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 8 #include "SampleApp.h" 9 10 #include "OverView.h" 11 #include "Resources.h" 12 #include "SampleCode.h" 13 #include "SamplePipeControllers.h" 14 #include "SkCanvas.h" 15 #include "SkCommandLineFlags.h" 16 #include "SkData.h" 17 #include "SkDevice.h" 18 #include "SkGPipe.h" 19 #include "SkGraphics.h" 20 #include "SkImageEncoder.h" 21 #include "SkOSFile.h" 22 #include "SkPDFDevice.h" 23 #include "SkPDFDocument.h" 24 #include "SkPaint.h" 25 #include "SkPicture.h" 26 #include "SkPictureRecorder.h" 27 #include "SkStream.h" 28 #include "SkSurface.h" 29 #include "SkTSort.h" 30 #include "SkTime.h" 31 #include "SkTypeface.h" 32 #include "SkWindow.h" 33 #include "TransitionView.h" 34 #include "sk_tool_utils.h" 35 36 #if SK_SUPPORT_GPU 37 #include "gl/GrGLInterface.h" 38 #include "gl/GrGLUtil.h" 39 #include "GrRenderTarget.h" 40 #include "GrContext.h" 41 #include "SkGpuDevice.h" 42 #else 43 class GrContext; 44 #endif 45 46 extern SampleView* CreateSamplePictFileView(const char filename[]); 47 48 class PictFileFactory : public SkViewFactory { 49 SkString fFilename; 50 public: 51 PictFileFactory(const SkString& filename) : fFilename(filename) {} 52 virtual SkView* operator() () const SK_OVERRIDE { 53 return CreateSamplePictFileView(fFilename.c_str()); 54 } 55 }; 56 57 #ifdef SAMPLE_PDF_FILE_VIEWER 58 extern SampleView* CreateSamplePdfFileViewer(const char filename[]); 59 60 class PdfFileViewerFactory : public SkViewFactory { 61 SkString fFilename; 62 public: 63 PdfFileViewerFactory(const SkString& filename) : fFilename(filename) {} 64 virtual SkView* operator() () const SK_OVERRIDE { 65 return CreateSamplePdfFileViewer(fFilename.c_str()); 66 } 67 }; 68 #endif // SAMPLE_PDF_FILE_VIEWER 69 70 #define PIPE_FILEx 71 #ifdef PIPE_FILE 72 #define FILE_PATH "/path/to/drawing.data" 73 #endif 74 75 #define PIPE_NETx 76 #ifdef PIPE_NET 77 #include "SkSockets.h" 78 SkTCPServer gServer; 79 #endif 80 81 #define USE_ARROWS_FOR_ZOOM true 82 83 #if SK_ANGLE 84 //#define DEFAULT_TO_ANGLE 1 85 #else 86 #define DEFAULT_TO_GPU 0 // if 1 default rendering is on GPU 87 #endif 88 89 #define ANIMATING_EVENTTYPE "nextSample" 90 #define ANIMATING_DELAY 250 91 92 #ifdef SK_DEBUG 93 #define FPS_REPEAT_MULTIPLIER 1 94 #else 95 #define FPS_REPEAT_MULTIPLIER 10 96 #endif 97 #define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER) 98 99 static SampleWindow* gSampleWindow; 100 101 static bool gShowGMBounds; 102 103 static void post_event_to_sink(SkEvent* evt, SkEventSink* sink) { 104 evt->setTargetID(sink->getSinkID())->post(); 105 } 106 107 /////////////////////////////////////////////////////////////////////////////// 108 109 static const char* skip_until(const char* str, const char* skip) { 110 if (!str) { 111 return NULL; 112 } 113 return strstr(str, skip); 114 } 115 116 static const char* skip_past(const char* str, const char* skip) { 117 const char* found = skip_until(str, skip); 118 if (!found) { 119 return NULL; 120 } 121 return found + strlen(skip); 122 } 123 124 static const char* gPrefFileName = "sampleapp_prefs.txt"; 125 126 static bool readTitleFromPrefs(SkString* title) { 127 SkFILEStream stream(gPrefFileName); 128 if (!stream.isValid()) { 129 return false; 130 } 131 132 size_t len = stream.getLength(); 133 SkString data(len); 134 stream.read(data.writable_str(), len); 135 const char* s = data.c_str(); 136 137 s = skip_past(s, "curr-slide-title"); 138 s = skip_past(s, "="); 139 s = skip_past(s, "\""); 140 const char* stop = skip_until(s, "\""); 141 if (stop > s) { 142 title->set(s, stop - s); 143 return true; 144 } 145 return false; 146 } 147 148 static void writeTitleToPrefs(const char* title) { 149 SkFILEWStream stream(gPrefFileName); 150 SkString data; 151 data.printf("curr-slide-title = \"%s\"\n", title); 152 stream.write(data.c_str(), data.size()); 153 } 154 155 /////////////////////////////////////////////////////////////////////////////// 156 157 class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager { 158 public: 159 160 DefaultDeviceManager() { 161 #if SK_SUPPORT_GPU 162 fCurContext = NULL; 163 fCurIntf = NULL; 164 fCurRenderTarget = NULL; 165 fMSAASampleCount = 0; 166 #endif 167 fBackend = kNone_BackEndType; 168 } 169 170 virtual ~DefaultDeviceManager() { 171 #if SK_SUPPORT_GPU 172 SkSafeUnref(fCurContext); 173 SkSafeUnref(fCurIntf); 174 SkSafeUnref(fCurRenderTarget); 175 #endif 176 } 177 178 virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) { 179 SkASSERT(kNone_BackEndType == fBackend); 180 181 fBackend = kNone_BackEndType; 182 183 #if SK_SUPPORT_GPU 184 switch (win->getDeviceType()) { 185 case kRaster_DeviceType: 186 // fallthrough 187 case kPicture_DeviceType: 188 // fallthrough 189 case kGPU_DeviceType: 190 // fallthrough 191 case kNullGPU_DeviceType: 192 // all these guys use the native backend 193 fBackend = kNativeGL_BackEndType; 194 break; 195 #if SK_ANGLE 196 case kANGLE_DeviceType: 197 // ANGLE is really the only odd man out 198 fBackend = kANGLE_BackEndType; 199 break; 200 #endif // SK_ANGLE 201 default: 202 SkASSERT(false); 203 break; 204 } 205 AttachmentInfo attachmentInfo; 206 bool result = win->attach(fBackend, msaaSampleCount, &attachmentInfo); 207 if (!result) { 208 SkDebugf("Failed to initialize GL"); 209 return; 210 } 211 fMSAASampleCount = msaaSampleCount; 212 213 SkASSERT(NULL == fCurIntf); 214 SkAutoTUnref<const GrGLInterface> glInterface; 215 switch (win->getDeviceType()) { 216 case kRaster_DeviceType: 217 // fallthrough 218 case kPicture_DeviceType: 219 // fallthrough 220 case kGPU_DeviceType: 221 // all these guys use the native interface 222 glInterface.reset(GrGLCreateNativeInterface()); 223 break; 224 #if SK_ANGLE 225 case kANGLE_DeviceType: 226 glInterface.reset(GrGLCreateANGLEInterface()); 227 break; 228 #endif // SK_ANGLE 229 case kNullGPU_DeviceType: 230 glInterface.reset(GrGLCreateNullInterface()); 231 break; 232 default: 233 SkASSERT(false); 234 break; 235 } 236 237 // Currently SampleApp does not use NVPR. TODO: Provide an NVPR device type that is skipped 238 // when the driver doesn't support NVPR. 239 fCurIntf = GrGLInterfaceRemoveNVPR(glInterface.get()); 240 241 SkASSERT(NULL == fCurContext); 242 fCurContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext) fCurIntf); 243 244 if (NULL == fCurContext || NULL == fCurIntf) { 245 // We need some context and interface to see results 246 SkSafeUnref(fCurContext); 247 SkSafeUnref(fCurIntf); 248 fCurContext = NULL; 249 fCurIntf = NULL; 250 SkDebugf("Failed to setup 3D"); 251 252 win->detach(); 253 } 254 #endif // SK_SUPPORT_GPU 255 // call windowSizeChanged to create the render target 256 this->windowSizeChanged(win); 257 } 258 259 virtual void tearDownBackend(SampleWindow *win) { 260 #if SK_SUPPORT_GPU 261 SkSafeUnref(fCurContext); 262 fCurContext = NULL; 263 264 SkSafeUnref(fCurIntf); 265 fCurIntf = NULL; 266 267 SkSafeUnref(fCurRenderTarget); 268 fCurRenderTarget = NULL; 269 #endif 270 win->detach(); 271 fBackend = kNone_BackEndType; 272 } 273 274 virtual SkSurface* createSurface(SampleWindow::DeviceType dType, 275 SampleWindow* win) SK_OVERRIDE { 276 #if SK_SUPPORT_GPU 277 if (IsGpuDeviceType(dType) && fCurContext) { 278 return SkSurface::NewRenderTargetDirect(fCurRenderTarget); 279 } 280 #endif 281 return NULL; 282 } 283 284 virtual void publishCanvas(SampleWindow::DeviceType dType, 285 SkCanvas* canvas, 286 SampleWindow* win) { 287 #if SK_SUPPORT_GPU 288 if (fCurContext) { 289 // in case we have queued drawing calls 290 fCurContext->flush(); 291 292 if (!IsGpuDeviceType(dType)) { 293 // need to send the raster bits to the (gpu) window 294 fCurContext->setRenderTarget(fCurRenderTarget); 295 const SkBitmap& bm = win->getBitmap(); 296 fCurRenderTarget->writePixels(0, 0, bm.width(), bm.height(), 297 SkImageInfo2GrPixelConfig(bm.colorType(), 298 bm.alphaType()), 299 bm.getPixels(), 300 bm.rowBytes()); 301 } 302 } 303 #endif 304 305 win->present(); 306 } 307 308 virtual void windowSizeChanged(SampleWindow* win) { 309 #if SK_SUPPORT_GPU 310 if (fCurContext) { 311 AttachmentInfo attachmentInfo; 312 win->attach(fBackend, fMSAASampleCount, &attachmentInfo); 313 314 GrBackendRenderTargetDesc desc; 315 desc.fWidth = SkScalarRoundToInt(win->width()); 316 desc.fHeight = SkScalarRoundToInt(win->height()); 317 desc.fConfig = kSkia8888_GrPixelConfig; 318 desc.fOrigin = kBottomLeft_GrSurfaceOrigin; 319 desc.fSampleCnt = attachmentInfo.fSampleCount; 320 desc.fStencilBits = attachmentInfo.fStencilBits; 321 GrGLint buffer; 322 GR_GL_GetIntegerv(fCurIntf, GR_GL_FRAMEBUFFER_BINDING, &buffer); 323 desc.fRenderTargetHandle = buffer; 324 325 