SampleApp.cpp revision f8b6b01d51d08e39499d1c88063af2964fe72a0f
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 "SkGraphics.h" 13#include "SkImageDecoder.h" 14#include "SkImageEncoder.h" 15#include "SkPaint.h" 16#include "SkPicture.h" 17#include "SkStream.h" 18#include "SkTSort.h" 19#include "SkTime.h" 20#include "SkWindow.h" 21 22#include "SampleCode.h" 23#include "SkTypeface.h" 24 25#if SK_SUPPORT_GPU 26#include "gl/GrGLInterface.h" 27#include "gl/GrGLUtil.h" 28#include "GrRenderTarget.h" 29#include "GrContext.h" 30#include "SkGpuDevice.h" 31#else 32class GrContext; 33#endif 34 35#include "SkOSFile.h" 36#include "SkPDFDevice.h" 37#include "SkPDFDocument.h" 38#include "SkStream.h" 39 40#include "SkGPipe.h" 41#include "SamplePipeControllers.h" 42#include "OverView.h" 43#include "TransitionView.h" 44 45SK_DEFINE_INST_COUNT(SampleWindow::DeviceManager) 46 47extern SampleView* CreateSamplePictFileView(const char filename[]); 48 49class PictFileFactory : public SkViewFactory { 50 SkString fFilename; 51public: 52 PictFileFactory(const SkString& filename) : fFilename(filename) {} 53 virtual SkView* operator() () const SK_OVERRIDE { 54 return CreateSamplePictFileView(fFilename.c_str()); 55 } 56}; 57 58#ifdef SAMPLE_PDF_FILE_VIEWER 59extern SampleView* CreateSamplePdfFileViewer(const char filename[]); 60 61class PdfFileViewerFactory : public SkViewFactory { 62 SkString fFilename; 63public: 64 PdfFileViewerFactory(const SkString& filename) : fFilename(filename) {} 65 virtual SkView* operator() () const SK_OVERRIDE { 66 return CreateSamplePdfFileViewer(fFilename.c_str()); 67 } 68}; 69#endif // SAMPLE_PDF_FILE_VIEWER 70 71#define PIPE_FILEx 72#ifdef PIPE_FILE 73#define FILE_PATH "/path/to/drawing.data" 74#endif 75 76#define PIPE_NETx 77#ifdef PIPE_NET 78#include "SkSockets.h" 79SkTCPServer gServer; 80#endif 81 82#define USE_ARROWS_FOR_ZOOM true 83 84#if SK_ANGLE 85//#define DEFAULT_TO_ANGLE 1 86#else 87//#define DEFAULT_TO_GPU 1 88#endif 89 90#define ANIMATING_EVENTTYPE "nextSample" 91#define ANIMATING_DELAY 250 92 93#ifdef SK_DEBUG 94 #define FPS_REPEAT_MULTIPLIER 1 95#else 96 #define FPS_REPEAT_MULTIPLIER 10 97#endif 98#define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER) 99 100static SampleWindow* gSampleWindow; 101 102static bool gShowGMBounds; 103 104static void postEventToSink(SkEvent* evt, SkEventSink* sink) { 105 evt->setTargetID(sink->getSinkID())->post(); 106} 107 108/////////////////////////////////////////////////////////////////////////////// 109 110static const char* skip_until(const char* str, const char* skip) { 111 if (!str) { 112 return NULL; 113 } 114 return strstr(str, skip); 115} 116 117static const char* skip_past(const char* str, const char* skip) { 118 const char* found = skip_until(str, skip); 119 if (!found) { 120 return NULL; 121 } 122 return found + strlen(skip); 123} 124 125static const char* gPrefFileName = "sampleapp_prefs.txt"; 126 127static bool readTitleFromPrefs(SkString* title) { 128 SkFILEStream stream(gPrefFileName); 129 if (!stream.isValid()) { 130 return false; 131 } 132 133 int len = stream.getLength(); 134 SkString data(len); 135 stream.read(data.writable_str(), len); 136 const char* s = data.c_str(); 137 138 s = skip_past(s, "curr-slide-title"); 139 s = skip_past(s, "="); 140 s = skip_past(s, "\""); 141 const char* stop = skip_until(s, "\""); 142 if (stop > s) { 143 title->set(s, stop - s); 144 return true; 145 } 146 return false; 147} 148 149static void writeTitleToPrefs(const char* title) { 150 SkFILEWStream stream(gPrefFileName); 151 SkString data; 152 data.printf("curr-slide-title = \"%s\"\n", title); 153 stream.write(data.c_str(), data.size()); 154} 155 156/////////////////////////////////////////////////////////////////////////////// 157 158class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager { 159public: 160 161 DefaultDeviceManager() { 162#if SK_SUPPORT_GPU 163 fCurContext = NULL; 164 fCurIntf = NULL; 165 fCurRenderTarget = NULL; 166 fMSAASampleCount = 0; 167#endif 168 fBackend = kNone_BackEndType; 169 } 170 171 virtual ~DefaultDeviceManager() { 172#if SK_SUPPORT_GPU 173 SkSafeUnref(fCurContext); 174 SkSafeUnref(fCurIntf); 175 SkSafeUnref(fCurRenderTarget); 176#endif 177 } 178 179 virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) { 180 SkASSERT(kNone_BackEndType == fBackend); 181 182 fBackend = kNone_BackEndType; 183 184#if SK_SUPPORT_GPU 185 switch (win->getDeviceType()) { 186 case kRaster_DeviceType: 187 // fallthrough 188 case kPicture_DeviceType: 189 // fallthrough 190 case kGPU_DeviceType: 191 // fallthrough 192 case kNullGPU_DeviceType: 193 // all these guys use the native backend 194 fBackend = kNativeGL_BackEndType; 195 break; 196#if SK_ANGLE 197 case kANGLE_DeviceType: 198 // ANGLE is really the only odd man out 199 fBackend = kANGLE_BackEndType; 200 break; 201#endif // SK_ANGLE 202 default: 203 SkASSERT(false); 204 break; 205 } 206 AttachmentInfo attachmentInfo; 207 bool result = win->attach(fBackend, msaaSampleCount, &attachmentInfo); 208 if (!result) { 209 SkDebugf("Failed to initialize GL"); 210 return; 211 } 212 fMSAASampleCount = msaaSampleCount; 213 214 SkASSERT(NULL == fCurIntf); 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 fCurIntf = GrGLCreateNativeInterface(); 223 break; 224#if SK_ANGLE 225 case kANGLE_DeviceType: 226 fCurIntf = GrGLCreateANGLEInterface(); 227 break; 228#endif // SK_ANGLE 229 case kNullGPU_DeviceType: 230 fCurIntf = GrGLCreateNullInterface(); 231 break; 232 default: 233 SkASSERT(false); 234 break; 235 } 236 237 SkASSERT(NULL == fCurContext); 238 fCurContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext) fCurIntf); 239 240 if (NULL == fCurContext || NULL == fCurIntf) { 241 // We need some context and interface to see results 242 SkSafeUnref(fCurContext); 243 SkSafeUnref(fCurIntf); 244 SkDebugf("Failed to setup 3D"); 245 246 win->detach(); 247 } 248#endif // SK_SUPPORT_GPU 249 // call windowSizeChanged to create the render target 250 this->windowSizeChanged(win); 251 } 252 253 virtual void tearDownBackend(SampleWindow *win) { 254#if SK_SUPPORT_GPU 255 SkSafeUnref(fCurContext); 256 fCurContext = NULL; 257 258 SkSafeUnref(fCurIntf); 259 fCurIntf = NULL; 260 261 SkSafeUnref(fCurRenderTarget); 262 fCurRenderTarget = NULL; 263#endif 264 win->detach(); 265 fBackend = kNone_BackEndType; 266 } 267 268 virtual SkCanvas* createCanvas(SampleWindow::DeviceType dType, 269 SampleWindow* win) { 270#if SK_SUPPORT_GPU 271 if (IsGpuDeviceType(dType) && NULL != fCurContext) { 272 SkAutoTUnref<SkDevice> device(new SkGpuDevice(fCurContext, fCurRenderTarget)); 273 return new SkCanvas(device); 274 } else 275#endif 276 { 277 return NULL; 278 } 279 } 280 281 virtual void publishCanvas(SampleWindow::DeviceType dType, 282 SkCanvas* canvas, 283 SampleWindow* win) { 284#if SK_SUPPORT_GPU 285 if (fCurContext) { 286 // in case we have queued drawing calls 287 fCurContext->flush(); 288 289 if (!IsGpuDeviceType(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_GrPixelConfig, 295 bm.getPixels(), 296 bm.rowBytes()); 297 } 298 } 299#endif 300 301 win->present(); 302 } 303 304 virtual void windowSizeChanged(SampleWindow* win) { 305#if SK_SUPPORT_GPU 306 if (fCurContext) { 307 AttachmentInfo attachmentInfo; 308 win->attach(fBackend, fMSAASampleCount, &attachmentInfo); 309 310 GrBackendRenderTargetDesc desc; 311 desc.fWidth = SkScalarRound(win->width()); 312 desc.fHeight = SkScalarRound(win->height()); 313 desc.fConfig = kSkia8888_GrPixelConfig; 314 desc.fOrigin = kBottomLeft_GrSurfaceOrigin; 315 desc.fSampleCnt = attachmentInfo.fSampleCount; 316 desc.fStencilBits = attachmentInfo.fStencilBits; 317 GrGLint buffer; 318 GR_GL_GetIntegerv(fCurIntf, GR_GL_FRAMEBUFFER_BINDING, &buffer); 319 desc.fRenderTargetHandle = buffer; 320 321 SkSafeUnref(fCurRenderTarget); 322 fCurRenderTarget = fCurContext->wrapBackendRenderTarget(desc); 323 } 324#endif 325 } 326 327 virtual GrContext* getGrContext() { 328#if SK_SUPPORT_GPU 329 return fCurContext; 330#else 331 return NULL; 332#endif 333 } 334 335 virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE { 336#if SK_SUPPORT_GPU 337 return fCurRenderTarget; 338#else 339 return NULL; 340#endif 341 } 342 343private: 344 345#if SK_SUPPORT_GPU 346 GrContext* fCurContext; 347 const GrGLInterface* fCurIntf; 348 GrRenderTarget* fCurRenderTarget; 349 int fMSAASampleCount; 350#endif 351 352 SkOSWindow::SkBackEndTypes fBackend; 353 354 typedef SampleWindow::DeviceManager INHERITED; 355}; 356 357/////////////// 358static const char view_inval_msg[] = "view-inval-msg"; 359 360void SampleWindow::postInvalDelay() { 361 (new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1); 362} 363 364static bool isInvalEvent(const SkEvent& evt) { 365 return evt.isType(view_inval_msg); 