1 /* 2 * Copyright 2011 Google Inc. 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 #include "SampleApp.h" 8 9 #include "SkData.h" 10 #include "SkCanvas.h" 11 #include "SkDevice.h" 12 #include "SkGpuDevice.h" 13 #include "SkGraphics.h" 14 #include "SkImageEncoder.h" 15 #include "SkPaint.h" 16 #include "SkPicture.h" 17 #include "SkStream.h" 18 #include "SkTime.h" 19 #include "SkWindow.h" 20 21 #include "SampleCode.h" 22 #include "GrContext.h" 23 #include "SkTypeface.h" 24 25 #include "gl/GrGLInterface.h" 26 #include "GrRenderTarget.h" 27 28 #include "SkPDFDevice.h" 29 #include "SkPDFDocument.h" 30 #include "SkStream.h" 31 32 #define TEST_GPIPE 33 34 #ifdef TEST_GPIPE 35 #define PIPE_FILEx 36 #ifdef PIPE_FILE 37 #define FILE_PATH "/path/to/drawing.data" 38 #endif 39 40 #define PIPE_NETx 41 #ifdef PIPE_NET 42 #include "SkSockets.h" 43 SkTCPServer gServer; 44 #endif 45 46 #define DEBUGGERx 47 #ifdef DEBUGGER 48 extern SkView* create_debugger(const char* data, size_t size); 49 extern bool is_debugger(SkView* view); 50 SkTDArray<char> gTempDataStore; 51 #endif 52 53 #endif 54 55 #define USE_ARROWS_FOR_ZOOM true 56 //#define DEFAULT_TO_GPU 57 58 extern SkView* create_overview(int, const SkViewFactory*[]); 59 extern bool is_overview(SkView* view); 60 //extern SkView* create_transition(SkView*, SkView*, int); 61 //extern bool is_transition(SkView* view); 62 63 64 #define ANIMATING_EVENTTYPE "nextSample" 65 #define ANIMATING_DELAY 750 66 67 #ifdef SK_DEBUG 68 #define FPS_REPEAT_MULTIPLIER 1 69 #else 70 #define FPS_REPEAT_MULTIPLIER 10 71 #endif 72 #define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER) 73 74 static SampleWindow* gSampleWindow; 75 76 static void postEventToSink(SkEvent* evt, SkEventSink* sink) { 77 evt->setTargetID(sink->getSinkID())->post(); 78 } 79 80 /////////////////////////////////////////////////////////////////////////////// 81 82 static const char* skip_until(const char* str, const char* skip) { 83 if (!str) { 84 return NULL; 85 } 86 return strstr(str, skip); 87 } 88 89 static const char* skip_past(const char* str, const char* skip) { 90 const char* found = skip_until(str, skip); 91 if (!found) { 92 return NULL; 93 } 94 return found + strlen(skip); 95 } 96 97 static const char* gPrefFileName = "sampleapp_prefs.txt"; 98 99 static bool readTitleFromPrefs(SkString* title) { 100 SkFILEStream stream(gPrefFileName); 101 if (!stream.isValid()) { 102 return false; 103 } 104 105 int len = stream.getLength(); 106 SkString data(len); 107 stream.read(data.writable_str(), len); 108 const char* s = data.c_str(); 109 110 s = skip_past(s, "curr-slide-title"); 111 s = skip_past(s, "="); 112 s = skip_past(s, "\""); 113 const char* stop = skip_until(s, "\""); 114 if (stop > s) { 115 title->set(s, stop - s); 116 return true; 117 } 118 return false; 119 } 120 121 static void writeTitleToPrefs(const char* title) { 122 SkFILEWStream stream(gPrefFileName); 123 SkString data; 124 data.printf("curr-slide-title = \"%s\"\n", title); 125 stream.write(data.c_str(), data.size()); 126 } 127 128 /////////////////////////////////////////////////////////////////////////////// 129 130 class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager { 131 public: 132 133 DefaultDeviceManager() { 134 fGrRenderTarget = NULL; 135 fGrContext = NULL; 136 fGL = NULL; 137 fNullGrContext = NULL; 138 fNullGrRenderTarget = NULL; 139 } 140 141 virtual ~DefaultDeviceManager() { 142 SkSafeUnref(fGrRenderTarget); 143 SkSafeUnref(fGrContext); 144 SkSafeUnref(fGL); 145 SkSafeUnref(fNullGrContext); 146 SkSafeUnref(fNullGrRenderTarget); 147 } 148 149 virtual void init(SampleWindow* win) { 150 if (!win->attachGL()) { 151 SkDebugf("Failed to initialize GL"); 152 } 153 if (NULL == fGL) { 154 fGL = GrGLCreateNativeInterface(); 155 GrAssert(NULL == fGrContext); 156 fGrContext = GrContext::Create(kOpenGL_Shaders_GrEngine, 157 (GrPlatform3DContext) fGL); 158 } 159 if (NULL == fGrContext || NULL == fGL) { 160 SkSafeUnref(fGrContext); 161 SkSafeUnref(fGL); 162 SkDebugf("Failed to setup 3D"); 163 win->detachGL(); 164 } 165 if (NULL == fNullGrContext) { 166 const GrGLInterface* nullGL = GrGLCreateNullInterface(); 167 fNullGrContext = GrContext::Create(kOpenGL_Shaders_GrEngine, 168 (GrPlatform3DContext) nullGL); 169 nullGL->unref(); 170 } 171 } 172 173 virtual bool supportsDeviceType(SampleWindow::DeviceType dType) { 174 switch (dType) { 175 case kRaster_DeviceType: 176 case kPicture_DeviceType: // fallthru 177 return true; 178 case kGPU_DeviceType: 179 return NULL != fGrContext && NULL != fGrRenderTarget; 180 case kNullGPU_DeviceType: 181 return NULL != fNullGrContext && NULL != fNullGrRenderTarget; 182 default: 183 return false; 184 } 185 } 186 187 virtual bool prepareCanvas(SampleWindow::DeviceType dType, 188 SkCanvas* canvas, 189 SampleWindow* win) { 190 switch (dType) { 191 case kGPU_DeviceType: 192 if (fGrContext) { 193 canvas->setDevice(new SkGpuDevice(fGrContext, 194 fGrRenderTarget))->unref(); 195 } else { 196 return false; 197 } 198 break; 199 case kNullGPU_DeviceType: 200 if (fNullGrContext) { 201 canvas->setDevice(new SkGpuDevice(fNullGrContext, 202 fNullGrRenderTarget))->unref(); 203 } else { 204 return false; 205 } 206 break; 207 case kRaster_DeviceType: 208 case kPicture_DeviceType: 209 break; 210 } 211 return true; 212 } 213 214 virtual void publishCanvas(SampleWindow::DeviceType dType, 215 SkCanvas* canvas, 216 SampleWindow* win) { 217 if (fGrContext) { 218 // in case we have queued drawing calls 219 fGrContext->flush(); 220 if (NULL != fNullGrContext) { 221 fNullGrContext->flush(); 222 } 223 if (dType != kGPU_DeviceType && 224 dType != kNullGPU_DeviceType) { 225 // need to send the raster bits to the (gpu) window 226 fGrContext->setRenderTarget(fGrRenderTarget); 227 const SkBitmap& bm = win->getBitmap(); 228 fGrRenderTarget->writePixels(0, 0, bm.width(), bm.height(), 229 kSkia8888_PM_GrPixelConfig, 230 bm.getPixels(), 231 bm.rowBytes()); 232 } 233 } 234 win->presentGL(); 235 } 236 237 virtual void windowSizeChanged(SampleWindow* win) { 238 if (fGrContext) { 239 win->attachGL(); 240 241 GrPlatformRenderTargetDesc desc; 242 desc.fWidth = SkScalarRound(win->width()); 243 desc.fHeight = SkScalarRound(win->height()); 244 desc.fConfig = kSkia8888_PM_GrPixelConfig; 245 GR_GL_GetIntegerv(fGL, GR_GL_SAMPLES, &desc.fSampleCnt); 246 GR_GL_GetIntegerv(fGL, GR_GL_STENCIL_BITS, &desc.fStencilBits); 247 GrGLint buffer; 248 GR_GL_GetIntegerv(fGL, GR_GL_FRAMEBUFFER_BINDING, &buffer); 249 desc.fRenderTargetHandle = buffer; 250 251 SkSafeUnref(fGrRenderTarget); 252 fGrRenderTarget = fGrContext->createPlatformRenderTarget(desc); 253 } 254 if (NULL != fNullGrContext) { 255 GrPlatformRenderTargetDesc desc; 256 desc.fWidth = SkScalarRound(win->width()); 257 desc.fHeight = SkScalarRound(win->height()); 258 desc.fConfig = kSkia8888_PM_GrPixelConfig; 259 desc.fStencilBits = 8; 260 desc.fSampleCnt = 0; 261 desc.fRenderTargetHandle = 0; 262 fNullGrRenderTarget = fNullGrContext->createPlatformRenderTarget(desc); 263 } 264 } 265 266 virtual GrContext* getGrContext(SampleWindow::DeviceType dType) { 267 if (kNullGPU_DeviceType == dType) { 268 return fNullGrContext; 269 } else { 270 return fGrContext; 271 } 272 } 273 private: 274 GrContext* fGrContext; 275 const GrGLInterface* fGL; 276 GrRenderTarget* fGrRenderTarget; 277 GrContext* fNullGrContext; 278 GrRenderTarget* fNullGrRenderTarget; 279 }; 280 281 /////////////// 282 static const char view_inval_msg[] = "view-inval-msg"; 283 284 void SampleWindow::postInvalDelay() { 285 (new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1); 286 } 287 288 static bool isInvalEvent(const SkEvent& evt) { 