SkSafeUnref(fCurRenderTarget); 326 fCurRenderTarget = fCurContext->wrapBackendRenderTarget(desc); 327 } 328 #endif 329 } 330 331 virtual GrContext* getGrContext() { 332 #if SK_SUPPORT_GPU 333 return fCurContext; 334 #else 335 return NULL; 336 #endif 337 } 338 339 virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE { 340 #if SK_SUPPORT_GPU 341 return fCurRenderTarget; 342 #else 343 return NULL; 344 #endif 345 } 346 347 private: 348 349 #if SK_SUPPORT_GPU 350 GrContext* fCurContext; 351 const GrGLInterface* fCurIntf; 352 GrRenderTarget* fCurRenderTarget; 353 int fMSAASampleCount; 354 #endif 355 356 SkOSWindow::SkBackEndTypes fBackend; 357 358 typedef SampleWindow::DeviceManager INHERITED; 359 }; 360 361 /////////////// 362 static const char view_inval_msg[] = "view-inval-msg"; 363 364 void SampleWindow::postInvalDelay() { 365 (new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1); 366 } 367 368 static bool isInvalEvent(const SkEvent& evt) { 369 return evt.isType(view_inval_msg); 370 } 371 ////////////////// 372 373 SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func) 374 : fCreateFunc(func) { 375 } 376 377 SkView* SkFuncViewFactory::operator() () const { 378 return (*fCreateFunc)(); 379 } 380 381 #include "GMSampleView.h" 382 383 SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func) 384 : fFunc(func) { 385 } 386 387 SkView* SkGMSampleViewFactory::operator() () const { 388 skiagm::GM* gm = fFunc(NULL); 389 gm->setMode(skiagm::GM::kSample_Mode); 390 return new GMSampleView(gm); 391 } 392 393 SkViewRegister* SkViewRegister::gHead; 394 SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) { 395 fFact->ref(); 396 fChain = gHead; 397 gHead = this; 398 } 399 400 SkViewRegister::SkViewRegister(SkViewCreateFunc func) { 401 fFact = new SkFuncViewFactory(func); 402 fChain = gHead; 403 gHead = this; 404 } 405 406 SkViewRegister::SkViewRegister(GMFactoryFunc func) { 407 fFact = new SkGMSampleViewFactory(func); 408 fChain = gHead; 409 gHead = this; 410 } 411 412 class AutoUnrefArray { 413 public: 414 AutoUnrefArray() {} 415 ~AutoUnrefArray() { 416 int count = fObjs.count(); 417 for (int i = 0; i < count; ++i) { 418 fObjs[i]->unref(); 419 } 420 } 421 SkRefCnt*& push_back() { return *fObjs.append(); } 422 423 private: 424 SkTDArray<SkRefCnt*> fObjs; 425 }; 426 427 // registers GMs as Samples 428 // This can't be performed during static initialization because it could be 429 // run before GMRegistry has been fully built. 430 static void SkGMRegistyToSampleRegistry() { 431 static bool gOnce; 432 static AutoUnrefArray fRegisters; 433 434 if (!gOnce) { 435 const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head(); 436 while (gmreg) { 437 fRegisters.push_back() = new SkViewRegister(gmreg->factory()); 438 gmreg = gmreg->next(); 439 } 440 gOnce = true; 441 } 442 } 443 444 ////////////////////////////////////////////////////////////////////////////// 445 446 enum FlipAxisEnum { 447 kFlipAxis_X = (1 << 0), 448 kFlipAxis_Y = (1 << 1) 449 }; 450 451 #include "SkDrawFilter.h" 452 453 struct HintingState { 454 SkPaint::Hinting hinting; 455 const char* name; 456 const char* label; 457 }; 458 static HintingState gHintingStates[] = { 459 {SkPaint::kNo_Hinting, "Mixed", NULL }, 460 {SkPaint::kNo_Hinting, "None", "H0 " }, 461 {SkPaint::kSlight_Hinting, "Slight", "Hs " }, 462 {SkPaint::kNormal_Hinting, "Normal", "Hn " }, 463 {SkPaint::kFull_Hinting, "Full", "Hf " }, 464 }; 465 466 struct FilterLevelState { 467 SkPaint::FilterLevel fLevel; 468 const char* fName; 469 const char* fLabel; 470 }; 471 static FilterLevelState gFilterLevelStates[] = { 472 { SkPaint::kNone_FilterLevel, "Mixed", NULL }, 473 { SkPaint::kNone_FilterLevel, "None", "F0 " }, 474 { SkPaint::kLow_FilterLevel, "Low", "F1 " }, 475 { SkPaint::kMedium_FilterLevel, "Medium", "F2 " }, 476 { SkPaint::kHigh_FilterLevel, "High", "F3 " }, 477 }; 478 479 class FlagsDrawFilter : public SkDrawFilter { 480 public: 481 FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, 482 SkOSMenu::TriState subpixel, int hinting, int filterlevel) 483 : fLCDState(lcd) 484 , fAAState(aa) 485 , fSubpixelState(subpixel) 486 , fHintingState(hinting) 487 , fFilterLevelIndex(filterlevel) 488 { 489 SkASSERT((unsigned)filterlevel < SK_ARRAY_COUNT(gFilterLevelStates)); 490 } 491 492 virtual bool filter(SkPaint* paint, Type t) { 493 if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) { 494 paint->setLCDRenderText(SkOSMenu::kOnState == fLCDState); 495 } 496 if (SkOSMenu::kMixedState != fAAState) { 497 paint->setAntiAlias(SkOSMenu::kOnState == fAAState); 498 } 499 if (0 != fFilterLevelIndex) { 500 paint->setFilterLevel(gFilterLevelStates[fFilterLevelIndex].fLevel); 501 } 502 if (SkOSMenu::kMixedState != fSubpixelState) { 503 paint->setSubpixelText(SkOSMenu::kOnState == fSubpixelState); 504 } 505 if (0 != fHintingState && fHintingState < (int)SK_ARRAY_COUNT(gHintingStates)) { 506 paint->setHinting(gHintingStates[fHintingState].hinting); 507 } 508 return true; 509 } 510 511 private: 512 SkOSMenu::TriState fLCDState; 513 SkOSMenu::TriState fAAState; 514 SkOSMenu::TriState fSubpixelState; 515 int fHintingState; 516 int fFilterLevelIndex; 517 }; 518 519 ////////////////////////////////////////////////////////////////////////////// 520 521 #define MAX_ZOOM_LEVEL 8 522 #define MIN_ZOOM_LEVEL -8 523 524 static const char gCharEvtName[] = "SampleCode_Char_Event"; 525 static const char gKeyEvtName[] = "SampleCode_Key_Event"; 526 static const char gTitleEvtName[] = "SampleCode_Title_Event"; 527 static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; 528 static const char gFastTextEvtName[] = "SampleCode_FastText_Event"; 529 static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle"; 530 531 bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) { 532 if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) { 533 if (outUni) { 534 *outUni = evt.getFast32(); 535 } 536 return true; 537 } 538 return false; 539 } 540 541 bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) { 542 if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) { 543 if (outKey) { 544 *outKey = (SkKey)evt.getFast32(); 545 } 546 return true; 547 } 548 return false; 549 } 550 551 bool SampleCode::TitleQ(const SkEvent& evt) { 552 return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); 553 } 554 555 void SampleCode::TitleR(SkEvent* evt, const char title[]) { 556 SkASSERT(evt && TitleQ(*evt)); 557 evt->setString(gTitleEvtName, title); 558 } 559 560 bool SampleCode::RequestTitle(SkView* view, SkString* title) { 561 SkEvent evt(gTitleEvtName); 562 if (view->doQuery(&evt)) { 563 title->set(evt.findString(gTitleEvtName)); 564 return true; 565 } 566 return false; 567 } 568 569 bool SampleCode::PrefSizeQ(const SkEvent& evt) { 570 return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); 571 } 572 573 void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { 574 SkASSERT(evt && PrefSizeQ(*evt)); 575 SkScalar size[2]; 576 size[0] = width; 577 size[1] = height; 578 evt->setScalars(gPrefSizeEvtName, 2, size); 579 } 580 581 bool SampleCode::FastTextQ(const SkEvent& evt) { 582 return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1); 583 } 584 585 /////////////////////////////////////////////////////////////////////////////// 586 587 static SkMSec gAnimTime; 588 static SkMSec gAnimTimePrev; 589 590 SkMSec SampleCode::GetAnimTime() { return gAnimTime; } 591 SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; } 592 SkScalar SampleCode::GetAnimSecondsDelta() { 593 return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0); 594 } 595 596 SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) { 597 // since gAnimTime can be up to 32 bits, we can't convert it to a float 598 // or we'll lose the low bits. Hence we use doubles for the intermediate 599 // calculations 600 double seconds = (double)gAnimTime / 1000.0; 601 double value = SkScalarToDouble(speed) * seconds; 602 if (period) { 603 value = ::fmod(value, SkScalarToDouble(period)); 604 } 605 return SkDoubleToScalar(value); 606 } 607 608 SkScalar SampleCode::GetAnimSinScalar(SkScalar amplitude, 609 SkScalar periodInSec, 610 SkScalar phaseInSec) { 611 if (!periodInSec) { 612 return 0; 613 } 614 double t = (double)gAnimTime / 1000.0 + phaseInSec; 615 t *= SkScalarToFloat(2 * SK_ScalarPI) / periodInSec; 616 amplitude = SK_ScalarHalf * amplitude; 617 return SkScalarMul(amplitude, SkDoubleToScalar(sin(t))) + amplitude; 618 } 619 620 enum TilingMode { 621 kNo_Tiling, 622 kAbs_128x128_Tiling, 623 kAbs_256x256_Tiling, 624 kRel_4x4_Tiling, 625 kRel_1x16_Tiling, 626 kRel_16x1_Tiling, 627 628 kLast_TilingMode_Enum 629 }; 630 631 struct