366} 367////////////////// 368 369SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func) 370 : fCreateFunc(func) { 371} 372 373SkView* SkFuncViewFactory::operator() () const { 374 return (*fCreateFunc)(); 375} 376 377#include "GMSampleView.h" 378 379SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func) 380 : fFunc(func) { 381} 382 383SkView* SkGMSampleViewFactory::operator() () const { 384 return new GMSampleView(fFunc(NULL)); 385} 386 387SkViewRegister* SkViewRegister::gHead; 388SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) { 389 fFact->ref(); 390 fChain = gHead; 391 gHead = this; 392} 393 394SkViewRegister::SkViewRegister(SkViewCreateFunc func) { 395 fFact = new SkFuncViewFactory(func); 396 fChain = gHead; 397 gHead = this; 398} 399 400SkViewRegister::SkViewRegister(GMFactoryFunc func) { 401 fFact = new SkGMSampleViewFactory(func); 402 fChain = gHead; 403 gHead = this; 404} 405 406class AutoUnrefArray { 407public: 408 AutoUnrefArray() {} 409 ~AutoUnrefArray() { 410 int count = fObjs.count(); 411 for (int i = 0; i < count; ++i) { 412 fObjs[i]->unref(); 413 } 414 } 415 SkRefCnt*& push_back() { return *fObjs.append(); } 416 417private: 418 SkTDArray<SkRefCnt*> fObjs; 419}; 420 421// registers GMs as Samples 422// This can't be performed during static initialization because it could be 423// run before GMRegistry has been fully built. 424static void SkGMRegistyToSampleRegistry() { 425 static bool gOnce; 426 static AutoUnrefArray fRegisters; 427 428 if (!gOnce) { 429 const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head(); 430 while (gmreg) { 431 fRegisters.push_back() = new SkViewRegister(gmreg->factory()); 432 gmreg = gmreg->next(); 433 } 434 gOnce = true; 435 } 436} 437 438#if 0 439#include <CoreFoundation/CoreFoundation.h> 440#include <CoreFoundation/CFURLAccess.h> 441 442static void testpdf() { 443 CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf", 444 kCFStringEncodingUTF8); 445 CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path, 446 kCFURLPOSIXPathStyle, 447 false); 448 CFRelease(path); 449 CGRect box = CGRectMake(0, 0, 8*72, 10*72); 450 CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL); 451 CFRelease(url); 452 453 CGContextBeginPage(cg, &box); 454 CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5); 455 CGContextFillEllipseInRect(cg, r); 456 CGContextEndPage(cg); 457 CGContextRelease(cg); 458 459 if (false) { 460 SkBitmap bm; 461 bm.setConfig(SkBitmap::kA8_Config, 64, 64); 462 bm.allocPixels(); 463 bm.eraseColor(SK_ColorTRANSPARENT); 464 465 SkCanvas canvas(bm); 466 467 } 468} 469#endif 470 471////////////////////////////////////////////////////////////////////////////// 472 473enum FlipAxisEnum { 474 kFlipAxis_X = (1 << 0), 475 kFlipAxis_Y = (1 << 1) 476}; 477 478#include "SkDrawFilter.h" 479 480struct HintingState { 481 SkPaint::Hinting hinting; 482 const char* name; 483 const char* label; 484}; 485static HintingState gHintingStates[] = { 486 {SkPaint::kNo_Hinting, "Mixed", NULL }, 487 {SkPaint::kNo_Hinting, "None", "H0 " }, 488 {SkPaint::kSlight_Hinting, "Slight", "Hs " }, 489 {SkPaint::kNormal_Hinting, "Normal", "Hn " }, 490 {SkPaint::kFull_Hinting, "Full", "Hf " }, 491}; 492 493class FlagsDrawFilter : public SkDrawFilter { 494public: 495 FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, SkOSMenu::TriState filter, 496 SkOSMenu::TriState subpixel, int hinting) 497 : fLCDState(lcd), fAAState(aa), fFilterState(filter), fSubpixelState(subpixel) 498 , fHintingState(hinting) {} 499 500 virtual bool filter(SkPaint* paint, Type t) { 501 if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) { 502 paint->setLCDRenderText(SkOSMenu::kOnState == fLCDState); 503 } 504 if (SkOSMenu::kMixedState != fAAState) { 505 paint->setAntiAlias(SkOSMenu::kOnState == fAAState); 506 } 507 if (SkOSMenu::kMixedState != fFilterState) { 508 paint->setFilterBitmap(SkOSMenu::kOnState == fFilterState); 509 } 510 if (SkOSMenu::kMixedState != fSubpixelState) { 511 paint->setSubpixelText(SkOSMenu::kOnState == fSubpixelState); 512 } 513 if (0 != fHintingState && fHintingState < (int)SK_ARRAY_COUNT(gHintingStates)) { 514 paint->setHinting(gHintingStates[fHintingState].hinting); 515 } 516 return true; 517 } 518 519private: 520 SkOSMenu::TriState fLCDState; 521 SkOSMenu::TriState fAAState; 522 SkOSMenu::TriState fFilterState; 523 SkOSMenu::TriState fSubpixelState; 524 int fHintingState; 525}; 526 527////////////////////////////////////////////////////////////////////////////// 528 529#define MAX_ZOOM_LEVEL 8 530#define MIN_ZOOM_LEVEL -8 531 532static const char gCharEvtName[] = "SampleCode_Char_Event"; 533static const char gKeyEvtName[] = "SampleCode_Key_Event"; 534static const char gTitleEvtName[] = "SampleCode_Title_Event"; 535static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; 536static const char gFastTextEvtName[] = "SampleCode_FastText_Event"; 537static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle"; 538 539bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) { 540 if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) { 541 if (outUni) { 542 *outUni = evt.getFast32(); 543 } 544 return true; 545 } 546 return false; 547} 548 549bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) { 550 if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) { 551 if (outKey) { 552 *outKey = (SkKey)evt.getFast32(); 553 } 554 return true; 555 } 556 return false; 557} 558 559bool SampleCode::TitleQ(const SkEvent& evt) { 560 return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); 561} 562 563void SampleCode::TitleR(SkEvent* evt, const char title[]) { 564 SkASSERT(evt && TitleQ(*evt)); 565 evt->setString(gTitleEvtName, title); 566} 567 568bool SampleCode::RequestTitle(SkView* view, SkString* title) { 569 SkEvent evt(gTitleEvtName); 570 if (view->doQuery(&evt)) { 571 title->set(evt.findString(gTitleEvtName)); 572 return true; 573 } 574 return false; 575} 576 577bool SampleCode::PrefSizeQ(const SkEvent& evt) { 578 return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); 579} 580 581void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { 582 SkASSERT(evt && PrefSizeQ(*evt)); 583 SkScalar size[2]; 584 size[0] = width; 585 size[1] = height; 586 evt->setScalars(gPrefSizeEvtName, 2, size); 587} 588 589bool SampleCode::FastTextQ(const SkEvent& evt) { 590 return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1); 591} 592 593/////////////////////////////////////////////////////////////////////////////// 594 595static SkMSec gAnimTime; 596static SkMSec gAnimTimePrev; 597 598SkMSec SampleCode::GetAnimTime() { return gAnimTime; } 599SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; } 600SkScalar SampleCode::GetAnimSecondsDelta() { 601 return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0); 602} 603 604SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) { 605 // since gAnimTime can be up to 32 bits, we can't convert it to a float 606 // or we'll lose the low bits. Hence we use doubles for the intermediate 607 // calculations 608 double seconds = (double)gAnimTime / 1000.0; 609 double value = SkScalarToDouble(speed) * seconds; 610 if (period) { 611 value = ::fmod(value, SkScalarToDouble(period)); 612 } 613 return SkDoubleToScalar(value); 614} 615 616SkScalar SampleCode::GetAnimSinScalar(SkScalar amplitude, 617 SkScalar periodInSec, 618 SkScalar phaseInSec) { 619 if (!periodInSec) { 620 return 0; 621 } 622 double t = (double)gAnimTime / 1000.0 + phaseInSec; 623 t *= SkScalarToFloat(2 * SK_ScalarPI) / periodInSec; 624 amplitude = SK_ScalarHalf * amplitude; 625 return SkScalarMul(amplitude, SkDoubleToScalar(sin(t))) + amplitude; 626} 627 628GrContext* SampleCode::GetGr() { 629 return gSampleWindow ? gSampleWindow->getGrContext() : NULL; 630} 631 632// some GMs rely on having a skiagm::GetGr function defined 633namespace skiagm { 634 // FIXME: this should be moved into a header 635 GrContext* GetGr(); 636 GrContext* GetGr() { return SampleCode::GetGr(); } 637} 638 639////////////////////////////////////////////////////////////////////////////// 640 641static SkView* curr_view(SkWindow* wind) { 642 SkView::F2BIter iter(wind); 643 return iter.next(); 644} 645 646static bool curr_title(SkWindow* wind, SkString* title) { 647 SkView* view = curr_view(wind); 648 if (view) { 649 SkEvent evt(gTitleEvtName); 650 if (view->doQuery(&evt)) { 651 title->set(evt.findString(gTitleEvtName)); 652 return true; 653 } 654 } 655 return false; 656} 657 658void SampleWindow::setZoomCenter(float x, float y) 659{ 660 fZoomCenterX = SkFloatToScalar(x); 661 fZoomCenterY = SkFloatToScalar(y); 662} 663 664bool SampleWindow::zoomIn() 665{ 666 // Arbitrarily decided 667 if (fFatBitsScale == 25) return false; 668 fFatBitsScale++; 669 this->inval(NULL); 670 return true; 671} 672 673bool SampleWindow::zoomOut() 674{ 675 if (fFatBitsScale == 1) return false; 676 fFatBitsScale--; 677 this->inval(NULL); 678 return true; 679} 680 681void SampleWindow::updatePointer(int x, int y) 682{ 683 fMouseX = x; 684 fMouseY = y; 685 if (fShowZoomer) { 686 this->inval(NULL); 687 } 688} 689 690static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) { 691 static const SampleWindow::DeviceType gCT[] = { 692 SampleWindow::kPicture_DeviceType, 693#if SK_SUPPORT_GPU 694 SampleWindow::kGPU_DeviceType, 695#if SK_ANGLE 696 SampleWindow::kANGLE_DeviceType, 697#endif // SK_ANGLE 698 SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling 699#endif // SK_SUPPORT_GPU 700 SampleWindow::kRaster_DeviceType 701 }; 702 SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gCT) == SampleWindow::kDeviceTypeCnt, array_size_mismatch); 703 return gCT[ct]; 704} 705 706static void usage(const char * argv0) { 707 SkDebugf("%s [--slide sampleName] [-i resourcePath] [--msaa sampleCount] [--pictureDir dirPath] [--picture path] [--sort]\n", argv0); 708#ifdef SAMPLE_PDF_FILE_VIEWER 709 SkDebugf(" [--pdfDir pdfPath]\n"); 710 SkDebugf(" pdfPath: path to directory pdf files are read from\n"); 711#endif // SAMPLE_PDF_FILE_VIEWER 712 SkDebugf(" sampleName: sample at which to start.