/* * Copyright 2011 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SampleApp.h" #include "SkData.h" #include "SkCanvas.h" #include "SkDevice.h" #include "SkGpuDevice.h" #include "SkGraphics.h" #include "SkImageEncoder.h" #include "SkPaint.h" #include "SkPicture.h" #include "SkStream.h" #include "SkTime.h" #include "SkWindow.h" #include "SampleCode.h" #include "GrContext.h" #include "SkTypeface.h" #include "gl/GrGLInterface.h" #include "GrRenderTarget.h" #include "SkPDFDevice.h" #include "SkPDFDocument.h" #include "SkStream.h" #define TEST_GPIPE #ifdef TEST_GPIPE #define PIPE_FILEx #ifdef PIPE_FILE #define FILE_PATH "/path/to/drawing.data" #endif #define PIPE_NETx #ifdef PIPE_NET #include "SkSockets.h" SkTCPServer gServer; #endif #define DEBUGGERx #ifdef DEBUGGER extern SkView* create_debugger(const char* data, size_t size); extern bool is_debugger(SkView* view); SkTDArray gTempDataStore; #endif #endif #define USE_ARROWS_FOR_ZOOM true #if SK_ANGLE //#define DEFAULT_TO_ANGLE 1 #else //#define DEFAULT_TO_GPU 1 #endif extern SkView* create_overview(int, const SkViewFactory*[]); extern bool is_overview(SkView* view); extern SkView* create_transition(SkView*, SkView*, int); extern bool is_transition(SkView* view); #define ANIMATING_EVENTTYPE "nextSample" #define ANIMATING_DELAY 750 #ifdef SK_DEBUG #define FPS_REPEAT_MULTIPLIER 1 #else #define FPS_REPEAT_MULTIPLIER 10 #endif #define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER) static SampleWindow* gSampleWindow; static void postEventToSink(SkEvent* evt, SkEventSink* sink) { evt->setTargetID(sink->getSinkID())->post(); } /////////////////////////////////////////////////////////////////////////////// static const char* skip_until(const char* str, const char* skip) { if (!str) { return NULL; } return strstr(str, skip); } static const char* skip_past(const char* str, const char* skip) { const char* found = skip_until(str, skip); if (!found) { return NULL; } return found + strlen(skip); } static const char* gPrefFileName = "sampleapp_prefs.txt"; static bool readTitleFromPrefs(SkString* title) { SkFILEStream stream(gPrefFileName); if (!stream.isValid()) { return false; } int len = stream.getLength(); SkString data(len); stream.read(data.writable_str(), len); const char* s = data.c_str(); s = skip_past(s, "curr-slide-title"); s = skip_past(s, "="); s = skip_past(s, "\""); const char* stop = skip_until(s, "\""); if (stop > s) { title->set(s, stop - s); return true; } return false; } static void writeTitleToPrefs(const char* title) { SkFILEWStream stream(gPrefFileName); SkString data; data.printf("curr-slide-title = \"%s\"\n", title); stream.write(data.c_str(), data.size()); } /////////////////////////////////////////////////////////////////////////////// class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager { public: DefaultDeviceManager() : fCurContext(NULL) , fCurIntf(NULL) , fCurRenderTarget(NULL) , fBackend(kNone_BackEndType) , fMSAASampleCount(0) { } virtual ~DefaultDeviceManager() { SkSafeUnref(fCurContext); SkSafeUnref(fCurIntf); SkSafeUnref(fCurRenderTarget); } virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) { SkASSERT(kNone_BackEndType == fBackend); fBackend = kNone_BackEndType; switch (win->getDeviceType()) { case kRaster_DeviceType: // fallthrough case kPicture_DeviceType: // fallthrough case kGPU_DeviceType: // fallthrough case kNullGPU_DeviceType: // all these guys use the native backend fBackend = kNativeGL_BackEndType; break; #if SK_ANGLE case kANGLE_DeviceType: // ANGLE is really the only odd man out fBackend = kANGLE_BackEndType; break; #endif default: SkASSERT(false); break; } bool result = win->attach(fBackend, msaaSampleCount); if (!result) { SkDebugf("Failed to initialize GL"); return; } fMSAASampleCount = msaaSampleCount; SkASSERT(NULL == fCurIntf); switch (win->getDeviceType()) { case kRaster_DeviceType: // fallthrough case kPicture_DeviceType: // fallthrough case kGPU_DeviceType: // all these guys use the native interface fCurIntf = GrGLCreateNativeInterface(); break; #if SK_ANGLE case kANGLE_DeviceType: fCurIntf = GrGLCreateANGLEInterface(); break; #endif case kNullGPU_DeviceType: fCurIntf = GrGLCreateNullInterface(); break; default: SkASSERT(false); break; } SkASSERT(NULL == fCurContext); fCurContext = GrContext::Create(kOpenGL_Shaders_GrEngine, (GrPlatform3DContext) fCurIntf); if (NULL == fCurContext || NULL == fCurIntf) { // We need some context and interface to see results SkSafeUnref(fCurContext); SkSafeUnref(fCurIntf); SkDebugf("Failed to setup 3D"); win->detach(); } // call windowSizeChanged to create the render target windowSizeChanged(win); } virtual void tearDownBackend(SampleWindow *win) { SkSafeUnref(fCurContext); fCurContext = NULL; SkSafeUnref(fCurIntf); fCurIntf = NULL; SkSafeUnref(fCurRenderTarget); fCurRenderTarget = NULL; win->detach(); fBackend = kNone_BackEndType; } virtual bool prepareCanvas(SampleWindow::DeviceType dType, SkCanvas* canvas, SampleWindow* win) { switch (dType) { case kRaster_DeviceType: // fallthrough case kPicture_DeviceType: // fallthrough #if SK_ANGLE case kANGLE_DeviceType: #endif break; case kGPU_DeviceType: case kNullGPU_DeviceType: