SampleApp.cpp revision 1830c7aa3c4045af438fb24ee0bd22598f1bfca7
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 "gl/GrGLUtil.h" 27#include "GrRenderTarget.h" 28 29#include "SkOSFile.h" 30#include "SkPDFDevice.h" 31#include "SkPDFDocument.h" 32#include "SkStream.h" 33 34extern SampleView* CreateSamplePictFileView(const char filename[]); 35 36class PictFileFactory : public SkViewFactory { 37 SkString fFilename; 38public: 39 PictFileFactory(const SkString& filename) : fFilename(filename) {} 40 virtual SkView* operator() () const SK_OVERRIDE { 41 return CreateSamplePictFileView(fFilename.c_str()); 42 } 43}; 44 45#define TEST_GPIPE 46 47#ifdef TEST_GPIPE 48#define PIPE_FILEx 49#ifdef PIPE_FILE 50#define FILE_PATH "/path/to/drawing.data" 51#endif 52 53#define PIPE_NETx 54#ifdef PIPE_NET 55#include "SkSockets.h" 56SkTCPServer gServer; 57#endif 58 59#define DEBUGGERx 60#ifdef DEBUGGER 61extern SkView* create_debugger(const char* data, size_t size); 62extern bool is_debugger(SkView* view); 63SkTDArray<char> gTempDataStore; 64#endif 65 66#endif 67 68#define USE_ARROWS_FOR_ZOOM true 69 70#if SK_ANGLE 71//#define DEFAULT_TO_ANGLE 1 72#else 73//#define DEFAULT_TO_GPU 1 74#endif 75 76extern SkView* create_overview(int, const SkViewFactory*[]); 77extern bool is_overview(SkView* view); 78extern SkView* create_transition(SkView*, SkView*, int); 79extern bool is_transition(SkView* view); 80 81 82#define ANIMATING_EVENTTYPE "nextSample" 83#define ANIMATING_DELAY 750 84 85#ifdef SK_DEBUG 86 #define FPS_REPEAT_MULTIPLIER 1 87#else 88 #define FPS_REPEAT_MULTIPLIER 10 89#endif 90#define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER) 91 92static SampleWindow* gSampleWindow; 93 94static void postEventToSink(SkEvent* evt, SkEventSink* sink) { 95 evt->setTargetID(sink->getSinkID())->post(); 96} 97 98/////////////////////////////////////////////////////////////////////////////// 99 100static const char* skip_until(const char* str, const char* skip) { 101 if (!str) { 102 return NULL; 103 } 104 return strstr(str, skip); 105} 106 107static const char* skip_past(const char* str, const char* skip) { 108 const char* found = skip_until(str, skip); 109 if (!found) { 110 return NULL; 111 } 112 return found + strlen(skip); 113} 114 115static const char* gPrefFileName = "sampleapp_prefs.txt"; 116 117static bool readTitleFromPrefs(SkString* title) { 118 SkFILEStream stream(gPrefFileName); 119 if (!stream.isValid()) { 120 return false; 121 } 122 123 int len = stream.getLength(); 124 SkString data(len); 125 stream.read(data.writable_str(), len); 126 const char* s = data.c_str(); 127 128 s = skip_past(s, "curr-slide-title"); 129 s = skip_past(s, "="); 130 s = skip_past(s, "\""); 131 const char* stop = skip_until(s, "\""); 132 if (stop > s) { 133 title->set(s, stop - s); 134 return true; 135 } 136 return false; 137} 138 139static void writeTitleToPrefs(const char* title) { 140 SkFILEWStream stream(gPrefFileName); 141 SkString data; 142 data.printf("curr-slide-title = \"%s\"\n", title); 143 stream.write(data.c_str(), data.size()); 144} 145 146/////////////////////////////////////////////////////////////////////////////// 147 148class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager { 149public: 150 151 DefaultDeviceManager() 152 : fCurContext(NULL) 153 , fCurIntf(NULL) 154 , fCurRenderTarget(NULL) 155 , fBackend(kNone_BackEndType) 156 , fMSAASampleCount(0) { 157 } 158 159 virtual ~DefaultDeviceManager() { 160 SkSafeUnref(fCurContext); 161 SkSafeUnref(fCurIntf); 162 SkSafeUnref(fCurRenderTarget); 163 } 164 165 virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) { 166 SkASSERT(kNone_BackEndType == fBackend); 167 168 fBackend = kNone_BackEndType; 169 170 switch (win->getDeviceType()) { 171 case kRaster_DeviceType: 172 // fallthrough 173 case kPicture_DeviceType: 174 // fallthrough 175 case kGPU_DeviceType: 176 // fallthrough 177 case kNullGPU_DeviceType: 178 // all these guys use the native backend 179 fBackend = kNativeGL_BackEndType; 180 break; 181#if SK_ANGLE 182 case kANGLE_DeviceType: 183 // ANGLE is really the only odd man out 184 fBackend = kANGLE_BackEndType; 185 break; 186#endif 187 default: 188 SkASSERT(false); 189 break; 190 } 191 192 bool result = win->attach(fBackend, msaaSampleCount); 193 if (!result) { 194 SkDebugf("Failed to initialize GL"); 195 return; 196 } 197 fMSAASampleCount = msaaSampleCount; 198 199 SkASSERT(NULL == fCurIntf); 200 switch (win->getDeviceType()) { 201 case kRaster_DeviceType: 202 // fallthrough 203 case kPicture_DeviceType: 204 // fallthrough 205 case kGPU_DeviceType: 206 // all these guys use the native interface 207 fCurIntf = GrGLCreateNativeInterface(); 208 break; 209#if SK_ANGLE 210 case kANGLE_DeviceType: 211 fCurIntf = GrGLCreateANGLEInterface(); 212 break; 213#endif 214 case kNullGPU_DeviceType: 215 fCurIntf = GrGLCreateNullInterface(); 216 break; 217 default: 218 SkASSERT(false); 219 break; 220 } 221 222 SkASSERT(NULL == fCurContext); 223 fCurContext = GrContext::Create(kOpenGL_Shaders_GrEngine, 224 (GrPlatform3DContext) fCurIntf); 225 226 if (NULL == fCurContext || NULL == fCurIntf) { 227 // We need some context and interface to see results 228 SkSafeUnref(fCurContext); 229 SkSafeUnref(fCurIntf); 230 SkDebugf("Failed to setup 3D"); 231 232 win->detach(); 233 } 234 235 // call windowSizeChanged to create the render target 236 windowSizeChanged(win); 237 } 238 239 virtual void tearDownBackend(SampleWindow *win) { 240 241 SkSafeUnref(fCurContext); 242 fCurContext = NULL; 243 244 SkSafeUnref(fCurIntf); 245 fCurIntf = NULL; 246 247 SkSafeUnref(fCurRenderTarget); 248 fCurRenderTarget = NULL; 249 250 win->detach(); 251 fBackend = kNone_BackEndType; 252 } 253 254 virtual bool prepareCanvas(SampleWindow::DeviceType dType, 255 SkCanvas* canvas, 256 SampleWindow* win) { 257 switch (dType) { 258 case kRaster_DeviceType: 259 // fallthrough 260 case kPicture_DeviceType: 261 // fallthrough 262#if SK_ANGLE 263 case kANGLE_DeviceType: 264#endif 265 break; 266 case kGPU_DeviceType: 267 case kNullGPU_DeviceType: 268 if (fCurContext) { 269 canvas->setDevice(new SkGpuDevice(fCurContext, 270 fCurRenderTarget))->unref(); 271 } else { 272 return false; 273 } 274 break; 275 default: 276 SkASSERT(false); 277 return false; 278 } 279 return true; 280 } 281 282 virtual void publishCanvas(SampleWindow::DeviceType dType, 283 SkCanvas* canvas, 284 SampleWindow* win) { 285 if (fCurContext) { 286 // in case we have queued drawing calls 287 fCurContext->flush(); 288 289 if (kGPU_DeviceType != dType && kNullGPU_DeviceType != dType) { 290 // need to send the raster bits to the (gpu) window 291 fCurContext->setRenderTarget(fCurRenderTarget); 292 const SkBitmap& bm = win->getBitmap(); 293 fCurRenderTarget->writePixels(0, 0, bm.width(), bm.height(), 294 kSkia8888_PM_GrPixelConfig, 295 bm.getPixels(), 296 bm.rowBytes()); 297 } 298 } 299 300 win->present(); 301 } 302 303 virtual void windowSizeChanged(SampleWindow* win) { 304 305 if (fCurContext) { 306 win->attach(fBackend, fMSAASampleCount); 307 308 GrPlatformRenderTargetDesc desc; 309 desc.fWidth = SkScalarRound(win->width()); 310 desc.fHeight = SkScalarRound(win->height()); 311 desc.fConfig = kSkia8888_PM_GrPixelConfig; 312 GR_GL_GetIntegerv(fCurIntf, GR_GL_SAMPLES, &desc.fSampleCnt); 313 GR_GL_GetIntegerv(fCurIntf, GR_GL_STENCIL_BITS, &desc.fStencilBits); 314 GrGLint buffer; 315 GR_GL_GetIntegerv(fCurIntf, GR_GL_FRAMEBUFFER_BINDING, &buffer); 316 desc.fRenderTargetHandle = buffer; 317 318 SkSafeUnref(fCurRenderTarget); 319 fCurRenderTarget = fCurContext->createPlatformRenderTarget(desc); 320 } 321 } 322 323 virtual GrContext* getGrContext() { 324 return fCurContext; 325 } 326 327 virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE { 328 return fCurRenderTarget; 329 } 330 331private: 332 GrContext* fCurContext; 333 const GrGLInterface* fCurIntf; 334 GrRenderTarget* fCurRenderTarget; 335 336 SkOSWindow::SkBackEndTypes fBackend; 337 int fMSAASampleCount; 338 339 typedef SampleWindow::DeviceManager INHERITED; 340}; 341 342/////////////// 343static const char