289 return evt.isType(view_inval_msg); 290 } 291 ////////////////// 292 293 SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func) 294 : fCreateFunc(func) { 295 } 296 297 SkView* SkFuncViewFactory::operator() () const { 298 return (*fCreateFunc)(); 299 } 300 301 #include "GMSampleView.h" 302 303 SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func) 304 : fFunc(func) { 305 } 306 307 SkView* SkGMSampleViewFactory::operator() () const { 308 return new GMSampleView(fFunc(NULL)); 309 } 310 311 SkViewRegister* SkViewRegister::gHead; 312 SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) { 313 fFact->ref(); 314 fChain = gHead; 315 gHead = this; 316 } 317 318 SkViewRegister::SkViewRegister(SkViewCreateFunc func) { 319 fFact = new SkFuncViewFactory(func); 320 fChain = gHead; 321 gHead = this; 322 } 323 324 SkViewRegister::SkViewRegister(GMFactoryFunc func) { 325 fFact = new SkGMSampleViewFactory(func); 326 fChain = gHead; 327 gHead = this; 328 } 329 330 class AutoUnrefArray { 331 public: 332 AutoUnrefArray() {} 333 ~AutoUnrefArray() { 334 int count = fObjs.count(); 335 for (int i = 0; i < count; ++i) { 336 fObjs[i]->unref(); 337 } 338 } 339 SkRefCnt*& push_back() { return *fObjs.append(); } 340 341 private: 342 SkTDArray<SkRefCnt*> fObjs; 343 }; 344 345 // registers GMs as Samples 346 // This can't be performed during static initialization because it could be 347 // run before GMRegistry has been fully built. 348 void SkGMRegistyToSampleRegistry() { 349 static bool gOnce; 350 static AutoUnrefArray fRegisters; 351 352 if (!gOnce) { 353 const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head(); 354 while (gmreg) { 355 fRegisters.push_back() = new SkViewRegister(gmreg->factory()); 356 gmreg = gmreg->next(); 357 } 358 gOnce = true; 359 } 360 } 361 362 #if 0 363 #include <CoreFoundation/CoreFoundation.h> 364 #include <CoreFoundation/CFURLAccess.h> 365 366 static void testpdf() { 367 CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf", 368 kCFStringEncodingUTF8); 369 CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path, 370 kCFURLPOSIXPathStyle, 371 false); 372 CFRelease(path); 373 CGRect box = CGRectMake(0, 0, 8*72, 10*72); 374 CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL); 375 CFRelease(url); 376 377 CGContextBeginPage(cg, &box); 378 CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5); 379 CGContextFillEllipseInRect(cg, r); 380 CGContextEndPage(cg); 381 CGContextRelease(cg); 382 383 if (false) { 384 SkBitmap bm; 385 bm.setConfig(SkBitmap::kA8_Config, 64, 64); 386 bm.allocPixels(); 387 bm.eraseColor(0); 388 389 SkCanvas canvas(bm); 390 391 } 392 } 393 #endif 394 395 ////////////////////////////////////////////////////////////////////////////// 396 397 enum FlipAxisEnum { 398 kFlipAxis_X = (1 << 0), 399 kFlipAxis_Y = (1 << 1) 400 }; 401 402 #include "SkDrawFilter.h" 403 404 class FlagsDrawFilter : public SkDrawFilter { 405 public: 406 FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, SkOSMenu::TriState filter, 407 SkOSMenu::TriState hinting) : 408 fLCDState(lcd), fAAState(aa), fFilterState(filter), fHintingState(hinting) {} 409 410 virtual void filter(SkPaint* paint, Type t) { 411 if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) { 412 paint->setLCDRenderText(SkOSMenu::kOnState == fLCDState); 413 } 414 if (SkOSMenu::kMixedState != fAAState) { 415 paint->setAntiAlias(SkOSMenu::kOnState == fAAState); 416 } 417 if (SkOSMenu::kMixedState != fFilterState) { 418 paint->setFilterBitmap(SkOSMenu::kOnState == fFilterState); 419 } 420 if (SkOSMenu::kMixedState != fHintingState) { 421 paint->setHinting(SkOSMenu::kOnState == fHintingState ? 422 SkPaint::kNormal_Hinting : 423 SkPaint::kSlight_Hinting); 424 } 425 } 426 427 private: 428 SkOSMenu::TriState fLCDState; 429 SkOSMenu::TriState fAAState; 430 SkOSMenu::TriState fFilterState; 431 SkOSMenu::TriState fHintingState; 432 }; 433 434 ////////////////////////////////////////////////////////////////////////////// 435 436 #define MAX_ZOOM_LEVEL 8 437 #define MIN_ZOOM_LEVEL -8 438 439 static const char gCharEvtName[] = "SampleCode_Char_Event"; 440 static const char gKeyEvtName[] = "SampleCode_Key_Event"; 441 static const char gTitleEvtName[] = "SampleCode_Title_Event"; 442 static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; 443 static const char gFastTextEvtName[] = "SampleCode_FastText_Event"; 444 static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle"; 445 446 bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) { 447 if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) { 448 if (outUni) { 449 *outUni = evt.getFast32(); 450 } 451 return true; 452 } 453 return false; 454 } 455 456 bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) { 457 if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) { 458 if (outKey) { 459 *outKey = (SkKey)evt.getFast32(); 460 } 461 return true; 462 } 463 return false; 464 } 465 466 bool SampleCode::TitleQ(const SkEvent& evt) { 467 return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); 468 } 469 470 void SampleCode::TitleR(SkEvent* evt, const char title[]) { 471 SkASSERT(evt && TitleQ(*evt)); 472 evt->setString(gTitleEvtName, title); 473 } 474 475 bool SampleCode::RequestTitle(SkView* view, SkString* title) { 476 SkEvent evt(gTitleEvtName); 477 if (view->doQuery(&evt)) { 478 title->set(evt.findString(gTitleEvtName)); 479 return true; 480 } 481 return false; 482 } 483 484 bool SampleCode::PrefSizeQ(const SkEvent& evt) { 485 return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); 486 } 487 488 void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { 489 SkASSERT(evt && PrefSizeQ(*evt)); 490 SkScalar size[2]; 491 size[0] = width; 492 size[1] = height; 493 evt->setScalars(gPrefSizeEvtName, 2, size); 494 } 495 496 bool SampleCode::FastTextQ(const SkEvent& evt) { 497 return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1); 498 } 499 500 /////////////////////////////////////////////////////////////////////////////// 501 502 static SkMSec gAnimTime; 503 static SkMSec gAnimTimePrev; 504 505 SkMSec SampleCode::GetAnimTime() { return gAnimTime; } 506 SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; } 507 SkScalar SampleCode::GetAnimSecondsDelta() { 508 return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0); 509 } 510 511 SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) { 512 // since gAnimTime can be up to 32 bits, we can't convert it to a float 513 // or we'll lose the low bits. Hence we use doubles for the intermediate 514 // calculations 515 double seconds = (double)gAnimTime / 1000.0; 516 double value = SkScalarToDouble(speed) * seconds; 517 if (period) { 518 value = ::fmod(value, SkScalarToDouble(period)); 519 } 520 return SkDoubleToScalar(value); 521 } 522 523 GrContext* SampleCode::GetGr() { 524 return gSampleWindow ? gSampleWindow->getGrContext() : NULL; 525 } 526 527 // some GMs rely on having a skiagm::GetGr function defined 528 namespace skiagm { 529 GrContext* GetGr() { return SampleCode::GetGr(); } 530 } 531 532 ////////////////////////////////////////////////////////////////////////////// 533 534 static SkView* curr_view(SkWindow* wind) { 535 SkView::F2BIter iter(wind); 536 return iter.next(); 537 } 538 539 static bool curr_title(SkWindow* wind, SkString* title) { 540 SkView* view = curr_view(wind); 541 if (view) { 542 SkEvent evt(gTitleEvtName); 543 if (view->doQuery(&evt)) { 544 title->set(evt.findString(gTitleEvtName)); 545 return true; 546 } 547 } 548 return false; 549 } 550 551 void SampleWindow::setZoomCenter(float x, float y) 552 { 553 fZoomCenterX = SkFloatToScalar(x); 554 fZoomCenterY = SkFloatToScalar(y); 