\n"); 713 SkDebugf(" resourcePath: directory that stores image resources.\n"); 714 SkDebugf(" msaa: request multisampling with the given sample count.\n"); 715 SkDebugf(" dirPath: path to directory skia pictures are read from\n"); 716 SkDebugf(" path: path to skia picture\n"); 717 SkDebugf(" --sort: sort samples by title, this would help to compare pdf rendering (P:foo.pdf) with skp rendering (P:foo.pdf)\n"); 718} 719 720static 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 728bool compareSampleTitle(const SkViewFactory* first, const SkViewFactory* second) { 729 return strcmp(getSampleTitle(first).c_str(), getSampleTitle(second).c_str()) < 0; 730} 731 732SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager) 733 : INHERITED(hwnd) 734 , fDevManager(NULL) { 735 736 fCurrIndex = -1; 737 738 this->registerPictFileSamples(argv, argc); 739 this->registerPictFileSample(argv, argc); 740#ifdef SAMPLE_PDF_FILE_VIEWER 741 this->registerPdfFileViewerSamples(argv, argc); 742#endif // SAMPLE_PDF_FILE_VIEWER 743 SkGMRegistyToSampleRegistry(); 744 { 745 const SkViewRegister* reg = SkViewRegister::Head(); 746 while (reg) { 747 *fSamples.append() = reg->factory(); 748 reg = reg->next(); 749 } 750 } 751 752 bool sort = false; 753 for (int i = 0; i < argc; ++i) { 754 if (!strcmp(argv[i], "--sort")) { 755 sort = true; 756 break; 757 } 758 } 759 760 if (sort) { 761 // Sort samples, so foo.skp and foo.pdf are consecutive and we can quickly spot where 762 // skp -> pdf -> png fails. 763 SkTQSort(fSamples.begin(), fSamples.end() ? fSamples.end() - 1 : NULL, compareSampleTitle); 764 } 765 766 const char* resourcePath = NULL; 767 fMSAASampleCount = 0; 768 769 const char* const commandName = argv[0]; 770 char* const* stop = argv + argc; 771 for (++argv; argv < stop; ++argv) { 772 if (strcmp(*argv, "-i") == 0) { 773 argv++; 774 if (argv < stop && **argv) { 775 resourcePath = *argv; 776 } 777 } else if (strcmp(*argv, "--slide") == 0) { 778 argv++; 779 if (argv < stop && **argv) { 780 fCurrIndex = findByTitle(*argv); 781 if (fCurrIndex < 0) { 782 fprintf(stderr, "Unknown sample \"%s\"\n", *argv); 783 listTitles(); 784 } 785 } 786 } else if (strcmp(*argv, "--msaa") == 0) { 787 ++argv; 788 if (argv < stop && **argv) { 789 fMSAASampleCount = atoi(*argv); 790 } 791 } else if (strcmp(*argv, "--list") == 0) { 792 listTitles(); 793 } 794 else { 795 usage(commandName); 796 } 797 } 798 799 if (fCurrIndex < 0) { 800 SkString title; 801 if (readTitleFromPrefs(&title)) { 802 fCurrIndex = findByTitle(title.c_str()); 803 } 804 } 805 806 if (fCurrIndex < 0) { 807 fCurrIndex = 0; 808 } 809 810 gSampleWindow = this; 811 812#ifdef PIPE_FILE 813 //Clear existing file or create file if it doesn't exist 814 FILE* f = fopen(FILE_PATH, "wb"); 815 fclose(f); 816#endif 817 818 fPicture = NULL; 819 820 fDeviceType = kRaster_DeviceType; 821 822#if DEFAULT_TO_GPU 823 fDeviceType = kGPU_DeviceType; 824#endif 825#if SK_ANGLE && DEFAULT_TO_ANGLE 826 fDeviceType = kANGLE_DeviceType; 827#endif 828 829 fUseClip = false; 830 fNClip = false; 831 fAnimating = false; 832 fRotate = false; 833 fRotateAnimTime = 0; 834 fPerspAnim = false; 835 fPerspAnimTime = 0; 836 fRequestGrabImage = false; 837 fPipeState = SkOSMenu::kOffState; 838 fTilingState = SkOSMenu::kOffState; 839 fTileCount.set(1, 1); 840 fMeasureFPS = false; 841 fLCDState = SkOSMenu::kMixedState; 842 fAAState = SkOSMenu::kMixedState; 843 fFilterState = SkOSMenu::kMixedState; 844 fSubpixelState = SkOSMenu::kMixedState; 845 fHintingState = 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->appendTriState("Filter", "Filter", sinkID, fFilterState); 882 fAppMenu->assignKeyEquivalentToItem(itemID, 'n'); 883 itemID = fAppMenu->appendTriState("Subpixel", "Subpixel", sinkID, fSubpixelState); 884 fAppMenu->assignKeyEquivalentToItem(itemID, 's'); 885 itemID = fAppMenu->appendList("Hinting", "Hinting", sinkID, fHintingState, 886 gHintingStates[0].name, 887 gHintingStates[1].name, 888 gHintingStates[2].name, 889 gHintingStates[3].name, 890 gHintingStates[4].name, 891 NULL); 892 fAppMenu->assignKeyEquivalentToItem(itemID, 'h'); 893 894 fUsePipeMenuItemID = fAppMenu->appendTriState("Pipe", "Pipe" , sinkID, 895 fPipeState); 896 fAppMenu->assignKeyEquivalentToItem(fUsePipeMenuItemID, 'P'); 897 898 itemID = fAppMenu->appendTriState("Tiling", "Tiling", sinkID, fTilingState); 899 fAppMenu->assignKeyEquivalentToItem(itemID, 't'); 900 901 itemID = fAppMenu->appendSwitch("Slide Show", "Slide Show" , sinkID, false); 902 fAppMenu->assignKeyEquivalentToItem(itemID, 'a'); 903 itemID = fAppMenu->appendSwitch("Clip", "Clip" , sinkID, fUseClip); 904 fAppMenu->assignKeyEquivalentToItem(itemID, 'c'); 905 itemID = fAppMenu->appendSwitch("Flip X", "Flip X" , sinkID, false); 906 fAppMenu->assignKeyEquivalentToItem(itemID, 'x'); 907 itemID = fAppMenu->appendSwitch("Flip Y", "Flip Y" , sinkID, false); 908 fAppMenu->assignKeyEquivalentToItem(itemID, 'y'); 909 itemID = fAppMenu->appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer); 910 fAppMenu->assignKeyEquivalentToItem(itemID, 'z'); 911 itemID = fAppMenu->appendSwitch("Magnify", "Magnify" , sinkID, fMagnify); 912 fAppMenu->assignKeyEquivalentToItem(itemID, 'm'); 913 itemID =fAppMenu->appendList("Transition-Next", "Transition-Next", sinkID, 914 fTransitionNext, "Up", "Up and Right", "Right", 915 "Down and Right", "Down", "Down and Left", 916 "Left", "Up and Left", NULL); 917 fAppMenu->assignKeyEquivalentToItem(itemID, 'j'); 918 itemID =fAppMenu->appendList("Transition-Prev", "Transition-Prev", sinkID, 919 fTransitionPrev, "Up", "Up and Right", "Right", 920 "Down and Right", "Down", "Down and Left", 921 "Left", "Up and Left", NULL); 922 fAppMenu->assignKeyEquivalentToItem(itemID, 'k'); 923 itemID = fAppMenu->appendAction("Save to PDF", sinkID); 924 fAppMenu->assignKeyEquivalentToItem(itemID, 'e'); 925 926 this->addMenu(fAppMenu); 927 fSlideMenu = new SkOSMenu; 928 this->addMenu(fSlideMenu); 929 930// this->setConfig(SkBitmap::kRGB_565_Config); 931 this->setConfig(SkBitmap::kARGB_8888_Config); 932 this->setVisibleP(true); 933 this->setClipToBounds(false); 934 935 skiagm::GM::SetResourcePath(resourcePath); 936 937 this->loadView((*fSamples[fCurrIndex])()); 938 939 fPDFData = NULL; 940 941 if (NULL == devManager) { 942 fDevManager = new DefaultDeviceManager(); 943 } else { 944 devManager->ref(); 945 fDevManager = devManager; 946 } 947 fDevManager->setUpBackend(this, fMSAASampleCount); 948 949 // If another constructor set our dimensions, ensure that our 950 // onSizeChange gets called. 951 if (this->height() && this->width()) { 952 this->onSizeChange(); 953 } 954 955 // can't call this synchronously, since it may require a subclass to 956 // to implement, or the caller may need us to have returned from the 957 // constructor first. Hence we post an event to ourselves. 