view_inval_msg[] = "view-inval-msg"; 344 345void SampleWindow::postInvalDelay() { 346 (new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1); 347} 348 349static bool isInvalEvent(const SkEvent& evt) { 350 return evt.isType(view_inval_msg); 351} 352////////////////// 353 354SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func) 355 : fCreateFunc(func) { 356} 357 358SkView* SkFuncViewFactory::operator() () const { 359 return (*fCreateFunc)(); 360} 361 362#include "GMSampleView.h" 363 364SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func) 365 : fFunc(func) { 366} 367 368SkView* SkGMSampleViewFactory::operator() () const { 369 return new GMSampleView(fFunc(NULL)); 370} 371 372SkViewRegister* SkViewRegister::gHead; 373SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) { 374 fFact->ref(); 375 fChain = gHead; 376 gHead = this; 377} 378 379SkViewRegister::SkViewRegister(SkViewCreateFunc func) { 380 fFact = new SkFuncViewFactory(func); 381 fChain = gHead; 382 gHead = this; 383} 384 385SkViewRegister::SkViewRegister(GMFactoryFunc func) { 386 fFact = new SkGMSampleViewFactory(func); 387 fChain = gHead; 388 gHead = this; 389} 390 391class AutoUnrefArray { 392public: 393 AutoUnrefArray() {} 394 ~AutoUnrefArray() { 395 int count = fObjs.count(); 396 for (int i = 0; i < count; ++i) { 397 fObjs[i]->unref(); 398 } 399 } 400 SkRefCnt*& push_back() { return *fObjs.append(); } 401 402private: 403 SkTDArray<SkRefCnt*> fObjs; 404}; 405 406// registers GMs as Samples 407// This can't be performed during static initialization because it could be 408// run before GMRegistry has been fully built. 409void SkGMRegistyToSampleRegistry() { 410 static bool gOnce; 411 static AutoUnrefArray fRegisters; 412 413 if (!gOnce) { 414 const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head(); 415 while (gmreg) { 416 fRegisters.push_back() = new SkViewRegister(gmreg->factory()); 417 gmreg = gmreg->next(); 418 } 419 gOnce = true; 420 } 421} 422 423#if 0 424#include <CoreFoundation/CoreFoundation.h> 425#include <CoreFoundation/CFURLAccess.h> 426 427static void testpdf() { 428 CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf", 429 kCFStringEncodingUTF8); 430 CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path, 431 kCFURLPOSIXPathStyle, 432 false); 433 CFRelease(path); 434 CGRect box = CGRectMake(0, 0, 8*72, 10*72); 435 CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL); 436 CFRelease(url); 437 438 CGContextBeginPage(cg, &box); 439 CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5); 440 CGContextFillEllipseInRect(cg, r); 441 CGContextEndPage(cg); 442 CGContextRelease(cg); 443 444 if (false) { 445 SkBitmap bm; 446 bm.setConfig(SkBitmap::kA8_Config, 64, 64); 447 bm.allocPixels(); 448 bm.eraseColor(0); 449 450 SkCanvas canvas(bm); 451 452 } 453} 454#endif 455 456////////////////////////////////////////////////////////////////////////////// 457 458enum FlipAxisEnum { 459 kFlipAxis_X = (1 << 0), 460 kFlipAxis_Y = (1 << 1) 461}; 462 463#include "SkDrawFilter.h" 464 465class FlagsDrawFilter : public SkDrawFilter { 466public: 467 FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, SkOSMenu::TriState filter, 468 SkOSMenu::TriState hinting) : 469 fLCDState(lcd), fAAState(aa), fFilterState(filter), fHintingState(hinting) {} 470 471 virtual void filter(SkPaint* paint, Type t) { 472 if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) { 473 paint->setLCDRenderText(SkOSMenu::kOnState == fLCDState); 474 } 475 if (SkOSMenu::kMixedState != fAAState) { 476 paint->setAntiAlias(SkOSMenu::kOnState == fAAState); 477 } 478 if (SkOSMenu::kMixedState != fFilterState) { 479 paint->setFilterBitmap(SkOSMenu::kOnState == fFilterState); 480 } 481 if (SkOSMenu::kMixedState != fHintingState) { 482 paint->setHinting(SkOSMenu::kOnState == fHintingState ? 483 SkPaint::kNormal_Hinting : 484 SkPaint::kSlight_Hinting); 485 } 486 } 487 488private: 489 SkOSMenu::TriState fLCDState; 490 SkOSMenu::TriState fAAState; 491 SkOSMenu::TriState fFilterState; 492 SkOSMenu::TriState fHintingState; 493}; 494 495////////////////////////////////////////////////////////////////////////////// 496 497#define MAX_ZOOM_LEVEL 8 498#define MIN_ZOOM_LEVEL -8 499 500static const char gCharEvtName[] = "SampleCode_Char_Event"; 501static const char gKeyEvtName[] = "SampleCode_Key_Event"; 502static const char gTitleEvtName[] = "SampleCode_Title_Event"; 503static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; 504static const char gFastTextEvtName[] = "SampleCode_FastText_Event"; 505static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle"; 506 507bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) { 508 if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) { 509 if (outUni) { 510 *outUni = evt.getFast32(); 511 } 512 return true; 513 } 514 return false; 515} 516 517bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) { 518 if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) { 519 if (outKey) { 520 *outKey = (SkKey)evt.getFast32(); 521 } 522 return true; 523 } 524 return false; 525} 526 527bool SampleCode::TitleQ(const SkEvent& evt) { 528 return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); 529} 530 531void SampleCode::TitleR(SkEvent* evt, const char title[]) { 532 SkASSERT(evt && TitleQ(*evt)); 533 evt->setString(gTitleEvtName, title); 534} 535 536bool SampleCode::RequestTitle(SkView* view, SkString* title) { 537 SkEvent evt(gTitleEvtName); 538 if (view->doQuery(&evt)) { 539 title->set(evt.findString(gTitleEvtName)); 540 return true; 541 } 542 return false; 543} 544 545bool SampleCode::PrefSizeQ(const SkEvent& evt) { 546 return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); 547} 548 549void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { 550 SkASSERT(evt && PrefSizeQ(*evt)); 551 SkScalar size[2]; 552 size[0] = width; 553 size[1] = height; 554 evt->setScalars(gPrefSizeEvtName, 2, size); 555} 556 557bool SampleCode::FastTextQ(const SkEvent& evt) { 558 return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1); 559} 560 561/////////////////////////////////////////////////////////////////////////////// 562 563static SkMSec gAnimTime; 564static SkMSec gAnimTimePrev; 565 566SkMSec SampleCode::GetAnimTime() { return gAnimTime; } 567SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; } 568SkScalar SampleCode::GetAnimSecondsDelta() { 569 return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0); 570} 571 572SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) { 573 // since gAnimTime can be up to 32 bits, we can't convert it to a float 574 // or we'll lose the low bits. Hence we use doubles for the intermediate 575 // calculations 576 double seconds = (double)gAnimTime / 1000.0; 577 double value = SkScalarToDouble(speed) * seconds; 578 if (period) { 579 value = ::fmod(value, SkScalarToDouble(period)); 580 } 581 return SkDoubleToScalar(value); 582} 583 584SkScalar SampleCode::GetAnimSinScalar(SkScalar amplitude, 585 SkScalar periodInSec, 586 SkScalar phaseInSec) { 587 if (!periodInSec) { 588 return 0; 589 } 590 double t = (double)gAnimTime / 1000.0 + phaseInSec; 591 t *= SkScalarToFloat(2 * SK_ScalarPI) / periodInSec; 592 amplitude = SK_ScalarHalf * amplitude; 593 return SkScalarMul(amplitude, SkDoubleToScalar(sin(t))) + amplitude; 594} 595 596GrContext* SampleCode::GetGr() { 597 return gSampleWindow ? gSampleWindow->getGrContext() : NULL; 598} 599 600// some GMs rely on having a skiagm::GetGr function defined 601namespace skiagm { 602 GrContext* GetGr() { return SampleCode::GetGr(); } 603} 604 605////////////////////////////////////////////////////////////////////////////// 606 607static SkView* curr_view(SkWindow* wind) { 608 SkView::F2BIter iter(wind); 609 return iter.next(); 610} 611 612static bool curr_title(SkWindow* wind, SkString* title) { 613 SkView* view = curr_view(wind); 614 if (view) { 615 SkEvent evt(gTitleEvtName); 616 if (view->doQuery(&evt)) { 617 title->set(evt.findString(gTitleEvtName)); 618 return true; 619 } 620 } 621 return false; 622} 623 624void SampleWindow::setZoomCenter(float x, float y) 625{ 626 fZoomCenterX = SkFloatToScalar(x); 627 fZoomCenterY = SkFloatToScalar(y); 628} 629 630bool SampleWindow::zoomIn() 631{ 632 // Arbitrarily decided 633 if (fFatBitsScale == 25) return false; 634 fFatBitsScale++; 635 this->inval(NULL); 636 return true; 637} 638 639bool SampleWindow::zoomOut() 640{ 641 if (fFatBitsScale == 1) return false; 642 fFatBitsScale--; 643 this->inval(NULL); 644 return true; 645} 646 647void SampleWindow::updatePointer(int x, int y) 648{ 649 fMouseX = x; 650 fMouseY = y; 651 if (fShowZoomer) { 652 this->inval(NULL); 653 } 654} 655 656static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) { 657 static const SampleWindow::DeviceType gCT[] = { 658 SampleWindow::kPicture_DeviceType, 659 SampleWindow::kGPU_DeviceType, 660#if SK_ANGLE 661 SampleWindow::kANGLE_DeviceType, 662#endif 663 SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling 664 SampleWindow::kRaster_DeviceType 665 }; 666 return gCT[ct]; 667} 668 669static void usage(const char * argv0) { 670 SkDebugf("%s [--slide sampleName] [-i resourcePath] [--msaa sampleCount] [--pictureDir path]\n", argv0); 671 SkDebugf(" sampleName: sample at which to start.