555 } 556 557 bool SampleWindow::zoomIn() 558 { 559 // Arbitrarily decided 560 if (fFatBitsScale == 25) return false; 561 fFatBitsScale++; 562 this->inval(NULL); 563 return true; 564 } 565 566 bool SampleWindow::zoomOut() 567 { 568 if (fFatBitsScale == 1) return false; 569 fFatBitsScale--; 570 this->inval(NULL); 571 return true; 572 } 573 574 void SampleWindow::updatePointer(int x, int y) 575 { 576 fMouseX = x; 577 fMouseY = y; 578 if (fShowZoomer) { 579 this->inval(NULL); 580 } 581 } 582 583 static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) { 584 static const SampleWindow::DeviceType gCT[] = { 585 SampleWindow::kPicture_DeviceType, 586 SampleWindow::kGPU_DeviceType, 587 SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling 588 SampleWindow::kRaster_DeviceType 589 }; 590 return gCT[ct]; 591 } 592 593 SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager) : INHERITED(hwnd) { 594 gSampleWindow = this; 595 596 #ifdef PIPE_FILE 597 //Clear existing file or create file if it doesn't exist 598 FILE* f = fopen(FILE_PATH, "wb"); 599 fclose(f); 600 #endif 601 602 fPicture = NULL; 603 604 #ifdef DEFAULT_TO_GPU 605 fDeviceType = kGPU_DeviceType; 606 #else 607 fDeviceType = kRaster_DeviceType; 608 #endif 609 fUseClip = false; 610 fNClip = false; 611 fAnimating = false; 612 fRotate = false; 613 fPerspAnim = false; 614 fPerspAnimTime = 0; 615 fScale = false; 616 fRequestGrabImage = false; 617 fUsePipe = false; 618 fMeasureFPS = false; 619 fLCDState = SkOSMenu::kMixedState; 620 fAAState = SkOSMenu::kMixedState; 621 fFilterState = SkOSMenu::kMixedState; 622 fHintingState = SkOSMenu::kMixedState; 623 fFlipAxis = 0; 624 fScrollTestX = fScrollTestY = 0; 625 626 fMouseX = fMouseY = 0; 627 fFatBitsScale = 8; 628 fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold); 629 fShowZoomer = false; 630 631 fZoomLevel = 0; 632 fZoomScale = SK_Scalar1; 633 634 fMagnify = false; 635 fDebugger = false; 636 637 fSaveToPdf = false; 638 fPdfCanvas = NULL; 639 640 fTransitionNext = 6; 641 fTransitionPrev = 2; 642 643 int sinkID = this->getSinkID(); 644 fAppMenu.setTitle("Global Settings"); 645 int itemID; 646 647 itemID =fAppMenu.appendList("Device Type", "Device Type", sinkID, 0, 648 "Raster", "Picture", "OpenGL", NULL); 649 fAppMenu.assignKeyEquivalentToItem(itemID, 'd'); 650 itemID = fAppMenu.appendTriState("AA", "AA", sinkID, fAAState); 651 fAppMenu.assignKeyEquivalentToItem(itemID, 'b'); 652 itemID = fAppMenu.appendTriState("LCD", "LCD", sinkID, fLCDState); 653 fAppMenu.assignKeyEquivalentToItem(itemID, 'l'); 654 itemID = fAppMenu.appendTriState("Filter", "Filter", sinkID, fFilterState); 655 fAppMenu.assignKeyEquivalentToItem(itemID, 'n'); 656 itemID = fAppMenu.appendTriState("Hinting", "Hinting", sinkID, fHintingState); 657 fAppMenu.assignKeyEquivalentToItem(itemID, 'h'); 658 fUsePipeMenuItemID = fAppMenu.appendSwitch("Pipe", "Pipe" , sinkID, fUsePipe); 659 fAppMenu.assignKeyEquivalentToItem(fUsePipeMenuItemID, 'p'); 660 #ifdef DEBUGGER 661 itemID = fAppMenu.appendSwitch("Debugger", "Debugger", sinkID, fDebugger); 662 fAppMenu.assignKeyEquivalentToItem(itemID, 'q'); 663 #endif 664 itemID = fAppMenu.appendSwitch("Slide Show", "Slide Show" , sinkID, false); 665 fAppMenu.assignKeyEquivalentToItem(itemID, 'a'); 666 itemID = fAppMenu.appendSwitch("Clip", "Clip" , sinkID, fUseClip); 667 fAppMenu.assignKeyEquivalentToItem(itemID, 'c'); 668 itemID = fAppMenu.appendSwitch("Flip X", "Flip X" , sinkID, false); 669 fAppMenu.assignKeyEquivalentToItem(itemID, 'x'); 670 itemID = fAppMenu.appendSwitch("Flip Y", "Flip Y" , sinkID, false); 671 fAppMenu.assignKeyEquivalentToItem(itemID, 'y'); 672 itemID = fAppMenu.appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer); 673 fAppMenu.assignKeyEquivalentToItem(itemID, 'z'); 674 itemID = fAppMenu.appendSwitch("Magnify", "Magnify" , sinkID, fMagnify); 675 fAppMenu.assignKeyEquivalentToItem(itemID, 'm'); 676 itemID =fAppMenu.appendList("Transition-Next", "Transition-Next", sinkID, 677 fTransitionNext, "Up", "Up and Right", "Right", 678 "Down and Right", "Down", "Down and Left", 679 "Left", "Up and Left", NULL); 680 fAppMenu.assignKeyEquivalentToItem(itemID, 'j'); 681 itemID =fAppMenu.appendList("Transition-Prev", "Transition-Prev", sinkID, 682 fTransitionPrev, "Up", "Up and Right", "Right", 683 "Down and Right", "Down", "Down and Left", 684 "Left", "Up and Left", NULL); 685 fAppMenu.assignKeyEquivalentToItem(itemID, 'k'); 686 itemID = fAppMenu.appendAction("Save to PDF", sinkID); 687 fAppMenu.assignKeyEquivalentToItem(itemID, 'e'); 688 689 this->addMenu(&fAppMenu); 690 this->addMenu(&fSlideMenu); 691 692 // this->setConfig(SkBitmap::kRGB_565_Config); 693 this->setConfig(SkBitmap::kARGB_8888_Config); 694 this->setVisibleP(true); 695 this->setClipToBounds(false); 696 697 SkGMRegistyToSampleRegistry(); 698 { 699 const SkViewRegister* reg = SkViewRegister::Head(); 700 while (reg) { 701 *fSamples.append() = reg->factory(); 702 reg = reg->next(); 703 } 704 } 705 fCurrIndex = 0; 706 if (argc > 1) { 707 fCurrIndex = findByTitle(argv[1]); 708 if (fCurrIndex < 0) { 709 fprintf(stderr, "Unknown sample \"%s\"\n", argv[1]); 710 } 711 } else { 712 SkString title; 713 if (readTitleFromPrefs(&title)) { 714 fCurrIndex = findByTitle(title.c_str()); 715 } 716 } 717 718 if (fCurrIndex < 0) { 719 fCurrIndex = 0; 720 } 721 this->loadView((*fSamples[fCurrIndex])()); 722 723 fPDFData = NULL; 724 725 if (NULL == devManager) { 726 fDevManager = new DefaultDeviceManager(); 727 } else { 728 devManager->ref(); 729 fDevManager = devManager; 730 } 731 fDevManager->init(this); 732 733 // If another constructor set our dimensions, ensure that our 734 // onSizeChange gets called. 735 if (this->height() && this->width()) { 736 this->onSizeChange(); 737 } 738 739 // can't call this synchronously, since it may require a subclass to 740 // to implement, or the caller may need us to have returned from the 741 // constructor first. Hence we post an event to ourselves. 742 // this->updateTitle(); 743 postEventToSink(new SkEvent(gUpdateWindowTitleEvtName), this); 744 } 745 746 SampleWindow::~SampleWindow() { 747 delete fPicture; 748 delete fPdfCanvas; 749 fTypeface->unref(); 750 751 SkSafeUnref(fDevManager); 752 } 753 754 int SampleWindow::findByTitle(const char title[]) { 755 int i, count = fSamples.count(); 756 for (i = 0; i < count; i++) { 757 if (getSampleTitle(i).equals(title)) { 758 return i; 759 } 760 } 761 return -1; 762 } 763 764 static SkBitmap capture_bitmap(SkCanvas* canvas) { 765 SkBitmap bm; 766 const SkBitmap& src = canvas->getDevice()->accessBitmap(false); 767 src.copyTo(&bm, src.config()); 768 return bm; 769 } 770 771 static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, 772 SkBitmap* diff) { 773 const SkBitmap& src = canvas->getDevice()->accessBitmap(false); 774 775 SkAutoLockPixels alp0(src); 776 SkAutoLockPixels alp1(orig); 777 for (int y = 0; y < src.height(); y++) { 778 const void* srcP = src.getAddr(0, y); 779 const void* origP = orig.getAddr(0, y); 780 size_t bytes = src.width() * src.bytesPerPixel(); 781 if (memcmp(srcP, origP, bytes)) { 782 SkDebugf("---------- difference on line %d\n", y); 783 return true; 784 } 785 } 786 return false; 787 } 788 789 static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint) 790 { 791 SkColor desiredColor = paint.getColor(); 792 paint.setColor(SK_ColorWHITE); 793 const char* c_str = string.c_str(); 794 size_t size = string.size(); 795 SkRect bounds; 796 paint.measureText(c_str, size, &bounds); 797 bounds.offset(left, top); 798 SkScalar inset = SkIntToScalar(-2); 799 bounds.inset(inset, inset); 800 canvas->drawRect(bounds, paint); 