if (fCurContext) { canvas->setDevice(new SkGpuDevice(fCurContext, fCurRenderTarget))->unref(); } else { return false; } break; default: SkASSERT(false); return false; } return true; } virtual void publishCanvas(SampleWindow::DeviceType dType, SkCanvas* canvas, SampleWindow* win) { if (fCurContext) { // in case we have queued drawing calls fCurContext->flush(); if (kGPU_DeviceType != dType && kNullGPU_DeviceType != dType) { // need to send the raster bits to the (gpu) window fCurContext->setRenderTarget(fCurRenderTarget); const SkBitmap& bm = win->getBitmap(); fCurRenderTarget->writePixels(0, 0, bm.width(), bm.height(), kSkia8888_PM_GrPixelConfig, bm.getPixels(), bm.rowBytes()); } } win->present(); } virtual void windowSizeChanged(SampleWindow* win) { if (fCurContext) { win->attach(fBackend, fMSAASampleCount); GrPlatformRenderTargetDesc desc; desc.fWidth = SkScalarRound(win->width()); desc.fHeight = SkScalarRound(win->height()); desc.fConfig = kSkia8888_PM_GrPixelConfig; GR_GL_GetIntegerv(fCurIntf, GR_GL_SAMPLES, &desc.fSampleCnt); GR_GL_GetIntegerv(fCurIntf, GR_GL_STENCIL_BITS, &desc.fStencilBits); GrGLint buffer; GR_GL_GetIntegerv(fCurIntf, GR_GL_FRAMEBUFFER_BINDING, &buffer); desc.fRenderTargetHandle = buffer; SkSafeUnref(fCurRenderTarget); fCurRenderTarget = fCurContext->createPlatformRenderTarget(desc); } } virtual GrContext* getGrContext() { return fCurContext; } virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE { return fCurRenderTarget; } private: GrContext* fCurContext; const GrGLInterface* fCurIntf; GrRenderTarget* fCurRenderTarget; SkOSWindow::SkBackEndTypes fBackend; int fMSAASampleCount; typedef SampleWindow::DeviceManager INHERITED; }; /////////////// static const char view_inval_msg[] = "view-inval-msg"; void SampleWindow::postInvalDelay() { (new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1); } static bool isInvalEvent(const SkEvent& evt) { return evt.isType(view_inval_msg); } ////////////////// SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func) : fCreateFunc(func) { } SkView* SkFuncViewFactory::operator() () const { return (*fCreateFunc)(); } #include "GMSampleView.h" SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func) : fFunc(func) { } SkView* SkGMSampleViewFactory::operator() () const { return new GMSampleView(fFunc(NULL)); } SkViewRegister* SkViewRegister::gHead; SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) { fFact->ref(); fChain = gHead; gHead = this; } SkViewRegister::SkViewRegister(SkViewCreateFunc func) { fFact = new SkFuncViewFactory(func); fChain = gHead; gHead = this; } SkViewRegister::SkViewRegister(GMFactoryFunc func) { fFact = new SkGMSampleViewFactory(func); fChain = gHead; gHead = this; } class AutoUnrefArray { public: AutoUnrefArray() {} ~AutoUnrefArray() { int count = fObjs.count(); for (int i = 0; i < count; ++i) { fObjs[i]->unref(); } } SkRefCnt*& push_back() { return *fObjs.append(); } private: SkTDArray fObjs; }; // registers GMs as Samples // This can't be performed during static initialization because it could be // run before GMRegistry has been fully built. void SkGMRegistyToSampleRegistry() { static bool gOnce; static AutoUnrefArray fRegisters; if (!gOnce) { const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head(); while (gmreg) { fRegisters.push_back() = new SkViewRegister(gmreg->factory()); gmreg = gmreg->next(); } gOnce = true; } } #if 0 #include #include static void testpdf() { CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf", kCFStringEncodingUTF8); CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path, kCFURLPOSIXPathStyle, false); CFRelease(path); CGRect box = CGRectMake(0, 0, 8*72, 10*72); CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL); CFRelease(url); CGContextBeginPage(cg, &box); CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5); CGContextFillEllipseInRect(cg, r); CGContextEndPage(cg); CGContextRelease(cg); if (false) { SkBitmap bm; bm.setConfig(SkBitmap::kA8_Config, 64, 64); bm.allocPixels(); bm.eraseColor(0); SkCanvas canvas(bm); } } #endif ////////////////////////////////////////////////////////////////////////////// enum FlipAxisEnum { kFlipAxis_X = (1 << 0), kFlipAxis_Y = (1 << 1) }; #include "SkDrawFilter.h" class FlagsDrawFilter : public SkDrawFilter { public: FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, SkOSMenu::TriState filter, SkOSMenu::TriState hinting) : fLCDState(lcd), fAAState(aa), fFilterState(filter), fHintingState(hinting) {} virtual void filter(SkPaint* paint, Type t) { if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) { paint->setLCDRenderText(SkOSMenu::kOnState == fLCDState); } if (SkOSMenu::kMixedState != fAAState) { paint->setAntiAlias(SkOSMenu::kOnState == fAAState); } if (SkOSMenu::kMixedState != fFilterState) { paint->setFilterBitmap(SkOSMenu::kOnState == fFilterState); } if (SkOSMenu::kMixedState != fHintingState) { paint->setHinting(SkOSMenu::kOnState == fHintingState ? SkPaint::kNormal_Hinting : SkPaint::kSlight_Hinting); } } private: SkOSMenu::TriState fLCDState; SkOSMenu::TriState fAAState; SkOSMenu::TriState fFilterState; SkOSMenu::TriState