\n"); 672 SkDebugf(" resourcePath: directory that stores image resources.\n"); 673 SkDebugf(" msaa: request multisampling with the given sample count.\n"); 674} 675 676SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager) 677 : INHERITED(hwnd) 678 , fDevManager(NULL) { 679 680 this->registerPictFileSamples(argv, argc); 681 SkGMRegistyToSampleRegistry(); 682 { 683 const SkViewRegister* reg = SkViewRegister::Head(); 684 while (reg) { 685 *fSamples.append() = reg->factory(); 686 reg = reg->next(); 687 } 688 } 689 690 const char* resourcePath = NULL; 691 fCurrIndex = -1; 692 fMSAASampleCount = 0; 693 694 const char* const commandName = argv[0]; 695 char* const* stop = argv + argc; 696 for (++argv; argv < stop; ++argv) { 697 if (strcmp(*argv, "-i") == 0) { 698 argv++; 699 if (argv < stop && **argv) { 700 resourcePath = *argv; 701 } 702 } else if (strcmp(*argv, "--slide") == 0) { 703 argv++; 704 if (argv < stop && **argv) { 705 fCurrIndex = findByTitle(*argv); 706 if (fCurrIndex < 0) { 707 fprintf(stderr, "Unknown sample \"%s\"\n", *argv); 708 listTitles(); 709 } 710 } 711 } else if (strcmp(*argv, "--msaa") == 0) { 712 ++argv; 713 if (argv < stop && **argv) { 714 fMSAASampleCount = atoi(*argv); 715 } 716 } else if (strcmp(*argv, "--list") == 0) { 717 listTitles(); 718 } 719 else { 720 usage(commandName); 721 } 722 } 723 724 if (fCurrIndex < 0) { 725 SkString title; 726 if (readTitleFromPrefs(&title)) { 727 fCurrIndex = findByTitle(title.c_str()); 728 } 729 } 730 731 if (fCurrIndex < 0) { 732 fCurrIndex = 0; 733 } 734 735 gSampleWindow = this; 736 737#ifdef PIPE_FILE 738 //Clear existing file or create file if it doesn't exist 739 FILE* f = fopen(FILE_PATH, "wb"); 740 fclose(f); 741#endif 742 743 fPicture = NULL; 744 745 fDeviceType = kRaster_DeviceType; 746 747#if DEFAULT_TO_GPU 748 fDeviceType = kGPU_DeviceType; 749#endif 750#if SK_ANGLE && DEFAULT_TO_ANGLE 751 fDeviceType = kANGLE_DeviceType; 752#endif 753 754 fUseClip = false; 755 fNClip = false; 756 fAnimating = false; 757 fRotate = false; 758 fPerspAnim = false; 759 fPerspAnimTime = 0; 760 fScale = false; 761 fRequestGrabImage = false; 762 fUsePipe = false; 763 fMeasureFPS = false; 764 fLCDState = SkOSMenu::kMixedState; 765 fAAState = SkOSMenu::kMixedState; 766 fFilterState = SkOSMenu::kMixedState; 767 fHintingState = SkOSMenu::kMixedState; 768 fFlipAxis = 0; 769 fScrollTestX = fScrollTestY = 0; 770 771 fMouseX = fMouseY = 0; 772 fFatBitsScale = 8; 773 fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold); 774 fShowZoomer = false; 775 776 fZoomLevel = 0; 777 fZoomScale = SK_Scalar1; 778 779 fMagnify = false; 780 fDebugger = false; 781 782 fSaveToPdf = false; 783 fPdfCanvas = NULL; 784 785 fTransitionNext = 6; 786 fTransitionPrev = 2; 787 788 int sinkID = this->getSinkID(); 789 fAppMenu = new SkOSMenu; 790 fAppMenu->setTitle("Global Settings"); 791 int itemID; 792 793 itemID =fAppMenu->appendList("Device Type", "Device Type", sinkID, 0, 794 "Raster", "Picture", "OpenGL", 795#if SK_ANGLE 796 "ANGLE", 797#endif 798 NULL); 799 fAppMenu->assignKeyEquivalentToItem(itemID, 'd'); 800 itemID = fAppMenu->appendTriState("AA", "AA", sinkID, fAAState); 801 fAppMenu->assignKeyEquivalentToItem(itemID, 'b'); 802 itemID = fAppMenu->appendTriState("LCD", "LCD", sinkID, fLCDState); 803 fAppMenu->assignKeyEquivalentToItem(itemID, 'l'); 804 itemID = fAppMenu->appendTriState("Filter", "Filter", sinkID, fFilterState); 805 fAppMenu->assignKeyEquivalentToItem(itemID, 'n'); 806 itemID = fAppMenu->appendTriState("Hinting", "Hinting", sinkID, fHintingState); 807 fAppMenu->assignKeyEquivalentToItem(itemID, 'h'); 808 fUsePipeMenuItemID = fAppMenu->appendSwitch("Pipe", "Pipe" , sinkID, fUsePipe); 809 fAppMenu->assignKeyEquivalentToItem(fUsePipeMenuItemID, 'p'); 810#ifdef DEBUGGER 811 itemID = fAppMenu->appendSwitch("Debugger", "Debugger", sinkID, fDebugger); 812 fAppMenu->assignKeyEquivalentToItem(itemID, 'q'); 813#endif 814 itemID = fAppMenu->appendSwitch("Slide Show", "Slide Show" , sinkID, false); 815 fAppMenu->assignKeyEquivalentToItem(itemID, 'a'); 816 itemID = fAppMenu->appendSwitch("Clip", "Clip" , sinkID, fUseClip); 817 fAppMenu->assignKeyEquivalentToItem(itemID, 'c'); 818 itemID = fAppMenu->appendSwitch("Flip X", "Flip X" , sinkID, false); 819 fAppMenu->assignKeyEquivalentToItem(itemID, 'x'); 820 itemID = fAppMenu->appendSwitch("Flip Y", "Flip Y" , sinkID, false); 821 fAppMenu->assignKeyEquivalentToItem(itemID, 'y'); 822 itemID = fAppMenu->appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer); 823 fAppMenu->assignKeyEquivalentToItem(itemID, 'z'); 824 itemID = fAppMenu->appendSwitch("Magnify", "Magnify" , sinkID, fMagnify); 825 fAppMenu->assignKeyEquivalentToItem(itemID, 'm'); 826 itemID =fAppMenu->appendList("Transition-Next", "Transition-Next", sinkID, 827 fTransitionNext, "Up", "Up and Right", "Right", 828 "Down and Right", "Down", "Down and Left", 829 "Left", "Up and Left", NULL); 830 fAppMenu->assignKeyEquivalentToItem(itemID, 'j'); 831 itemID =fAppMenu->appendList("Transition-Prev", "Transition-Prev", sinkID, 832 fTransitionPrev, "Up", "Up and Right", "Right", 833 "Down and Right", "Down", "Down and Left", 834 "Left", "Up and Left", NULL); 835 fAppMenu->assignKeyEquivalentToItem(itemID, 'k'); 836 itemID = fAppMenu->appendAction("Save to PDF", sinkID); 837 fAppMenu->assignKeyEquivalentToItem(itemID, 'e'); 838 839 this->addMenu(fAppMenu); 840 fSlideMenu = new SkOSMenu; 841 this->addMenu(fSlideMenu); 842 843// this->setConfig(SkBitmap::kRGB_565_Config); 844 this->setConfig(SkBitmap::kARGB_8888_Config); 845 this->setVisibleP(true); 846 this->setClipToBounds(false); 847 848 skiagm::GM::SetResourcePath(resourcePath); 849 850 this->loadView((*fSamples[fCurrIndex])()); 851 852 fPDFData = NULL; 853 854 if (NULL == devManager) { 855 fDevManager = new DefaultDeviceManager(); 856 } else { 857 devManager->ref(); 858 fDevManager = devManager; 859 } 860 fDevManager->setUpBackend(this, fMSAASampleCount); 861 862 // If another constructor set our dimensions, ensure that our 863 // onSizeChange gets called. 864 if (this->height() && this->width()) { 865 this->onSizeChange(); 866 } 867 868 // can't call this synchronously, since it may require a subclass to 869 // to implement, or the caller may need us to have returned from the 870 // constructor first. Hence we post an event to ourselves. 