801 if (desiredColor != SK_ColorBLACK) { 802 paint.setColor(SK_ColorBLACK); 803 canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint); 804 } 805 paint.setColor(desiredColor); 806 canvas->drawText(c_str, size, left, top, paint); 807 } 808 809 #define XCLIP_N 8 810 #define YCLIP_N 8 811 812 void SampleWindow::draw(SkCanvas* canvas) { 813 if (!fDevManager->prepareCanvas(fDeviceType, canvas, this)) { 814 return; 815 } 816 // update the animation time 817 if (!gAnimTimePrev && !gAnimTime) { 818 // first time make delta be 0 819 gAnimTime = SkTime::GetMSecs(); 820 gAnimTimePrev = gAnimTime; 821 } else { 822 gAnimTimePrev = gAnimTime; 823 gAnimTime = SkTime::GetMSecs(); 824 } 825 826 const SkMatrix& localM = fGesture.localM(); 827 if (localM.getType() & SkMatrix::kScale_Mask) { 828 canvas->setExternalMatrix(&localM); 829 } 830 if (fGesture.isActive()) { 831 this->updateMatrix(); 832 } 833 834 if (fNClip) { 835 this->INHERITED::draw(canvas); 836 SkBitmap orig = capture_bitmap(canvas); 837 838 const SkScalar w = this->width(); 839 const SkScalar h = this->height(); 840 const SkScalar cw = w / XCLIP_N; 841 const SkScalar ch = h / YCLIP_N; 842 for (int y = 0; y < YCLIP_N; y++) { 843 SkRect r; 844 r.fTop = y * ch; 845 r.fBottom = (y + 1) * ch; 846 if (y == YCLIP_N - 1) { 847 r.fBottom = h; 848 } 849 for (int x = 0; x < XCLIP_N; x++) { 850 SkAutoCanvasRestore acr(canvas, true); 851 r.fLeft = x * cw; 852 r.fRight = (x + 1) * cw; 853 if (x == XCLIP_N - 1) { 854 r.fRight = w; 855 } 856 canvas->clipRect(r); 857 this->INHERITED::draw(canvas); 858 } 859 } 860 861 SkBitmap diff; 862 if (bitmap_diff(canvas, orig, &diff)) { 863 } 864 } else { 865 this->INHERITED::draw(canvas); 866 } 867 if (fShowZoomer && !fSaveToPdf) { 868 showZoomer(canvas); 869 } 870 if (fMagnify && !fSaveToPdf) { 871 magnify(canvas); 872 } 873 874 // do this last 875 fDevManager->publishCanvas(fDeviceType, canvas, this); 876 } 877 878 static float clipW = 200; 879 static float clipH = 200; 880 void SampleWindow::magnify(SkCanvas* canvas) { 881 SkRect r; 882 int count = canvas->save(); 883 884 SkMatrix m = canvas->getTotalMatrix(); 885 m.invert(&m); 886 SkPoint offset, center; 887 SkScalar mouseX = fMouseX * SK_Scalar1; 888 SkScalar mouseY = fMouseY * SK_Scalar1; 889 m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset); 890 m.mapXY(mouseX, mouseY, ¢er); 891 892 r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX()); 893 r.offset(offset.fX, offset.fY); 894 895 SkPaint paint; 896 paint.setColor(0xFF66AAEE); 897 paint.setStyle(SkPaint::kStroke_Style); 898 paint.setStrokeWidth(10.f * m.getScaleX()); 899 //lense offset 900 //canvas->translate(0, -250); 901 canvas->drawRect(r, paint); 902 canvas->clipRect(r); 903 904 m = canvas->getTotalMatrix(); 905 m.setTranslate(-center.fX, -center.fY); 906 m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale); 907 m.postTranslate(center.fX, center.fY); 908 canvas->concat(m); 909 910 this->INHERITED::draw(canvas); 911 912 canvas->restoreToCount(count); 913 } 914 915 void SampleWindow::showZoomer(SkCanvas* canvas) { 916 int count = canvas->save(); 917 canvas->resetMatrix(); 918 // Ensure the mouse position is on screen. 919 int width = SkScalarRound(this->width()); 920 int height = SkScalarRound(this->height()); 921 if (fMouseX >= width) fMouseX = width - 1; 922 else if (fMouseX < 0) fMouseX = 0; 923 if (fMouseY >= height) fMouseY = height - 1; 924 else if (fMouseY < 0) fMouseY = 0; 925 926 SkBitmap bitmap = capture_bitmap(canvas); 927 bitmap.lockPixels(); 928 929 // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle. 930 int zoomedWidth = (width >> 1) | 1; 931 int zoomedHeight = (height >> 1) | 1; 932 SkIRect src; 933 src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale); 934 src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1)); 935 SkRect dest; 936 dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight)); 937 dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight)); 938 SkPaint paint; 939 // Clear the background behind our zoomed in view 940 paint.setColor(SK_ColorWHITE); 941 canvas->drawRect(dest, paint); 942 canvas->drawBitmapRect(bitmap, &src, dest); 943 paint.setColor(SK_ColorBLACK); 944 paint.setStyle(SkPaint::kStroke_Style); 945 // Draw a border around the pixel in the middle 946 SkRect originalPixel; 947 originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1)); 948 SkMatrix matrix; 949 SkRect scalarSrc; 950 scalarSrc.set(src); 951 SkColor color = bitmap.getColor(fMouseX, fMouseY); 952 if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) { 953 SkRect pixel; 954 matrix.mapRect(&pixel, originalPixel); 955 // TODO Perhaps measure the values and make the outline white if it's "dark" 956 if (color == SK_ColorBLACK) { 957 paint.setColor(SK_ColorWHITE); 958 } 959 canvas->drawRect(pixel, paint); 960 } 961 paint.setColor(SK_ColorBLACK); 962 // Draw a border around the destination rectangle 963 canvas->drawRect(dest, paint); 964 paint.setStyle(SkPaint::kStrokeAndFill_Style); 965 // Identify the pixel and its color on screen 966 paint.setTypeface(fTypeface); 967 paint.setAntiAlias(true); 968 SkScalar lineHeight = paint.getFontMetrics(NULL); 969 SkString string; 970 string.appendf("(%i, %i)", fMouseX, fMouseY); 971 SkScalar left = dest.fLeft + SkIntToScalar(3); 972 SkScalar i = SK_Scalar1; 973 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 974 // Alpha 975 i += SK_Scalar1; 976 string.reset(); 977 string.appendf("A: %X", SkColorGetA(color)); 978 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 979 // Red 980 i += SK_Scalar1; 981 string.reset(); 982 string.appendf("R: %X", SkColorGetR(color)); 983 paint.setColor(SK_ColorRED); 984 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 985 // Green 986 i += SK_Scalar1; 987 string.reset(); 988 string.appendf("G: %X", SkColorGetG(color)); 989 paint.setColor(SK_ColorGREEN); 990 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 991 // Blue 992 i += SK_Scalar1; 993 string.reset(); 994 string.appendf("B: %X", SkColorGetB(color)); 995 paint.setColor(SK_ColorBLUE); 996 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 997 canvas->restoreToCount(count); 998 } 999 1000 void SampleWindow::onDraw(SkCanvas* canvas) { 1001 } 1002 1003 #include "SkColorPriv.h" 1004 1005 static void reverseRedAndBlue(const SkBitmap& bm) { 1006 SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); 1007 uint8_t* p = (uint8_t*)bm.getPixels(); 1008 uint8_t* stop = p + bm.getSize(); 1009 while (p < stop) { 1010 // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply 1011 unsigned scale = SkAlpha255To256(p[3]); 1012 unsigned r = p[2]; 1013 unsigned b = p[0]; 1014 p[0] = SkAlphaMul(r, scale); 1015 p[1] = SkAlphaMul(p[1], scale); 1016 p[2] = SkAlphaMul(b, scale); 1017 p += 4; 1018 } 1019 } 1020 1021 void SampleWindow::saveToPdf() 1022 { 1023 fSaveToPdf = true; 1024 this->inval(NULL); 1025 } 1026 1027 SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { 1028 if (fSaveToPdf) { 1029 const SkBitmap& bmp = canvas->getDevice()->accessBitmap(false); 1030 SkISize size = SkISize::Make(bmp.width(), bmp.height()); 1031 SkPDFDevice* pdfDevice = new SkPDFDevice(size, size, 1032 canvas->getTotalMatrix()); 1033 fPdfCanvas = new SkCanvas(pdfDevice); 1034 pdfDevice->unref(); 1035 canvas = fPdfCanvas; 1036 } else { 1037 switch (fDeviceType) { 1038 case kRaster_DeviceType: 1039 case kGPU_DeviceType: 1040 canvas = this->INHERITED::beforeChildren(canvas); 1041 break; 1042 case kPicture_DeviceType: 1043 fPicture = new SkPicture; 1044 canvas = fPicture->beginRecording(9999, 9999); 1045 break; 1046 case kNullGPU_DeviceType: 1047 break; 1048 } 