fHintingState; }; ////////////////////////////////////////////////////////////////////////////// #define MAX_ZOOM_LEVEL 8 #define MIN_ZOOM_LEVEL -8 static const char gCharEvtName[] = "SampleCode_Char_Event"; static const char gKeyEvtName[] = "SampleCode_Key_Event"; static const char gTitleEvtName[] = "SampleCode_Title_Event"; static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; static const char gFastTextEvtName[] = "SampleCode_FastText_Event"; static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle"; bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) { if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) { if (outUni) { *outUni = evt.getFast32(); } return true; } return false; } bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) { if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) { if (outKey) { *outKey = (SkKey)evt.getFast32(); } return true; } return false; } bool SampleCode::TitleQ(const SkEvent& evt) { return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); } void SampleCode::TitleR(SkEvent* evt, const char title[]) { SkASSERT(evt && TitleQ(*evt)); evt->setString(gTitleEvtName, title); } bool SampleCode::RequestTitle(SkView* view, SkString* title) { SkEvent evt(gTitleEvtName); if (view->doQuery(&evt)) { title->set(evt.findString(gTitleEvtName)); return true; } return false; } bool SampleCode::PrefSizeQ(const SkEvent& evt) { return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); } void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { SkASSERT(evt && PrefSizeQ(*evt)); SkScalar size[2]; size[0] = width; size[1] = height; evt->setScalars(gPrefSizeEvtName, 2, size); } bool SampleCode::FastTextQ(const SkEvent& evt) { return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1); } /////////////////////////////////////////////////////////////////////////////// static SkMSec gAnimTime; static SkMSec gAnimTimePrev; SkMSec SampleCode::GetAnimTime() { return gAnimTime; } SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; } SkScalar SampleCode::GetAnimSecondsDelta() { return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0); } SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) { // since gAnimTime can be up to 32 bits, we can't convert it to a float // or we'll lose the low bits. Hence we use doubles for the intermediate // calculations double seconds = (double)gAnimTime / 1000.0; double value = SkScalarToDouble(speed) * seconds; if (period) { value = ::fmod(value, SkScalarToDouble(period)); } return SkDoubleToScalar(value); } SkScalar SampleCode::GetAnimSinScalar(SkScalar amplitude, SkScalar periodInSec, SkScalar phaseInSec) { if (!periodInSec) { return 0; } double t = (double)gAnimTime / 1000.0 + phaseInSec; t *= SkScalarToFloat(2 * SK_ScalarPI) / periodInSec; amplitude = SK_ScalarHalf * amplitude; return SkScalarMul(amplitude, SkDoubleToScalar(sin(t))) + amplitude; } GrContext* SampleCode::GetGr() { return gSampleWindow ? gSampleWindow->getGrContext() : NULL; } // some GMs rely on having a skiagm::GetGr function defined namespace skiagm { GrContext* GetGr() { return SampleCode::GetGr(); } } ////////////////////////////////////////////////////////////////////////////// static SkView* curr_view(SkWindow* wind) { SkView::F2BIter iter(wind); return iter.next(); } static bool curr_title(SkWindow* wind, SkString* title) { SkView* view = curr_view(wind); if (view) { SkEvent evt(gTitleEvtName); if (view->doQuery(&evt)) { title->set(evt.findString(gTitleEvtName)); return true; } } return false; } void SampleWindow::setZoomCenter(float x, float y) { fZoomCenterX = SkFloatToScalar(x); fZoomCenterY = SkFloatToScalar(y); } bool SampleWindow::zoomIn() { // Arbitrarily decided if (fFatBitsScale == 25) return false; fFatBitsScale++; this->inval(NULL); return true; } bool SampleWindow::zoomOut() { if (fFatBitsScale == 1) return false; fFatBitsScale--; this->inval(NULL); return true; } void SampleWindow::updatePointer(int x, int y) { fMouseX = x; fMouseY = y; if (fShowZoomer) { this->inval(NULL); } } static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) { static const SampleWindow::DeviceType gCT[] = { SampleWindow::kPicture_DeviceType, SampleWindow::kGPU_DeviceType, #if SK_ANGLE SampleWindow::kANGLE_DeviceType, #endif SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling SampleWindow::kRaster_DeviceType }; return gCT[ct]; } static void usage(const char * argv0) { SkDebugf("%s [--slide sampleName] [-i resourcePath] [-msaa sampleCount]\n", argv0); SkDebugf(" sampleName: sample at which to start.\n"); SkDebugf(" resourcePath: directory that stores image resources.\n"); SkDebugf(" msaa: request multisampling with the given sample count.