TilingInfo { 632 const char* label; 633 SkScalar w, h; 634 }; 635 636 static const struct TilingInfo gTilingInfo[] = { 637 { "No tiling", SK_Scalar1 , SK_Scalar1 }, // kNo_Tiling 638 { "128x128" , SkIntToScalar(128), SkIntToScalar(128) }, // kAbs_128x128_Tiling 639 { "256x256" , SkIntToScalar(256), SkIntToScalar(256) }, // kAbs_256x256_Tiling 640 { "1/4x1/4" , SK_Scalar1 / 4 , SK_Scalar1 / 4 }, // kRel_4x4_Tiling 641 { "1/1x1/16" , SK_Scalar1 , SK_Scalar1 / 16 }, // kRel_1x16_Tiling 642 { "1/16x1/1" , SK_Scalar1 / 16 , SK_Scalar1 }, // kRel_16x1_Tiling 643 }; 644 SK_COMPILE_ASSERT((SK_ARRAY_COUNT(gTilingInfo) == kLast_TilingMode_Enum), 645 Incomplete_tiling_labels); 646 647 SkSize SampleWindow::tileSize() const { 648 SkASSERT((TilingMode)fTilingMode < kLast_TilingMode_Enum); 649 const struct TilingInfo* info = gTilingInfo + fTilingMode; 650 return SkSize::Make(info->w > SK_Scalar1 ? info->w : this->width() * info->w, 651 info->h > SK_Scalar1 ? info->h : this->height() * info->h); 652 } 653 ////////////////////////////////////////////////////////////////////////////// 654 655 static SkView* curr_view(SkWindow* wind) { 656 SkView::F2BIter iter(wind); 657 return iter.next(); 658 } 659 660 static bool curr_title(SkWindow* wind, SkString* title) { 661 SkView* view = curr_view(wind); 662 if (view) { 663 SkEvent evt(gTitleEvtName); 664 if (view->doQuery(&evt)) { 665 title->set(evt.findString(gTitleEvtName)); 666 return true; 667 } 668 } 669 return false; 670 } 671 672 void SampleWindow::setZoomCenter(float x, float y) 673 { 674 fZoomCenterX = x; 675 fZoomCenterY = y; 676 } 677 678 bool SampleWindow::zoomIn() 679 { 680 // Arbitrarily decided 681 if (fFatBitsScale == 25) return false; 682 fFatBitsScale++; 683 this->inval(NULL); 684 return true; 685 } 686 687 bool SampleWindow::zoomOut() 688 { 689 if (fFatBitsScale == 1) return false; 690 fFatBitsScale--; 691 this->inval(NULL); 692 return true; 693 } 694 695 void SampleWindow::updatePointer(int x, int y) 696 { 697 fMouseX = x; 698 fMouseY = y; 699 if (fShowZoomer) { 700 this->inval(NULL); 701 } 702 } 703 704 static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) { 705 static const SampleWindow::DeviceType gCT[] = { 706 SampleWindow::kPicture_DeviceType, 707 #if SK_SUPPORT_GPU 708 SampleWindow::kGPU_DeviceType, 709 #if SK_ANGLE 710 SampleWindow::kANGLE_DeviceType, 711 #endif // SK_ANGLE 712 SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling 713 #endif // SK_SUPPORT_GPU 714 SampleWindow::kRaster_DeviceType 715 }; 716 SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gCT) == SampleWindow::kDeviceTypeCnt, array_size_mismatch); 717 return gCT[ct]; 718 } 719 720 static SkString getSampleTitle(const SkViewFactory* sampleFactory) { 721 SkView* view = (*sampleFactory)(); 722 SkString title; 723 SampleCode::RequestTitle(view, &title); 724 view->unref(); 725 return title; 726 } 727 728 static bool compareSampleTitle(const SkViewFactory* first, const SkViewFactory* second) { 729 return strcmp(getSampleTitle(first).c_str(), getSampleTitle(second).c_str()) < 0; 730 } 731 732 DEFINE_string(slide, "", "Start on this sample."); 733 DEFINE_int32(msaa, 0, "Request multisampling with this count."); 734 DEFINE_string(pictureDir, "", "Read pictures from here."); 735 DEFINE_string(picture, "", "Path to single picture."); 736 DEFINE_bool(sort, false, "Sort samples by title."); 737 DEFINE_bool(list, false, "List samples?"); 738 #ifdef SAMPLE_PDF_FILE_VIEWER 739 DEFINE_string(pdfPath, "", "Path to direcotry of pdf files."); 740 #endif 741 742 SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager) 743 : INHERITED(hwnd) 744 , fDevManager(NULL) { 745 746 SkCommandLineFlags::Parse(argc, argv); 747 748 fCurrIndex = -1; 749 750 if (!FLAGS_pictureDir.isEmpty()) { 751 SkOSFile::Iter iter(FLAGS_pictureDir[0], "skp"); 752 SkString filename; 753 while (iter.next(&filename)) { 754 *fSamples.append() = new PictFileFactory( 755 SkOSPath::Join(FLAGS_pictureDir[0], filename.c_str())); 756 } 757 } 758 if (!FLAGS_picture.isEmpty()) { 759 SkString path(FLAGS_picture[0]); 760 fCurrIndex = fSamples.count(); 761 *fSamples.append() = new PictFileFactory(path); 762 } 763 #ifdef SAMPLE_PDF_FILE_VIEWER 764 if (!FLAGS_pdfPath.isEmpty()) { 765 SkOSFile::Iter iter(FLAGS_pdfPath[0], "pdf"); 766 SkString filename; 767 while (iter.next(&filename)) { 768 *fSamples.append() = new PdfFileViewerFactory( 769 SkOSPath::Join(FLAGS_pictureDir[0], filename.c_str())); 770 } 771 } 772 #endif 773 SkGMRegistyToSampleRegistry(); 774 { 775 const SkViewRegister* reg = SkViewRegister::Head(); 776 while (reg) { 777 *fSamples.append() = reg->factory(); 778 reg = reg->next(); 779 } 780 } 781 782 if (FLAGS_sort) { 783 // Sort samples, so foo.skp and foo.pdf are consecutive and we can quickly spot where 784 // skp -> pdf -> png fails. 785 SkTQSort(fSamples.begin(), fSamples.end() ? fSamples.end() - 1 : NULL, compareSampleTitle); 786 } 787 788 if (!FLAGS_slide.isEmpty()) { 789 fCurrIndex = findByTitle(FLAGS_slide[0]); 790 if (fCurrIndex < 0) { 791 fprintf(stderr, "Unknown sample \"%s\"\n", FLAGS_slide[0]); 792 listTitles(); 793 } 794 } 795 796 fMSAASampleCount = FLAGS_msaa; 797 798 if (FLAGS_list) { 799 listTitles(); 800 } 801 802 if (fCurrIndex < 0) { 803 SkString title; 804 if (readTitleFromPrefs(&title)) { 805 fCurrIndex = findByTitle(title.c_str()); 806 } 807 } 808 809 if (fCurrIndex < 0) { 810 fCurrIndex = 0; 811 } 812 813 gSampleWindow = this; 814 815 #ifdef PIPE_FILE 816 //Clear existing file or create file if it doesn't exist 817 FILE* f = fopen(FILE_PATH, "wb"); 818 fclose(f); 819 #endif 820 821 fDeviceType = kRaster_DeviceType; 822 823 #if DEFAULT_TO_GPU 824 fDeviceType = kGPU_DeviceType; 825 #endif 826 #if SK_ANGLE && DEFAULT_TO_ANGLE 827 fDeviceType = kANGLE_DeviceType; 828 #endif 829 830 fUseClip = false; 831 fNClip = false; 832 fAnimating = false; 833 fRotate = false; 834 fRotateAnimTime = 0; 835 fPerspAnim = false; 836 fPerspAnimTime = 0; 837 fRequestGrabImage = false; 838 fPipeState = SkOSMenu::kOffState; 839 fTilingMode = kNo_Tiling; 840 fMeasureFPS = false; 841 fLCDState = SkOSMenu::kMixedState; 842 fAAState = SkOSMenu::kMixedState; 843 fSubpixelState = SkOSMenu::kMixedState; 844 fHintingState = 0; 845 fFilterLevelIndex = 0; 846 fFlipAxis = 0; 847 fScrollTestX = fScrollTestY = 0; 848 849 fMouseX = fMouseY = 0; 850 fFatBitsScale = 8; 851 fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold); 852 fShowZoomer = false; 853 854 fZoomLevel = 0; 855 fZoomScale = SK_Scalar1; 856 857 fMagnify = false; 858 859 fSaveToPdf = false; 860 fPdfCanvas = NULL; 861 862 fTransitionNext = 6; 863 fTransitionPrev = 2; 864 865 int sinkID = this->getSinkID(); 866 fAppMenu = new SkOSMenu; 867 fAppMenu->setTitle("Global Settings"); 868 int itemID; 869 870 itemID =fAppMenu->appendList("Device Type", "Device Type", sinkID, 0, 871 "Raster", "Picture", "OpenGL", 872 #if SK_ANGLE 873 "ANGLE", 874 #endif 875 NULL); 876 fAppMenu->assignKeyEquivalentToItem(itemID, 'd'); 877 itemID = fAppMenu->appendTriState("AA", "AA", sinkID, fAAState); 878 fAppMenu->assignKeyEquivalentToItem(itemID, 'b'); 879 itemID = fAppMenu->appendTriState("LCD", "LCD", sinkID, fLCDState); 880 fAppMenu->assignKeyEquivalentToItem(itemID, 'l'); 881 itemID = fAppMenu->appendList("FilterLevel", "FilterLevel", sinkID, fFilterLevelIndex, 882 gFilterLevelStates[0].fName, 883 gFilterLevelStates[1].fName, 884 gFilterLevelStates[2].fName, 885 gFilterLevelStates[3].fName, 886 gFilterLevelStates[4].fName, 887 NULL); 888 fAppMenu->assignKeyEquivalentToItem(itemID, 'n'); 889 itemID = fAppMenu->appendTriState("Subpixel", "Subpixel", sinkID, fSubpixelState); 890 fAppMenu->assignKeyEquivalentToItem(itemID, 's'); 891 itemID = fAppMenu->appendList("Hinting", "Hinting", sinkID, fHintingState, 892 gHintingStates[0].name, 893 gHintingStates[1].name, 894 gHintingStates[2].name, 895 gHintingStates[3].name, 896 gHintingStates[4].name, 897 NULL); 898 fAppMenu->assignKeyEquivalentToItem(itemID, 'h'); 899 900 fUsePipeMenuItemID = fAppMenu->appendTriState("Pipe", "Pipe" , sinkID, 901 fPipeState); 902 fAppMenu->assignKeyEquivalentToItem(fUsePipeMenuItemID, 'P'); 903 904 itemID =fAppMenu->appendList("Tiling", "Tiling", sinkID, fTilingMode, 905 gTilingInfo[kNo_Tiling].label, 906 gTilingInfo[kAbs_128x128_Tiling].label, 907 gTilingInfo[kAbs_256x256_Tiling].label, 908 gTilingInfo[kRel_4x4_Tiling].label, 909 gTilingInfo[kRel_1x16_Tiling].label, 910 gTilingInfo[kRel_16x1_Tiling].label, 911 NULL); 912 fAppMenu->assignKeyEquivalentToItem(itemID, 't'); 913 914 itemID = fAppMenu->appendSwitch("Slide Show", "Slide Show" , sinkID, false); 915 fAppMenu->assignKeyEquivalentToItem(itemID, 