958// this->updateTitle(); 959 postEventToSink(new SkEvent(gUpdateWindowTitleEvtName), this); 960} 961 962SampleWindow::~SampleWindow() { 963 delete fPicture; 964 delete fPdfCanvas; 965 fTypeface->unref(); 966 967 SkSafeUnref(fDevManager); 968} 969 970static void make_filepath(SkString* path, const char* dir, const SkString& name) { 971 size_t len = strlen(dir); 972 path->set(dir); 973 if (len > 0 && dir[len - 1] != '/') { 974 path->append("/"); 975 } 976 path->append(name); 977} 978 979void SampleWindow::registerPictFileSample(char** argv, int argc) { 980 const char* pict = NULL; 981 982 for (int i = 0; i < argc; ++i) { 983 if (!strcmp(argv[i], "--picture")) { 984 i += 1; 985 if (i < argc) { 986 pict = argv[i]; 987 break; 988 } 989 } 990 } 991 if (pict) { 992 SkString path(pict); 993 fCurrIndex = fSamples.count(); 994 *fSamples.append() = new PictFileFactory(path); 995 } 996} 997 998void SampleWindow::registerPictFileSamples(char** argv, int argc) { 999 const char* pictDir = NULL; 1000 1001 for (int i = 0; i < argc; ++i) { 1002 if (!strcmp(argv[i], "--pictureDir")) { 1003 i += 1; 1004 if (i < argc) { 1005 pictDir = argv[i]; 1006 break; 1007 } 1008 } 1009 } 1010 if (pictDir) { 1011 SkOSFile::Iter iter(pictDir, "skp"); 1012 SkString filename; 1013 while (iter.next(&filename)) { 1014 SkString path; 1015 make_filepath(&path, pictDir, filename); 1016 *fSamples.append() = new PictFileFactory(path); 1017 } 1018 } 1019} 1020 1021#ifdef SAMPLE_PDF_FILE_VIEWER 1022void SampleWindow::registerPdfFileViewerSamples(char** argv, int argc) { 1023 const char* pdfDir = NULL; 1024 1025 for (int i = 0; i < argc; ++i) { 1026 if (!strcmp(argv[i], "--pdfDir")) { 1027 i += 1; 1028 if (i < argc) { 1029 pdfDir = argv[i]; 1030 break; 1031 } 1032 } 1033 } 1034 if (pdfDir) { 1035 SkOSFile::Iter iter(pdfDir, "pdf"); 1036 SkString filename; 1037 while (iter.next(&filename)) { 1038 SkString path; 1039 make_filepath(&path, pdfDir, filename); 1040 *fSamples.append() = new PdfFileViewerFactory(path); 1041 } 1042 } 1043} 1044#endif // SAMPLE_PDF_FILE_VIEWER 1045 1046 1047int SampleWindow::findByTitle(const char title[]) { 1048 int i, count = fSamples.count(); 1049 for (i = 0; i < count; i++) { 1050 if (getSampleTitle(i).equals(title)) { 1051 return i; 1052 } 1053 } 1054 return -1; 1055} 1056 1057void SampleWindow::listTitles() { 1058 int count = fSamples.count(); 1059 SkDebugf("All Slides:\n"); 1060 for (int i = 0; i < count; i++) { 1061 SkDebugf(" %s\n", getSampleTitle(i).c_str()); 1062 } 1063} 1064 1065static SkBitmap capture_bitmap(SkCanvas* canvas) { 1066 SkBitmap bm; 1067 const SkBitmap& src = canvas->getDevice()->accessBitmap(false); 1068 src.copyTo(&bm, src.config()); 1069 return bm; 1070} 1071 1072static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, 1073 SkBitmap* diff) { 1074 const SkBitmap& src = canvas->getDevice()->accessBitmap(false); 1075 1076 SkAutoLockPixels alp0(src); 1077 SkAutoLockPixels alp1(orig); 1078 for (int y = 0; y < src.height(); y++) { 1079 const void* srcP = src.getAddr(0, y); 1080 const void* origP = orig.getAddr(0, y); 1081 size_t bytes = src.width() * src.bytesPerPixel(); 1082 if (memcmp(srcP, origP, bytes)) { 1083 SkDebugf("---------- difference on line %d\n", y); 1084 return true; 1085 } 1086 } 1087 return false; 1088} 1089 1090static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint) 1091{ 1092 SkColor desiredColor = paint.getColor(); 1093 paint.setColor(SK_ColorWHITE); 1094 const char* c_str = string.c_str(); 1095 size_t size = string.size(); 1096 SkRect bounds; 1097 paint.measureText(c_str, size, &bounds); 1098 bounds.offset(left, top); 1099 SkScalar inset = SkIntToScalar(-2); 1100 bounds.inset(inset, inset); 1101 canvas->drawRect(bounds, paint); 1102 if (desiredColor != SK_ColorBLACK) { 1103 paint.setColor(SK_ColorBLACK); 1104 canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint); 1105 } 1106 paint.setColor(desiredColor); 1107 canvas->drawText(c_str, size, left, top, paint); 1108} 1109 1110#define XCLIP_N 8 1111#define YCLIP_N 8 1112 1113void SampleWindow::draw(SkCanvas* canvas) { 1114 // update the animation time 1115 if (!gAnimTimePrev && !gAnimTime) { 1116 // first time make delta be 0 1117 gAnimTime = SkTime::GetMSecs(); 1118 gAnimTimePrev = gAnimTime; 1119 } else { 1120 gAnimTimePrev = gAnimTime; 1121 gAnimTime = SkTime::GetMSecs(); 1122 } 1123 1124 if (fGesture.isActive()) { 1125 this->updateMatrix(); 1126 } 1127 1128 if (fMeasureFPS) { 1129 fMeasureFPS_Time = 0; 1130 } 1131 1132 if (fNClip) { 1133 this->INHERITED::draw(canvas); 1134 SkBitmap orig = capture_bitmap(canvas); 1135 1136 const SkScalar w = this->width(); 1137 const SkScalar h = this->height(); 1138 const SkScalar cw = w / XCLIP_N; 1139 const SkScalar ch = h / YCLIP_N; 1140 for (int y = 0; y < YCLIP_N; y++) { 1141 SkRect r; 1142 r.fTop = y * ch; 1143 r.fBottom = (y + 1) * ch; 1144 if (y == YCLIP_N - 1) { 1145 r.fBottom = h; 1146 } 1147 for (int x = 0; x < XCLIP_N; x++) { 1148 SkAutoCanvasRestore acr(canvas, true); 1149 r.fLeft = x * cw; 1150 r.fRight = (x + 1) * cw; 1151 if (x == XCLIP_N - 1) { 1152 r.fRight = w; 1153 } 1154 canvas->clipRect(r); 1155 this->INHERITED::draw(canvas); 1156 } 1157 } 1158 1159 SkBitmap diff; 1160 if (bitmap_diff(canvas, orig, &diff)) { 1161 } 1162 } else { 1163 const SkScalar cw = SkScalarDiv(this->width(), SkIntToScalar(fTileCount.width())); 1164 const SkScalar ch = SkScalarDiv(this->height(), SkIntToScalar(fTileCount.height())); 1165 1166 for (int y = 0; y < fTileCount.height(); ++y) { 1167 for (int x = 0; x < fTileCount.width(); ++x) { 1168 SkAutoCanvasRestore acr(canvas, true); 1169 canvas->clipRect(SkRect::MakeXYWH(x * cw, y * ch, cw, ch)); 1170 this->INHERITED::draw(canvas); 1171 } 1172 } 1173 1174 if (!fTileCount.equals(1, 1)) { 1175 SkPaint paint; 1176 paint.setColor(0x60FF00FF); 1177 paint.setStyle(SkPaint::kStroke_Style); 1178 for (int y = 0; y < fTileCount.height(); ++y) { 1179 for (int x = 0; x < fTileCount.width(); ++x) { 1180 canvas->drawRect(SkRect::MakeXYWH(x * cw, y * ch, cw, ch), paint); 1181 } 1182 } 1183 } 1184 } 1185 if (fShowZoomer && !fSaveToPdf) { 1186 showZoomer(canvas); 1187 } 1188 if (fMagnify && !fSaveToPdf) { 1189 magnify(canvas); 1190 } 1191 1192 if (fMeasureFPS && fMeasureFPS_Time) { 1193 this->updateTitle(); 1194 this->postInvalDelay(); 1195 } 1196 1197 // do this last 1198 fDevManager->publishCanvas(fDeviceType, canvas, this); 1199} 1200 1201static float clipW = 200; 1202static float clipH = 200; 1203void SampleWindow::magnify(SkCanvas* canvas) { 1204 SkRect r; 1205 int count = canvas->save(); 1206 1207 SkMatrix m = canvas->getTotalMatrix(); 1208 if (!m.invert(&m)) { 1209 return; 1210 } 1211 SkPoint offset, center; 1212 SkScalar mouseX = fMouseX * SK_Scalar1; 1213 SkScalar mouseY = fMouseY * SK_Scalar1; 1214 m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset); 1215 m.mapXY(mouseX, mouseY, ¢er); 1216 1217 r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX()); 1218 r.offset(offset.fX, offset.fY); 1219 1220 SkPaint paint; 1221 paint.setColor(0xFF66AAEE); 1222 paint.setStyle(SkPaint::kStroke_Style); 1223 paint.setStrokeWidth(10.f * m.getScaleX()); 1224 //lense offset 1225 //canvas->translate(0, -250); 1226 canvas->drawRect(r, paint); 1227 canvas->clipRect(r); 1228 1229 m = canvas->getTotalMatrix(); 1230 m.setTranslate(-center.fX, -center.fY); 1231 m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale); 1232 m.postTranslate(center.fX, center.fY); 1233 canvas->concat(m); 1234 1235 this->INHERITED::draw(canvas); 1236 1237 canvas->restoreToCount(count); 1238} 1239 1240void SampleWindow::showZoomer(SkCanvas* canvas) { 1241 int count = canvas->save(); 1242 canvas->resetMatrix(); 1243 // Ensure the mouse position is on screen. 1244 int width = SkScalarRound(this->width()); 1245 int height = SkScalarRound(this->height()); 1246 if (fMouseX >= width) fMouseX = width - 1; 1247 else if (fMouseX < 0) fMouseX = 0; 1248 if (fMouseY >= height) fMouseY = height - 1; 1249 else if (fMouseY < 0) fMouseY = 0; 1250 1251 SkBitmap bitmap = capture_bitmap(canvas); 1252 bitmap.lockPixels(); 1253 1254 // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle. 1255 int zoomedWidth = (width >> 1) | 1; 1256 int zoomedHeight = (height >> 1) | 1; 1257 SkIRect src; 1258 src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale); 1259 src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1)); 1260 SkRect dest; 1261 dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight)); 1262 dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight)); 1263 SkPaint paint; 1264 // Clear the background behind our zoomed in view 1265 paint.setColor(SK_ColorWHITE); 1266 canvas->drawRect(dest, paint); 1267 canvas->drawBitmapRect(bitmap, &src, dest); 1268 paint.setColor(SK_ColorBLACK); 1269 paint.setStyle(SkPaint::kStroke_Style); 1270 // Draw a border around the pixel in the middle 1271 SkRect originalPixel; 1272 originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1)); 1273 SkMatrix matrix; 1274 SkRect scalarSrc; 1275 scalarSrc.set(src); 1276 SkColor color = bitmap.getColor(fMouseX, fMouseY); 1277 if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) { 1278 SkRect pixel; 1279 matrix.mapRect(&pixel, originalPixel); 1280 // TODO Perhaps measure the values and make the outline white if it's "dark" 1281 if (color == SK_ColorBLACK) { 1282 paint.setColor(SK_ColorWHITE); 1283 } 1284 