\n"); } SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager) : INHERITED(hwnd) , fDevManager(NULL) { SkGMRegistyToSampleRegistry(); { const SkViewRegister* reg = SkViewRegister::Head(); while (reg) { *fSamples.append() = reg->factory(); reg = reg->next(); } } const char* resourcePath = NULL; fCurrIndex = -1; fMSAASampleCount = 0; const char* const commandName = argv[0]; char* const* stop = argv + argc; for (++argv; argv < stop; ++argv) { if (strcmp(*argv, "-i") == 0) { argv++; if (argv < stop && **argv) { resourcePath = *argv; } } else if (strcmp(*argv, "--slide") == 0) { argv++; if (argv < stop && **argv) { fCurrIndex = findByTitle(*argv); if (fCurrIndex < 0) { fprintf(stderr, "Unknown sample \"%s\"\n", *argv); } } } else if (strcmp(*argv, "--msaa") == 0) { ++argv; if (argv < stop && **argv) { fMSAASampleCount = atoi(*argv); } } else { usage(commandName); } } if (fCurrIndex < 0) { SkString title; if (readTitleFromPrefs(&title)) { fCurrIndex = findByTitle(title.c_str()); } } if (fCurrIndex < 0) { fCurrIndex = 0; } gSampleWindow = this; #ifdef PIPE_FILE //Clear existing file or create file if it doesn't exist FILE* f = fopen(FILE_PATH, "wb"); fclose(f); #endif fPicture = NULL; fDeviceType = kRaster_DeviceType; #if DEFAULT_TO_GPU fDeviceType = kGPU_DeviceType; #endif #if SK_ANGLE && DEFAULT_TO_ANGLE fDeviceType = kANGLE_DeviceType; #endif fUseClip = false; fNClip = false; fAnimating = false; fRotate = false; fPerspAnim = false; fPerspAnimTime = 0; fScale = false; fRequestGrabImage = false; fUsePipe = false; fMeasureFPS = false; fLCDState = SkOSMenu::kMixedState; fAAState = SkOSMenu::kMixedState; fFilterState = SkOSMenu::kMixedState; fHintingState = SkOSMenu::kMixedState; fFlipAxis = 0; fScrollTestX = fScrollTestY = 0; fMouseX = fMouseY = 0; fFatBitsScale = 8; fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold); fShowZoomer = false; fZoomLevel = 0; fZoomScale = SK_Scalar1; fMagnify = false; fDebugger = false; fSaveToPdf = false; fPdfCanvas = NULL; fTransitionNext = 6; fTransitionPrev = 2; int sinkID = this->getSinkID(); fAppMenu.setTitle("Global Settings"); int itemID; itemID =fAppMenu.appendList("Device Type", "Device Type", sinkID, 0, "Raster", "Picture", "OpenGL", #if SK_ANGLE "ANGLE", #endif NULL); fAppMenu.assignKeyEquivalentToItem(itemID, 'd'); itemID = fAppMenu.appendTriState("AA", "AA", sinkID, fAAState); fAppMenu.assignKeyEquivalentToItem(itemID, 'b'); itemID = fAppMenu.appendTriState("LCD", "LCD", sinkID, fLCDState); fAppMenu.assignKeyEquivalentToItem(itemID, 'l'); itemID = fAppMenu.appendTriState("Filter", "Filter", sinkID, fFilterState); fAppMenu.assignKeyEquivalentToItem(itemID, 'n'); itemID = fAppMenu.appendTriState("Hinting", "Hinting", sinkID, fHintingState); fAppMenu.assignKeyEquivalentToItem(itemID, 'h'); fUsePipeMenuItemID = fAppMenu.appendSwitch("Pipe", "Pipe" , sinkID, fUsePipe); fAppMenu.assignKeyEquivalentToItem(fUsePipeMenuItemID, 'p'); #ifdef DEBUGGER itemID = fAppMenu.appendSwitch("Debugger", "Debugger", sinkID, fDebugger); fAppMenu.assignKeyEquivalentToItem(itemID, 'q'); #endif itemID = fAppMenu.appendSwitch("Slide Show", "Slide Show" , sinkID, false); fAppMenu.assignKeyEquivalentToItem(itemID, 'a'); itemID = fAppMenu.appendSwitch("Clip", "Clip" , sinkID, fUseClip); fAppMenu.assignKeyEquivalentToItem(itemID, 'c'); itemID = fAppMenu.appendSwitch("Flip X", "Flip X" , sinkID, false); fAppMenu.assignKeyEquivalentToItem(itemID, 'x'); itemID = fAppMenu.appendSwitch("Flip Y", "Flip Y" , sinkID, false); fAppMenu.assignKeyEquivalentToItem(itemID, 'y'); itemID = fAppMenu.appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer); fAppMenu.assignKeyEquivalentToItem(itemID, 'z'); itemID = fAppMenu.appendSwitch("Magnify", "Magnify" , sinkID, fMagnify); fAppMenu.assignKeyEquivalentToItem(itemID, 'm'); itemID =fAppMenu.appendList("Transition-Next", "Transition-Next", sinkID, fTransitionNext, "Up", "Up and Right", "Right", "Down and Right", "Down", "Down and Left", "Left", "Up and Left", NULL); fAppMenu.assignKeyEquivalentToItem(itemID, 'j'); itemID =fAppMenu.appendList("Transition-Prev", "Transition-Prev", sinkID, fTransitionPrev, "Up", "Up and Right", "Right", "Down and Right", "Down", "Down and Left", "Left", "Up and Left", NULL); fAppMenu.assignKeyEquivalentToItem(itemID, 'k'); itemID = fAppMenu.appendAction("Save to PDF", sinkID); fAppMenu.assignKeyEquivalentToItem(itemID, 'e'); this->addMenu(&fAppMenu); this->addMenu(&fSlideMenu); // this->setConfig(SkBitmap::kRGB_565_Config); this->setConfig(SkBitmap::kARGB_8888_Config); this->setVisibleP(true); this->setClipToBounds(false); skiagm::GM::SetResourcePath(resourcePath); this->loadView((*fSamples[fCurrIndex])()); fPDFData = NULL; if (NULL == devManager) { fDevManager = new DefaultDeviceManager(); } else { devManager->ref(); fDevManager = devManager; } fDevManager->setUpBackend(this, fMSAASampleCount); // If another constructor set our dimensions, ensure that our // onSizeChange gets called. if (this->height() && this->width()) { this->onSizeChange(); } // can't call this synchronously, since it may require a subclass to // to implement, or the caller may need us to have returned from the // constructor first. Hence we post an event to ourselves. // this->updateTitle(); postEventToSink(new SkEvent(gUpdateWindowTitleEvtName), this); } SampleWindow::~SampleWindow() { delete fPicture; delete fPdfCanvas; fTypeface->unref(); SkSafeUnref(fDevManager); } int SampleWindow::findByTitle(const char title[]) { int i, count = fSamples.count(); for (i = 0; i < count; i++) { if (getSampleTitle(i).equals(title)) { return i; } } return -1; } static SkBitmap capture_bitmap(SkCanvas* canvas) { SkBitmap bm; const SkBitmap& src = canvas->getDevice()->accessBitmap(false); src.copyTo(&bm, src.config()); return bm; } static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, SkBitmap* diff) { const SkBitmap& src = canvas->getDevice()->accessBitmap(false); SkAutoLockPixels alp0(src); SkAutoLockPixels alp1(orig); for (int y = 0; y < src.height(); y++) { const void* srcP = src.getAddr(0, y); const void* origP = orig.getAddr(0, y); size_t bytes = src.width() * src.bytesPerPixel(); if (memcmp(srcP, origP, bytes)) { SkDebugf("---------- difference on line %d\n", y); return true; } } return false; } static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint) { SkColor desiredColor = paint.getColor(); paint.setColor(SK_ColorWHITE); const char* c_str = string.c_str(); size_t size = string.size(); SkRect bounds; paint.measureText(c_str, size, &bounds); bounds.offset(left, top); SkScalar inset = SkIntToScalar(-2); bounds.inset(inset, inset); canvas->drawRect(bounds, paint); if (desiredColor != SK_ColorBLACK) { paint.setColor(SK_ColorBLACK); canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint); } paint.setColor(desiredColor); canvas->drawText(c_str, size, left, top, paint); } #define XCLIP_N 8 #define YCLIP_N 8 void SampleWindow::draw(SkCanvas* canvas) { if (!fDevManager->prepareCanvas(fDeviceType, canvas, this)) { return; } // update the animation time if (!gAnimTimePrev && !gAnimTime) { // first time make delta be 0 gAnimTime = SkTime::GetMSecs(); gAnimTimePrev = gAnimTime; } else { gAnimTimePrev = gAnimTime; gAnimTime = SkTime::GetMSecs(); } const SkMatrix& localM = fGesture.localM(); if (localM.getType() & SkMatrix::kScale_Mask) { canvas->setExternalMatrix(&localM); } if (fGesture.isActive()) { this->updateMatrix(); } if (fNClip) { this->INHERITED::draw(canvas); SkBitmap orig = capture_bitmap(canvas); const SkScalar w = this->width(); const SkScalar h = this->height(); const SkScalar cw = w / XCLIP_N; const SkScalar ch = h / YCLIP_N; for (int y = 0; y < YCLIP_N; y++) { SkRect r; r.fTop = y * ch; r.fBottom = (y + 1) * ch; if (y == YCLIP_N - 1) { r.fBottom = h; } for (int x = 0; x < XCLIP_N; x++) { SkAutoCanvasRestore acr(canvas, true); r.fLeft = x * cw; r.fRight = (x + 1) * cw; if (x == XCLIP_N - 1) { r.fRight = w; } canvas->clipRect(r); this->INHERITED::draw(canvas); } } SkBitmap diff; if (bitmap_diff(canvas, orig, &diff)) { } } else { this->INHERITED::draw(canvas); } if (fShowZoomer && !fSaveToPdf) { showZoomer(canvas); } if (fMagnify && !fSaveToPdf) { magnify(canvas); } // do this last fDevManager->publishCanvas(fDeviceType, canvas, this); } static float clipW = 200; static float clipH = 200; void SampleWindow::magnify(SkCanvas* canvas) { SkRect r; int count = canvas->save(); SkMatrix m = canvas->getTotalMatrix(); m.invert(&m); SkPoint offset, center; SkScalar mouseX = fMouseX * SK_Scalar1; SkScalar mouseY = fMouseY * SK_Scalar1; m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset); m.mapXY(mouseX, mouseY, ¢er); r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX()); r.offset(offset.fX, offset.fY); SkPaint paint; paint.setColor(0xFF66AAEE); paint.setStyle(SkPaint::kStroke_Style); paint.setStrokeWidth(10.f * m.getScaleX()); //lense offset //canvas->translate(0, -250); canvas->drawRect(r, paint); canvas->clipRect(r); m = canvas->getTotalMatrix(); m.setTranslate(-center.fX, -center.fY); m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale); m.postTranslate(center.fX, center.fY); canvas->concat(m); this->INHERITED::draw(canvas); canvas->restoreToCount(count); } void SampleWindow::showZoomer(SkCanvas* canvas) { int count = canvas->save(); canvas->resetMatrix(); // Ensure the mouse position is on screen. int width = SkScalarRound(this->width()); int height = SkScalarRound(this->height()); if (fMouseX >= width) fMouseX = width - 1; else if (fMouseX < 0) fMouseX = 0; if (fMouseY >= height) fMouseY = height - 1; else if (fMouseY < 0) fMouseY = 0; SkBitmap bitmap = capture_bitmap(canvas); bitmap.lockPixels(); // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle. int zoomedWidth = (width >> 1) | 1; int zoomedHeight = (height >> 1) | 1; SkIRect src; src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale); src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1)); SkRect dest; dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight)); dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight)); SkPaint paint; // Clear the background behind our zoomed in view paint.setColor(SK_ColorWHITE); canvas->drawRect(dest, paint); canvas->drawBitmapRect(bitmap, &src, dest); paint.setColor(SK_ColorBLACK); paint.setStyle(SkPaint::kStroke_Style); // Draw a border around the pixel in the middle SkRect originalPixel; originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1)); SkMatrix matrix; SkRect scalarSrc; scalarSrc.set(src); SkColor color = bitmap.getColor(fMouseX, fMouseY); if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) { SkRect pixel; matrix.mapRect(&pixel, originalPixel); // TODO Perhaps measure the values and make the outline white if it's "dark" if (color == SK_ColorBLACK) { paint.setColor(SK_ColorWHITE); } canvas->drawRect(pixel, paint); } paint.setColor(SK_ColorBLACK); // Draw