871// this->updateTitle(); 872 postEventToSink(new SkEvent(gUpdateWindowTitleEvtName), this); 873} 874 875SampleWindow::~SampleWindow() { 876 delete fPicture; 877 delete fPdfCanvas; 878 fTypeface->unref(); 879 880 SkSafeUnref(fDevManager); 881} 882 883static void make_filepath(SkString* path, const char* dir, const SkString& name) { 884 size_t len = strlen(dir); 885 path->set(dir); 886 if (len > 0 && dir[len - 1] != '/') { 887 path->append("/"); 888 } 889 path->append(name); 890} 891 892void SampleWindow::registerPictFileSamples(char** argv, int argc) { 893 const char* pictDir = NULL; 894 895 for (int i = 0; i < argc; ++i) { 896 if (!strcmp(argv[i], "--pictureDir")) { 897 i += 1; 898 if (i < argc) { 899 pictDir = argv[i]; 900 break; 901 } 902 } 903 } 904 if (pictDir) { 905 SkOSFile::Iter iter(pictDir, "skp"); 906 SkString filename; 907 while (iter.next(&filename)) { 908 SkString path; 909 make_filepath(&path, pictDir, filename); 910 *fSamples.append() = new PictFileFactory(path); 911 } 912 } 913} 914 915int SampleWindow::findByTitle(const char title[]) { 916 int i, count = fSamples.count(); 917 for (i = 0; i < count; i++) { 918 if (getSampleTitle(i).equals(title)) { 919 return i; 920 } 921 } 922 return -1; 923} 924 925void SampleWindow::listTitles() { 926 int count = fSamples.count(); 927 SkDebugf("All Slides:\n"); 928 for (int i = 0; i < count; i++) { 929 SkDebugf(" %s\n", getSampleTitle(i).c_str()); 930 } 931} 932 933static SkBitmap capture_bitmap(SkCanvas* canvas) { 934 SkBitmap bm; 935 const SkBitmap& src = canvas->getDevice()->accessBitmap(false); 936 src.copyTo(&bm, src.config()); 937 return bm; 938} 939 940static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, 941 SkBitmap* diff) { 942 const SkBitmap& src = canvas->getDevice()->accessBitmap(false); 943 944 SkAutoLockPixels alp0(src); 945 SkAutoLockPixels alp1(orig); 946 for (int y = 0; y < src.height(); y++) { 947 const void* srcP = src.getAddr(0, y); 948 const void* origP = orig.getAddr(0, y); 949 size_t bytes = src.width() * src.bytesPerPixel(); 950 if (memcmp(srcP, origP, bytes)) { 951 SkDebugf("---------- difference on line %d\n", y); 952 return true; 953 } 954 } 955 return false; 956} 957 958static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint) 959{ 960 SkColor desiredColor = paint.getColor(); 961 paint.setColor(SK_ColorWHITE); 962 const char* c_str = string.c_str(); 963 size_t size = string.size(); 964 SkRect bounds; 965 paint.measureText(c_str, size, &bounds); 966 bounds.offset(left, top); 967 SkScalar inset = SkIntToScalar(-2); 968 bounds.inset(inset, inset); 969 canvas->drawRect(bounds, paint); 970 if (desiredColor != SK_ColorBLACK) { 971 paint.setColor(SK_ColorBLACK); 972 canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint); 973 } 974 paint.setColor(desiredColor); 975 canvas->drawText(c_str, size, left, top, paint); 976} 977 978#define XCLIP_N 8 979#define YCLIP_N 8 980 981void SampleWindow::draw(SkCanvas* canvas) { 982 if (!fDevManager->prepareCanvas(fDeviceType, canvas, this)) { 983 return; 984 } 985 // update the animation time 986 if (!gAnimTimePrev && !gAnimTime) { 987 // first time make delta be 0 988 gAnimTime = SkTime::GetMSecs(); 989 gAnimTimePrev = gAnimTime; 990 } else { 991 gAnimTimePrev = gAnimTime; 992 gAnimTime = SkTime::GetMSecs(); 993 } 994 995 const SkMatrix& localM = fGesture.localM(); 996 if (localM.getType() & SkMatrix::kScale_Mask) { 997 canvas->setExternalMatrix(&localM); 998 } 999 if (fGesture.isActive()) { 1000 this->updateMatrix(); 1001 } 1002 1003 if (fNClip) { 1004 this->INHERITED::draw(canvas); 1005 SkBitmap orig = capture_bitmap(canvas); 1006 1007 const SkScalar w = this->width(); 1008 const SkScalar h = this->height(); 1009 const SkScalar cw = w / XCLIP_N; 1010 const SkScalar ch = h / YCLIP_N; 1011 for (int y = 0; y < YCLIP_N; y++) { 1012 SkRect r; 1013 r.fTop = y * ch; 1014 r.fBottom = (y + 1) * ch; 1015 if (y == YCLIP_N - 1) { 1016 r.fBottom = h; 1017 } 1018 for (int x = 0; x < XCLIP_N; x++) { 1019 SkAutoCanvasRestore acr(canvas, true); 1020 r.fLeft = x * cw; 1021 r.fRight = (x + 1) * cw; 1022 if (x == XCLIP_N - 1) { 1023 r.fRight = w; 1024 } 1025 canvas->clipRect(r); 1026 this->INHERITED::draw(canvas); 1027 } 1028 } 1029 1030 SkBitmap diff; 1031 if (bitmap_diff(canvas, orig, &diff)) { 1032 } 1033 } else { 1034 this->INHERITED::draw(canvas); 1035 } 1036 if (fShowZoomer && !fSaveToPdf) { 1037 showZoomer(canvas); 1038 } 1039 if (fMagnify && !fSaveToPdf) { 1040 magnify(canvas); 1041 } 1042 1043 // do this last 1044 fDevManager->publishCanvas(fDeviceType, canvas, this); 1045} 1046 1047static float clipW = 200; 1048static float clipH = 200; 1049void SampleWindow::magnify(SkCanvas* canvas) { 1050 SkRect r; 1051 int count = canvas->save(); 1052 1053 SkMatrix m = canvas->getTotalMatrix(); 1054 m.invert(&m); 1055 SkPoint offset, center; 1056 SkScalar mouseX = fMouseX * SK_Scalar1; 1057 SkScalar mouseY = fMouseY * SK_Scalar1; 1058 m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset); 1059 m.mapXY(mouseX, mouseY, ¢er); 1060 1061 r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX()); 1062 r.offset(offset.fX, offset.fY); 1063 1064 SkPaint paint; 1065 paint.setColor(0xFF66AAEE); 1066 paint.setStyle(SkPaint::kStroke_Style); 1067 paint.setStrokeWidth(10.f * m.getScaleX()); 1068 //lense offset 1069 //canvas->translate(0, -250); 1070 canvas->drawRect(r, paint); 1071 canvas->clipRect(r); 1072 1073 m = canvas->getTotalMatrix(); 1074 m.setTranslate(-center.fX, -center.fY); 1075 m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale); 1076 m.postTranslate(center.fX, center.fY); 1077 canvas->concat(m); 1078 1079 this->INHERITED::draw(canvas); 1080 1081 canvas->restoreToCount(count); 1082} 1083 1084void SampleWindow::showZoomer(SkCanvas* canvas) { 1085 int count = canvas->save(); 1086 canvas->resetMatrix(); 1087 // Ensure the mouse position is on screen. 1088 int width = SkScalarRound(this->width()); 1089 int height = SkScalarRound(this->height()); 1090 if (fMouseX >= width) fMouseX = width - 1; 1091 else if (fMouseX < 0) fMouseX = 0; 1092 if (fMouseY >= height) fMouseY = height - 1; 1093 else if (fMouseY < 0) fMouseY = 0; 1094 1095 SkBitmap bitmap = capture_bitmap(canvas); 1096 bitmap.lockPixels(); 1097 1098 // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle. 1099 int zoomedWidth = (width >> 1) | 1; 1100 int zoomedHeight = (height >> 1) | 1; 1101 SkIRect src; 1102 src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale); 1103 src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1)); 1104 SkRect dest; 1105 dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight)); 1106 dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight)); 1107 SkPaint paint; 1108 // Clear the background behind our zoomed in view 1109 paint.setColor(SK_ColorWHITE); 1110 canvas->drawRect(dest, paint); 1111 canvas->drawBitmapRect(bitmap, &src, dest); 1112 paint.setColor(SK_ColorBLACK); 1113 paint.setStyle(SkPaint::kStroke_Style); 1114 // Draw a border around the pixel in the middle 1115 SkRect originalPixel; 1116 originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1)); 1117 SkMatrix matrix; 1118 SkRect scalarSrc; 1119 scalarSrc.set(src); 1120 SkColor color = bitmap.getColor(fMouseX, fMouseY); 1121 if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) { 1122 SkRect pixel; 1123 matrix.mapRect(&pixel, originalPixel); 1124 // TODO Perhaps measure the values and make the outline white if it's "dark" 1125 if (color == SK_ColorBLACK) { 1126 paint.setColor(SK_ColorWHITE); 1127 } 1128 canvas->drawRect(pixel, paint); 1129 } 1130 paint.setColor(SK_ColorBLACK); 1131 // Draw a border around the destination rectangle 1132 canvas->drawRect(dest, paint); 1133 paint.setStyle(SkPaint::kStrokeAndFill_Style); 1134 // Identify the pixel and its color on screen 1135 paint.setTypeface(fTypeface); 1136 paint.setAntiAlias(true); 1137 SkScalar lineHeight = paint.getFontMetrics(NULL); 1138 SkString string; 1139 string.appendf("(%i, %i)", fMouseX, fMouseY); 1140 SkScalar left = dest.fLeft + SkIntToScalar(3); 1141 SkScalar i = SK_Scalar1; 1142 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1143 // Alpha 1144 i += SK_Scalar1; 1145 string.reset(); 1146 string.appendf("A: %X", SkColorGetA(color)); 1147 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1148 // Red 1149 i += SK_Scalar1; 1150 string.reset(); 1151 string.appendf("R: %X", SkColorGetR(color)); 1152 paint.setColor(SK_ColorRED); 1153 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1154 // Green 1155 i += SK_Scalar1; 1156 string.reset(); 1157 string.appendf("G: %X", SkColorGetG(color)); 1158 paint.setColor(SK_ColorGREEN); 