canvas->drawRect(pixel, paint); 1285 } 1286 paint.setColor(SK_ColorBLACK); 1287 // Draw a border around the destination rectangle 1288 canvas->drawRect(dest, paint); 1289 paint.setStyle(SkPaint::kStrokeAndFill_Style); 1290 // Identify the pixel and its color on screen 1291 paint.setTypeface(fTypeface); 1292 paint.setAntiAlias(true); 1293 SkScalar lineHeight = paint.getFontMetrics(NULL); 1294 SkString string; 1295 string.appendf("(%i, %i)", fMouseX, fMouseY); 1296 SkScalar left = dest.fLeft + SkIntToScalar(3); 1297 SkScalar i = SK_Scalar1; 1298 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1299 // Alpha 1300 i += SK_Scalar1; 1301 string.reset(); 1302 string.appendf("A: %X", SkColorGetA(color)); 1303 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1304 // Red 1305 i += SK_Scalar1; 1306 string.reset(); 1307 string.appendf("R: %X", SkColorGetR(color)); 1308 paint.setColor(SK_ColorRED); 1309 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1310 // Green 1311 i += SK_Scalar1; 1312 string.reset(); 1313 string.appendf("G: %X", SkColorGetG(color)); 1314 paint.setColor(SK_ColorGREEN); 1315 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1316 // Blue 1317 i += SK_Scalar1; 1318 string.reset(); 1319 string.appendf("B: %X", SkColorGetB(color)); 1320 paint.setColor(SK_ColorBLUE); 1321 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); 1322 canvas->restoreToCount(count); 1323} 1324 1325void SampleWindow::onDraw(SkCanvas* canvas) { 1326} 1327 1328#include "SkColorPriv.h" 1329 1330#if 0 // UNUSED 1331static void reverseRedAndBlue(const SkBitmap& bm) { 1332 SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); 1333 uint8_t* p = (uint8_t*)bm.getPixels(); 1334 uint8_t* stop = p + bm.getSize(); 1335 while (p < stop) { 1336 // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply 1337 unsigned scale = SkAlpha255To256(p[3]); 1338 unsigned r = p[2]; 1339 unsigned b = p[0]; 1340 p[0] = SkAlphaMul(r, scale); 1341 p[1] = SkAlphaMul(p[1], scale); 1342 p[2] = SkAlphaMul(b, scale); 1343 p += 4; 1344 } 1345} 1346#endif 1347 1348void SampleWindow::saveToPdf() 1349{ 1350 fSaveToPdf = true; 1351 this->inval(NULL); 1352} 1353 1354SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { 1355 if (fSaveToPdf) { 1356 const SkBitmap& bmp = canvas->getDevice()->accessBitmap(false); 1357 SkISize size = SkISize::Make(bmp.width(), bmp.height()); 1358 SkPDFDevice* pdfDevice = new SkPDFDevice(size, size, 1359 canvas->getTotalMatrix()); 1360 fPdfCanvas = new SkCanvas(pdfDevice); 1361 pdfDevice->unref(); 1362 canvas = fPdfCanvas; 1363 } else if (kPicture_DeviceType == fDeviceType) { 1364 fPicture = new SkPicture; 1365 canvas = fPicture->beginRecording(9999, 9999); 1366 } else { 1367#if SK_SUPPORT_GPU 1368 if (kNullGPU_DeviceType != fDeviceType) 1369#endif 1370 { 1371 canvas = this->INHERITED::beforeChildren(canvas); 1372 } 1373 } 1374 1375 if (fUseClip) { 1376 canvas->drawColor(0xFFFF88FF); 1377 canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true); 1378 } 1379 1380 return canvas; 1381} 1382 1383static void paint_rgn(const SkBitmap& bm, const SkIRect& r, 1384 const SkRegion& rgn) { 1385 SkCanvas canvas(bm); 1386 SkRegion inval(rgn); 1387 1388 inval.translate(r.fLeft, r.fTop); 1389 canvas.clipRegion(inval); 1390 canvas.drawColor(0xFFFF8080); 1391} 1392#include "SkData.h" 1393void SampleWindow::afterChildren(SkCanvas* orig) { 1394 if (fSaveToPdf) { 1395 fSaveToPdf = false; 1396 if (fShowZoomer) { 1397 showZoomer(fPdfCanvas); 1398 } 1399 SkString name; 1400 name.printf("%s.pdf", this->getTitle()); 1401 SkPDFDocument doc; 1402 SkPDFDevice* device = static_cast<SkPDFDevice*>(fPdfCanvas->getDevice()); 1403 doc.appendPage(device); 1404#ifdef SK_BUILD_FOR_ANDROID 1405 name.prepend("/sdcard/"); 1406#endif 1407 1408#ifdef SK_BUILD_FOR_IOS 1409 SkDynamicMemoryWStream mstream; 1410 doc.emitPDF(&mstream); 1411 fPDFData = mstream.copyToData(); 1412#endif 1413 SkFILEWStream stream(name.c_str()); 1414 if (stream.isValid()) { 1415 doc.emitPDF(&stream); 1416 const char* desc = "File saved from Skia SampleApp"; 1417 this->onPDFSaved(this->getTitle(), desc, name.c_str()); 1418 } 1419 1420 delete fPdfCanvas; 1421 fPdfCanvas = NULL; 1422 1423 // We took over the draw calls in order to create the PDF, so we need 1424 // to redraw. 1425 this->inval(NULL); 1426 return; 1427 } 1428 1429 if (fRequestGrabImage) { 1430 fRequestGrabImage = false; 1431 1432 SkDevice* device = orig->getDevice(); 1433 SkBitmap bmp; 1434 if (device->accessBitmap(false).copyTo(&bmp, SkBitmap::kARGB_8888_Config)) { 1435 static int gSampleGrabCounter; 1436 SkString name; 1437 name.printf("sample_grab_%d.png", gSampleGrabCounter++); 1438 SkImageEncoder::EncodeFile(name.c_str(), bmp, 1439 SkImageEncoder::kPNG_Type, 100); 1440 } 1441 } 1442 1443 if (kPicture_DeviceType == fDeviceType) { 1444 if (true) { 1445 SkPicture* pict = new SkPicture(*fPicture); 1446 fPicture->unref(); 1447 this->installDrawFilter(orig); 1448 orig->drawPicture(*pict); 1449 pict->unref(); 1450 } else if (true) { 1451 SkDynamicMemoryWStream ostream; 1452 fPicture->serialize(&ostream); 1453 fPicture->unref(); 1454 1455 SkAutoDataUnref data(ostream.copyToData()); 1456 SkMemoryStream istream(data->data(), data->size()); 1457 SkAutoTUnref<SkPicture> pict(SkPicture::CreateFromStream(&istream)); 1458 if (pict.get() != NULL) { 1459 orig->drawPicture(*pict.get()); 1460 } 1461 } else { 1462 fPicture->draw(orig); 1463 fPicture->unref(); 1464 } 1465 fPicture = NULL; 1466 } 1467 1468 // Do this after presentGL and other finishing, rather than in afterChild 1469 if (fMeasureFPS && fMeasureFPS_StartTime) { 1470 fMeasureFPS_Time += SkTime::GetMSecs() - fMeasureFPS_StartTime; 1471 } 1472 1473 // if ((fScrollTestX | fScrollTestY) != 0) 1474 if (false) { 1475 const SkBitmap& bm = orig->getDevice()->accessBitmap(true); 1476 int dx = fScrollTestX * 7; 1477 int dy = fScrollTestY * 7; 1478 SkIRect r; 1479 SkRegion inval; 1480 1481 r.set(50, 50, 50+100, 50+100); 1482 bm.scrollRect(&r, dx, dy, &inval); 1483 paint_rgn(bm, r, inval); 1484 } 1485} 1486 1487void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { 1488 if (fRotate) { 1489 fRotateAnimTime += SampleCode::GetAnimSecondsDelta(); 1490 1491 SkScalar cx = this->width() / 2; 1492 SkScalar cy = this->height() / 2; 1493 canvas->translate(cx, cy); 1494 canvas->rotate(fRotateAnimTime * 10); 1495 canvas->translate(-cx, -cy); 1496 } 1497 1498 if (fPerspAnim) { 1499 fPerspAnimTime += SampleCode::GetAnimSecondsDelta(); 1500 1501 static const SkScalar gAnimPeriod = 10 * SK_Scalar1; 1502 static const SkScalar gAnimMag = SK_Scalar1 / 1000; 1503 SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod); 1504 if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) { 1505 t = gAnimPeriod - t; 1506 } 1507 t = 2 * t - gAnimPeriod; 1508 t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag); 1509 SkMatrix m; 1510 m.reset(); 1511 m.setPerspY(t); 1512 canvas->concat(m); 1513 } 1514 1515 this->installDrawFilter(canvas); 1516 1517 if (fMeasureFPS) { 1518 if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { 1519 fMeasureFPS_StartTime = SkTime::GetMSecs(); 1520 } 1521 } else { 1522 (void)SampleView::SetRepeatDraw(child, 1); 1523 } 1524 if (fPerspAnim || fRotate) { 1525 this->inval(NULL); 1526 } 1527} 1528 1529void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { 1530 canvas->setDrawFilter(NULL); 1531} 1532 1533static SkBitmap::Config gConfigCycle[] = { 1534 SkBitmap::kNo_Config, // none -> none 1535 SkBitmap::kNo_Config, // a1 -> none 1536 SkBitmap::kNo_Config, // a8 -> none 1537 SkBitmap::kNo_Config, // index8 -> none 1538 SkBitmap::kARGB_4444_Config, // 565 -> 4444 1539 SkBitmap::kARGB_8888_Config, // 4444 -> 8888 1540 SkBitmap::kRGB_565_Config // 8888 -> 565 1541}; 1542 1543static SkBitmap::Config cycle_configs(SkBitmap::Config c) { 1544 return gConfigCycle[c]; 1545} 1546 1547void SampleWindow::changeZoomLevel(float delta) { 1548 fZoomLevel += SkFloatToScalar(delta); 1549 if (fZoomLevel > 0) { 1550 fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL); 1551 fZoomScale = fZoomLevel + SK_Scalar1; 1552 } else if (fZoomLevel < 0) { 1553 fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL); 1554 fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel); 1555 } else { 1556 fZoomScale = SK_Scalar1; 1557 } 1558 this->updateMatrix(); 1559} 1560 1561void SampleWindow::updateMatrix(){ 1562 SkMatrix m; 1563 m.reset(); 1564 if (fZoomLevel) { 1565 SkPoint center; 1566 //m = this->getLocalMatrix();//.invert(&m); 1567 m.mapXY(fZoomCenterX, fZoomCenterY, ¢er); 1568 SkScalar cx = center.fX; 1569 SkScalar cy = center.fY; 1570 1571 m.setTranslate(-cx, -cy); 1572 m.postScale(fZoomScale, fZoomScale); 1573 m.postTranslate(cx, cy); 1574 } 1575 1576 if (fFlipAxis) { 1577 