a border around the destination rectangle canvas->drawRect(dest, paint); paint.setStyle(SkPaint::kStrokeAndFill_Style); // Identify the pixel and its color on screen paint.setTypeface(fTypeface); paint.setAntiAlias(true); SkScalar lineHeight = paint.getFontMetrics(NULL); SkString string; string.appendf("(%i, %i)", fMouseX, fMouseY); SkScalar left = dest.fLeft + SkIntToScalar(3); SkScalar i = SK_Scalar1; drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); // Alpha i += SK_Scalar1; string.reset(); string.appendf("A: %X", SkColorGetA(color)); drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); // Red i += SK_Scalar1; string.reset(); string.appendf("R: %X", SkColorGetR(color)); paint.setColor(SK_ColorRED); drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); // Green i += SK_Scalar1; string.reset(); string.appendf("G: %X", SkColorGetG(color)); paint.setColor(SK_ColorGREEN); drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); // Blue i += SK_Scalar1; string.reset(); string.appendf("B: %X", SkColorGetB(color)); paint.setColor(SK_ColorBLUE); drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); canvas->restoreToCount(count); } void SampleWindow::onDraw(SkCanvas* canvas) { } #include "SkColorPriv.h" static void reverseRedAndBlue(const SkBitmap& bm) { SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); uint8_t* p = (uint8_t*)bm.getPixels(); uint8_t* stop = p + bm.getSize(); while (p < stop) { // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply unsigned scale = SkAlpha255To256(p[3]); unsigned r = p[2]; unsigned b = p[0]; p[0] = SkAlphaMul(r, scale); p[1] = SkAlphaMul(p[1], scale); p[2] = SkAlphaMul(b, scale); p += 4; } } void SampleWindow::saveToPdf() { fSaveToPdf = true; this->inval(NULL); } SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { if (fSaveToPdf) { const SkBitmap& bmp = canvas->getDevice()->accessBitmap(false); SkISize size = SkISize::Make(bmp.width(), bmp.height()); SkPDFDevice* pdfDevice = new SkPDFDevice(size, size, canvas->getTotalMatrix()); fPdfCanvas = new SkCanvas(pdfDevice); pdfDevice->unref(); canvas = fPdfCanvas; } else { switch (fDeviceType) { case kRaster_DeviceType: // fallthrough case kGPU_DeviceType: // fallthrough #if SK_ANGLE case kANGLE_DeviceType: #endif canvas = this->INHERITED::beforeChildren(canvas); break; case kPicture_DeviceType: fPicture = new SkPicture; canvas = fPicture->beginRecording(9999, 9999); break; case kNullGPU_DeviceType: break; default: SkASSERT(false); break; } } if (fUseClip) { canvas->drawColor(0xFFFF88FF); canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true); } return canvas; } static void paint_rgn(const SkBitmap& bm, const SkIRect& r, const SkRegion& rgn) { SkCanvas canvas(bm); SkRegion inval(rgn); inval.translate(r.fLeft, r.fTop); canvas.clipRegion(inval); canvas.drawColor(0xFFFF8080); } #include "SkData.h" void SampleWindow::afterChildren(SkCanvas* orig) { if (fSaveToPdf) { fSaveToPdf = false; if (fShowZoomer) { showZoomer(fPdfCanvas); } SkString name; name.printf("%s.pdf", this->getTitle()); SkPDFDocument doc; SkPDFDevice* device = static_cast(fPdfCanvas->getDevice()); doc.appendPage(device); #ifdef SK_BUILD_FOR_ANDROID name.prepend("/sdcard/"); #endif #ifdef SK_BUILD_FOR_IOS SkDynamicMemoryWStream mstream; doc.emitPDF(&mstream); fPDFData = mstream.copyToData(); #endif SkFILEWStream stream(name.c_str()); if (stream.isValid()) { doc.emitPDF(&stream); const char* desc = "File saved from Skia SampleApp"; this->onPDFSaved(this->getTitle(), desc, name.c_str()); } delete fPdfCanvas; fPdfCanvas = NULL; // We took over the draw calls in order to create the PDF, so we need // to redraw. this->inval(NULL); return; } if (fRequestGrabImage) { fRequestGrabImage = false; SkDevice* device = orig->getDevice(); SkBitmap bmp; if (device->accessBitmap(false).copyTo(&bmp, SkBitmap::kARGB_8888_Config)) { static int gSampleGrabCounter; SkString name; name.printf("sample_grab_%d", gSampleGrabCounter++); SkImageEncoder::EncodeFile(name.c_str(), bmp, SkImageEncoder::kPNG_Type, 100); } } if (kPicture_DeviceType == fDeviceType) { if (true) { SkPicture* pict = new SkPicture(*fPicture); fPicture->unref(); this->installDrawFilter(orig); orig->drawPicture(*pict); pict->unref(); } else if (true) { SkDynamicMemoryWStream ostream; fPicture->serialize(&ostream); fPicture->unref(); SkAutoDataUnref data(ostream.copyToData()); SkMemoryStream istream(data.data(), data.size()); SkPicture pict(&istream); orig->drawPicture(pict); } else { fPicture->draw(orig); fPicture->unref(); } fPicture = NULL; } // Do this after presentGL and other finishing, rather than in afterChild if (fMeasureFPS && fMeasureFPS_Time) { fMeasureFPS_Time = SkTime::GetMSecs() - fMeasureFPS_Time; this->updateTitle(); this->postInvalDelay(); } // if ((fScrollTestX | fScrollTestY) != 0) if (false) { const SkBitmap& bm = orig->getDevice()->accessBitmap(true); int dx = fScrollTestX * 7; int dy = fScrollTestY * 7; SkIRect r; SkRegion inval; r.set(50, 50, 50+100, 50+100); bm.scrollRect(&r, dx, dy, &inval); paint_rgn(bm, r, inval); } #ifdef DEBUGGER SkView* curr = curr_view(this); if (fDebugger && !is_debugger(curr) && !is_transition(curr) && !is_overview(curr)) { //Stop Pipe when fDebugger is active fUsePipe = false; (void)SampleView::SetUsePipe(curr, false); fAppMenu.getItemByID(fUsePipeMenuItemID)->setBool(fUsePipe); this->onUpdateMenu(&fAppMenu); //Reset any transformations fGesture.stop(); fGesture.reset(); this->loadView(create_debugger(gTempDataStore.begin(), gTempDataStore.count())); } #endif } void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { if (fScale) { SkScalar scale = SK_Scalar1 * 7 / 10; SkScalar cx = this->width() / 2; SkScalar cy = this->height() / 2; canvas->translate(cx, cy); canvas->scale(scale, scale); canvas->translate(-cx, -cy); } if (fRotate) { SkScalar cx = this->width() / 2; SkScalar cy = this->height() / 2; canvas->translate(cx, cy); canvas->rotate(SkIntToScalar(30)); canvas->translate(-cx, -cy); } if (fPerspAnim) { fPerspAnimTime += SampleCode::GetAnimSecondsDelta(); static const SkScalar gAnimPeriod = 10 * SK_Scalar1; static const SkScalar gAnimMag = SK_Scalar1 / 1000; SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod); if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) { t = gAnimPeriod - t; } t = 2 * t - gAnimPeriod; t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag); SkMatrix m; m.reset(); m.setPerspY(t); canvas->concat(m); } this->installDrawFilter(canvas); if (fMeasureFPS) { fMeasureFPS_Time = 0; // 0 means the child is not aware of repeat-draw if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { fMeasureFPS_Time = SkTime::GetMSecs(); } } else { (void)SampleView::SetRepeatDraw(child, 1); } if (fPerspAnim) { this->inval(NULL); } //(void)SampleView::SetUsePipe(child, fUsePipe); } void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { canvas->setDrawFilter(NULL); } static SkBitmap::Config gConfigCycle[] = { SkBitmap::kNo_Config, // none -> none SkBitmap::kNo_Config, // a1 -> none SkBitmap::kNo_Config, // a8 -> none SkBitmap::kNo_Config, // index8 -> none SkBitmap::kARGB_4444_Config, // 565 -> 4444 SkBitmap::kARGB_8888_Config, // 4444 -> 8888 SkBitmap::kRGB_565_Config // 8888 -> 565 }; static SkBitmap::Config cycle_configs(SkBitmap::Config c) { return gConfigCycle[c]; } void SampleWindow::changeZoomLevel(float delta) { fZoomLevel += SkFloatToScalar(delta); if (fZoomLevel > 0) { fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL); fZoomScale = fZoomLevel + SK_Scalar1; } else if (fZoomLevel < 0) { fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL); fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel); } else { fZoomScale = SK_Scalar1; } this->updateMatrix(); } void SampleWindow::updateMatrix(){ SkMatrix m; m.reset(); if (fZoomLevel) { SkPoint center; //m = this->getLocalMatrix();//.invert(&m); m.mapXY(fZoomCenterX, fZoomCenterY, ¢er); SkScalar cx = center.fX; SkScalar cy = center.fY; m.setTranslate(-cx, -cy); m.postScale(fZoomScale, fZoomScale); m.postTranslate(cx, cy); } if (fFlipAxis) { m.preTranslate(fZoomCenterX, fZoomCenterY); if (fFlipAxis & kFlipAxis_X) { m.preScale(-SK_Scalar1, SK_Scalar1); } if (fFlipAxis & kFlipAxis_Y) { m.preScale(SK_Scalar1, -SK_Scalar1); } m.preTranslate(-fZoomCenterX, -fZoomCenterY); //canvas->concat(m); } // Apply any gesture matrix m.preConcat(fGesture.localM()); m.preConcat(fGesture.globalM()); this->setLocalMatrix(m); this->updateTitle(); this->inval(NULL); } bool SampleWindow::previousSample() { fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count(); this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), fTransitionPrev)); return true; } bool SampleWindow::nextSample() { fCurrIndex = (fCurrIndex + 1) % fSamples.count(); this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(), fTransitionNext)); return true; } bool SampleWindow::goToSample(int i) { fCurrIndex = (i) % fSamples.count(); this->loadView(create_transition(curr_view(this),(*fSamples[fCurrIndex])(), 6)); return true; } SkString SampleWindow::getSampleTitle(int i) { SkView* view = (*fSamples[i])(); SkString title; SampleCode::RequestTitle(view, &title); view->unref(); return title; } int SampleWindow::sampleCount() { return fSamples.count(); } void SampleWindow::showOverview() { this->loadView(create_transition(curr_view(this), create_overview(fSamples.count(), fSamples.begin()), 4)); } void SampleWindow::installDrawFilter(SkCanvas* canvas) { canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState, fFilterState, fHintingState))->unref(); } void SampleWindow::postAnimatingEvent() { if (fAnimating) { (new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY); } } bool SampleWindow::onEvent(const SkEvent& evt) { if (evt.isType(gUpdateWindowTitleEvtName)) { this->updateTitle(); return true; } if (evt.isType(ANIMATING_EVENTTYPE)) { if (fAnimating) { this->nextSample(); this->postAnimatingEvent(); } return true; } if (evt.isType("replace-transition-view")) { this->loadView((SkView*)SkEventSink::FindSink(evt.getFast32())); return true; } if (evt.isType("set-curr-index")) { this->goToSample(evt.getFast32()); return true; } if (isInvalEvent(evt)) { this->inval(NULL); return true; } int selected = -1; if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) { this->setDeviceType((DeviceType)selected); return