'a'); 916 itemID = fAppMenu->appendSwitch("Clip", "Clip" , sinkID, fUseClip); 917 fAppMenu->assignKeyEquivalentToItem(itemID, 'c'); 918 itemID = fAppMenu->appendSwitch("Flip X", "Flip X" , sinkID, false); 919 fAppMenu->assignKeyEquivalentToItem(itemID, 'x'); 920 itemID = fAppMenu->appendSwitch("Flip Y", "Flip Y" , sinkID, false); 921 fAppMenu->assignKeyEquivalentToItem(itemID, 'y'); 922 itemID = fAppMenu->appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer); 923 fAppMenu->assignKeyEquivalentToItem(itemID, 'z'); 924 itemID = fAppMenu->appendSwitch("Magnify", "Magnify" , sinkID, fMagnify); 925 fAppMenu->assignKeyEquivalentToItem(itemID, 'm'); 926 itemID =fAppMenu->appendList("Transition-Next", "Transition-Next", sinkID, 927 fTransitionNext, "Up", "Up and Right", "Right", 928 "Down and Right", "Down", "Down and Left", 929 "Left", "Up and Left", NULL); 930 fAppMenu->assignKeyEquivalentToItem(itemID, 'j'); 931 itemID =fAppMenu->appendList("Transition-Prev", "Transition-Prev", sinkID, 932 fTransitionPrev, "Up", "Up and Right", "Right", 933 "Down and Right", "Down", "Down and Left", 934 "Left", "Up and Left", NULL); 935 fAppMenu->assignKeyEquivalentToItem(itemID, 'k'); 936 itemID = fAppMenu->appendAction("Save to PDF", sinkID); 937 fAppMenu->assignKeyEquivalentToItem(itemID, 'e'); 938 939 this->addMenu(fAppMenu); 940 fSlideMenu = new SkOSMenu; 941 this->addMenu(fSlideMenu); 942 943 this->setColorType(kN32_SkColorType); 944 this->setVisibleP(true); 945 this->setClipToBounds(false); 946 947 this->loadView((*fSamples[fCurrIndex])()); 948 949 fPDFData = NULL; 950 951 if (NULL == devManager) { 952 fDevManager = new DefaultDeviceManager(); 953 } else { 954 devManager->ref(); 955 fDevManager = devManager; 956 } 957 fDevManager->setUpBackend(this, fMSAASampleCount); 958 959 // If another constructor set our dimensions, ensure that our 960 // onSizeChange gets called. 961 if (this->height() && this->width()) { 962 this->onSizeChange(); 963 } 964 965 // can't call this synchronously, since it may require a subclass to 966 // to implement, or the caller may need us to have returned from the 967 // constructor first. Hence we post an event to ourselves. 968 // this->updateTitle(); 969 post_event_to_sink(new SkEvent(gUpdateWindowTitleEvtName), this); 970 } 971 972 SampleWindow::~SampleWindow() { 973 delete fPdfCanvas; 974 SkSafeUnref(fTypeface); 975 SkSafeUnref(fDevManager); 976 } 977 978 979 int SampleWindow::findByTitle(const char title[]) { 980 int i, count = fSamples.count(); 981 for (i = 0; i < count; i++) { 982 if (getSampleTitle(i).equals(title)) { 983 return i; 984 } 985 } 986 return -1; 987 } 988 989 void SampleWindow::listTitles() { 990 int count = fSamples.count(); 991 SkDebugf("All Slides:\n"); 992 for (int i = 0; i < count; i++) { 993 SkDebugf(" %s\n", getSampleTitle(i).c_str()); 994 } 995 } 996 997 static SkBitmap capture_bitmap(SkCanvas* canvas) { 998 SkBitmap bm; 999 if (bm.tryAllocPixels(canvas->imageInfo())) { 1000 canvas->readPixels(&bm, 0, 0); 1001 } 1002 return bm; 1003 } 1004 1005 static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, 1006 SkBitmap* diff) { 1007 SkBitmap src = capture_bitmap(canvas); 1008 1009 SkAutoLockPixels alp0(src); 1010 SkAutoLockPixels alp1(orig); 1011 for (int y = 0; y < src.height(); y++) { 1012 const void* srcP = src.getAddr(0, y); 1013 const void* origP = orig.getAddr(0, y); 1014 size_t bytes = src.width() * src.bytesPerPixel(); 1015 if (memcmp(srcP, origP, bytes)) { 1016 SkDebugf("---------- difference on line %d\n", y); 1017 return true; 1018 } 1019 } 1020 return false; 1021 } 1022 1023 static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint) 1024 { 1025 SkColor desiredColor = paint.getColor(); 1026 paint.setColor(SK_ColorWHITE); 1027 const char* c_str = string.c_str(); 1028 size_t size = string.size(); 1029 SkRect bounds; 1030 paint.measureText(c_str, size, &bounds); 1031 bounds.offset(left, top); 1032 SkScalar inset = SkIntToScalar(-2); 1033 bounds.inset(inset, inset); 1034 canvas->drawRect(bounds, paint); 1035 if (desiredColor != SK_ColorBLACK) { 1036 paint.setColor(SK_ColorBLACK); 1037 canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint); 1038 } 1039 paint.setColor(desiredColor); 1040 canvas->drawText(c_str, size, left, top, paint); 1041 } 1042 1043 #define XCLIP_N 8 1044 #define YCLIP_N 8 1045 1046 void SampleWindow::draw(SkCanvas* canvas) { 1047 // update the animation time 1048 if (!gAnimTimePrev && !gAnimTime) { 1049 // first time make delta be 0 1050 gAnimTime = SkTime::GetMSecs(); 1051 gAnimTimePrev = gAnimTime; 1052 } else { 1053 gAnimTimePrev = gAnimTime; 1054 gAnimTime = SkTime::GetMSecs(); 1055 } 1056 1057 if (fGesture.isActive()) { 1058 this->updateMatrix(); 1059 } 1060 1061 if (fMeasureFPS) { 1062 fMeasureFPS_Time = 0; 1063 } 1064 1065 if (fNClip) { 1066 this->INHERITED::draw(canvas); 1067 SkBitmap orig = capture_bitmap(canvas); 1068 1069 const SkScalar w = this->width(); 1070 const SkScalar h = this->height(); 1071 const SkScalar cw = w / XCLIP_N; 1072 const SkScalar ch = h / YCLIP_N; 1073 for (int y = 0; y < YCLIP_N; y++) { 1074 SkRect r; 1075 r.fTop = y * ch; 1076 r.fBottom = (y + 1) * ch; 1077 if (y == YCLIP_N - 1) { 1078 r.fBottom = h; 1079 } 1080 for (int x = 0; x < XCLIP_N; x++) { 1081 SkAutoCanvasRestore acr(canvas, true); 1082 r.fLeft = x * cw; 1083 r.fRight = (x + 1) * cw; 1084 if (x == XCLIP_N - 1) { 1085 r.fRight = w; 1086 } 1087 canvas->clipRect(r); 1088 this->INHERITED::draw(canvas); 1089 } 1090 } 1091 1092 SkBitmap diff; 1093 if (bitmap_diff(canvas, orig, &diff)) { 1094 } 1095 } else { 1096 SkSize tile = this->tileSize(); 1097 1098 if (kNo_Tiling == fTilingMode) { 1099 this->INHERITED::draw(canvas); // no looping or surfaces needed 1100 } else { 1101 const int w = SkScalarRoundToInt(tile.width()); 1102 const int h = SkScalarRoundToInt(tile.height()); 1103 SkImageInfo info = SkImageInfo::MakeN32Premul(w, h); 1104 SkAutoTUnref<SkSurface> surface(canvas->newSurface(info)); 1105 SkCanvas* tileCanvas = surface->getCanvas(); 1106 1107 for (SkScalar y = 0; y < height(); y += tile.height()) { 1108 for (SkScalar x = 0; x < width(); x += tile.width()) { 1109 SkAutoCanvasRestore acr(tileCanvas, true); 1110 tileCanvas->translate(-x, -y); 1111 tileCanvas->clear(0); 1112 this->INHERITED::draw(tileCanvas); 1113 surface->draw(canvas, x, y, NULL); 1114 } 1115 } 1116 1117 // for drawing the borders between tiles 1118 SkPaint paint; 1119 paint.setColor(0x60FF00FF); 1120 paint.setStyle(SkPaint::kStroke_Style); 1121 1122 for (SkScalar y = 0; y < height(); y += tile.height()) { 1123 for (SkScalar x = 0; x < width(); x += tile.width()) { 1124 canvas->drawRect(SkRect::MakeXYWH(x, y, tile.width(), tile.height()), paint); 1125 } 1126 } 1127 } 1128 } 1129 if (fShowZoomer && !fSaveToPdf) { 1130 showZoomer(canvas); 1131 } 1132 if (fMagnify && !fSaveToPdf) { 1133 magnify(canvas); 1134 } 1135 1136 if (fMeasureFPS && fMeasureFPS_Time) { 1137 this->updateTitle(); 1138 this->postInvalDelay(); 1139 } 1140 1141 // do this last 1142 fDevManager->publishCanvas(fDeviceType, canvas, this); 1143 } 1144 1145 static float clipW = 200; 1146 static float clipH = 200; 1147 void SampleWindow::magnify(SkCanvas* canvas) { 1148 SkRect r; 1149 int count = canvas->save(); 1150 1151 SkMatrix m = canvas->getTotalMatrix(); 1152 if (!m.invert(&m)) { 1153 return; 1154 } 1155 SkPoint offset, center; 1156 SkScalar mouseX = fMouseX * SK_Scalar1; 1157 SkScalar mouseY = fMouseY * SK_Scalar1; 1158 m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset); 1159 m.mapXY(mouseX, mouseY, ¢er); 1160 1161 r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX()); 1162 r.offset(offset.fX, offset.fY); 1163 1164 SkPaint paint; 1165 paint.setColor(0xFF66AAEE); 1166 paint.setStyle(SkPaint::kStroke_Style); 1167 paint.setStrokeWidth(10.f * m.getScaleX()); 1168 //lense offset 1169 //canvas->translate(0, -250); 1170 canvas->drawRect(r, paint); 1171 canvas->clipRect(r); 1172 1173 m = canvas->getTotalMatrix(); 1174 m.setTranslate(-center.fX, -center.fY); 1175 m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale); 1176 m.postTranslate(center.fX, center.fY); 1177 canvas->concat(m); 1178 1179 this->INHERITED::draw(canvas); 1180 1181 canvas->restoreToCount(count); 1182 } 1183 1184 void SampleWindow::showZoomer(SkCanvas* canvas) { 1185 int count = canvas->save(); 1186 canvas->resetMatrix(); 1187 // Ensure the mouse position is on screen. 