m.preTranslate(fZoomCenterX, fZoomCenterY); 1578 if (fFlipAxis & kFlipAxis_X) { 1579 m.preScale(-SK_Scalar1, SK_Scalar1); 1580 } 1581 if (fFlipAxis & kFlipAxis_Y) { 1582 m.preScale(SK_Scalar1, -SK_Scalar1); 1583 } 1584 m.preTranslate(-fZoomCenterX, -fZoomCenterY); 1585 //canvas->concat(m); 1586 } 1587 // Apply any gesture matrix 1588 m.preConcat(fGesture.localM()); 1589 m.preConcat(fGesture.globalM()); 1590 1591 this->setLocalMatrix(m); 1592 1593 this->updateTitle(); 1594 this->inval(NULL); 1595} 1596bool SampleWindow::previousSample() { 1597 fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count(); 1598 this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1599 fTransitionPrev)); 1600 return true; 1601} 1602 1603bool SampleWindow::nextSample() { 1604 fCurrIndex = (fCurrIndex + 1) % fSamples.count(); 1605 this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), 1606 fTransitionNext)); 1607 return true; 1608} 1609 1610bool SampleWindow::goToSample(int i) { 1611 fCurrIndex = (i) % fSamples.count(); 1612 this->loadView(create_transition(curr_view(this),(*fSamples[fCurrIndex])(), 6)); 1613 return true; 1614} 1615 1616SkString SampleWindow::getSampleTitle(int i) { 1617 return ::getSampleTitle(fSamples[i]); 1618} 1619 1620int SampleWindow::sampleCount() { 1621 return fSamples.count(); 1622} 1623 1624void SampleWindow::showOverview() { 1625 this->loadView(create_transition(curr_view(this), 1626 create_overview(fSamples.count(), fSamples.begin()), 1627 4)); 1628} 1629 1630void SampleWindow::installDrawFilter(SkCanvas* canvas) { 1631 canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState, fFilterState, fSubpixelState, 1632 fHintingState))->unref(); 1633} 1634 1635void SampleWindow::postAnimatingEvent() { 1636 if (fAnimating) { 1637 (new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY); 1638 } 1639} 1640 1641bool SampleWindow::onEvent(const SkEvent& evt) { 1642 if (evt.isType(gUpdateWindowTitleEvtName)) { 1643 this->updateTitle(); 1644 return true; 1645 } 1646 if (evt.isType(ANIMATING_EVENTTYPE)) { 1647 if (fAnimating) { 1648 this->nextSample(); 1649 this->postAnimatingEvent(); 1650 } 1651 return true; 1652 } 1653 if (evt.isType("replace-transition-view")) { 1654 this->loadView((SkView*)SkEventSink::FindSink(evt.getFast32())); 1655 return true; 1656 } 1657 if (evt.isType("set-curr-index")) { 1658 this->goToSample(evt.getFast32()); 1659 return true; 1660 } 1661 if (isInvalEvent(evt)) { 1662 this->inval(NULL); 1663 return true; 1664 } 1665 int selected = -1; 1666 if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) { 1667 this->setDeviceType((DeviceType)selected); 1668 return true; 1669 } 1670 if (SkOSMenu::FindTriState(evt, "Pipe", &fPipeState)) { 1671#ifdef PIPE_NET 1672 if (!fPipeState != SkOSMenu::kOnState) 1673 gServer.disconnectAll(); 1674#endif 1675 (void)SampleView::SetUsePipe(curr_view(this), fPipeState); 1676 this->updateTitle(); 1677 this->inval(NULL); 1678 return true; 1679 } 1680 if (SkOSMenu::FindTriState(evt, "Tiling", &fTilingState)) { 1681 int nx = 1, ny = 1; 1682 switch (fTilingState) { 1683 case SkOSMenu::kOffState: nx = 1; ny = 1; break; 1684 case SkOSMenu::kMixedState: nx = 1; ny = 16; break; 1685 case SkOSMenu::kOnState: nx = 4; ny = 4; break; 1686 } 1687 fTileCount.set(nx, ny); 1688 this->inval(NULL); 1689 return true; 1690 } 1691 if (SkOSMenu::FindSwitchState(evt, "Slide Show", NULL)) { 1692 this->toggleSlideshow(); 1693 return true; 1694 } 1695 if (SkOSMenu::FindTriState(evt, "AA", &fAAState) || 1696 SkOSMenu::FindTriState(evt, "LCD", &fLCDState) || 1697 SkOSMenu::FindTriState(evt, "Filter", &fFilterState) || 1698 SkOSMenu::FindTriState(evt, "Subpixel", &fSubpixelState) || 1699 SkOSMenu::FindListIndex(evt, "Hinting", &fHintingState) || 1700 SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) || 1701 SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) || 1702 SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) || 1703 SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) || 1704 SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) { 1705 this->inval(NULL); 1706 this->updateTitle(); 1707 return true; 1708 } 1709 if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) { 1710 fFlipAxis ^= kFlipAxis_X; 1711 this->updateMatrix(); 1712 return true; 1713 } 1714 if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) { 1715 fFlipAxis ^= kFlipAxis_Y; 1716 this->updateMatrix(); 1717 return true; 1718 } 1719 if (SkOSMenu::FindAction(evt,"Save to PDF")) { 1720 this->saveToPdf(); 1721 return true; 1722 } 1723 return this->INHERITED::onEvent(evt); 1724} 1725 1726bool SampleWindow::onQuery(SkEvent* query) { 1727 if (query->isType("get-slide-count")) { 1728 query->setFast32(fSamples.count()); 1729 return true; 1730 } 1731 if (query->isType("get-slide-title")) { 1732 SkView* view = (*fSamples[query->getFast32()])(); 1733 SkEvent evt(gTitleEvtName); 1734 if (view->doQuery(&evt)) { 1735 query->setString("title", evt.findString(gTitleEvtName)); 1736 } 1737 SkSafeUnref(view); 1738 return true; 1739 } 1740 if (query->isType("use-fast-text")) { 1741 SkEvent evt(gFastTextEvtName); 1742 return curr_view(this)->doQuery(&evt); 1743 } 1744 if (query->isType("ignore-window-bitmap")) { 1745 query->setFast32(this->getGrContext() != NULL); 1746 return true; 1747 } 1748 return this->INHERITED::onQuery(query); 1749} 1750 1751#if 0 // UNUSED 1752static void cleanup_for_filename(SkString* name) { 1753 char* str = name->writable_str(); 1754 for (size_t i = 0; i < name->size(); i++) { 1755 switch (str[i]) { 1756 case ':': str[i] = '-'; break; 1757 case '/': str[i] = '-'; break; 1758 case ' ': str[i] = '_'; break; 1759 default: break; 1760 } 1761 } 1762} 1763#endif 1764 1765//extern bool gIgnoreFastBlurRect; 1766 1767bool SampleWindow::onHandleChar(SkUnichar uni) { 1768 { 1769 SkView* view = curr_view(this); 1770 if (view) { 1771 SkEvent evt(gCharEvtName); 1772 evt.setFast32(uni); 1773 if (view->doQuery(&evt)) { 1774 return true; 1775 } 1776 } 1777 } 1778 1779 int dx = 0xFF; 1780 int dy = 0xFF; 1781 1782 switch (uni) { 1783 case '5': dx = 0; dy = 0; break; 1784 case '8': dx = 0; dy = -1; break; 1785 case '6': dx = 1; dy = 0; break; 1786 case '2': dx = 0; dy = 1; break; 1787 case '4': dx = -1; dy = 0; break; 1788 case '7': dx = -1; dy = -1; break; 1789 case '9': dx = 1; dy = -1; break; 1790 case '3': dx = 1; dy = 1; break; 1791 case '1': dx = -1; dy = 1; break; 1792 1793 default: 1794 break; 1795 } 1796 1797 if (0xFF != dx && 0xFF != dy) { 1798 if ((dx | dy) == 0) { 1799 fScrollTestX = fScrollTestY = 0; 1800 } else { 1801 fScrollTestX += dx; 1802 fScrollTestY += dy; 1803 } 1804 this->inval(NULL); 1805 return true; 1806 } 1807 1808 switch (uni) { 1809 case 'b': 1810 { 1811 postEventToSink(SkNEW_ARGS(SkEvent, ("PictFileView::toggleBBox")), curr_view(this)); 1812 this->updateTitle(); 1813 this->inval(NULL); 1814 break; 1815 } 1816 case 'B': 1817// gIgnoreFastBlurRect = !gIgnoreFastBlurRect; 1818 this->inval(NULL); 1819 break; 1820 1821 case 'f': 1822 // only 1823 toggleFPS(); 1824 break; 1825 case 'g': 1826 fRequestGrabImage = true; 1827 this->inval(NULL); 1828 break; 1829 case 'G': 1830 gShowGMBounds = !gShowGMBounds; 1831 postEventToSink(GMSampleView::NewShowSizeEvt(gShowGMBounds), 1832 curr_view(this)); 1833 this->inval(NULL); 1834 break; 1835 case 'i': 1836 this->zoomIn(); 1837 break; 1838 case 'o': 1839 this->zoomOut(); 1840 break; 1841 case 'r': 1842 fRotate = !fRotate; 1843 fRotateAnimTime = 0; 1844 this->inval(NULL); 1845 this->updateTitle(); 1846 return true; 1847 case 'k': 1848 fPerspAnim = !fPerspAnim; 1849 this->inval(NULL); 1850 this->updateTitle(); 1851 return true; 1852#if SK_SUPPORT_GPU 1853 case '\\': 1854 this->setDeviceType(kNullGPU_DeviceType); 1855 this->inval(NULL); 1856 this->updateTitle(); 1857 return true; 1858 case 'p': 1859 { 1860 GrContext* grContext = this->getGrContext(); 1861 if (grContext) { 1862 size_t cacheBytes = grContext->getGpuTextureCacheBytes(); 1863 grContext->freeGpuResources(); 1864 SkDebugf("Purged %d bytes from the GPU resource cache.