1159 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1160 // Blue 1161 i += SK_Scalar1; 1162 string.reset(); 1163 string.appendf("B: %X", SkColorGetB(color)); 1164 paint.setColor(SK_ColorBLUE); 1165 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1166 canvas->restoreToCount(count); 1167} 1168 1169void SampleWindow::onDraw(SkCanvas* canvas) { 1170} 1171 1172#include "SkColorPriv.h" 1173 1174static void reverseRedAndBlue(const SkBitmap& bm) { 1175 SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); 1176 uint8_t* p = (uint8_t*)bm.getPixels(); 1177 uint8_t* stop = p + bm.getSize(); 1178 while (p < stop) { 1179 // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply 1180 unsigned scale = SkAlpha255To256(p[3]); 1181 unsigned r = p[2]; 1182 unsigned b = p[0]; 1183 p[0] = SkAlphaMul(r, scale); 1184 p[1] = SkAlphaMul(p[1], scale); 1185 p[2] = SkAlphaMul(b, scale); 1186 p += 4; 1187 } 1188} 1189 1190void SampleWindow::saveToPdf() 1191{ 1192 fSaveToPdf = true; 1193 this->inval(NULL); 1194} 1195 1196SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { 1197 if (fSaveToPdf) { 1198 const SkBitmap& bmp = canvas->getDevice()->accessBitmap(false); 1199 SkISize size = SkISize::Make(bmp.width(), bmp.height()); 1200 SkPDFDevice* pdfDevice = new SkPDFDevice(size, size, 1201 canvas->getTotalMatrix()); 1202 fPdfCanvas = new SkCanvas(pdfDevice); 1203 pdfDevice->unref(); 1204 canvas = fPdfCanvas; 1205 } else { 1206 switch (fDeviceType) { 1207 case kRaster_DeviceType: 1208 // fallthrough 1209 case kGPU_DeviceType: 1210 // fallthrough 1211#if SK_ANGLE 1212 case kANGLE_DeviceType: 1213#endif 1214 canvas = this->INHERITED::beforeChildren(canvas); 1215 break; 1216 case kPicture_DeviceType: 1217 fPicture = new SkPicture; 1218 canvas = fPicture->beginRecording(9999, 9999); 1219 break; 1220 case kNullGPU_DeviceType: 1221 break; 1222 default: 1223 SkASSERT(false); 1224 break; 1225 } 1226 } 1227 1228 if (fUseClip) { 1229 canvas->drawColor(0xFFFF88FF); 1230 canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true); 1231 } 1232 1233 return canvas; 1234} 1235 1236static void paint_rgn(const SkBitmap& bm, const SkIRect& r, 1237 const SkRegion& rgn) { 1238 SkCanvas canvas(bm); 1239 SkRegion inval(rgn); 1240 1241 inval.translate(r.fLeft, r.fTop); 1242 canvas.clipRegion(inval); 1243 canvas.drawColor(0xFFFF8080); 1244} 1245#include "SkData.h" 1246void SampleWindow::afterChildren(SkCanvas* orig) { 1247 if (fSaveToPdf) { 1248 fSaveToPdf = false; 1249 if (fShowZoomer) { 1250 showZoomer(fPdfCanvas); 1251 } 1252 SkString name; 1253 name.printf("%s.pdf", this->getTitle()); 1254 SkPDFDocument doc; 1255 SkPDFDevice* device = static_cast<SkPDFDevice*>(fPdfCanvas->getDevice()); 1256 doc.appendPage(device); 1257#ifdef SK_BUILD_FOR_ANDROID 1258 name.prepend("/sdcard/"); 1259#endif 1260 1261#ifdef SK_BUILD_FOR_IOS 1262 SkDynamicMemoryWStream mstream; 1263 doc.emitPDF(&mstream); 1264 fPDFData = mstream.copyToData(); 1265#endif 1266 SkFILEWStream stream(name.c_str()); 1267 if (stream.isValid()) { 1268 doc.emitPDF(&stream); 1269 const char* desc = "File saved from Skia SampleApp"; 1270 this->onPDFSaved(this->getTitle(), desc, name.c_str()); 1271 } 1272 1273 delete fPdfCanvas; 1274 fPdfCanvas = NULL; 1275 1276 // We took over the draw calls in order to create the PDF, so we need 1277 // to redraw. 1278 this->inval(NULL); 1279 return; 1280 } 1281 1282 if (fRequestGrabImage) { 1283 fRequestGrabImage = false; 1284 1285 SkDevice* device = orig->getDevice(); 1286 SkBitmap bmp; 1287 if (device->accessBitmap(false).copyTo(&bmp, SkBitmap::kARGB_8888_Config)) { 1288 static int gSampleGrabCounter; 1289 SkString name; 1290 name.printf("sample_grab_%d", gSampleGrabCounter++); 1291 SkImageEncoder::EncodeFile(name.c_str(), bmp, 1292 SkImageEncoder::kPNG_Type, 100); 1293 } 1294 } 1295 1296 if (kPicture_DeviceType == fDeviceType) { 1297 if (true) { 1298 SkPicture* pict = new SkPicture(*fPicture); 1299 fPicture->unref(); 1300 this->installDrawFilter(orig); 1301 orig->drawPicture(*pict); 1302 pict->unref(); 1303 } else if (true) { 1304 SkDynamicMemoryWStream ostream; 1305 fPicture->serialize(&ostream); 1306 fPicture->unref(); 1307 1308 SkAutoDataUnref data(ostream.copyToData()); 1309 SkMemoryStream istream(data.data(), data.size()); 1310 SkPicture pict(&istream); 1311 orig->drawPicture(pict); 1312 } else { 1313 fPicture->draw(orig); 1314 fPicture->unref(); 1315 } 1316 fPicture = NULL; 1317 } 1318 1319 // Do this after presentGL and other finishing, rather than in afterChild 1320 if (fMeasureFPS && fMeasureFPS_Time) { 1321 fMeasureFPS_Time = SkTime::GetMSecs() - fMeasureFPS_Time; 1322 this->updateTitle(); 1323 this->postInvalDelay(); 1324 } 1325 1326 // if ((fScrollTestX | fScrollTestY) != 0) 1327 if (false) { 1328 const SkBitmap& bm = orig->getDevice()->accessBitmap(true); 1329 int dx = fScrollTestX * 7; 1330 int dy = fScrollTestY * 7; 1331 SkIRect r; 1332 SkRegion inval; 1333 1334 r.set(50, 50, 50+100, 50+100); 1335 bm.scrollRect(&r, dx, dy, &inval); 1336 paint_rgn(bm, r, inval); 1337 } 1338#ifdef DEBUGGER 1339 SkView* curr = curr_view(this); 1340 if (fDebugger && !is_debugger(curr) && !is_transition(curr) && !is_overview(curr)) { 1341 //Stop Pipe when fDebugger is active 1342 fUsePipe = false; 1343 (void)SampleView::SetUsePipe(curr, false); 1344 fAppMenu->getItemByID(fUsePipeMenuItemID)->setBool(fUsePipe); 1345 this->onUpdateMenu(fAppMenu); 1346 1347 //Reset any transformations 1348 fGesture.stop(); 1349 fGesture.reset(); 1350 1351 this->loadView(create_debugger(gTempDataStore.begin(), 1352 gTempDataStore.count())); 1353 } 1354#endif 1355} 1356 1357void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { 1358 if (fScale) { 1359 SkScalar scale = SK_Scalar1 * 7 / 10; 1360 SkScalar cx = this->width() / 2; 1361 SkScalar cy = this->height() / 2; 1362 canvas->translate(cx, cy); 1363 canvas->scale(scale, scale); 1364 canvas->translate(-cx, -cy); 1365 } 1366 if (fRotate) { 1367 SkScalar cx = this->width() / 2; 1368 SkScalar cy = this->height() / 2; 1369 canvas->translate(cx, cy); 1370 canvas->rotate(SkIntToScalar(30)); 1371 canvas->translate(-cx, -cy); 1372 } 1373 if (fPerspAnim) { 1374 fPerspAnimTime += SampleCode::GetAnimSecondsDelta(); 1375 1376 static const SkScalar gAnimPeriod = 10 * SK_Scalar1; 1377 static const SkScalar gAnimMag = SK_Scalar1 / 1000; 1378 SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod); 1379 if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) { 1380 t = gAnimPeriod - t; 1381 } 1382 t = 2 * t - gAnimPeriod; 1383 t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag); 1384 SkMatrix m; 1385 m.reset(); 1386 m.setPerspY(t); 1387 canvas->concat(m); 1388 } 1389 1390 this->installDrawFilter(canvas); 1391 1392 if (fMeasureFPS) { 1393 fMeasureFPS_Time = 0; // 0 means the child is not aware of repeat-draw 1394 if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { 1395 fMeasureFPS_Time = SkTime::GetMSecs(); 1396 } 1397 } else { 1398 (void)SampleView::SetRepeatDraw(child, 1); 1399 } 1400 if (fPerspAnim) { 1401 this->inval(NULL); 1402 } 1403 //(void)SampleView::SetUsePipe(child, fUsePipe); 1404} 1405 1406void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { 1407 canvas->setDrawFilter(NULL); 1408} 1409 1410static SkBitmap::Config gConfigCycle[] = { 1411 SkBitmap::kNo_Config, // none -> none 1412 SkBitmap::kNo_Config, // a1 -> none 1413 SkBitmap::kNo_Config, // a8 -> none 1414 SkBitmap::kNo_Config, // index8 -> none 1415 SkBitmap::kARGB_4444_Config, // 565 -> 4444 1416 SkBitmap::kARGB_8888_Config, // 4444 -> 8888 1417 SkBitmap::kRGB_565_Config // 8888 -> 565 1418}; 1419 1420static SkBitmap::Config cycle_configs(SkBitmap::Config c) { 1421 return gConfigCycle[c]; 1422} 1423 1424void SampleWindow::changeZoomLevel(float delta) { 1425 fZoomLevel += SkFloatToScalar(delta); 1426 if (fZoomLevel > 0) { 1427 fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL); 1428 fZoomScale = fZoomLevel + SK_Scalar1; 1429 } else if (fZoomLevel < 0) { 1430 fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL); 1431 fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel); 1432 } else { 1433 fZoomScale = SK_Scalar1; 1434 } 1435 this->updateMatrix(); 1436} 1437 1438void SampleWindow::updateMatrix(){ 1439 SkMatrix m; 1440 m.reset(); 1441 if (fZoomLevel) { 1442 SkPoint center; 1443 //m = this->getLocalMatrix();//.invert(&m); 1444 m.mapXY(fZoomCenterX, fZoomCenterY, ¢er); 1445 SkScalar cx = center.fX; 1446 SkScalar cy = center.fY; 1447 1448 m.setTranslate(-cx, -cy); 1449 m.postScale(fZoomScale, fZoomScale); 1450 m.postTranslate(cx, cy); 1451 } 1452 1453 if (fFlipAxis) { 1454 m.preTranslate(fZoomCenterX, fZoomCenterY); 1455 if (fFlipAxis & kFlipAxis_X) { 1456 m.preScale(-SK_Scalar1, SK_Scalar1); 1457 } 1458 if (fFlipAxis & kFlipAxis_Y) { 1459 m.preScale(SK_Scalar1, -SK_Scalar1); 1460 } 1461 m.preTranslate(-fZoomCenterX, -fZoomCenterY); 1462 //canvas->concat(m); 1463 } 1464 // Apply any gesture matrix 1465 m.preConcat(fGesture.localM()); 1466 m.preConcat(fGesture.globalM()); 1467 1468 this->setLocalMatrix(m); 1469 1470 this->updateTitle(); 1471 this->inval(NULL); 1472} 1473bool SampleWindow::previousSample() { 1474 fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count(); 1475 this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1476 fTransitionPrev)); 1477 return true; 1478} 1479 1480bool SampleWindow::nextSample() { 1481 fCurrIndex = (fCurrIndex + 1) % fSamples.count(); 1482 this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1483 fTransitionNext)); 1484 return true; 1485} 1486 1487bool SampleWindow::goToSample(int i) { 1488 fCurrIndex = (i) % fSamples.count(); 1489 this->loadView(create_transition(curr_view(this),(*fSamples[fCurrIndex])(), 6)); 1490 return true; 1491} 1492 1493SkString SampleWindow::getSampleTitle(int i) { 1494 SkView* view = (*fSamples[i])(); 1495 SkString title; 1496 SampleCode::RequestTitle(view, &title); 1497 view->unref(); 1498 return title; 1499} 1500 1501int SampleWindow::sampleCount() { 1502 return fSamples.count(); 1503} 1504 1505void SampleWindow::showOverview() { 1506 this->loadView(create_transition(curr_view(this), 1507 create_overview(fSamples.count(), fSamples.begin()), 1508 4)); 1509} 1510 1511void SampleWindow::installDrawFilter(SkCanvas* canvas) { 1512 canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState, 1513 fFilterState, fHintingState))->unref(); 1514} 1515 1516void SampleWindow::postAnimatingEvent() { 1517 if (fAnimating) { 1518 (new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY); 1519 } 1520} 1521 1522bool SampleWindow::onEvent(const SkEvent& evt) { 1523 if (evt.isType(gUpdateWindowTitleEvtName)) { 1524 this->updateTitle(); 1525 return true; 1526 } 1527 if (evt.isType(ANIMATING_EVENTTYPE)) { 1528 if (fAnimating) { 1529 this->nextSample(); 1530 this->postAnimatingEvent(); 1531 } 1532 return true; 1533 } 1534 if (evt.isType("replace-transition-view")) { 1535 this->loadView((SkView*)SkEventSink::FindSink(evt.getFast32())); 1536 return true; 1537 } 1538 if (evt.isType("set-curr-index")) { 1539 this->goToSample(evt.getFast32()); 1540 return true; 1541 } 1542 if (isInvalEvent(evt)) { 1543 this->inval(NULL); 1544 return true; 1545 } 1546 int selected = -1; 1547 if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) { 1548 this->setDeviceType((DeviceType)selected); 1549 return true; 1550 } 1551 if (SkOSMenu::FindSwitchState(evt, "Pipe", &fUsePipe)) { 1552#ifdef PIPE_NET 1553 if (!fUsePipe) 1554 gServer.disconnectAll(); 1555#endif 1556 (void)SampleView::SetUsePipe(curr_view(this), fUsePipe); 1557 this->updateTitle(); 1558 this->inval(NULL); 1559 return true; 1560 } 1561 if (SkOSMenu::FindSwitchState(evt, "Slide Show", NULL)) { 1562 this->toggleSlideshow(); 1563 return true; 1564 } 1565 if (SkOSMenu::FindTriState(evt, "AA", &fAAState) || 1566 SkOSMenu::FindTriState(evt, "LCD", &fLCDState) || 1567 SkOSMenu::FindTriState(evt, "Filter", &fFilterState) || 1568 SkOSMenu::FindTriState(evt, "Hinting", &fHintingState) || 1569 SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) || 1570 SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) || 1571 SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) || 1572 SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) || 1573 SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) { 1574 this->inval(NULL); 1575 this->updateTitle(); 1576 return true; 1577 } 1578 if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) { 1579 fFlipAxis ^= kFlipAxis_X; 1580 this->updateMatrix(); 1581 return true; 1582 } 1583 if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) { 1584 fFlipAxis ^= kFlipAxis_Y; 1585 this->updateMatrix(); 1586 return true; 1587 } 1588 if (SkOSMenu::FindAction(evt,"Save to PDF")) { 1589 this->saveToPdf(); 1590 return true; 1591 } 1592#ifdef DEBUGGER 1593 if (SkOSMenu::FindSwitchState(evt, "Debugger", &fDebugger)) { 1594 if (fDebugger) { 1595 fUsePipe = true; 1596 (void)SampleView::SetUsePipe(curr_view(this), true); 1597 } else { 1598 this->loadView(fSamples[fCurrIndex]()); 1599 } 1600 this->inval(NULL); 1601 return true; 1602 } 1603#endif 1604 return this->INHERITED::onEvent(evt); 1605} 1606 1607bool SampleWindow::onQuery(SkEvent* query) { 1608 if (query->isType("get-slide-count")) { 1609 query->setFast32(fSamples.count()); 1610 return true; 1611 } 1612 if (query->isType("get-slide-title")) { 1613 SkView* view = (*fSamples[query->getFast32()])(); 1614 SkEvent evt(gTitleEvtName); 1615 if (view->doQuery(&evt)) { 1616 query->setString("title", evt.findString(gTitleEvtName)); 1617 } 1618 SkSafeUnref(view); 1619 return true; 1620 } 1621 if (query->isType("use-fast-text")) { 1622 SkEvent evt(gFastTextEvtName); 1623 return curr_view(this)->doQuery(&evt); 1624 } 1625 if (query->isType("ignore-window-bitmap")) { 1626 query->setFast32(this->getGrContext() != NULL); 1627 return true; 1628 } 1629 return this->INHERITED::onQuery(query); 1630} 1631 1632static void cleanup_for_filename(SkString* name) { 1633 char* str = name->writable_str(); 1634 for (size_t i = 0; i < name->size(); i++) { 1635 switch (str[i]) { 1636 case ':': str[i] = '-'; break; 1637 case '/': str[i] = '-'; break; 1638 case ' ': str[i] = '_'; break; 1639 default: break; 1640 } 1641 } 1642} 1643 1644bool SampleWindow::onHandleChar(SkUnichar uni) { 1645 { 1646 SkView* view = curr_view(this); 1647 if (view) { 1648 SkEvent evt(gCharEvtName); 1649 evt.setFast32(uni); 1650 if (view->doQuery(&evt)) { 1651 return true; 1652 } 1653 } 1654 } 1655 1656 int dx = 0xFF; 1657 int dy = 0xFF; 1658 1659 switch (uni) { 1660 case '5': dx = 0; dy = 0; break; 1661 case '8': dx = 0; dy = -1; break; 1662 case '6': dx = 1; dy = 0; break; 1663 case '2': dx = 0; dy = 1; break; 1664 case '4': dx = -1; dy = 0; break; 1665 case '7': dx = -1; dy = -1; break; 1666 case '9': dx = 1; dy = -1; break; 1667 case '3': dx = 1; dy = 1; break; 1668 case '1': dx = -1; dy = 1; break; 1669 1670 default: 1671 break; 1672 } 1673 1674 if (0xFF != dx && 0xFF != dy) { 1675 if ((dx | dy) == 0) { 1676 fScrollTestX = fScrollTestY = 0; 1677 } else { 1678 fScrollTestX += dx; 1679 fScrollTestY += dy; 1680 } 1681 this->inval(NULL); 1682 return true; 1683 } 1684 1685 switch (uni) { 1686 case 'f': 1687 // only 1688 toggleFPS(); 1689 break; 1690 case 'g': 1691 fRequestGrabImage = true; 1692 this->inval(NULL); 1693 break; 1694 case 'i': 1695 this->zoomIn(); 1696 break; 1697 case 'o': 1698 this->zoomOut(); 1699 break; 1700 case 'r': 1701 fRotate = !fRotate; 1702 this->inval(NULL); 1703 this->updateTitle(); 1704 return true; 1705 case 'k': 1706 fPerspAnim = !fPerspAnim; 1707 this->inval(NULL); 1708 this->updateTitle(); 1709 return true; 1710 case '\\': 1711 this->setDeviceType(kNullGPU_DeviceType); 1712 this->inval(NULL); 1713 this->updateTitle(); 1714 return true; 1715 case 'p': 1716 { 1717 GrContext* grContext = this->getGrContext(); 1718 if (grContext) { 1719 size_t cacheBytes = grContext->getGpuTextureCacheBytes(); 1720 grContext->freeGpuResources(); 1721 SkDebugf("Purged %d bytes from the GPU resource cache.