1188 int width = SkScalarRoundToInt(this->width()); 1189 int height = SkScalarRoundToInt(this->height()); 1190 if (fMouseX >= width) fMouseX = width - 1; 1191 else if (fMouseX < 0) fMouseX = 0; 1192 if (fMouseY >= height) fMouseY = height - 1; 1193 else if (fMouseY < 0) fMouseY = 0; 1194 1195 SkBitmap bitmap = capture_bitmap(canvas); 1196 bitmap.lockPixels(); 1197 1198 // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle. 1199 int zoomedWidth = (width >> 1) | 1; 1200 int zoomedHeight = (height >> 1) | 1; 1201 SkIRect src; 1202 src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale); 1203 src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1)); 1204 SkRect dest; 1205 dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight)); 1206 dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight)); 1207 SkPaint paint; 1208 // Clear the background behind our zoomed in view 1209 paint.setColor(SK_ColorWHITE); 1210 canvas->drawRect(dest, paint); 1211 canvas->drawBitmapRect(bitmap, &src, dest); 1212 paint.setColor(SK_ColorBLACK); 1213 paint.setStyle(SkPaint::kStroke_Style); 1214 // Draw a border around the pixel in the middle 1215 SkRect originalPixel; 1216 originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1)); 1217 SkMatrix matrix; 1218 SkRect scalarSrc; 1219 scalarSrc.set(src); 1220 SkColor color = bitmap.getColor(fMouseX, fMouseY); 1221 if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) { 1222 SkRect pixel; 1223 matrix.mapRect(&pixel, originalPixel); 1224 // TODO Perhaps measure the values and make the outline white if it's "dark" 1225 if (color == SK_ColorBLACK) { 1226 paint.setColor(SK_ColorWHITE); 1227 } 1228 canvas->drawRect(pixel, paint); 1229 } 1230 paint.setColor(SK_ColorBLACK); 1231 // Draw a border around the destination rectangle 1232 canvas->drawRect(dest, paint); 1233 paint.setStyle(SkPaint::kStrokeAndFill_Style); 1234 // Identify the pixel and its color on screen 1235 paint.setTypeface(fTypeface); 1236 paint.setAntiAlias(true); 1237 SkScalar lineHeight = paint.getFontMetrics(NULL); 1238 SkString string; 1239 string.appendf("(%i, %i)", fMouseX, fMouseY); 1240 SkScalar left = dest.fLeft + SkIntToScalar(3); 1241 SkScalar i = SK_Scalar1; 1242 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1243 // Alpha 1244 i += SK_Scalar1; 1245 string.reset(); 1246 string.appendf("A: %X", SkColorGetA(color)); 1247 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1248 // Red 1249 i += SK_Scalar1; 1250 string.reset(); 1251 string.appendf("R: %X", SkColorGetR(color)); 1252 paint.setColor(SK_ColorRED); 1253 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1254 // Green 1255 i += SK_Scalar1; 1256 string.reset(); 1257 string.appendf("G: %X", SkColorGetG(color)); 1258 paint.setColor(SK_ColorGREEN); 1259 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1260 // Blue 1261 i += SK_Scalar1; 1262 string.reset(); 1263 string.appendf("B: %X", SkColorGetB(color)); 1264 paint.setColor(SK_ColorBLUE); 1265 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1266 canvas->restoreToCount(count); 1267 } 1268 1269 void SampleWindow::onDraw(SkCanvas* canvas) { 1270 } 1271 1272 #include "SkColorPriv.h" 1273 1274 void SampleWindow::saveToPdf() 1275 { 1276 fSaveToPdf = true; 1277 this->inval(NULL); 1278 } 1279 1280 SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { 1281 if (fSaveToPdf) { 1282 const SkBitmap bmp = capture_bitmap(canvas); 1283 SkISize size = SkISize::Make(bmp.width(), bmp.height()); 1284 SkPDFDevice* pdfDevice = new SkPDFDevice(size, size, 1285 canvas->getTotalMatrix()); 1286 fPdfCanvas = new SkCanvas(pdfDevice); 1287 pdfDevice->unref(); 1288 canvas = fPdfCanvas; 1289 } else if (kPicture_DeviceType == fDeviceType) { 1290 canvas = fRecorder.beginRecording(9999, 9999, NULL, 0); 1291 } else { 1292 #if SK_SUPPORT_GPU 1293 if (kNullGPU_DeviceType != fDeviceType) 1294 #endif 1295 { 1296 canvas = this->INHERITED::beforeChildren(canvas); 1297 } 1298 } 1299 1300 if (fUseClip) { 1301 canvas->drawColor(0xFFFF88FF); 1302 canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true); 1303 } 1304 1305 return canvas; 1306 } 1307 1308 #include "SkData.h" 1309 void SampleWindow::afterChildren(SkCanvas* orig) { 1310 if (fSaveToPdf) { 1311 fSaveToPdf = false; 1312 if (fShowZoomer) { 1313 showZoomer(fPdfCanvas); 1314 } 1315 SkString name; 1316 name.printf("%s.pdf", this->getTitle()); 1317 SkPDFDocument doc; 1318 SkPDFDevice* device = NULL;//static_cast<SkPDFDevice*>(fPdfCanvas->getDevice()); 1319 SkASSERT(false); 1320 doc.appendPage(device); 1321 #ifdef SK_BUILD_FOR_ANDROID 1322 name.prepend("/sdcard/"); 1323 #endif 1324 1325 #ifdef SK_BUILD_FOR_IOS 1326 SkDynamicMemoryWStream mstream; 1327 doc.emitPDF(&mstream); 1328 fPDFData = mstream.copyToData(); 1329 #endif 1330 SkFILEWStream stream(name.c_str()); 1331 if (stream.isValid()) { 1332 doc.emitPDF(&stream); 1333 const char* desc = "File saved from Skia SampleApp"; 1334 this->onPDFSaved(this->getTitle(), desc, name.c_str()); 1335 } 1336 1337 delete fPdfCanvas; 1338 fPdfCanvas = NULL; 1339 1340 // We took over the draw calls in order to create the PDF, so we need 1341 // to redraw. 1342 this->inval(NULL); 1343 return; 1344 } 1345 1346 if (fRequestGrabImage) { 1347 fRequestGrabImage = false; 1348 1349 SkBitmap bmp = capture_bitmap(orig); 1350 if (!bmp.isNull()) { 1351 static int gSampleGrabCounter; 1352 SkString name; 1353 name.printf("sample_grab_%d.png", gSampleGrabCounter++); 1354 SkImageEncoder::EncodeFile(name.c_str(), bmp, 1355 SkImageEncoder::kPNG_Type, 100); 1356 } 1357 } 1358 1359 if (kPicture_DeviceType == fDeviceType) { 1360 SkAutoTUnref<const SkPicture> picture(fRecorder.endRecording()); 1361 1362 if (true) { 1363 this->installDrawFilter(orig); 1364 orig->drawPicture(picture); 1365 } else if (true) { 1366 SkDynamicMemoryWStream ostream; 1367 picture->serialize(&ostream); 1368 1369 SkAutoDataUnref data(ostream.copyToData()); 1370 SkMemoryStream istream(data->data(), data->size()); 1371 SkAutoTUnref<SkPicture> pict(SkPicture::CreateFromStream(&istream)); 1372 if (pict.get() != NULL) { 1373 orig->drawPicture(pict.get()); 1374 } 1375 } else { 1376 picture->playback(orig); 1377 } 1378 } 1379 1380 // Do this after presentGL and other finishing, rather than in afterChild 1381 if (fMeasureFPS && fMeasureFPS_StartTime) { 1382 fMeasureFPS_Time += SkTime::GetMSecs() - fMeasureFPS_StartTime; 1383 } 1384 } 1385 1386 void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { 1387 if (fRotate) { 1388 fRotateAnimTime += SampleCode::GetAnimSecondsDelta(); 1389 1390 SkScalar cx = this->width() / 2; 1391 SkScalar cy = this->height() / 2; 1392 canvas->translate(cx, cy); 1393 canvas->rotate(fRotateAnimTime * 10); 1394 canvas->translate(-cx, -cy); 1395 } 1396 1397 if (fPerspAnim) { 1398 fPerspAnimTime += SampleCode::GetAnimSecondsDelta(); 1399 1400 static const SkScalar gAnimPeriod = 10 * SK_Scalar1; 1401 static const SkScalar gAnimMag = SK_Scalar1 / 1000; 1402 SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod); 1403 if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) { 1404 t = gAnimPeriod - t; 1405 } 1406 t = 2 * t - gAnimPeriod; 1407 t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag); 1408 SkMatrix m; 1409 m.reset(); 1410 #if 1 1411 m.setPerspY(t); 1412 #else 1413 m.setPerspY(SK_Scalar1 / 1000); 1414 m.setSkewX(SkScalarDiv(8, 25)); 1415 m.dump(); 1416 #endif 1417 canvas->concat(m); 1418 } 1419 1420 this->installDrawFilter(canvas); 1421 1422 if (fMeasureFPS) { 1423 if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { 1424 fMeasureFPS_StartTime = SkTime::GetMSecs(); 1425 } 1426 } else { 1427 (void)SampleView::SetRepeatDraw(child, 1); 1428 } 1429 if (fPerspAnim || fRotate) { 1430 this->inval(NULL); 1431 } 1432 } 1433 1434 void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { 1435 canvas->setDrawFilter(NULL); 1436 } 1437 1438 static SkColorType gColorTypeCycle[] = { 1439 kUnknown_SkColorType, // none -> none 1440 kUnknown_SkColorType, // a8 -> none 1441 kN32_SkColorType, // 565 -> 8888 1442 kN32_SkColorType, // 4444 -> 8888 1443 kRGB_565_SkColorType, // 8888 -> 565 1444 kRGB_565_SkColorType, // 8888 -> 565 1445 kUnknown_SkColorType, // index8 -> none 1446 }; 1447 1448 static SkColorType cycle_colortypes(SkColorType c) { 1449 return gColorTypeCycle[c]; 1450 } 1451 1452 void SampleWindow::changeZoomLevel(float delta) { 1453 fZoomLevel += delta; 1454 if (fZoomLevel > 0) { 1455 fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL); 1456 fZoomScale = fZoomLevel + SK_Scalar1; 1457 } else if (fZoomLevel < 0) { 1458 fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL); 1459 fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel); 1460 } else { 1461 fZoomScale = SK_Scalar1; 1462 } 1463 this->updateMatrix(); 1464 } 1465 1466 void SampleWindow::updateMatrix(){ 1467 SkMatrix m; 1468 m.reset(); 1469 if (fZoomLevel) { 1470 SkPoint center; 1471 //m = this->getLocalMatrix();//.invert(&m); 1472 m.mapXY(fZoomCenterX, fZoomCenterY, ¢er); 1473 SkScalar cx = center.fX; 1474 SkScalar cy = center.fY; 1475 1476 m.setTranslate(-cx, -cy); 1477 m.postScale(fZoomScale, fZoomScale); 1478 m.postTranslate(cx, cy); 1479 } 1480 1481 if (fFlipAxis) { 1482 m.preTranslate(fZoomCenterX, fZoomCenterY); 1483 if (fFlipAxis & kFlipAxis_X) { 1484 m.preScale(-SK_Scalar1, SK_Scalar1); 1485 } 1486 if (fFlipAxis & kFlipAxis_Y) { 1487 m.preScale(SK_Scalar1, -SK_Scalar1); 1488 } 1489 m.preTranslate(-fZoomCenterX, -fZoomCenterY); 1490 //canvas->concat(m); 1491 } 1492 // Apply any gesture matrix 1493 m.preConcat(fGesture.localM()); 1494 m.preConcat(fGesture.globalM()); 1495 1496 this->setLocalMatrix(m); 1497 1498 this->updateTitle(); 1499 this->inval(NULL); 1500 } 1501 bool SampleWindow::previousSample() { 1502 fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count(); 1503 this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1504 fTransitionPrev)); 1505 return true; 1506 } 1507 1508 bool SampleWindow::nextSample() { 1509 fCurrIndex = (fCurrIndex + 1) % fSamples.count(); 1510 this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1511 fTransitionNext)); 1512 return true; 1513 } 1514 1515 bool SampleWindow::goToSample(int i) { 1516 fCurrIndex = (i) % fSamples.count(); 1517 this->loadView(create_transition(curr_view(this),(*fSamples[fCurrIndex])(), 6)); 1518 return true; 1519 } 1520 1521 SkString SampleWindow::getSampleTitle(int i) { 1522 return ::getSampleTitle(fSamples[i]); 1523 } 1524 1525 int SampleWindow::sampleCount() { 1526 return fSamples.count(); 1527 } 1528 1529 void SampleWindow::showOverview() { 1530 this->loadView(create_transition(curr_view(this), 1531 create_overview(fSamples.count(), fSamples.begin()), 1532 4)); 1533 } 1534 1535 void SampleWindow::installDrawFilter(SkCanvas* canvas) { 1536 canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState, fSubpixelState, 1537 fHintingState, fFilterLevelIndex))->unref(); 1538 } 1539 1540 void SampleWindow::postAnimatingEvent() { 1541 if (fAnimating) { 1542 (new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY); 1543 } 1544 } 1545 1546 bool SampleWindow::onEvent(const SkEvent& evt) { 1547 if (evt.isType(gUpdateWindowTitleEvtName)) { 1548 this->updateTitle(); 1549 return true; 1550 } 1551 if (evt.isType(ANIMATING_EVENTTYPE)) { 1552 if (fAnimating) { 1553 this->nextSample(); 1554 this->postAnimatingEvent(); 1555 } 1556 return true; 1557 } 1558 if (evt.isType("replace-transition-view")) { 1559 this->loadView((SkView*)SkEventSink::FindSink(evt.getFast32())); 1560 return true; 1561 } 1562 if (evt.isType("set-curr-index")) { 1563 this->goToSample(evt.getFast32()); 1564 return true; 1565 } 1566 if (isInvalEvent(evt)) { 1567 this->inval(NULL); 1568 return true; 1569 } 1570 int selected = -1; 1571 if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) { 1572 this->setDeviceType((DeviceType)selected); 1573 return true; 1574 } 1575 if (SkOSMenu::FindTriState(evt, "Pipe", &fPipeState)) { 1576 #ifdef PIPE_NET 1577 if (!fPipeState != SkOSMenu::kOnState) 1578 gServer.disconnectAll(); 1579 #endif 1580 (void)SampleView::SetUsePipe(curr_view(this), fPipeState); 1581 this->updateTitle(); 1582 this->inval(NULL); 1583 return true; 1584 } 1585 if (SkOSMenu::FindSwitchState(evt, "Slide Show", NULL)) { 1586 this->toggleSlideshow(); 1587 return true; 1588 } 1589 if (SkOSMenu::FindTriState(evt, "AA", &fAAState) || 1590 SkOSMenu::FindTriState(evt, "LCD", &fLCDState) || 1591 SkOSMenu::FindListIndex(evt, "FilterLevel", &fFilterLevelIndex) || 1592 SkOSMenu::FindTriState(evt, "Subpixel", &fSubpixelState) || 1593 SkOSMenu::FindListIndex(evt, "Hinting", &fHintingState) || 1594 SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) || 1595 SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) || 1596 SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) || 1597 SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) || 1598 SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) { 1599 this->inval(NULL); 1600 this->updateTitle(); 1601 return true; 1602 } 1603 if (SkOSMenu::FindListIndex(evt, "Tiling", &fTilingMode)) { 1604 if (SampleView::IsSampleView(curr_view(this))) { 1605 ((SampleView*)curr_view(this))->onTileSizeChanged(this->tileSize()); 1606 } 1607 this->inval(NULL); 1608 this->updateTitle(); 1609 return true; 1610 } 1611 if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) { 1612 fFlipAxis ^= kFlipAxis_X; 1613 this->updateMatrix(); 1614 return true; 1615 } 1616 if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) { 1617 fFlipAxis ^= kFlipAxis_Y; 1618 this->updateMatrix(); 1619 return true; 1620 } 1621 if (SkOSMenu::FindAction(evt,"Save to PDF")) { 1622 this->saveToPdf(); 1623 return true; 1624 } 1625 return this->INHERITED::onEvent(evt); 1626 } 1627 1628 bool SampleWindow::onQuery(SkEvent* query) { 1629 if (query->isType("get-slide-count")) { 1630 query->setFast32(fSamples.count()); 1631 return true; 1632 } 1633 if (query->isType("get-slide-title")) { 1634 SkView* view = (*fSamples[query->getFast32()])(); 1635 SkEvent evt(gTitleEvtName); 1636 if (view->doQuery(&evt)) { 1637 query->setString("title", evt.findString(gTitleEvtName)); 1638 } 1639 SkSafeUnref(view); 1640 return true; 1641 } 1642 if (query->isType("use-fast-text")) { 1643 SkEvent evt(gFastTextEvtName); 1644 return curr_view(this)->doQuery(&evt); 1645 } 1646 if (query->isType("ignore-window-bitmap")) { 1647 query->setFast32(this->getGrContext() != NULL); 1648 return true; 1649 } 1650 return this->INHERITED::onQuery(query); 1651 } 1652 1653 #if 0 // UNUSED 1654 static void cleanup_for_filename(SkString* name) { 1655 char* str = name->writable_str(); 1656 for (size_t i = 0; i < name->size(); i++) { 1657 switch (str[i]) { 1658 case ':': str[i] = '-'; break; 1659 case '/': str[i] = '-'; break; 1660 case ' ': str[i] = '_'; break; 1661 default: break; 1662 } 1663 } 1664 } 1665 #endif 1666 1667 DECLARE_bool(portableFonts); 1668 1669 bool SampleWindow::onHandleChar(SkUnichar uni) { 1670 { 1671 SkView* view = curr_view(this); 1672 if (view) { 1673 SkEvent evt(gCharEvtName); 1674 evt.setFast32(uni); 1675 if (view->doQuery(&evt)) { 1676 return true; 1677 } 1678 } 1679 } 1680 1681 int dx = 0xFF; 1682 int dy = 0xFF; 1683 1684 switch (uni) { 1685 case '5': dx = 0; dy = 0; break; 1686 case '8': dx = 0; dy = -1; break; 1687 case '6': dx = 1; dy = 0; break; 1688 case '2': dx = 0; dy = 1; break; 1689 case '4': dx = -1; dy = 0; break; 1690 case '7': dx = -1; dy = -1; break; 1691 case '9': dx = 1; dy = -1; break; 1692 case '3': dx = 1; dy = 1; break; 1693 case '1': dx = -1; dy = 1; break; 1694 1695 default: 1696 break; 1697 } 1698 1699 if (0xFF != dx && 0xFF != dy) { 1700 if ((dx | dy) == 0) { 1701 fScrollTestX = fScrollTestY = 0; 1702 } else { 1703 fScrollTestX += dx; 1704 fScrollTestY += dy; 1705 } 1706 this->inval(NULL); 1707 return true; 1708 } 1709 1710 switch (uni) { 1711 case 'B': 1712 post_event_to_sink(SkNEW_ARGS(SkEvent, ("PictFileView::toggleBBox")), curr_view(this)); 1713 // Cannot call updateTitle() synchronously, because the toggleBBox event is still in 1714 // the queue. 1715 post_event_to_sink(SkNEW_ARGS(SkEvent, (gUpdateWindowTitleEvtName)), this); 1716 this->inval(NULL); 1717 break; 1718 case 'f': 1719 // only 1720 toggleFPS(); 1721 break; 1722 case 'F': 1723 FLAGS_portableFonts ^= true; 1724 this->inval(NULL); 1725 break; 1726 case 'g': 1727 fRequestGrabImage = true; 1728 this->inval(NULL); 1729 break; 1730 case 'G': 1731 gShowGMBounds = !gShowGMBounds; 1732 post_event_to_sink(GMSampleView::NewShowSizeEvt(gShowGMBounds), 1733 curr_view(this)); 1734 this->inval(NULL); 1735 break; 1736 case 'i': 1737 this->zoomIn(); 1738 break; 1739 case 'o': 1740 this->zoomOut(); 1741 break; 1742 case 'r': 1743 fRotate = !fRotate; 1744 fRotateAnimTime = 0; 1745 this->inval(NULL); 1746 this->updateTitle(); 1747 return true; 1748 case 'k': 1749 fPerspAnim = !fPerspAnim; 1750 this->inval(NULL); 1751 this->updateTitle(); 1752 return true; 1753 #if SK_SUPPORT_GPU 1754 case '\\': 1755 this->setDeviceType(kNullGPU_DeviceType); 1756 this->inval(NULL); 1757 this->updateTitle(); 1758 return true; 1759 case 'p': 1760 { 1761 GrContext* grContext = this->getGrContext(); 1762 if (grContext) { 1763 size_t cacheBytes; 1764 grContext->getResourceCacheUsage(NULL, &cacheBytes); 1765 grContext->freeGpuResources(); 1766 SkDebugf("Purged %d bytes from the GPU resource cache.