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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 "SampleCode.h" | 8 #include "SampleCode.h" |
| 9 #include "SkView.h" | 9 #include "SkView.h" |
| 10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 #include "SkGraphics.h" | 11 #include "SkGraphics.h" |
| 12 #include "SkRandom.h" | 12 #include "SkRandom.h" |
| 13 | 13 |
| 14 static void test_clearonlayers(SkCanvas* canvas) { | 14 static void test_clearonlayers(SkCanvas* canvas) { |
| 15 SkCanvas& c = *canvas; | 15 SkCanvas& c = *canvas; |
| 16 | 16 |
| 17 SkPaint paint; | 17 SkPaint paint; |
| 18 paint.setColor(SK_ColorBLUE); | 18 paint.setColor(SK_ColorBLUE); |
| 19 paint.setStyle(SkPaint::kStrokeAndFill_Style); | 19 paint.setStyle(SkPaint::kStrokeAndFill_Style); |
| 20 SkRect rect = SkRect::MakeXYWH(25, 25, 50, 50); | 20 SkRect rect = SkRect::MakeXYWH(25, 25, 50, 50); |
| 21 c.drawRect(rect, paint); | 21 c.drawRect(rect, paint); |
| 22 | 22 |
| 23 c.clipRect(rect); | 23 c.clipRect(rect); |
| 24 | 24 |
| 25 c.saveLayer(NULL, NULL); | 25 c.saveLayer(nullptr, nullptr); |
| 26 rect = SkRect::MakeXYWH(50, 10, 40, 80); | 26 rect = SkRect::MakeXYWH(50, 10, 40, 80); |
| 27 c.clipRect(rect, SkRegion::kUnion_Op); | 27 c.clipRect(rect, SkRegion::kUnion_Op); |
| 28 | 28 |
| 29 rect = SkRect::MakeXYWH(50, 0, 50, 100); | 29 rect = SkRect::MakeXYWH(50, 0, 50, 100); |
| 30 // You might draw something here, but it's not necessary. | 30 // You might draw something here, but it's not necessary. |
| 31 // paint.setColor(SK_ColorRED); | 31 // paint.setColor(SK_ColorRED); |
| 32 // c.drawRect(rect, paint); | 32 // c.drawRect(rect, paint); |
| 33 paint.setXfermodeMode(SkXfermode::kClear_Mode); | 33 paint.setXfermodeMode(SkXfermode::kClear_Mode); |
| 34 c.drawRect(rect, paint); | 34 c.drawRect(rect, paint); |
| 35 c.restore(); | 35 c.restore(); |
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| 255 } | 255 } |
| 256 }; | 256 }; |
| 257 | 257 |
| 258 class DrawView : public SkView { | 258 class DrawView : public SkView { |
| 259 Draw* fDraw; | 259 Draw* fDraw; |
| 260 DrawFactory* fFactory; | 260 DrawFactory* fFactory; |
| 261 SkRandom fRand; | 261 SkRandom fRand; |
| 262 SkTDArray<Draw*> fList; | 262 SkTDArray<Draw*> fList; |
| 263 | 263 |
| 264 public: | 264 public: |
| 265 DrawView() : fDraw(NULL) { | 265 DrawView() : fDraw(nullptr) { |
| 266 fFactory = new RectFactory; | 266 fFactory = new RectFactory; |
| 267 } | 267 } |
| 268 | 268 |
| 269 virtual ~DrawView() { | 269 virtual ~DrawView() { |
| 270 fList.unrefAll(); | 270 fList.unrefAll(); |
| 271 SkSafeUnref(fDraw); | 271 SkSafeUnref(fDraw); |
| 272 delete fFactory; | 272 delete fFactory; |
| 273 } | 273 } |
| 274 | 274 |
| 275 Draw* setDraw(Draw* d) { | 275 Draw* setDraw(Draw* d) { |
| 276 SkRefCnt_SafeAssign(fDraw, d); | 276 SkRefCnt_SafeAssign(fDraw, d); |
| 277 return d; | 277 return d; |
| 278 } | 278 } |
| 279 | 279 |
| 280 SkColor randColor() { | 280 SkColor randColor() { |
| 281 return (SkColor)fRand.nextU() | 0xFF000000; | 281 return (SkColor)fRand.nextU() | 0xFF000000; |
| 282 } | 282 } |
| 283 | 283 |
| 284 Draw* hitTestList(SkScalar x, SkScalar y) const { | 284 Draw* hitTestList(SkScalar x, SkScalar y) const { |
| 285 Draw** first = fList.begin(); | 285 Draw** first = fList.begin(); |
| 286 for (Draw** iter = fList.end(); iter > first;) { | 286 for (Draw** iter = fList.end(); iter > first;) { |