1049 } 1050 1051 if (fUseClip) { 1052 canvas->drawColor(0xFFFF88FF); 1053 canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true); 1054 } 1055 1056 return canvas; 1057 } 1058 1059 static void paint_rgn(const SkBitmap& bm, const SkIRect& r, 1060 const SkRegion& rgn) { 1061 SkCanvas canvas(bm); 1062 SkRegion inval(rgn); 1063 1064 inval.translate(r.fLeft, r.fTop); 1065 canvas.clipRegion(inval); 1066 canvas.drawColor(0xFFFF8080); 1067 } 1068 #include "SkData.h" 1069 void SampleWindow::afterChildren(SkCanvas* orig) { 1070 if (fSaveToPdf) { 1071 fSaveToPdf = false; 1072 if (fShowZoomer) { 1073 showZoomer(fPdfCanvas); 1074 } 1075 SkString name; 1076 name.printf("%s.pdf", this->getTitle()); 1077 SkPDFDocument doc; 1078 SkPDFDevice* device = static_cast<SkPDFDevice*>(fPdfCanvas->getDevice()); 1079 doc.appendPage(device); 1080 #ifdef SK_BUILD_FOR_ANDROID 1081 name.prepend("/sdcard/"); 1082 #endif 1083 1084 #ifdef SK_BUILD_FOR_IOS 1085 SkDynamicMemoryWStream mstream; 1086 doc.emitPDF(&mstream); 1087 fPDFData = mstream.copyToData(); 1088 #endif 1089 SkFILEWStream stream(name.c_str()); 1090 if (stream.isValid()) { 1091 doc.emitPDF(&stream); 1092 const char* desc = "File saved from Skia SampleApp"; 1093 this->onPDFSaved(this->getTitle(), desc, name.c_str()); 1094 } 1095 1096 delete fPdfCanvas; 1097 fPdfCanvas = NULL; 1098 1099 // We took over the draw calls in order to create the PDF, so we need 1100 // to redraw. 1101 this->inval(NULL); 1102 return; 1103 } 1104 1105 if (fRequestGrabImage) { 1106 fRequestGrabImage = false; 1107 1108 SkDevice* device = orig->getDevice(); 1109 SkBitmap bmp; 1110 if (device->accessBitmap(false).copyTo(&bmp, SkBitmap::kARGB_8888_Config)) { 1111 static int gSampleGrabCounter; 1112 SkString name; 1113 name.printf("sample_grab_%d", gSampleGrabCounter++); 1114 SkImageEncoder::EncodeFile(name.c_str(), bmp, 1115 SkImageEncoder::kPNG_Type, 100); 1116 } 1117 } 1118 1119 if (kPicture_DeviceType == fDeviceType) { 1120 if (true) { 1121 SkPicture* pict = new SkPicture(*fPicture); 1122 fPicture->unref(); 1123 this->installDrawFilter(orig); 1124 orig->drawPicture(*pict); 1125 pict->unref(); 1126 } else if (true) { 1127 SkDynamicMemoryWStream ostream; 1128 fPicture->serialize(&ostream); 1129 fPicture->unref(); 1130 1131 SkAutoDataUnref data(ostream.copyToData()); 1132 SkMemoryStream istream(data.data(), data.size()); 1133 SkPicture pict(&istream); 1134 orig->drawPicture(pict); 1135 } else { 1136 fPicture->draw(orig); 1137 fPicture->unref(); 1138 } 1139 fPicture = NULL; 1140 } 1141 1142 // Do this after presentGL and other finishing, rather than in afterChild 1143 if (fMeasureFPS && fMeasureFPS_Time) { 1144 fMeasureFPS_Time = SkTime::GetMSecs() - fMeasureFPS_Time; 1145 this->updateTitle(); 1146 this->postInvalDelay(); 1147 } 1148 1149 // if ((fScrollTestX | fScrollTestY) != 0) 1150 if (false) { 1151 const SkBitmap& bm = orig->getDevice()->accessBitmap(true); 1152 int dx = fScrollTestX * 7; 1153 int dy = fScrollTestY * 7; 1154 SkIRect r; 1155 SkRegion inval; 1156 1157 r.set(50, 50, 50+100, 50+100); 1158 bm.scrollRect(&r, dx, dy, &inval); 1159 paint_rgn(bm, r, inval); 1160 } 1161 #ifdef DEBUGGER 1162 SkView* curr = curr_view(this); 1163 if (fDebugger && !is_debugger(curr) && !is_transition(curr) && !is_overview(curr)) { 1164 //Stop Pipe when fDebugger is active 1165 fUsePipe = false; 1166 (void)SampleView::SetUsePipe(curr, false); 1167 fAppMenu.getItemByID(fUsePipeMenuItemID)->setBool(fUsePipe); 1168 this->onUpdateMenu(&fAppMenu); 1169 1170 //Reset any transformations 1171 fGesture.stop(); 1172 fGesture.reset(); 1173 1174 this->loadView(create_debugger(gTempDataStore.begin(), 1175 gTempDataStore.count())); 1176 } 1177 #endif 1178 } 1179 1180 void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { 1181 if (fScale) { 1182 SkScalar scale = SK_Scalar1 * 7 / 10; 1183 SkScalar cx = this->width() / 2; 1184 SkScalar cy = this->height() / 2; 1185 canvas->translate(cx, cy); 1186 canvas->scale(scale, scale); 1187 canvas->translate(-cx, -cy); 1188 } 1189 if (fRotate) { 1190 SkScalar cx = this->width() / 2; 1191 SkScalar cy = this->height() / 2; 1192 canvas->translate(cx, cy); 1193 canvas->rotate(SkIntToScalar(30)); 1194 canvas->translate(-cx, -cy); 1195 } 1196 if (fPerspAnim) { 1197 fPerspAnimTime += SampleCode::GetAnimSecondsDelta(); 1198 1199 static const SkScalar gAnimPeriod = 10 * SK_Scalar1; 1200 static const SkScalar gAnimMag = SK_Scalar1 / 1000; 1201 SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod); 1202 if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) { 1203 t = gAnimPeriod - t; 1204 } 1205 t = 2 * t - gAnimPeriod; 1206 t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag); 1207 SkMatrix m; 1208 m.reset(); 1209 m.setPerspY(t); 1210 canvas->concat(m); 1211 } 1212 1213 this->installDrawFilter(canvas); 1214 1215 if (fMeasureFPS) { 1216 fMeasureFPS_Time = 0; // 0 means the child is not aware of repeat-draw 1217 if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { 1218 fMeasureFPS_Time = SkTime::GetMSecs(); 1219 } 1220 } else { 1221 (void)SampleView::SetRepeatDraw(child, 1); 1222 } 1223 if (fPerspAnim) { 1224 this->inval(NULL); 1225 } 1226 //(void)SampleView::SetUsePipe(child, fUsePipe); 1227 } 1228 1229 void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { 1230 canvas->setDrawFilter(NULL); 1231 } 1232 1233 static SkBitmap::Config gConfigCycle[] = { 1234 SkBitmap::kNo_Config, // none -> none 1235 SkBitmap::kNo_Config, // a1 -> none 1236 SkBitmap::kNo_Config, // a8 -> none 1237 SkBitmap::kNo_Config, // index8 -> none 1238 SkBitmap::kARGB_4444_Config, // 565 -> 4444 1239 SkBitmap::kARGB_8888_Config, // 4444 -> 8888 1240 SkBitmap::kRGB_565_Config // 8888 -> 565 1241 }; 1242 1243 static SkBitmap::Config cycle_configs(SkBitmap::Config c) { 1244 return gConfigCycle[c]; 1245 } 1246 1247 void SampleWindow::changeZoomLevel(float delta) { 1248 fZoomLevel += SkFloatToScalar(delta); 1249 if (fZoomLevel > 0) { 1250 fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL); 1251 fZoomScale = fZoomLevel + SK_Scalar1; 1252 } else if (fZoomLevel < 0) { 1253 fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL); 1254 fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel); 1255 } else { 1256 fZoomScale = SK_Scalar1; 1257 } 1258 this->updateMatrix(); 1259 } 1260 1261 void SampleWindow::updateMatrix(){ 1262 SkMatrix m; 1263 m.reset(); 1264 if (fZoomLevel) { 1265 SkPoint center; 1266 //m = this->getLocalMatrix();//.invert(&m); 1267 m.mapXY(fZoomCenterX, fZoomCenterY, ¢er); 1268 SkScalar cx = center.fX; 1269 SkScalar cy = center.fY; 1270 1271 m.setTranslate(-cx, -cy); 1272 m.postScale(fZoomScale, fZoomScale); 1273 m.postTranslate(cx, cy); 1274 } 1275 1276 if (fFlipAxis) { 1277 m.preTranslate(fZoomCenterX, fZoomCenterY); 1278 if (fFlipAxis & kFlipAxis_X) { 1279 m.preScale(-SK_Scalar1, SK_Scalar1); 1280 } 1281 if (fFlipAxis & kFlipAxis_Y) { 1282 m.preScale(SK_Scalar1, -SK_Scalar1); 1283 } 1284 m.preTranslate(-fZoomCenterX, -fZoomCenterY); 1285 //canvas->concat(m); 1286 } 1287 // Apply any gesture matrix 1288 m.preConcat(fGesture.localM()); 1289 m.preConcat(fGesture.globalM()); 1290 1291 this->setLocalMatrix(m); 1292 1293 this->updateTitle(); 1294 this->inval(NULL); 1295 } 1296 bool SampleWindow::previousSample() { 1297 fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count(); 1298 SkView* view = (*fSamples[fCurrIndex])(); 1299 this->loadView(view); 1300 // this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1301 // fTransitionPrev)); 1302 return true; 1303 } 1304 1305 bool SampleWindow::nextSample() { 1306 fCurrIndex = (fCurrIndex + 1) % fSamples.count(); 1307 SkView* view = (*fSamples[fCurrIndex])(); 1308 this->loadView(view); 1309 // this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1310 // fTransitionNext)); 1311 return true; 1312 } 1313 1314 bool SampleWindow::goToSample(int i) { 1315 fCurrIndex = (i) % fSamples.count(); 1316 SkView* view = (*fSamples[fCurrIndex])(); 1317 this->loadView(view); 1318 // this->loadView(create_transition(curr_view(this),(*fSamples[fCurrIndex])(), 6)); 1319 return true; 1320 } 1321 1322 SkString SampleWindow::getSampleTitle(int i) { 1323 SkView* view = (*fSamples[i])(); 1324 SkString title; 1325 SampleCode::RequestTitle(view, &title); 1326 view->unref(); 1327 return title; 1328 } 1329 1330 int SampleWindow::sampleCount() { 1331 return fSamples.count(); 1332 } 1333 1334 void SampleWindow::showOverview() { 1335 this->loadView(create_overview(fSamples.count(), fSamples.begin())); 1336 // this->loadView(create_transition(curr_view(this), 1337 // create_overview(fSamples.count(), fSamples.begin()), 1338 // 4)); 1339 } 1340 1341 void SampleWindow::installDrawFilter(SkCanvas* canvas) { 1342 canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState, 1343 fFilterState, fHintingState))->unref(); 1344 } 1345 1346 void SampleWindow::postAnimatingEvent() { 1347 if (fAnimating) { 1348 (new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY); 1349 } 1350 } 1351 1352 bool SampleWindow::onEvent(const SkEvent& evt) { 1353 if (evt.isType(gUpdateWindowTitleEvtName)) { 1354 this->updateTitle(); 1355 return true; 1356 } 1357 if (evt.isType(ANIMATING_EVENTTYPE)) { 1358 if (fAnimating) { 1359 this->nextSample(); 1360 this->postAnimatingEvent(); 1361 } 1362 return true; 1363 } 1364 if (evt.isType("replace-transition-view")) { 1365 this->loadView((SkView*)SkEventSink::FindSink(evt.getFast32())); 1366 return true; 1367 } 1368 if (evt.isType("set-curr-index")) { 1369 this->goToSample(evt.getFast32()); 1370 return true; 1371 } 1372 if (isInvalEvent(evt)) { 1373 this->inval(NULL); 1374 return true; 1375 } 1376 int selected = -1; 1377 if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) { 1378 this->setDeviceType((DeviceType)selected); 1379 return true; 1380 } 1381 if (SkOSMenu::FindSwitchState(evt, "Pipe", &fUsePipe)) { 1382 #ifdef PIPE_NET 1383 if (!fUsePipe) 1384 gServer.disconnectAll(); 1385 #endif 1386 (void)SampleView::SetUsePipe(curr_view(this), fUsePipe); 1387 this->updateTitle(); 1388 this->inval(NULL); 1389 return true; 1390 } 1391 if (SkOSMenu::FindSwitchState(evt, "Slide Show", NULL)) { 1392 this->toggleSlideshow(); 1393 return true; 1394 } 1395 if (SkOSMenu::FindTriState(evt, "AA", &fAAState) || 1396 SkOSMenu::FindTriState(evt, "LCD", &fLCDState) || 1397 SkOSMenu::FindTriState(evt, "Filter", &fFilterState) || 1398 SkOSMenu::FindTriState(evt, "Hinting", &fHintingState) || 1399 SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) || 1400 SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) || 1401 SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) || 1402 SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) || 1403 SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) { 1404 this->inval(NULL); 1405 this->updateTitle(); 1406 return true; 1407 } 1408 if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) { 1409 fFlipAxis ^= kFlipAxis_X; 1410 this->updateMatrix(); 1411 return true; 1412 } 1413 if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) { 1414 fFlipAxis ^= kFlipAxis_Y; 1415 this->updateMatrix(); 1416 return true; 1417 } 1418 if (SkOSMenu::FindAction(evt,"Save to PDF")) { 1419 this->saveToPdf(); 1420 return true; 1421 } 1422 #ifdef DEBUGGER 1423 if (SkOSMenu::FindSwitchState(evt, "Debugger", &fDebugger)) { 1424 if (fDebugger) { 1425 fUsePipe = true; 1426 (void)SampleView::SetUsePipe(curr_view(this), true); 1427 } else { 1428 this->loadView(fSamples[fCurrIndex]()); 1429 } 1430 this->inval(NULL); 1431 return true; 1432 } 1433 #endif 1434 return this->INHERITED::onEvent(evt); 1435 } 1436 1437 bool SampleWindow::onQuery(SkEvent* query) { 1438 if (query->isType("get-slide-count")) { 1439 query->setFast32(fSamples.count()); 1440 return true; 1441 } 1442 if (query->isType("get-slide-title")) { 1443 SkView* view = (*fSamples[query->getFast32()])(); 1444 SkEvent evt(gTitleEvtName); 1445 if (view->doQuery(&evt)) { 1446 query->setString("title", evt.findString(gTitleEvtName)); 1447 } 1448 SkSafeUnref(view); 1449 return true; 1450 } 1451 if (query->isType("use-fast-text")) { 1452 SkEvent evt(gFastTextEvtName); 1453 return curr_view(this)->doQuery(&evt); 1454 } 1455 if (query->isType("ignore-window-bitmap")) { 1456 query->setFast32(this->getGrContext() != NULL); 1457 return true; 1458 } 1459 return this->INHERITED::onQuery(query); 1460 } 1461 1462 static void cleanup_for_filename(SkString* name) { 1463 char* str = name->writable_str(); 1464 for (size_t i = 0; i < name->size(); i++) { 1465 switch (str[i]) { 1466 case ':': str[i] = '-'; break; 1467 case '/': str[i] = '-'; break; 1468 case ' ': str[i] = '_'; break; 1469 default: break; 1470 } 1471 } 1472 } 1473 1474 bool SampleWindow::onHandleChar(SkUnichar uni) { 1475 { 1476 SkView* view = curr_view(this); 1477 if (view) { 1478 SkEvent evt(gCharEvtName); 1479 evt.setFast32(uni); 1480 if (view->doQuery(&evt)) { 1481 return true; 1482 } 1483 } 1484 } 1485 1486 int dx = 0xFF; 1487 int dy = 0xFF; 1488 1489 switch (uni) { 1490 case '5': dx = 0; dy = 0; break; 1491 case '8': dx = 0; dy = -1; break; 1492 case '6': dx = 1; dy = 0; break; 1493 case '2': dx = 0; dy = 1; break; 1494 case '4': dx = -1; dy = 0; break; 1495 case '7': dx = -1; dy = -1; break; 1496 case '9': dx = 1; dy = -1; break; 1497 case '3': dx = 1; dy = 1; break; 1498 case '1': dx = -1; dy = 1; break; 1499 1500 default: 1501 break; 1502 } 1503 1504 if (0xFF != dx && 0xFF != dy) { 1505 if ((dx | dy) == 0) { 1506 fScrollTestX = fScrollTestY = 0; 1507 } else { 1508 fScrollTestX += dx; 1509 fScrollTestY += dy; 1510 } 1511 this->inval(NULL); 1512 return true; 1513 } 1514 1515 switch (uni) { 1516 case 'f': 1517 // only 1518 toggleFPS(); 1519 break; 1520 case 'g': 1521 fRequestGrabImage = true; 1522 this->inval(NULL); 1523 break; 1524 case 'i': 1525 this->zoomIn(); 1526 break; 1527 case 'o': 1528 this->zoomOut(); 1529 break; 1530 case 'r': 1531 fRotate = !fRotate; 1532 this->inval(NULL); 1533 this->updateTitle(); 1534 return true; 1535 case 'k': 1536 fPerspAnim = !fPerspAnim; 1537 this->inval(NULL); 1538 this->updateTitle(); 1539 return true; 1540 case '\\': 1541 if (fDevManager->supportsDeviceType(kNullGPU_DeviceType)) { 1542 fDeviceType= kNullGPU_DeviceType; 1543 this->inval(NULL); 1544 this->updateTitle(); 1545 } 1546 return true; 1547 case 'p': 1548 { 1549 GrContext* grContext = this->getGrContext(); 1550 if (grContext) { 1551 size_t cacheBytes = grContext->getGpuTextureCacheBytes(); 1552 grContext->freeGpuResources(); 1553 SkDebugf("Purged %d bytes from the GPU resource cache.