\n", cacheBytes); 1767 } 1768 } 1769 return true; 1770 #endif 1771 default: 1772 break; 1773 } 1774 1775 if (fAppMenu->handleKeyEquivalent(uni)|| fSlideMenu->handleKeyEquivalent(uni)) { 1776 this->onUpdateMenu(fAppMenu); 1777 this->onUpdateMenu(fSlideMenu); 1778 return true; 1779 } 1780 return this->INHERITED::onHandleChar(uni); 1781 } 1782 1783 void SampleWindow::setDeviceType(DeviceType type) { 1784 if (type == fDeviceType) 1785 return; 1786 1787 fDevManager->tearDownBackend(this); 1788 1789 fDeviceType = type; 1790 1791 fDevManager->setUpBackend(this, fMSAASampleCount); 1792 1793 this->updateTitle(); 1794 this->inval(NULL); 1795 } 1796 1797 void SampleWindow::toggleSlideshow() { 1798 fAnimating = !fAnimating; 1799 this->postAnimatingEvent(); 1800 this->updateTitle(); 1801 } 1802 1803 void SampleWindow::toggleRendering() { 1804 this->setDeviceType(cycle_devicetype(fDeviceType)); 1805 this->updateTitle(); 1806 this->inval(NULL); 1807 } 1808 1809 void SampleWindow::toggleFPS() { 1810 fMeasureFPS = !fMeasureFPS; 1811 this->updateTitle(); 1812 this->inval(NULL); 1813 } 1814 1815 #include "SkDumpCanvas.h" 1816 1817 bool SampleWindow::onHandleKey(SkKey key) { 1818 { 1819 SkView* view = curr_view(this); 1820 if (view) { 1821 SkEvent evt(gKeyEvtName); 1822 evt.setFast32(key); 1823 if (view->doQuery(&evt)) { 1824 return true; 1825 } 1826 } 1827 } 1828 switch (key) { 1829 case kRight_SkKey: 1830 if (this->nextSample()) { 1831 return true; 1832 } 1833 break; 1834 case kLeft_SkKey: 1835 if (this->previousSample()) { 1836 return true; 1837 } 1838 return true; 1839 case kUp_SkKey: 1840 if (USE_ARROWS_FOR_ZOOM) { 1841 this->changeZoomLevel(1.f / 32.f); 1842 } else { 1843 fNClip = !fNClip; 1844 this->inval(NULL); 1845 this->updateTitle(); 1846 } 1847 return true; 1848 case kDown_SkKey: 1849 if (USE_ARROWS_FOR_ZOOM) { 1850 this->changeZoomLevel(-1.f / 32.f); 1851 } else { 1852 this->setColorType(cycle_colortypes(this->getBitmap().colorType())); 1853 this->updateTitle(); 1854 } 1855 return true; 1856 case kOK_SkKey: { 1857 SkString title; 1858 if (curr_title(this, &title)) { 1859 writeTitleToPrefs(title.c_str()); 1860 } 1861 return true; 1862 } 1863 case kBack_SkKey: 1864 this->showOverview(); 1865 return true; 1866 default: 1867 break; 1868 } 1869 return this->INHERITED::onHandleKey(key); 1870 } 1871 1872 /////////////////////////////////////////////////////////////////////////////// 1873 1874 static const char gGestureClickType[] = "GestureClickType"; 1875 1876 bool SampleWindow::onDispatchClick(int x, int y, Click::State state, 1877 void* owner, unsigned modi) { 1878 if (Click::kMoved_State == state) { 1879 updatePointer(x, y); 1880 } 1881 int w = SkScalarRoundToInt(this->width()); 1882 int h = SkScalarRoundToInt(this->height()); 1883 1884 // check for the resize-box 1885 if (w - x < 16 && h - y < 16) { 1886 return false; // let the OS handle the click 1887 } 1888 else if (fMagnify) { 1889 //it's only necessary to update the drawing if there's a click 1890 this->inval(NULL); 1891 return false; //prevent dragging while magnify is enabled 1892 } else { 1893 // capture control+option, and trigger debugger 1894 if ((modi & kControl_SkModifierKey) && (modi & kOption_SkModifierKey)) { 1895 if (Click::kDown_State == state) { 1896 SkEvent evt("debug-hit-test"); 1897 evt.setS32("debug-hit-test-x", x); 1898 evt.setS32("debug-hit-test-y", y); 1899 curr_view(this)->doEvent(evt); 1900 } 1901 return true; 1902 } else { 1903 return this->INHERITED::onDispatchClick(x, y, state, owner, modi); 1904 } 1905 } 1906 } 1907 1908 class GestureClick : public SkView::Click { 1909 public: 1910 GestureClick(SkView* target) : SkView::Click(target) { 1911 this->setType(gGestureClickType); 1912 } 1913 1914 static bool IsGesture(Click* click) { 1915 return click->isType(gGestureClickType); 1916 } 1917 }; 1918 1919 SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y, 1920 unsigned modi) { 1921 return new GestureClick(this); 1922 } 1923 1924 bool SampleWindow::onClick(Click* click) { 1925 if (GestureClick::IsGesture(click)) { 1926 float x = static_cast<float>(click->fICurr.fX); 1927 float y = static_cast<float>(click->fICurr.fY); 1928 1929 switch (click->fState) { 1930 case SkView::Click::kDown_State: 1931 fGesture.touchBegin(click->fOwner, x, y); 1932 break; 1933 case SkView::Click::kMoved_State: 1934 fGesture.touchMoved(click->fOwner, x, y); 1935 this->updateMatrix(); 1936 break; 1937 case SkView::Click::kUp_State: 1938 fGesture.touchEnd(click->fOwner); 1939 this->updateMatrix(); 1940 break; 1941 } 1942 return true; 1943 } 1944 return false; 1945 } 1946 1947 /////////////////////////////////////////////////////////////////////////////// 1948 1949 void SampleWindow::loadView(SkView* view) { 1950 SkView::F2BIter iter(this); 1951 SkView* prev = iter.next(); 1952 if (prev) { 1953 prev->detachFromParent(); 1954 } 1955 1956 view->setVisibleP(true); 1957 view->setClipToBounds(false); 1958 this->attachChildToFront(view)->unref(); 1959 view->setSize(this->width(), this->height()); 1960 1961 //repopulate the slide menu when a view is loaded 1962 fSlideMenu->reset(); 1963 1964 (void)SampleView::SetUsePipe(view, fPipeState); 1965 if (SampleView::IsSampleView(view)) { 1966 SampleView* sampleView = (SampleView*)view; 1967 sampleView->requestMenu(fSlideMenu); 1968 sampleView->onTileSizeChanged(this->tileSize()); 1969 } 1970 this->onUpdateMenu(fSlideMenu); 1971 this->updateTitle(); 1972 } 1973 1974 static const char* gDeviceTypePrefix[] = { 1975 "raster: ", 1976 "picture: ", 1977 #if SK_SUPPORT_GPU 1978 "opengl: ", 1979 #if SK_ANGLE 1980 "angle: ", 1981 #endif // SK_ANGLE 1982 "null-gl: " 1983 #endif // SK_SUPPORT_GPU 1984 }; 1985 SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gDeviceTypePrefix) == SampleWindow::kDeviceTypeCnt, 1986 array_size_mismatch); 1987 1988 static const char* trystate_str(SkOSMenu::TriState state, 1989 const char trueStr[], const char falseStr[]) { 1990 if (SkOSMenu::kOnState == state) { 1991 return trueStr; 1992 } else if (SkOSMenu::kOffState == state) { 1993 return falseStr; 1994 } 1995 return NULL; 1996 } 1997 1998 void SampleWindow::updateTitle() { 1999 SkView* view = curr_view(this); 2000 2001 SkString title; 2002 if (!curr_title(this, &title)) { 2003 title.set("<unknown>"); 2004 } 2005 2006 title.prepend(gDeviceTypePrefix[fDeviceType]); 2007 2008 title.prepend(" "); 2009 title.prepend(sk_tool_utils::colortype_name(this->getBitmap().colorType())); 2010 2011 if (fTilingMode != kNo_Tiling) { 2012 title.prependf("<T: %s> ", gTilingInfo[fTilingMode].label); 2013 } 2014 if (fAnimating) { 2015 title.prepend("<A> "); 2016 } 2017 if (fRotate) { 2018 title.prepend("<R> "); 2019 } 2020 if (fNClip) { 2021 title.prepend("<C> "); 2022 } 2023 if (fPerspAnim) { 2024 title.prepend("<K> "); 2025 } 2026 2027 title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); 2028 title.prepend(trystate_str(fAAState, "AA ", "aa ")); 2029 title.prepend(gFilterLevelStates[fFilterLevelIndex].fLabel); 2030 title.prepend(trystate_str(fSubpixelState, "S ", "s ")); 2031 title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); 2032 title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); 2033 title.prepend(gHintingStates[fHintingState].label); 2034 2035 if (fZoomLevel) { 2036 title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel)); 2037 } 2038 2039 if (fMeasureFPS) { 2040 title.appendf(" %8.3f ms", fMeasureFPS_Time / (float)FPS_REPEAT_COUNT); 2041 } 2042 if (SampleView::IsSampleView(view)) { 2043 switch (fPipeState) { 2044 case SkOSMenu::kOnState: 2045 title.prepend("<Pipe> "); 2046 break; 2047 case SkOSMenu::kMixedState: 2048 title.prepend("<Tiled Pipe> "); 2049 break; 2050 2051 default: 2052 break; 2053 } 2054 title.prepend("! "); 2055 } 2056 2057 #if SK_SUPPORT_GPU 2058 if (IsGpuDeviceType(fDeviceType) && 2059 fDevManager && 2060 fDevManager->getGrRenderTarget() && 2061 fDevManager->getGrRenderTarget()->numSamples() > 0) { 2062 title.appendf(" [MSAA: %d]", 2063 fDevManager->getGrRenderTarget()->numSamples()); 2064 } 2065 #endif 2066 2067 this->setTitle(title.c_str()); 2068 } 2069 2070 void SampleWindow::onSizeChange() { 2071 this->INHERITED::onSizeChange(); 2072 2073 SkView::F2BIter iter(this); 2074 SkView* view = iter.next(); 2075 view->setSize(this->width(), this->height()); 2076 2077 // rebuild our clippath 2078 { 2079 const SkScalar W = this->width(); 2080 const SkScalar H = this->height(); 2081 2082 fClipPath.reset(); 2083 #if 0 2084 for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { 2085 SkRect r; 2086 r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); 2087 for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) 2088 fClipPath.addRect(r); 2089 } 2090 #else 2091 SkRect r; 2092 r.set(0, 0, W, H); 2093 fClipPath.addRect(r, SkPath::kCCW_Direction); 2094 r.set(W/4, H/4, W*3/4, H*3/4); 2095 fClipPath.addRect(r, SkPath::kCW_Direction); 2096 #endif 2097 } 2098 2099 fZoomCenterX = SkScalarHalf(this->width()); 2100 fZoomCenterY = SkScalarHalf(this->height()); 2101 2102 #ifdef SK_BUILD_FOR_ANDROID 2103 // FIXME: The first draw after a size change does not work on Android, so 2104 // we post an invalidate. 