| 287 --iter; | 287 --iter; |
| 288 if ((*iter)->hitTest(x, y)) { | 288 if ((*iter)->hitTest(x, y)) { |
| 289 return *iter; | 289 return *iter; |
| 290 } | 290 } |
| 291 } | 291 } |
| 292 return NULL; | 292 return nullptr; |
| 293 } | 293 } |
| 294 | 294 |
| 295 protected: | 295 protected: |
| 296 // overrides from SkEventSink | 296 // overrides from SkEventSink |
| 297 virtual bool onQuery(SkEvent* evt) { | 297 virtual bool onQuery(SkEvent* evt) { |
| 298 if (SampleCode::TitleQ(*evt)) { | 298 if (SampleCode::TitleQ(*evt)) { |
| 299 SampleCode::TitleR(evt, "Draw"); | 299 SampleCode::TitleR(evt, "Draw"); |
| 300 return true; | 300 return true; |
| 301 } | 301 } |
| 302 return this->INHERITED::onQuery(evt); | 302 return this->INHERITED::onQuery(evt); |
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| 337 } | 337 } |
| 338 | 338 |
| 339 virtual bool onClick(Click* click) { | 339 virtual bool onClick(Click* click) { |
| 340 if (Click::kUp_State == click->fState) { | 340 if (Click::kUp_State == click->fState) { |
| 341 if (click->isType("maker")) { | 341 if (click->isType("maker")) { |
| 342 if (SkPoint::Distance(click->fOrig, click->fCurr) > SkIntToScala
r(3)) { | 342 if (SkPoint::Distance(click->fOrig, click->fCurr) > SkIntToScala
r(3)) { |
| 343 *fList.append() = fDraw; | 343 *fList.append() = fDraw; |
| 344 } else { | 344 } else { |
| 345 fDraw->unref(); | 345 fDraw->unref(); |
| 346 } | 346 } |
| 347 fDraw = NULL; | 347 fDraw = nullptr; |
| 348 } | 348 } |
| 349 return true; | 349 return true; |
| 350 } | 350 } |
| 351 | 351 |
| 352 if (Click::kDown_State == click->fState) { | 352 if (Click::kDown_State == click->fState) { |
| 353 SkPaint p = fFactory->getPaint(); | 353 SkPaint p = fFactory->getPaint(); |
| 354 p.setColor(this->randColor()); | 354 p.setColor(this->randColor()); |
| 355 fFactory->setPaint(p); | 355 fFactory->setPaint(p); |
| 356 } | 356 } |
| 357 | 357 |
| 358 if (click->isType("maker")) { | 358 if (click->isType("maker")) { |
| 359 this->setDraw(fFactory->create(click->fOrig, click->fCurr))->unref()
; | 359 this->setDraw(fFactory->create(click->fOrig, click->fCurr))->unref()
; |
| 360 } else if (click->isType("dragger")) { | 360 } else if (click->isType("dragger")) { |
| 361 for (Draw** iter = fList.begin(); iter < fList.end(); iter++) { | 361 for (Draw** iter = fList.begin(); iter < fList.end(); iter++) { |
| 362 if ((*iter)->isSelected()) { | 362 if ((*iter)->isSelected()) { |
| 363 (*iter)->offset(click->fCurr.x() - click->fPrev.x(), | 363 (*iter)->offset(click->fCurr.x() - click->fPrev.x(), |
| 364 click->fCurr.y() - click->fPrev.y()); | 364 click->fCurr.y() - click->fPrev.y()); |
| 365 } | 365 } |
| 366 } | 366 } |
| 367 } | 367 } |
| 368 this->inval(NULL); | 368 this->inval(nullptr); |
| 369 return true; | 369 return true; |
| 370 } | 370 } |
| 371 | 371 |
| 372 private: | 372 private: |
| 373 typedef SkView INHERITED; | 373 typedef SkView INHERITED; |
| 374 }; | 374 }; |
| 375 | 375 |
| 376 ////////////////////////////////////////////////////////////////////////////// | 376 ////////////////////////////////////////////////////////////////////////////// |
| 377 | 377 |
| 378 static SkView* MyFactory() { return new DrawView; } | 378 static SkView* MyFactory() { return new DrawView; } |
| 379 static SkViewRegister reg(MyFactory); | 379 static SkViewRegister reg(MyFactory); |
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