\n", 1865 cacheBytes); 1866 } 1867 } 1868 return true; 1869#endif 1870 default: 1871 break; 1872 } 1873 1874 if (fAppMenu->handleKeyEquivalent(uni)|| fSlideMenu->handleKeyEquivalent(uni)) { 1875 this->onUpdateMenu(fAppMenu); 1876 this->onUpdateMenu(fSlideMenu); 1877 return true; 1878 } 1879 return this->INHERITED::onHandleChar(uni); 1880} 1881 1882void SampleWindow::setDeviceType(DeviceType type) { 1883 if (type == fDeviceType) 1884 return; 1885 1886 fDevManager->tearDownBackend(this); 1887 1888 fDeviceType = type; 1889 1890 fDevManager->setUpBackend(this, fMSAASampleCount); 1891 1892 this->updateTitle(); 1893 this->inval(NULL); 1894} 1895 1896void SampleWindow::toggleSlideshow() { 1897 fAnimating = !fAnimating; 1898 this->postAnimatingEvent(); 1899 this->updateTitle(); 1900} 1901 1902void SampleWindow::toggleRendering() { 1903 this->setDeviceType(cycle_devicetype(fDeviceType)); 1904 this->updateTitle(); 1905 this->inval(NULL); 1906} 1907 1908void SampleWindow::toggleFPS() { 1909 fMeasureFPS = !fMeasureFPS; 1910 this->updateTitle(); 1911 this->inval(NULL); 1912} 1913 1914#include "SkDumpCanvas.h" 1915 1916bool SampleWindow::onHandleKey(SkKey key) { 1917 { 1918 SkView* view = curr_view(this); 1919 if (view) { 1920 SkEvent evt(gKeyEvtName); 1921 evt.setFast32(key); 1922 if (view->doQuery(&evt)) { 1923 return true; 1924 } 1925 } 1926 } 1927 switch (key) { 1928 case kRight_SkKey: 1929 if (this->nextSample()) { 1930 return true; 1931 } 1932 break; 1933 case kLeft_SkKey: 1934 if (this->previousSample()) { 1935 return true; 1936 } 1937 return true; 1938 case kUp_SkKey: 1939 if (USE_ARROWS_FOR_ZOOM) { 1940 this->changeZoomLevel(1.f / 32.f); 1941 } else { 1942 fNClip = !fNClip; 1943 this->inval(NULL); 1944 this->updateTitle(); 1945 } 1946 return true; 1947 case kDown_SkKey: 1948 if (USE_ARROWS_FOR_ZOOM) { 1949 this->changeZoomLevel(-1.f / 32.f); 1950 } else { 1951 this->setConfig(cycle_configs(this->getBitmap().config())); 1952 this->updateTitle(); 1953 } 1954 return true; 1955 case kOK_SkKey: { 1956 SkString title; 1957 if (curr_title(this, &title)) { 1958 writeTitleToPrefs(title.c_str()); 1959 } 1960 return true; 1961 } 1962 case kBack_SkKey: 1963 this->showOverview(); 1964 return true; 1965 default: 1966 break; 1967 } 1968 return this->INHERITED::onHandleKey(key); 1969} 1970 1971/////////////////////////////////////////////////////////////////////////////// 1972 1973static const char gGestureClickType[] = "GestureClickType"; 1974 1975bool SampleWindow::onDispatchClick(int x, int y, Click::State state, 1976 void* owner, unsigned modi) { 1977 if (Click::kMoved_State == state) { 1978 updatePointer(x, y); 1979 } 1980 int w = SkScalarRound(this->width()); 1981 int h = SkScalarRound(this->height()); 1982 1983 // check for the resize-box 1984 if (w - x < 16 && h - y < 16) { 1985 return false; // let the OS handle the click 1986 } 1987 else if (fMagnify) { 1988 //it's only necessary to update the drawing if there's a click 1989 this->inval(NULL); 1990 return false; //prevent dragging while magnify is enabled 1991 } else { 1992 // capture control+option, and trigger debugger 1993 if ((modi & kControl_SkModifierKey) && (modi & kOption_SkModifierKey)) { 1994 if (Click::kDown_State == state) { 1995 SkEvent evt("debug-hit-test"); 1996 evt.setS32("debug-hit-test-x", x); 1997 evt.setS32("debug-hit-test-y", y); 1998 curr_view(this)->doEvent(evt); 1999 } 2000 return true; 2001 } else { 2002 return this->INHERITED::onDispatchClick(x, y, state, owner, modi); 2003 } 2004 } 2005} 2006 2007class GestureClick : public SkView::Click { 2008public: 2009 GestureClick(SkView* target) : SkView::Click(target) { 2010 this->setType(gGestureClickType); 2011 } 2012 2013 static bool IsGesture(Click* click) { 2014 return click->isType(gGestureClickType); 2015 } 2016}; 2017 2018SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y, 2019 unsigned modi) { 2020 return new GestureClick(this); 2021} 2022 2023bool SampleWindow::onClick(Click* click) { 2024 if (GestureClick::IsGesture(click)) { 2025 float x = static_cast<float>(click->fICurr.fX); 2026 float y = static_cast<float>(click->fICurr.fY); 2027 2028 switch (click->fState) { 2029 case SkView::Click::kDown_State: 2030 fGesture.touchBegin(click->fOwner, x, y); 2031 break; 2032 case SkView::Click::kMoved_State: 2033 fGesture.touchMoved(click->fOwner, x, y); 2034 this->updateMatrix(); 2035 break; 2036 case SkView::Click::kUp_State: 2037 fGesture.touchEnd(click->fOwner); 2038 this->updateMatrix(); 2039 break; 2040 } 2041 return true; 2042 } 2043 return false; 2044} 2045 2046/////////////////////////////////////////////////////////////////////////////// 2047 2048void SampleWindow::loadView(SkView* view) { 2049 SkView::F2BIter iter(this); 2050 SkView* prev = iter.next(); 2051 if (prev) { 2052 prev->detachFromParent(); 2053 } 2054 2055 view->setVisibleP(true); 2056 view->setClipToBounds(false); 2057 this->attachChildToFront(view)->unref(); 2058 view->setSize(this->width(), this->height()); 2059 2060 //repopulate the slide menu when a view is loaded 2061 fSlideMenu->reset(); 2062 2063 (void)SampleView::SetUsePipe(view, fPipeState); 2064 if (SampleView::IsSampleView(view)) 2065 ((SampleView*)view)->requestMenu(fSlideMenu); 2066 this->onUpdateMenu(fSlideMenu); 2067 this->updateTitle(); 2068} 2069 2070static const char* gConfigNames[] = { 2071 "unknown config", 2072 "A1", 2073 "A8", 2074 "Index8", 2075 "565", 2076 "4444", 2077 "8888" 2078}; 2079 2080static const char* configToString(SkBitmap::Config c) { 2081 return gConfigNames[c]; 2082} 2083 2084static const char* gDeviceTypePrefix[] = { 2085 "raster: ", 2086 "picture: ", 2087#if SK_SUPPORT_GPU 2088 "opengl: ", 2089#if SK_ANGLE 2090 "angle: ", 2091#endif // SK_ANGLE 2092 "null-gl: " 2093#endif // SK_SUPPORT_GPU 2094}; 2095SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gDeviceTypePrefix) == SampleWindow::kDeviceTypeCnt, 2096 array_size_mismatch); 2097 2098static const char* trystate_str(SkOSMenu::TriState state, 2099 const char trueStr[], const char falseStr[]) { 2100 if (SkOSMenu::kOnState == state) { 2101 return trueStr; 2102 } else if (SkOSMenu::kOffState == state) { 2103 return falseStr; 2104 } 2105 return NULL; 2106} 2107 2108void SampleWindow::updateTitle() { 2109 SkView* view = curr_view(this); 2110 2111 SkString title; 2112 if (!curr_title(this, &title)) { 2113 title.set("<unknown>"); 2114 } 2115 2116 title.prepend(gDeviceTypePrefix[fDeviceType]); 2117 2118 title.prepend(" "); 2119 title.prepend(configToString(this->getBitmap().config())); 2120 2121 if (fAnimating) { 2122 title.prepend("<A> "); 2123 } 2124 if (fRotate) { 2125 title.prepend("<R> "); 2126 } 2127 if (fNClip) { 2128 title.prepend("<C> "); 2129 } 2130 if (fPerspAnim) { 2131 title.prepend("<K> "); 2132 } 2133 2134 title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); 2135 title.prepend(trystate_str(fAAState, "AA ", "aa ")); 2136 title.prepend(trystate_str(fFilterState, "N ", "n ")); 2137 title.prepend(trystate_str(fSubpixelState, "S ", "s ")); 2138 title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); 2139 title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); 2140 title.prepend(gHintingStates[fHintingState].label); 2141 2142 if (fZoomLevel) { 2143 title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel)); 2144 } 2145 2146 if (fMeasureFPS) { 2147 title.appendf(" %8.3f ms", fMeasureFPS_Time / (float)FPS_REPEAT_COUNT); 2148 } 2149 if (SampleView::IsSampleView(view)) { 2150 switch (fPipeState) { 2151 case SkOSMenu::kOnState: 2152 title.prepend("<Pipe> "); 2153 break; 2154 case SkOSMenu::kMixedState: 2155 title.prepend("<Tiled Pipe> "); 2156 break; 2157 2158 default: 2159 break; 2160 } 2161 title.prepend("! "); 2162 } 2163 2164#if SK_SUPPORT_GPU 2165 if (IsGpuDeviceType(fDeviceType) && 2166 NULL != fDevManager && 2167 fDevManager->getGrRenderTarget() && 2168 fDevManager->getGrRenderTarget()->numSamples() > 0) { 2169 title.appendf(" [MSAA: %d]", 2170 fDevManager->getGrRenderTarget()->numSamples()); 2171 } 2172#endif 2173 2174 this->setTitle(title.c_str()); 2175} 2176 2177void SampleWindow::onSizeChange() { 2178 this->INHERITED::onSizeChange(); 2179 2180 SkView::F2BIter iter(this); 2181 SkView* view = iter.next(); 2182 view->setSize(this->width(), this->height()); 2183 2184 // rebuild our clippath 2185 { 2186 const SkScalar W = this->width(); 2187 const SkScalar H = this->height(); 2188 2189 fClipPath.reset(); 2190#if 0 2191 for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { 2192 SkRect r; 2193 r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); 2194 for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) 2195 fClipPath.addRect(r); 2196 } 2197#else 2198 SkRect r; 2199 r.set(0, 0, W, H); 2200 fClipPath.addRect(r, SkPath::kCCW_Direction); 2201 r.set(W/4, H/4, W*3/4, H*3/4); 2202 fClipPath.addRect(r, SkPath::kCW_Direction); 2203#endif 2204 } 2205 2206 fZoomCenterX = SkScalarHalf(this->width()); 2207 fZoomCenterY = SkScalarHalf(this->height()); 2208 2209#ifdef SK_BUILD_FOR_ANDROID 2210 // FIXME: The first draw after a size change does not work on Android, so 2211 // we post an invalidate. 