec; |
| 344 | 344 |
| 345 return &rec->fPaint; | 345 return &rec->fPaint; |
| 346 } | 346 } |
| 347 | 347 |
| 348 SkLayerDrawLooper* SkLayerDrawLooper::Builder::detachLooper() { | 348 SkLayerDrawLooper* SkLayerDrawLooper::Builder::detachLooper() { |
| 349 SkLayerDrawLooper* looper = new SkLayerDrawLooper; | 349 SkLayerDrawLooper* looper = new SkLayerDrawLooper; |
| 350 looper->fCount = fCount; | 350 looper->fCount = fCount; |
| 351 looper->fRecs = fRecs; | 351 looper->fRecs = fRecs; |
| 352 | 352 |
| 353 fCount = 0; | 353 fCount = 0; |
| 354 fRecs = NULL; | 354 fRecs = nullptr; |
| 355 fTopRec = NULL; | 355 fTopRec = nullptr; |
| 356 | 356 |
| 357 return looper; | 357 return looper; |
| 358 } | 358 } |
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