2105 this->postInvalDelay(); 2106 #endif 2107 this->updateTitle(); // to refresh our config 2108 fDevManager->windowSizeChanged(this); 2109 2110 if (fTilingMode != kNo_Tiling && SampleView::IsSampleView(view)) { 2111 ((SampleView*)view)->onTileSizeChanged(this->tileSize()); 2112 } 2113 } 2114 2115 /////////////////////////////////////////////////////////////////////////////// 2116 2117 static const char is_sample_view_tag[] = "sample-is-sample-view"; 2118 static const char repeat_count_tag[] = "sample-set-repeat-count"; 2119 static const char set_use_pipe_tag[] = "sample-set-use-pipe"; 2120 2121 bool SampleView::IsSampleView(SkView* view) { 2122 SkEvent evt(is_sample_view_tag); 2123 return view->doQuery(&evt); 2124 } 2125 2126 bool SampleView::SetRepeatDraw(SkView* view, int count) { 2127 SkEvent evt(repeat_count_tag); 2128 evt.setFast32(count); 2129 return view->doEvent(evt); 2130 } 2131 2132 bool SampleView::SetUsePipe(SkView* view, SkOSMenu::TriState state) { 2133 SkEvent evt; 2134 evt.setS32(set_use_pipe_tag, state); 2135 return view->doEvent(evt); 2136 } 2137 2138 bool SampleView::onEvent(const SkEvent& evt) { 2139 if (evt.isType(repeat_count_tag)) { 2140 fRepeatCount = evt.getFast32(); 2141 return true; 2142 } 2143 2144 int32_t pipeHolder; 2145 if (evt.findS32(set_use_pipe_tag, &pipeHolder)) { 2146 fPipeState = static_cast<SkOSMenu::TriState>(pipeHolder); 2147 return true; 2148 } 2149 2150 return this->INHERITED::onEvent(evt); 2151 } 2152 2153 bool SampleView::onQuery(SkEvent* evt) { 2154 if (evt->isType(is_sample_view_tag)) { 2155 return true; 2156 } 2157 return this->INHERITED::onQuery(evt); 2158 } 2159 2160 2161 class SimplePC : public SkGPipeController { 2162 public: 2163 SimplePC(SkCanvas* target); 2164 ~SimplePC(); 2165 2166 virtual void* requestBlock(size_t minRequest, size_t* actual); 2167 virtual void notifyWritten(size_t bytes); 2168 2169 private: 2170 SkGPipeReader fReader; 2171 void* fBlock; 2172 size_t fBlockSize; 2173 size_t fBytesWritten; 2174 int fAtomsWritten; 2175 SkGPipeReader::Status fStatus; 2176 2177 size_t fTotalWritten; 2178 }; 2179 2180 SimplePC::SimplePC(SkCanvas* target) : fReader(target) { 2181 fBlock = NULL; 2182 fBlockSize = fBytesWritten = 0; 2183 fStatus = SkGPipeReader::kDone_Status; 2184 fTotalWritten = 0; 2185 fAtomsWritten = 0; 2186 fReader.setBitmapDecoder(&SkImageDecoder::DecodeMemory); 2187 } 2188 2189 SimplePC::~SimplePC() { 2190 // SkASSERT(SkGPipeReader::kDone_Status == fStatus); 2191 if (fTotalWritten) { 2192 SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten, 2193 fAtomsWritten, fStatus); 2194 #ifdef PIPE_FILE 2195 //File is open in append mode 2196 FILE* f = fopen(FILE_PATH, "ab"); 2197 SkASSERT(f != NULL); 2198 fwrite((const char*)fBlock + fBytesWritten, 1, bytes, f); 2199 fclose(f); 2200 #endif 2201 #ifdef PIPE_NET 2202 if (fAtomsWritten > 1 && fTotalWritten > 4) { //ignore done 2203 gServer.acceptConnections(); 2204 gServer.writePacket(fBlock, fTotalWritten); 2205 } 2206 #endif 2207 } 2208 sk_free(fBlock); 2209 } 2210 2211 void* SimplePC::requestBlock(size_t minRequest, size_t* actual) { 2212 sk_free(fBlock); 2213 2214 fBlockSize = minRequest * 4; 2215 fBlock = sk_malloc_throw(fBlockSize); 2216 fBytesWritten = 0; 2217 *actual = fBlockSize; 2218 return fBlock; 2219 } 2220 2221 void SimplePC::notifyWritten(size_t bytes) { 2222 SkASSERT(fBytesWritten + bytes <= fBlockSize); 2223 fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); 2224 SkASSERT(SkGPipeReader::kError_Status != fStatus); 2225 fBytesWritten += bytes; 2226 fTotalWritten += bytes; 2227 2228 fAtomsWritten += 1; 2229 } 2230 2231 void SampleView::draw(SkCanvas* canvas) { 2232 if (SkOSMenu::kOffState == fPipeState) { 2233 this->INHERITED::draw(canvas); 2234 } else { 2235 SkGPipeWriter writer; 2236 SimplePC controller(canvas); 2237 SkBitmap bitmap = capture_bitmap(canvas); 2238 TiledPipeController tc(bitmap, &SkImageDecoder::DecodeMemory, &canvas->getTotalMatrix()); 2239 SkGPipeController* pc; 2240 if (SkOSMenu::kMixedState == fPipeState) { 2241 pc = &tc; 2242 } else { 2243 pc = &controller; 2244 } 2245 uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; 2246 2247 canvas = writer.startRecording(pc, flags); 2248 //Must draw before controller goes out of scope and sends data 2249 this->INHERITED::draw(canvas); 2250 //explicitly end recording to ensure writer is flushed before the memory 2251 //is freed in the deconstructor of the controller 2252 writer.endRecording(); 2253 } 2254 } 2255 2256 void SampleView::onDraw(SkCanvas* canvas) { 2257 this->onDrawBackground(canvas); 2258 2259 for (int i = 0; i < fRepeatCount; i++) { 2260 SkAutoCanvasRestore acr(canvas, true); 2261 this->onDrawContent(canvas); 2262 } 2263 } 2264 2265 void SampleView::onDrawBackground(SkCanvas* canvas) { 2266 canvas->drawColor(fBGColor); 2267 } 2268 2269 /////////////////////////////////////////////////////////////////////////////// 2270 2271 template <typename T> void SkTBSort(T array[], int count) { 2272 for (int i = 1; i < count - 1; i++) { 2273 bool didSwap = false; 2274 for (int j = count - 1; j > i; --j) { 2275 if (array[j] < array[j-1]) { 2276 T tmp(array[j-1]); 2277 array[j-1] = array[j]; 2278 array[j] = tmp; 2279 didSwap = true; 2280 } 2281 } 2282 if (!didSwap) { 2283 break; 2284 } 2285 } 2286 2287 for (int k = 0; k < count - 1; k++) { 2288 SkASSERT(!(array[k+1] < array[k])); 2289 } 2290 } 2291 2292 #include "SkRandom.h" 2293 2294 static void rand_rect(SkIRect* rect, SkRandom& rand) { 2295 int bits = 8; 2296 int shift = 32 - bits; 2297 rect->set(rand.nextU() >> shift, rand.nextU() >> shift, 2298 rand.nextU() >> shift, rand.nextU() >> shift); 2299 rect->sort(); 2300 } 2301 2302 static void dumpRect(const SkIRect& r) { 2303 SkDebugf(" { %d, %d, %d, %d },\n", 2304 r.fLeft, r.fTop, 2305 r.fRight, r.fBottom); 2306 } 2307 2308 static void test_rects(const SkIRect rect[], int count) { 2309 SkRegion rgn0, rgn1; 2310 2311 for (int i = 0; i < count; i++) { 2312 rgn0.op(rect[i], SkRegion::kUnion_Op); 2313 // dumpRect(rect[i]); 2314 } 2315 rgn1.setRects(rect, count); 2316 2317 if (rgn0 != rgn1) { 2318 SkDebugf("\n"); 2319 for (int i = 0; i < count; i++) { 2320 dumpRect(rect[i]); 2321 } 2322 SkDebugf("\n"); 2323 } 2324 } 2325 2326 static void test() { 2327 size_t i; 2328 2329 const SkIRect r0[] = { 2330 { 0, 0, 1, 1 }, 2331 { 2, 2, 3, 3 }, 2332 }; 2333 const SkIRect r1[] = { 2334 { 0, 0, 1, 3 }, 2335 { 1, 1, 2, 2 }, 2336 { 2, 0, 3, 3 }, 2337 }; 2338 const SkIRect r2[] = { 2339 { 0, 0, 1, 2 }, 2340 { 2, 1, 3, 3 }, 2341 { 4, 0, 5, 1 }, 2342 { 6, 0, 7, 4 }, 2343 }; 2344 2345 static const struct { 2346 const SkIRect* fRects; 2347 int fCount; 2348 } gRecs[] = { 2349 { r0, SK_ARRAY_COUNT(r0) }, 2350 { r1, SK_ARRAY_COUNT(r1) }, 2351 { r2, SK_ARRAY_COUNT(r2) }, 2352 }; 2353 2354 for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { 2355 test_rects(gRecs[i].fRects, gRecs[i].fCount); 2356 } 2357 2358 SkRandom rand; 2359 for (i = 0; i < 10000; i++) { 2360 SkRegion rgn0, rgn1; 2361 2362 const int N = 8; 2363 SkIRect rect[N]; 2364 for (int j = 0; j < N; j++) { 2365 rand_rect(&rect[j], rand); 2366 } 2367 test_rects(rect, N); 2368 } 2369 } 2370 2371 // FIXME: this should be in a header 2372 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv); 2373 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { 2374 if (false) { // avoid bit rot, suppress warning 2375 test(); 2376 } 2377 return new SampleWindow(hwnd, argc, argv, NULL); 2378 } 2379 2380 // FIXME: this should be in a header 2381 void get_preferred_size(int* x, int* y, int* width, int* height); 2382 void get_preferred_size(int* x, int* y, int* width, int* height) { 2383 *x = 10; 2384 *y = 50; 2385 *width = 640; 2386 *height = 480; 2387 } 2388 2389 #ifdef SK_BUILD_FOR_IOS 2390 IOS_launch_type set_cmd_line_args(int , char *[], const char* resourceDir) { 2391 SetResourcePath(resourceDir); 2392 return kApplication__iOSLaunchType; 2393 } 2394 #endif 2395 2396 void application_init() { 2397 // setenv("ANDROID_ROOT", "../../../data", 0); 2398 #ifdef SK_BUILD_FOR_MAC 2399 setenv("ANDROID_ROOT", "/android/device/data", 0); 2400 #endif 2401 SkGraphics::Init(); 2402 SkEvent::Init(); 2403 } 2404 2405 void application_term() { 2406 SkEvent::Term(); 2407 SkGraphics::Term(); 2408 } 2409