\n", 1554 cacheBytes); 1555 } 1556 } 1557 return true; 1558 case 's': 1559 fScale = !fScale; 1560 this->inval(NULL); 1561 this->updateTitle(); 1562 return true; 1563 default: 1564 break; 1565 } 1566 1567 if (fAppMenu.handleKeyEquivalent(uni)|| fSlideMenu.handleKeyEquivalent(uni)) { 1568 this->onUpdateMenu(&fAppMenu); 1569 this->onUpdateMenu(&fSlideMenu); 1570 return true; 1571 } 1572 return this->INHERITED::onHandleChar(uni); 1573 } 1574 1575 void SampleWindow::setDeviceType(DeviceType type) { 1576 if (type != fDeviceType && fDevManager->supportsDeviceType(fDeviceType)) 1577 fDeviceType = type; 1578 this->updateTitle(); 1579 this->inval(NULL); 1580 } 1581 1582 void SampleWindow::toggleSlideshow() { 1583 fAnimating = !fAnimating; 1584 this->postAnimatingEvent(); 1585 this->updateTitle(); 1586 } 1587 1588 void SampleWindow::toggleRendering() { 1589 DeviceType origDevType = fDeviceType; 1590 do { 1591 fDeviceType = cycle_devicetype(fDeviceType); 1592 } while (origDevType != fDeviceType && 1593 !fDevManager->supportsDeviceType(fDeviceType)); 1594 this->updateTitle(); 1595 this->inval(NULL); 1596 } 1597 1598 void SampleWindow::toggleFPS() { 1599 fMeasureFPS = !fMeasureFPS; 1600 this->updateTitle(); 1601 this->inval(NULL); 1602 } 1603 1604 #include "SkDumpCanvas.h" 1605 1606 bool SampleWindow::onHandleKey(SkKey key) { 1607 { 1608 SkView* view = curr_view(this); 1609 if (view) { 1610 SkEvent evt(gKeyEvtName); 1611 evt.setFast32(key); 1612 if (view->doQuery(&evt)) { 1613 return true; 1614 } 1615 } 1616 } 1617 switch (key) { 1618 case kRight_SkKey: 1619 if (this->nextSample()) { 1620 return true; 1621 } 1622 break; 1623 case kLeft_SkKey: 1624 toggleRendering(); 1625 return true; 1626 case kUp_SkKey: 1627 if (USE_ARROWS_FOR_ZOOM) { 1628 this->changeZoomLevel(1.f); 1629 } else { 1630 fNClip = !fNClip; 1631 this->inval(NULL); 1632 this->updateTitle(); 1633 } 1634 return true; 1635 case kDown_SkKey: 1636 if (USE_ARROWS_FOR_ZOOM) { 1637 this->changeZoomLevel(-1.f); 1638 } else { 1639 this->setConfig(cycle_configs(this->getBitmap().config())); 1640 this->updateTitle(); 1641 } 1642 return true; 1643 case kOK_SkKey: { 1644 SkString title; 1645 if (curr_title(this, &title)) { 1646 writeTitleToPrefs(title.c_str()); 1647 } 1648 return true; 1649 } 1650 case kBack_SkKey: 1651 this->showOverview(); 1652 return true; 1653 default: 1654 break; 1655 } 1656 return this->INHERITED::onHandleKey(key); 1657 } 1658 1659 /////////////////////////////////////////////////////////////////////////////// 1660 1661 static const char gGestureClickType[] = "GestureClickType"; 1662 1663 bool SampleWindow::onDispatchClick(int x, int y, Click::State state, 1664 void* owner) { 1665 if (Click::kMoved_State == state) { 1666 updatePointer(x, y); 1667 } 1668 int w = SkScalarRound(this->width()); 1669 int h = SkScalarRound(this->height()); 1670 1671 // check for the resize-box 1672 if (w - x < 16 && h - y < 16) { 1673 return false; // let the OS handle the click 1674 } 1675 else if (fMagnify) { 1676 //it's only necessary to update the drawing if there's a click 1677 this->inval(NULL); 1678 return false; //prevent dragging while magnify is enabled 1679 } 1680 else { 1681 return this->INHERITED::onDispatchClick(x, y, state, owner); 1682 } 1683 } 1684 1685 class GestureClick : public SkView::Click { 1686 public: 1687 GestureClick(SkView* target) : SkView::Click(target) { 1688 this->setType(gGestureClickType); 1689 } 1690 1691 static bool IsGesture(Click* click) { 1692 return click->isType(gGestureClickType); 1693 } 1694 }; 1695 1696 SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y) { 1697 return new GestureClick(this); 1698 } 1699 1700 bool SampleWindow::onClick(Click* click) { 1701 if (GestureClick::IsGesture(click)) { 1702 float x = static_cast<float>(click->fICurr.fX); 1703 float y = static_cast<float>(click->fICurr.fY); 1704 1705 switch (click->fState) { 1706 case SkView::Click::kDown_State: 1707 fGesture.touchBegin(click->fOwner, x, y); 1708 break; 1709 case SkView::Click::kMoved_State: 1710 fGesture.touchMoved(click->fOwner, x, y); 1711 this->updateMatrix(); 1712 break; 1713 case SkView::Click::kUp_State: 1714 fGesture.touchEnd(click->fOwner); 1715 this->updateMatrix(); 1716 break; 1717 } 1718 return true; 1719 } 1720 return false; 1721 } 1722 1723 /////////////////////////////////////////////////////////////////////////////// 1724 1725 void SampleWindow::loadView(SkView* view) { 1726 SkView::F2BIter iter(this); 1727 SkView* prev = iter.next(); 1728 if (prev) { 1729 prev->detachFromParent(); 1730 } 1731 1732 view->setVisibleP(true); 1733 view->setClipToBounds(false); 1734 this->attachChildToFront(view)->unref(); 1735 view->setSize(this->width(), this->height()); 1736 1737 //repopulate the slide menu when a view is loaded 1738 fSlideMenu.reset(); 1739 #ifdef DEBUGGER 1740 if (!is_debugger(view) && !is_overview(view) && !is_transition(view) && fDebugger) { 1741 //Force Pipe to be on if using debugger 1742 fUsePipe = true; 1743 } 1744 #endif 1745 (void)SampleView::SetUsePipe(view, fUsePipe); 1746 if (SampleView::IsSampleView(view)) 1747 ((SampleView*)view)->requestMenu(&fSlideMenu); 1748 this->onUpdateMenu(&fSlideMenu); 1749 this->updateTitle(); 1750 } 1751 1752 static const char* gConfigNames[] = { 1753 "unknown config", 1754 "A1", 1755 "A8", 1756 "Index8", 1757 "565", 1758 "4444", 1759 "8888" 1760 }; 1761 1762 static const char* configToString(SkBitmap::Config c) { 1763 return gConfigNames[c]; 1764 } 1765 1766 static const char* gDeviceTypePrefix[] = { 1767 "raster: ", 1768 "picture: ", 1769 "opengl: ", 1770 "null-gl: " 1771 }; 1772 1773 static const char* trystate_str(SkOSMenu::TriState state, 1774 const char trueStr[], const char falseStr[]) { 1775 if (SkOSMenu::kOnState == state) { 1776 return trueStr; 1777 } else if (SkOSMenu::kOffState == state) { 1778 return falseStr; 1779 } 1780 return NULL; 1781 } 1782 1783 void SampleWindow::updateTitle() { 1784 SkView* view = curr_view(this); 1785 1786 SkString title; 1787 if (!curr_title(this, &title)) { 1788 title.set("<unknown>"); 1789 } 1790 1791 title.prepend(gDeviceTypePrefix[fDeviceType]); 1792 1793 title.prepend(" "); 1794 title.prepend(configToString(this->getBitmap().config())); 1795 1796 if (fAnimating) { 1797 title.prepend("<A> "); 1798 } 1799 if (fScale) { 1800 title.prepend("<S> "); 1801 } 1802 if (fRotate) { 1803 title.prepend("<R> "); 1804 } 1805 if (fNClip) { 1806 title.prepend("<C> "); 1807 } 1808 if (fPerspAnim) { 1809 title.prepend("<K> "); 1810 } 1811 1812 title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); 1813 title.prepend(trystate_str(fAAState, "AA ", "aa ")); 1814 title.prepend(trystate_str(fFilterState, "H ", "h ")); 1815 title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); 1816 title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); 1817 1818 if (fZoomLevel) { 1819 title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel)); 1820 } 1821 1822 if (fMeasureFPS) { 1823 title.appendf(" %6.1f ms", fMeasureFPS_Time / (float)FPS_REPEAT_MULTIPLIER); 1824 } 1825 if (fUsePipe && SampleView::IsSampleView(view)) { 1826 title.prepend("<P> "); 1827 } 1828 if (SampleView::IsSampleView(view)) { 1829 title.prepend("! "); 1830 } 1831 1832 this->setTitle(title.c_str()); 1833 } 1834 1835 void SampleWindow::onSizeChange() { 1836 this->INHERITED::onSizeChange(); 1837 1838 SkView::F2BIter iter(this); 1839 SkView* view = iter.next(); 1840 view->setSize(this->width(), this->height()); 1841 1842 // rebuild our clippath 1843 { 1844 const SkScalar W = this->width(); 1845 const SkScalar H = this->height(); 1846 1847 fClipPath.reset(); 1848 #if 0 1849 for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { 1850 SkRect r; 1851 r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); 1852 for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) 1853 fClipPath.addRect(r); 1854 } 1855 #else 1856 SkRect r; 1857 r.set(0, 0, W, H); 1858 fClipPath.addRect(r, SkPath::kCCW_Direction); 1859 r.set(W/4, H/4, W*3/4, H*3/4); 1860 fClipPath.addRect(r, SkPath::kCW_Direction); 1861 #endif 1862 } 1863 1864 fZoomCenterX = SkScalarHalf(this->width()); 1865 fZoomCenterY = SkScalarHalf(this->height()); 1866 1867 #ifdef SK_BUILD_FOR_ANDROID 1868 // FIXME: The first draw after a size change does not work on Android, so 1869 // we post an invalidate. 