2212 this->postInvalDelay(); 2213#endif 2214 this->updateTitle(); // to refresh our config 2215 fDevManager->windowSizeChanged(this); 2216} 2217 2218/////////////////////////////////////////////////////////////////////////////// 2219 2220static const char is_sample_view_tag[] = "sample-is-sample-view"; 2221static const char repeat_count_tag[] = "sample-set-repeat-count"; 2222static const char set_use_pipe_tag[] = "sample-set-use-pipe"; 2223 2224bool SampleView::IsSampleView(SkView* view) { 2225 SkEvent evt(is_sample_view_tag); 2226 return view->doQuery(&evt); 2227} 2228 2229bool SampleView::SetRepeatDraw(SkView* view, int count) { 2230 SkEvent evt(repeat_count_tag); 2231 evt.setFast32(count); 2232 return view->doEvent(evt); 2233} 2234 2235bool SampleView::SetUsePipe(SkView* view, SkOSMenu::TriState state) { 2236 SkEvent evt; 2237 evt.setS32(set_use_pipe_tag, state); 2238 return view->doEvent(evt); 2239} 2240 2241bool SampleView::onEvent(const SkEvent& evt) { 2242 if (evt.isType(repeat_count_tag)) { 2243 fRepeatCount = evt.getFast32(); 2244 return true; 2245 } 2246 2247 int32_t pipeHolder; 2248 if (evt.findS32(set_use_pipe_tag, &pipeHolder)) { 2249 fPipeState = static_cast<SkOSMenu::TriState>(pipeHolder); 2250 return true; 2251 } 2252 2253 if (evt.isType("debug-hit-test")) { 2254 fDebugHitTest = true; 2255 evt.findS32("debug-hit-test-x", &fDebugHitTestLoc.fX); 2256 evt.findS32("debug-hit-test-y", &fDebugHitTestLoc.fY); 2257 this->inval(NULL); 2258 return true; 2259 } 2260 2261 return this->INHERITED::onEvent(evt); 2262} 2263 2264bool SampleView::onQuery(SkEvent* evt) { 2265 if (evt->isType(is_sample_view_tag)) { 2266 return true; 2267 } 2268 return this->INHERITED::onQuery(evt); 2269} 2270 2271 2272class SimplePC : public SkGPipeController { 2273public: 2274 SimplePC(SkCanvas* target); 2275 ~SimplePC(); 2276 2277 virtual void* requestBlock(size_t minRequest, size_t* actual); 2278 virtual void notifyWritten(size_t bytes); 2279 2280private: 2281 SkGPipeReader fReader; 2282 void* fBlock; 2283 size_t fBlockSize; 2284 size_t fBytesWritten; 2285 int fAtomsWritten; 2286 SkGPipeReader::Status fStatus; 2287 2288 size_t fTotalWritten; 2289}; 2290 2291SimplePC::SimplePC(SkCanvas* target) : fReader(target) { 2292 fBlock = NULL; 2293 fBlockSize = fBytesWritten = 0; 2294 fStatus = SkGPipeReader::kDone_Status; 2295 fTotalWritten = 0; 2296 fAtomsWritten = 0; 2297 fReader.setBitmapDecoder(&SkImageDecoder::DecodeMemory); 2298} 2299 2300SimplePC::~SimplePC() { 2301// SkASSERT(SkGPipeReader::kDone_Status == fStatus); 2302 if (fTotalWritten) { 2303 SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten, 2304 fAtomsWritten, fStatus); 2305#ifdef PIPE_FILE 2306 //File is open in append mode 2307 FILE* f = fopen(FILE_PATH, "ab"); 2308 SkASSERT(f != NULL); 2309 fwrite((const char*)fBlock + fBytesWritten, 1, bytes, f); 2310 fclose(f); 2311#endif 2312#ifdef PIPE_NET 2313 if (fAtomsWritten > 1 && fTotalWritten > 4) { //ignore done 2314 gServer.acceptConnections(); 2315 gServer.writePacket(fBlock, fTotalWritten); 2316 } 2317#endif 2318 } 2319 sk_free(fBlock); 2320} 2321 2322void* SimplePC::requestBlock(size_t minRequest, size_t* actual) { 2323 sk_free(fBlock); 2324 2325 fBlockSize = minRequest * 4; 2326 fBlock = sk_malloc_throw(fBlockSize); 2327 fBytesWritten = 0; 2328 *actual = fBlockSize; 2329 return fBlock; 2330} 2331 2332void SimplePC::notifyWritten(size_t bytes) { 2333 SkASSERT(fBytesWritten + bytes <= fBlockSize); 2334 fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); 2335 SkASSERT(SkGPipeReader::kError_Status != fStatus); 2336 fBytesWritten += bytes; 2337 fTotalWritten += bytes; 2338 2339 fAtomsWritten += 1; 2340} 2341 2342void SampleView::draw(SkCanvas* canvas) { 2343 if (SkOSMenu::kOffState == fPipeState) { 2344 this->INHERITED::draw(canvas); 2345 } else { 2346 SkGPipeWriter writer; 2347 SimplePC controller(canvas); 2348 TiledPipeController tc(canvas->getDevice()->accessBitmap(false), 2349 &SkImageDecoder::DecodeMemory, 2350 &canvas->getTotalMatrix()); 2351 SkGPipeController* pc; 2352 if (SkOSMenu::kMixedState == fPipeState) { 2353 pc = &tc; 2354 } else { 2355 pc = &controller; 2356 } 2357 uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; 2358 2359 canvas = writer.startRecording(pc, flags); 2360 //Must draw before controller goes out of scope and sends data 2361 this->INHERITED::draw(canvas); 2362 //explicitly end recording to ensure writer is flushed before the memory 2363 //is freed in the deconstructor of the controller 2364 writer.endRecording(); 2365 } 2366} 2367 2368#include "SkBounder.h" 2369 2370class DebugHitTestBounder : public SkBounder { 2371public: 2372 DebugHitTestBounder(int x, int y) { 2373 fLoc.set(x, y); 2374 } 2375 2376 virtual bool onIRect(const SkIRect& bounds) SK_OVERRIDE { 2377 if (bounds.contains(fLoc.x(), fLoc.y())) { 2378 // 2379 // Set a break-point here to see what was being drawn under 2380 // the click point (just needed a line of code to stop the debugger) 2381 // 2382 bounds.centerX(); 2383 } 2384 return true; 2385 } 2386 2387private: 2388 SkIPoint fLoc; 2389 typedef SkBounder INHERITED; 2390}; 2391 2392void SampleView::onDraw(SkCanvas* canvas) { 2393 this->onDrawBackground(canvas); 2394 2395 DebugHitTestBounder bounder(fDebugHitTestLoc.x(), fDebugHitTestLoc.y()); 2396 if (fDebugHitTest) { 2397 canvas->setBounder(&bounder); 2398 } 2399 2400 for (int i = 0; i < fRepeatCount; i++) { 2401 SkAutoCanvasRestore acr(canvas, true); 2402 this->onDrawContent(canvas); 2403 } 2404 2405 fDebugHitTest = false; 2406 canvas->setBounder(NULL); 2407} 2408 2409void SampleView::onDrawBackground(SkCanvas* canvas) { 2410 canvas->drawColor(fBGColor); 2411} 2412 2413/////////////////////////////////////////////////////////////////////////////// 2414 2415template <typename T> void SkTBSort(T array[], int count) { 2416 for (int i = 1; i < count - 1; i++) { 2417 bool didSwap = false; 2418 for (int j = count - 1; j > i; --j) { 2419 if (array[j] < array[j-1]) { 2420 T tmp(array[j-1]); 2421 array[j-1] = array[j]; 2422 array[j] = tmp; 2423 didSwap = true; 2424 } 2425 } 2426 if (!didSwap) { 2427 break; 2428 } 2429 } 2430 2431 for (int k = 0; k < count - 1; k++) { 2432 SkASSERT(!(array[k+1] < array[k])); 2433 } 2434} 2435 2436#include "SkRandom.h" 2437 2438static void rand_rect(SkIRect* rect, SkRandom& rand) { 2439 int bits = 8; 2440 int shift = 32 - bits; 2441 rect->set(rand.nextU() >> shift, rand.nextU() >> shift, 2442 rand.nextU() >> shift, rand.nextU() >> shift); 2443 rect->sort(); 2444} 2445 2446static void dumpRect(const SkIRect& r) { 2447 SkDebugf(" { %d, %d, %d, %d },\n", 2448 r.fLeft, r.fTop, 2449 r.fRight, r.fBottom); 2450} 2451 2452static void test_rects(const SkIRect rect[], int count) { 2453 SkRegion rgn0, rgn1; 2454 2455 for (int i = 0; i < count; i++) { 2456 rgn0.op(rect[i], SkRegion::kUnion_Op); 2457 // dumpRect(rect[i]); 2458 } 2459 rgn1.setRects(rect, count); 2460 2461 if (rgn0 != rgn1) { 2462 SkDebugf("\n"); 2463 for (int i = 0; i < count; i++) { 2464 dumpRect(rect[i]); 2465 } 2466 SkDebugf("\n"); 2467 } 2468} 2469 2470static void test() { 2471 size_t i; 2472 2473 const SkIRect r0[] = { 2474 { 0, 0, 1, 1 }, 2475 { 2, 2, 3, 3 }, 2476 }; 2477 const SkIRect r1[] = { 2478 { 0, 0, 1, 3 }, 2479 { 1, 1, 2, 2 }, 2480 { 2, 0, 3, 3 }, 2481 }; 2482 const SkIRect r2[] = { 2483 { 0, 0, 1, 2 }, 2484 { 2, 1, 3, 3 }, 2485 { 4, 0, 5, 1 }, 2486 { 6, 0, 7, 4 }, 2487 }; 2488 2489 static const struct { 2490 const SkIRect* fRects; 2491 int fCount; 2492 } gRecs[] = { 2493 { r0, SK_ARRAY_COUNT(r0) }, 2494 { r1, SK_ARRAY_COUNT(r1) }, 2495 { r2, SK_ARRAY_COUNT(r2) }, 2496 }; 2497 2498 for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { 2499 test_rects(gRecs[i].fRects, gRecs[i].fCount); 2500 } 2501 2502 SkRandom rand; 2503 for (i = 0; i < 10000; i++) { 2504 SkRegion rgn0, rgn1; 2505 2506 const int N = 8; 2507 SkIRect rect[N]; 2508 for (int j = 0; j < N; j++) { 2509 rand_rect(&rect[j], rand); 2510 } 2511 test_rects(rect, N); 2512 } 2513} 2514 2515// FIXME: this should be in a header 2516SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv); 2517SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { 2518 if (false) { // avoid bit rot, suppress warning 2519 test(); 2520 } 2521 return new SampleWindow(hwnd, argc, argv, NULL); 2522} 2523 2524// FIXME: this should be in a header 2525void get_preferred_size(int* x, int* y, int* width, int* height); 2526void get_preferred_size(int* x, int* y, int* width, int* height) { 2527 *x = 10; 2528 *y = 50; 2529 *width = 640; 2530 *height = 480; 2531} 2532 2533#ifdef SK_BUILD_FOR_IOS 2534void save_args(int argc, char *argv[]) { 2535} 2536#endif 2537 2538// FIXME: this should be in a header 2539void application_init(); 2540void application_init() { 2541// setenv("ANDROID_ROOT", "../../../data", 0); 2542#ifdef SK_BUILD_FOR_MAC 2543 setenv("ANDROID_ROOT", "/android/device/data", 0); 2544#endif 2545 SkGraphics::Init(); 2546 SkEvent::Init(); 2547} 2548 2549// FIXME: this should be in a header 2550void application_term(); 2551void application_term() { 2552 SkEvent::Term(); 2553 SkGraphics::Term(); 2554} 2555