\n", 1722 cacheBytes); 1723 } 1724 } 1725 return true; 1726 case 's': 1727 fScale = !fScale; 1728 this->inval(NULL); 1729 this->updateTitle(); 1730 return true; 1731 default: 1732 break; 1733 } 1734 1735 if (fAppMenu->handleKeyEquivalent(uni)|| fSlideMenu->handleKeyEquivalent(uni)) { 1736 this->onUpdateMenu(fAppMenu); 1737 this->onUpdateMenu(fSlideMenu); 1738 return true; 1739 } 1740 return this->INHERITED::onHandleChar(uni); 1741} 1742 1743void SampleWindow::setDeviceType(DeviceType type) { 1744 if (type == fDeviceType) 1745 return; 1746 1747 fDevManager->tearDownBackend(this); 1748 1749 fDeviceType = type; 1750 1751 fDevManager->setUpBackend(this, fMSAASampleCount); 1752 1753 this->updateTitle(); 1754 this->inval(NULL); 1755} 1756 1757void SampleWindow::toggleSlideshow() { 1758 fAnimating = !fAnimating; 1759 this->postAnimatingEvent(); 1760 this->updateTitle(); 1761} 1762 1763void SampleWindow::toggleRendering() { 1764 this->setDeviceType(cycle_devicetype(fDeviceType)); 1765 this->updateTitle(); 1766 this->inval(NULL); 1767} 1768 1769void SampleWindow::toggleFPS() { 1770 fMeasureFPS = !fMeasureFPS; 1771 this->updateTitle(); 1772 this->inval(NULL); 1773} 1774 1775#include "SkDumpCanvas.h" 1776 1777bool SampleWindow::onHandleKey(SkKey key) { 1778 { 1779 SkView* view = curr_view(this); 1780 if (view) { 1781 SkEvent evt(gKeyEvtName); 1782 evt.setFast32(key); 1783 if (view->doQuery(&evt)) { 1784 return true; 1785 } 1786 } 1787 } 1788 switch (key) { 1789 case kRight_SkKey: 1790 if (this->nextSample()) { 1791 return true; 1792 } 1793 break; 1794 case kLeft_SkKey: 1795 toggleRendering(); 1796 return true; 1797 case kUp_SkKey: 1798 if (USE_ARROWS_FOR_ZOOM) { 1799 this->changeZoomLevel(1.f); 1800 } else { 1801 fNClip = !fNClip; 1802 this->inval(NULL); 1803 this->updateTitle(); 1804 } 1805 return true; 1806 case kDown_SkKey: 1807 if (USE_ARROWS_FOR_ZOOM) { 1808 this->changeZoomLevel(-1.f); 1809 } else { 1810 this->setConfig(cycle_configs(this->getBitmap().config())); 1811 this->updateTitle(); 1812 } 1813 return true; 1814 case kOK_SkKey: { 1815 SkString title; 1816 if (curr_title(this, &title)) { 1817 writeTitleToPrefs(title.c_str()); 1818 } 1819 return true; 1820 } 1821 case kBack_SkKey: 1822 this->showOverview(); 1823 return true; 1824 default: 1825 break; 1826 } 1827 return this->INHERITED::onHandleKey(key); 1828} 1829 1830/////////////////////////////////////////////////////////////////////////////// 1831 1832static const char gGestureClickType[] = "GestureClickType"; 1833 1834bool SampleWindow::onDispatchClick(int x, int y, Click::State state, 1835 void* owner) { 1836 if (Click::kMoved_State == state) { 1837 updatePointer(x, y); 1838 } 1839 int w = SkScalarRound(this->width()); 1840 int h = SkScalarRound(this->height()); 1841 1842 // check for the resize-box 1843 if (w - x < 16 && h - y < 16) { 1844 return false; // let the OS handle the click 1845 } 1846 else if (fMagnify) { 1847 //it's only necessary to update the drawing if there's a click 1848 this->inval(NULL); 1849 return false; //prevent dragging while magnify is enabled 1850 } 1851 else { 1852 return this->INHERITED::onDispatchClick(x, y, state, owner); 1853 } 1854} 1855 1856class GestureClick : public SkView::Click { 1857public: 1858 GestureClick(SkView* target) : SkView::Click(target) { 1859 this->setType(gGestureClickType); 1860 } 1861 1862 static bool IsGesture(Click* click) { 1863 return click->isType(gGestureClickType); 1864 } 1865}; 1866 1867SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y) { 1868 return new GestureClick(this); 1869} 1870 1871bool SampleWindow::onClick(Click* click) { 1872 if (GestureClick::IsGesture(click)) { 1873 float x = static_cast<float>(click->fICurr.fX); 1874 float y = static_cast<float>(click->fICurr.fY); 1875 1876 switch (click->fState) { 1877 case SkView::Click::kDown_State: 1878 fGesture.touchBegin(click->fOwner, x, y); 1879 break; 1880 case SkView::Click::kMoved_State: 1881 fGesture.touchMoved(click->fOwner, x, y); 1882 this->updateMatrix(); 1883 break; 1884 case SkView::Click::kUp_State: 1885 fGesture.touchEnd(click->fOwner); 1886 this->updateMatrix(); 1887 break; 1888 } 1889 return true; 1890 } 1891 return false; 1892} 1893 1894/////////////////////////////////////////////////////////////////////////////// 1895 1896void SampleWindow::loadView(SkView* view) { 1897 SkView::F2BIter iter(this); 1898 SkView* prev = iter.next(); 1899 if (prev) { 1900 prev->detachFromParent(); 1901 } 1902 1903 view->setVisibleP(true); 1904 view->setClipToBounds(false); 1905 this->attachChildToFront(view)->unref(); 1906 view->setSize(this->width(), this->height()); 1907 1908 //repopulate the slide menu when a view is loaded 1909 fSlideMenu->reset(); 1910#ifdef DEBUGGER 1911 if (!is_debugger(view) && !is_overview(view) && !is_transition(view) && fDebugger) { 1912 //Force Pipe to be on if using debugger 1913 fUsePipe = true; 1914 } 1915#endif 1916 (void)SampleView::SetUsePipe(view, fUsePipe); 1917 if (SampleView::IsSampleView(view)) 1918 ((SampleView*)view)->requestMenu(fSlideMenu); 1919 this->onUpdateMenu(fSlideMenu); 1920 this->updateTitle(); 1921} 1922 1923static const char* gConfigNames[] = { 1924 "unknown config", 1925 "A1", 1926 "A8", 1927 "Index8", 1928 "565", 1929 "4444", 1930 "8888" 1931}; 1932 1933static const char* configToString(SkBitmap::Config c) { 1934 return gConfigNames[c]; 1935} 1936 1937static const char* gDeviceTypePrefix[] = { 1938 "raster: ", 1939 "picture: ", 1940 "opengl: ", 1941#if SK_ANGLE 1942 "angle: ", 1943#endif 1944 "null-gl: " 1945}; 1946 1947static const bool gDeviceTypeIsGPU[] = { 1948 false, 1949 false, 1950 true, 1951#if SK_ANGLE 1952 true, 1953#endif 1954 true 1955}; 1956 1957static const char* trystate_str(SkOSMenu::TriState state, 1958 const char trueStr[], const char falseStr[]) { 1959 if (SkOSMenu::kOnState == state) { 1960 return trueStr; 1961 } else if (SkOSMenu::kOffState == state) { 1962 return falseStr; 1963 } 1964 return NULL; 1965} 1966 1967void SampleWindow::updateTitle() { 1968 SkView* view = curr_view(this); 1969 1970 SkString title; 1971 if (!curr_title(this, &title)) { 1972 title.set("<unknown>"); 1973 } 1974 1975 title.prepend(gDeviceTypePrefix[fDeviceType]); 1976 1977 title.prepend(" "); 1978 title.prepend(configToString(this->getBitmap().config())); 1979 1980 if (fAnimating) { 1981 title.prepend("<A> "); 1982 } 1983 if (fScale) { 1984 title.prepend("<S> "); 1985 } 1986 if (fRotate) { 1987 title.prepend("<R> "); 1988 } 1989 if (fNClip) { 1990 title.prepend("<C> "); 1991 } 1992 if (fPerspAnim) { 1993 title.prepend("<K> "); 1994 } 1995 1996 title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); 1997 title.prepend(trystate_str(fAAState, "AA ", "aa ")); 1998 title.prepend(trystate_str(fFilterState, "H ", "h ")); 1999 title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); 2000 title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); 2001 2002 if (fZoomLevel) { 2003 title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel)); 2004 } 2005 2006 if (fMeasureFPS) { 2007 title.appendf(" %6.1f ms", fMeasureFPS_Time / (float)FPS_REPEAT_MULTIPLIER); 2008 } 2009 if (fUsePipe && SampleView::IsSampleView(view)) { 2010 title.prepend("<P> "); 2011 } 2012 if (SampleView::IsSampleView(view)) { 2013 title.prepend("! "); 2014 } 2015 2016 if (gDeviceTypeIsGPU[fDeviceType] && 2017 NULL != fDevManager && 2018 fDevManager->getGrRenderTarget()->numSamples() > 0) { 2019 title.appendf(" [MSAA: %d]", 2020 fDevManager->getGrRenderTarget()->numSamples()); 2021 } 2022 2023 this->setTitle(title.c_str()); 2024} 2025 2026void SampleWindow::onSizeChange() { 2027 this->INHERITED::onSizeChange(); 2028 2029 SkView::F2BIter iter(this); 2030 SkView* view = iter.next(); 2031 view->setSize(this->width(), this->height()); 2032 2033 // rebuild our clippath 2034 { 2035 const SkScalar W = this->width(); 2036 const SkScalar H = this->height(); 2037 2038 fClipPath.reset(); 2039#if 0 2040 for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { 2041 SkRect r; 2042 r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); 2043 for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) 2044 fClipPath.addRect(r); 2045 } 2046#else 2047 SkRect r; 2048 r.set(0, 0, W, H); 2049 fClipPath.addRect(r, SkPath::kCCW_Direction); 2050 r.set(W/4, H/4, W*3/4, H*3/4); 2051 fClipPath.addRect(r, SkPath::kCW_Direction); 2052#endif 2053 } 2054 2055 fZoomCenterX = SkScalarHalf(this->width()); 2056 fZoomCenterY = SkScalarHalf(this->height()); 2057 2058#ifdef SK_BUILD_FOR_ANDROID 2059 // FIXME: The first draw after a size change does not work on Android, so 2060 // we post an invalidate. 