1870 this->postInvalDelay(); 1871 #endif 1872 this->updateTitle(); // to refresh our config 1873 fDevManager->windowSizeChanged(this); 1874 } 1875 1876 /////////////////////////////////////////////////////////////////////////////// 1877 1878 static const char is_sample_view_tag[] = "sample-is-sample-view"; 1879 static const char repeat_count_tag[] = "sample-set-repeat-count"; 1880 static const char set_use_pipe_tag[] = "sample-set-use-pipe"; 1881 1882 bool SampleView::IsSampleView(SkView* view) { 1883 SkEvent evt(is_sample_view_tag); 1884 return view->doQuery(&evt); 1885 } 1886 1887 bool SampleView::SetRepeatDraw(SkView* view, int count) { 1888 SkEvent evt(repeat_count_tag); 1889 evt.setFast32(count); 1890 return view->doEvent(evt); 1891 } 1892 1893 bool SampleView::SetUsePipe(SkView* view, bool pred) { 1894 SkEvent evt(set_use_pipe_tag); 1895 evt.setFast32(pred); 1896 return view->doEvent(evt); 1897 } 1898 1899 bool SampleView::onEvent(const SkEvent& evt) { 1900 if (evt.isType(repeat_count_tag)) { 1901 fRepeatCount = evt.getFast32(); 1902 return true; 1903 } 1904 if (evt.isType(set_use_pipe_tag)) { 1905 fUsePipe = !!evt.getFast32(); 1906 return true; 1907 } 1908 return this->INHERITED::onEvent(evt); 1909 } 1910 1911 bool SampleView::onQuery(SkEvent* evt) { 1912 if (evt->isType(is_sample_view_tag)) { 1913 return true; 1914 } 1915 return this->INHERITED::onQuery(evt); 1916 } 1917 1918 #ifdef TEST_GPIPE 1919 #include "SkGPipe.h" 1920 1921 class SimplePC : public SkGPipeController { 1922 public: 1923 SimplePC(SkCanvas* target); 1924 ~SimplePC(); 1925 1926 /** 1927 * User this method to halt/restart pipe 1928 */ 1929 void setWriteToPipe(bool writeToPipe) { fWriteToPipe = writeToPipe; } 1930 virtual void* requestBlock(size_t minRequest, size_t* actual); 1931 virtual void notifyWritten(size_t bytes); 1932 1933 private: 1934 SkGPipeReader fReader; 1935 void* fBlock; 1936 size_t fBlockSize; 1937 size_t fBytesWritten; 1938 int fAtomsWritten; 1939 SkGPipeReader::Status fStatus; 1940 bool fWriteToPipe; 1941 1942 size_t fTotalWritten; 1943 }; 1944 1945 SimplePC::SimplePC(SkCanvas* target) : fReader(target) { 1946 fBlock = NULL; 1947 fBlockSize = fBytesWritten = 0; 1948 fStatus = SkGPipeReader::kDone_Status; 1949 fTotalWritten = 0; 1950 fAtomsWritten = 0; 1951 fWriteToPipe = true; 1952 } 1953 1954 SimplePC::~SimplePC() { 1955 // SkASSERT(SkGPipeReader::kDone_Status == fStatus); 1956 if (fTotalWritten) { 1957 if (fWriteToPipe) { 1958 SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten, 1959 fAtomsWritten, fStatus); 1960 #ifdef PIPE_FILE 1961 //File is open in append mode 1962 FILE* f = fopen(FILE_PATH, "ab"); 1963 SkASSERT(f != NULL); 1964 fwrite((const char*)fBlock + fBytesWritten, 1, bytes, f); 1965 fclose(f); 1966 #endif 1967 #ifdef PIPE_NET 1968 if (fAtomsWritten > 1 && fTotalWritten > 4) { //ignore done 1969 gServer.acceptConnections(); 1970 gServer.writePacket(fBlock, fTotalWritten); 1971 } 1972 #endif 1973 #ifdef DEBUGGER 1974 gTempDataStore.reset(); 1975 gTempDataStore.append(fTotalWritten, (const char*)fBlock); 1976 #endif 1977 } 1978 } 1979 sk_free(fBlock); 1980 } 1981 1982 void* SimplePC::requestBlock(size_t minRequest, size_t* actual) { 1983 sk_free(fBlock); 1984 1985 fBlockSize = minRequest * 4; 1986 fBlock = sk_malloc_throw(fBlockSize); 1987 fBytesWritten = 0; 1988 *actual = fBlockSize; 1989 return fBlock; 1990 } 1991 1992 void SimplePC::notifyWritten(size_t bytes) { 1993 SkASSERT(fBytesWritten + bytes <= fBlockSize); 1994 fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); 1995 SkASSERT(SkGPipeReader::kError_Status != fStatus); 1996 fBytesWritten += bytes; 1997 fTotalWritten += bytes; 1998 1999 fAtomsWritten += 1; 2000 } 2001 2002 #endif 2003 2004 void SampleView::draw(SkCanvas* canvas) { 2005 #ifdef TEST_GPIPE 2006 if (fUsePipe) { 2007 SkGPipeWriter writer; 2008 SimplePC controller(canvas); 2009 uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; 2010 canvas = writer.startRecording(&controller, flags); 2011 //Must draw before controller goes out of scope and sends data 2012 this->INHERITED::draw(canvas); 2013 //explicitly end recording to ensure writer is flushed before the memory 2014 //is freed in the deconstructor of the controller 2015 writer.endRecording(); 2016 controller.setWriteToPipe(fUsePipe); 2017 } 2018 else 2019 this->INHERITED::draw(canvas); 2020 #else 2021 this->INHERITED::draw(canvas); 2022 #endif 2023 } 2024 void SampleView::onDraw(SkCanvas* canvas) { 2025 this->onDrawBackground(canvas); 2026 2027 for (int i = 0; i < fRepeatCount; i++) { 2028 SkAutoCanvasRestore acr(canvas, true); 2029 this->onDrawContent(canvas); 2030 } 2031 } 2032 2033 void SampleView::onDrawBackground(SkCanvas* canvas) { 2034 canvas->drawColor(fBGColor); 2035 } 2036 2037 /////////////////////////////////////////////////////////////////////////////// 2038 2039 template <typename T> void SkTBSort(T array[], int count) { 2040 for (int i = 1; i < count - 1; i++) { 2041 bool didSwap = false; 2042 for (int j = count - 1; j > i; --j) { 2043 if (array[j] < array[j-1]) { 2044 T tmp(array[j-1]); 2045 array[j-1] = array[j]; 2046 array[j] = tmp; 2047 didSwap = true; 2048 } 2049 } 2050 if (!didSwap) { 2051 break; 2052 } 2053 } 2054 2055 for (int k = 0; k < count - 1; k++) { 2056 SkASSERT(!(array[k+1] < array[k])); 2057 } 2058 } 2059 2060 #include "SkRandom.h" 2061 2062 static void rand_rect(SkIRect* rect, SkRandom& rand) { 2063 int bits = 8; 2064 int shift = 32 - bits; 2065 rect->set(rand.nextU() >> shift, rand.nextU() >> shift, 2066 rand.nextU() >> shift, rand.nextU() >> shift); 2067 rect->sort(); 2068 } 2069 2070 static void dumpRect(const SkIRect& r) { 2071 SkDebugf(" { %d, %d, %d, %d },\n", 2072 r.fLeft, r.fTop, 2073 r.fRight, r.fBottom); 2074 } 2075 2076 static void test_rects(const SkIRect rect[], int count) { 2077 SkRegion rgn0, rgn1; 2078 2079 for (int i = 0; i < count; i++) { 2080 rgn0.op(rect[i], SkRegion::kUnion_Op); 2081 // dumpRect(rect[i]); 2082 } 2083 rgn1.setRects(rect, count); 2084 2085 if (rgn0 != rgn1) { 2086 SkDebugf("\n"); 2087 for (int i = 0; i < count; i++) { 2088 dumpRect(rect[i]); 2089 } 2090 SkDebugf("\n"); 2091 } 2092 } 2093 2094 static void test() { 2095 size_t i; 2096 2097 const SkIRect r0[] = { 2098 { 0, 0, 1, 1 }, 2099 { 2, 2, 3, 3 }, 2100 }; 2101 const SkIRect r1[] = { 2102 { 0, 0, 1, 3 }, 2103 { 1, 1, 2, 2 }, 2104 { 2, 0, 3, 3 }, 2105 }; 2106 const SkIRect r2[] = { 2107 { 0, 0, 1, 2 }, 2108 { 2, 1, 3, 3 }, 2109 { 4, 0, 5, 1 }, 2110 { 6, 0, 7, 4 }, 2111 }; 2112 2113 static const struct { 2114 const SkIRect* fRects; 2115 int fCount; 2116 } gRecs[] = { 2117 { r0, SK_ARRAY_COUNT(r0) }, 2118 { r1, SK_ARRAY_COUNT(r1) }, 2119 { r2, SK_ARRAY_COUNT(r2) }, 2120 }; 2121 2122 for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { 2123 test_rects(gRecs[i].fRects, gRecs[i].fCount); 2124 } 2125 2126 SkRandom rand; 2127 for (i = 0; i < 10000; i++) { 2128 SkRegion rgn0, rgn1; 2129 2130 const int N = 8; 2131 SkIRect rect[N]; 2132 for (int j = 0; j < N; j++) { 2133 rand_rect(&rect[j], rand); 2134 } 2135 test_rects(rect, N); 2136 } 2137 } 2138 2139 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { 2140 // test(); 2141 return new SampleWindow(hwnd, argc, argv, NULL); 2142 } 2143 2144 void get_preferred_size(int* x, int* y, int* width, int* height) { 2145 *x = 10; 2146 *y = 50; 2147 *width = 640; 2148 *height = 480; 2149 } 2150 2151 void application_init() { 2152 // setenv("ANDROID_ROOT", "../../../data", 0); 2153 #ifdef SK_BUILD_FOR_MAC 2154 setenv("ANDROID_ROOT", "/android/device/data", 0); 2155 #endif 2156 SkGraphics::Init(); 2157 SkEvent::Init(); 2158 } 2159 2160 void application_term() { 2161 SkEvent::Term(); 2162 SkGraphics::Term(); 2163 } 2164