2061 this->postInvalDelay(); 2062#endif 2063 this->updateTitle(); // to refresh our config 2064 fDevManager->windowSizeChanged(this); 2065} 2066 2067/////////////////////////////////////////////////////////////////////////////// 2068 2069static const char is_sample_view_tag[] = "sample-is-sample-view"; 2070static const char repeat_count_tag[] = "sample-set-repeat-count"; 2071static const char set_use_pipe_tag[] = "sample-set-use-pipe"; 2072 2073bool SampleView::IsSampleView(SkView* view) { 2074 SkEvent evt(is_sample_view_tag); 2075 return view->doQuery(&evt); 2076} 2077 2078bool SampleView::SetRepeatDraw(SkView* view, int count) { 2079 SkEvent evt(repeat_count_tag); 2080 evt.setFast32(count); 2081 return view->doEvent(evt); 2082} 2083 2084bool SampleView::SetUsePipe(SkView* view, bool pred) { 2085 SkEvent evt(set_use_pipe_tag); 2086 evt.setFast32(pred); 2087 return view->doEvent(evt); 2088} 2089 2090bool SampleView::onEvent(const SkEvent& evt) { 2091 if (evt.isType(repeat_count_tag)) { 2092 fRepeatCount = evt.getFast32(); 2093 return true; 2094 } 2095 if (evt.isType(set_use_pipe_tag)) { 2096 fUsePipe = !!evt.getFast32(); 2097 return true; 2098 } 2099 return this->INHERITED::onEvent(evt); 2100} 2101 2102bool SampleView::onQuery(SkEvent* evt) { 2103 if (evt->isType(is_sample_view_tag)) { 2104 return true; 2105 } 2106 return this->INHERITED::onQuery(evt); 2107} 2108 2109#ifdef TEST_GPIPE 2110 #include "SkGPipe.h" 2111 2112class SimplePC : public SkGPipeController { 2113public: 2114 SimplePC(SkCanvas* target); 2115 ~SimplePC(); 2116 2117 /** 2118 * User this method to halt/restart pipe 2119 */ 2120 void setWriteToPipe(bool writeToPipe) { fWriteToPipe = writeToPipe; } 2121 virtual void* requestBlock(size_t minRequest, size_t* actual); 2122 virtual void notifyWritten(size_t bytes); 2123 2124private: 2125 SkGPipeReader fReader; 2126 void* fBlock; 2127 size_t fBlockSize; 2128 size_t fBytesWritten; 2129 int fAtomsWritten; 2130 SkGPipeReader::Status fStatus; 2131 bool fWriteToPipe; 2132 2133 size_t fTotalWritten; 2134}; 2135 2136SimplePC::SimplePC(SkCanvas* target) : fReader(target) { 2137 fBlock = NULL; 2138 fBlockSize = fBytesWritten = 0; 2139 fStatus = SkGPipeReader::kDone_Status; 2140 fTotalWritten = 0; 2141 fAtomsWritten = 0; 2142 fWriteToPipe = true; 2143} 2144 2145SimplePC::~SimplePC() { 2146// SkASSERT(SkGPipeReader::kDone_Status == fStatus); 2147 if (fTotalWritten) { 2148 if (fWriteToPipe) { 2149 SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten, 2150 fAtomsWritten, fStatus); 2151#ifdef PIPE_FILE 2152 //File is open in append mode 2153 FILE* f = fopen(FILE_PATH, "ab"); 2154 SkASSERT(f != NULL); 2155 fwrite((const char*)fBlock + fBytesWritten, 1, bytes, f); 2156 fclose(f); 2157#endif 2158#ifdef PIPE_NET 2159 if (fAtomsWritten > 1 && fTotalWritten > 4) { //ignore done 2160 gServer.acceptConnections(); 2161 gServer.writePacket(fBlock, fTotalWritten); 2162 } 2163#endif 2164#ifdef DEBUGGER 2165 gTempDataStore.reset(); 2166 gTempDataStore.append(fTotalWritten, (const char*)fBlock); 2167#endif 2168 } 2169 } 2170 sk_free(fBlock); 2171} 2172 2173void* SimplePC::requestBlock(size_t minRequest, size_t* actual) { 2174 sk_free(fBlock); 2175 2176 fBlockSize = minRequest * 4; 2177 fBlock = sk_malloc_throw(fBlockSize); 2178 fBytesWritten = 0; 2179 *actual = fBlockSize; 2180 return fBlock; 2181} 2182 2183void SimplePC::notifyWritten(size_t bytes) { 2184 SkASSERT(fBytesWritten + bytes <= fBlockSize); 2185 fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); 2186 SkASSERT(SkGPipeReader::kError_Status != fStatus); 2187 fBytesWritten += bytes; 2188 fTotalWritten += bytes; 2189 2190 fAtomsWritten += 1; 2191} 2192 2193#endif 2194 2195void SampleView::draw(SkCanvas* canvas) { 2196#ifdef TEST_GPIPE 2197 if (fUsePipe) { 2198 SkGPipeWriter writer; 2199 SimplePC controller(canvas); 2200 uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; 2201 canvas = writer.startRecording(&controller, flags); 2202 //Must draw before controller goes out of scope and sends data 2203 this->INHERITED::draw(canvas); 2204 //explicitly end recording to ensure writer is flushed before the memory 2205 //is freed in the deconstructor of the controller 2206 writer.endRecording(); 2207 controller.setWriteToPipe(fUsePipe); 2208 } 2209 else 2210 this->INHERITED::draw(canvas); 2211#else 2212 this->INHERITED::draw(canvas); 2213#endif 2214} 2215void SampleView::onDraw(SkCanvas* canvas) { 2216 this->onDrawBackground(canvas); 2217 2218 for (int i = 0; i < fRepeatCount; i++) { 2219 SkAutoCanvasRestore acr(canvas, true); 2220 this->onDrawContent(canvas); 2221 } 2222} 2223 2224void SampleView::onDrawBackground(SkCanvas* canvas) { 2225 canvas->drawColor(fBGColor); 2226} 2227 2228/////////////////////////////////////////////////////////////////////////////// 2229 2230template <typename T> void SkTBSort(T array[], int count) { 2231 for (int i = 1; i < count - 1; i++) { 2232 bool didSwap = false; 2233 for (int j = count - 1; j > i; --j) { 2234 if (array[j] < array[j-1]) { 2235 T tmp(array[j-1]); 2236 array[j-1] = array[j]; 2237 array[j] = tmp; 2238 didSwap = true; 2239 } 2240 } 2241 if (!didSwap) { 2242 break; 2243 } 2244 } 2245 2246 for (int k = 0; k < count - 1; k++) { 2247 SkASSERT(!(array[k+1] < array[k])); 2248 } 2249} 2250 2251#include "SkRandom.h" 2252 2253static void rand_rect(SkIRect* rect, SkRandom& rand) { 2254 int bits = 8; 2255 int shift = 32 - bits; 2256 rect->set(rand.nextU() >> shift, rand.nextU() >> shift, 2257 rand.nextU() >> shift, rand.nextU() >> shift); 2258 rect->sort(); 2259} 2260 2261static void dumpRect(const SkIRect& r) { 2262 SkDebugf(" { %d, %d, %d, %d },\n", 2263 r.fLeft, r.fTop, 2264 r.fRight, r.fBottom); 2265} 2266 2267static void test_rects(const SkIRect rect[], int count) { 2268 SkRegion rgn0, rgn1; 2269 2270 for (int i = 0; i < count; i++) { 2271 rgn0.op(rect[i], SkRegion::kUnion_Op); 2272 // dumpRect(rect[i]); 2273 } 2274 rgn1.setRects(rect, count); 2275 2276 if (rgn0 != rgn1) { 2277 SkDebugf("\n"); 2278 for (int i = 0; i < count; i++) { 2279 dumpRect(rect[i]); 2280 } 2281 SkDebugf("\n"); 2282 } 2283} 2284 2285static void test() { 2286 size_t i; 2287 2288 const SkIRect r0[] = { 2289 { 0, 0, 1, 1 }, 2290 { 2, 2, 3, 3 }, 2291 }; 2292 const SkIRect r1[] = { 2293 { 0, 0, 1, 3 }, 2294 { 1, 1, 2, 2 }, 2295 { 2, 0, 3, 3 }, 2296 }; 2297 const SkIRect r2[] = { 2298 { 0, 0, 1, 2 }, 2299 { 2, 1, 3, 3 }, 2300 { 4, 0, 5, 1 }, 2301 { 6, 0, 7, 4 }, 2302 }; 2303 2304 static const struct { 2305 const SkIRect* fRects; 2306 int fCount; 2307 } gRecs[] = { 2308 { r0, SK_ARRAY_COUNT(r0) }, 2309 { r1, SK_ARRAY_COUNT(r1) }, 2310 { r2, SK_ARRAY_COUNT(r2) }, 2311 }; 2312 2313 for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { 2314 test_rects(gRecs[i].fRects, gRecs[i].fCount); 2315 } 2316 2317 SkRandom rand; 2318 for (i = 0; i < 10000; i++) { 2319 SkRegion rgn0, rgn1; 2320 2321 const int N = 8; 2322 SkIRect rect[N]; 2323 for (int j = 0; j < N; j++) { 2324 rand_rect(&rect[j], rand); 2325 } 2326 test_rects(rect, N); 2327 } 2328} 2329 2330SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { 2331// test(); 2332 return new SampleWindow(hwnd, argc, argv, NULL); 2333} 2334 2335void get_preferred_size(int* x, int* y, int* width, int* height) { 2336 *x = 10; 2337 *y = 50; 2338 *width = 640; 2339 *height = 480; 2340} 2341 2342void application_init() { 2343// setenv("ANDROID_ROOT", "../../../data", 0); 2344#ifdef SK_BUILD_FOR_MAC 2345 setenv("ANDROID_ROOT", "/android/device/data", 0); 2346#endif 2347 SkGraphics::Init(); 2348 SkEvent::Init(); 2349} 2350 2351void application_term() { 2352 SkEvent::Term(); 2353 SkGraphics::Term(); 2354} 2355