true; } if (SkOSMenu::FindSwitchState(evt, "Pipe", &fUsePipe)) { #ifdef PIPE_NET if (!fUsePipe) gServer.disconnectAll(); #endif (void)SampleView::SetUsePipe(curr_view(this), fUsePipe); this->updateTitle(); this->inval(NULL); return true; } if (SkOSMenu::FindSwitchState(evt, "Slide Show", NULL)) { this->toggleSlideshow(); return true; } if (SkOSMenu::FindTriState(evt, "AA", &fAAState) || SkOSMenu::FindTriState(evt, "LCD", &fLCDState) || SkOSMenu::FindTriState(evt, "Filter", &fFilterState) || SkOSMenu::FindTriState(evt, "Hinting", &fHintingState) || SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) || SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) || SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) || SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) || SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) { this->inval(NULL); this->updateTitle(); return true; } if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) { fFlipAxis ^= kFlipAxis_X; this->updateMatrix(); return true; } if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) { fFlipAxis ^= kFlipAxis_Y; this->updateMatrix(); return true; } if (SkOSMenu::FindAction(evt,"Save to PDF")) { this->saveToPdf(); return true; } #ifdef DEBUGGER if (SkOSMenu::FindSwitchState(evt, "Debugger", &fDebugger)) { if (fDebugger) { fUsePipe = true; (void)SampleView::SetUsePipe(curr_view(this), true); } else { this->loadView(fSamples[fCurrIndex]()); } this->inval(NULL); return true; } #endif return this->INHERITED::onEvent(evt); } bool SampleWindow::onQuery(SkEvent* query) { if (query->isType("get-slide-count")) { query->setFast32(fSamples.count()); return true; } if (query->isType("get-slide-title")) { SkView* view = (*fSamples[query->getFast32()])(); SkEvent evt(gTitleEvtName); if (view->doQuery(&evt)) { query->setString("title", evt.findString(gTitleEvtName)); } SkSafeUnref(view); return true; } if (query->isType("use-fast-text")) { SkEvent evt(gFastTextEvtName); return curr_view(this)->doQuery(&evt); } if (query->isType("ignore-window-bitmap")) { query->setFast32(this->getGrContext() != NULL); return true; } return this->INHERITED::onQuery(query); } static void cleanup_for_filename(SkString* name) { char* str = name->writable_str(); for (size_t i = 0; i < name->size(); i++) { switch (str[i]) { case ':': str[i] = '-'; break; case '/': str[i] = '-'; break; case ' ': str[i] = '_'; break; default: break; } } } bool SampleWindow::onHandleChar(SkUnichar uni) { { SkView* view = curr_view(this); if (view) { SkEvent evt(gCharEvtName); evt.setFast32(uni); if (view->doQuery(&evt)) { return true; } } } int dx = 0xFF; int dy = 0xFF; switch (uni) { case '5': dx = 0; dy = 0; break; case '8': dx = 0; dy = -1; break; case '6': dx = 1; dy = 0; break; case '2': dx = 0; dy = 1; break; case '4': dx = -1; dy = 0; break; case '7': dx = -1; dy = -1; break; case '9': dx = 1; dy = -1; break; case '3': dx = 1; dy = 1; break; case '1': dx = -1; dy = 1; break; default: break; } if (0xFF != dx && 0xFF != dy) { if ((dx | dy) == 0) { fScrollTestX = fScrollTestY = 0; } else { fScrollTestX += dx; fScrollTestY += dy; } this->inval(NULL); return true; } switch (uni) { case 'f': // only toggleFPS(); break; case 'g': fRequestGrabImage = true; this->inval(NULL); break; case 'i': this->zoomIn(); break; case 'o': this->zoomOut(); break; case 'r': fRotate = !fRotate; this->inval(NULL); this->updateTitle(); return true; case 'k': fPerspAnim = !fPerspAnim; this->inval(NULL); this->updateTitle(); return true; case '\\': this->setDeviceType(kNullGPU_DeviceType); this->inval(NULL); this->updateTitle(); return true; case 'p': { GrContext* grContext = this->getGrContext(); if (grContext) { size_t cacheBytes = grContext->getGpuTextureCacheBytes(); grContext->freeGpuResources(); SkDebugf("Purged %d bytes from the GPU resource cache.\n", cacheBytes); } } return true; case 's': fScale = !fScale; this->inval(NULL); this->updateTitle(); return true; default: break; } if (fAppMenu.handleKeyEquivalent(uni)|| fSlideMenu.handleKeyEquivalent(uni)) { this->onUpdateMenu(&fAppMenu); this->onUpdateMenu(&fSlideMenu); return true; } return this->INHERITED::onHandleChar(uni); } void SampleWindow::setDeviceType(DeviceType type) { if (type == fDeviceType) return; fDevManager->tearDownBackend(this); fDeviceType = type; fDevManager->setUpBackend(this, fMSAASampleCount); this->updateTitle(); this->inval(NULL); } void SampleWindow::toggleSlideshow() { fAnimating = !fAnimating; this->postAnimatingEvent(); this->updateTitle(); } void SampleWindow::toggleRendering() { this->setDeviceType(cycle_devicetype(fDeviceType)); this->updateTitle(); this->inval(NULL); } void SampleWindow::toggleFPS() { fMeasureFPS = !fMeasureFPS; this->updateTitle(); this->inval(NULL); } #include "SkDumpCanvas.h" bool SampleWindow::onHandleKey(SkKey key) { { SkView* view = curr_view(this); if (view) { SkEvent evt(gKeyEvtName); evt.setFast32(key); if (view->doQuery(&evt)) { return true; } } } switch (key) { case kRight_SkKey: if (this->nextSample()) { return true; } break; case kLeft_SkKey: toggleRendering(); return true; case kUp_SkKey: if (USE_ARROWS_FOR_ZOOM) { this->changeZoomLevel(1.f); } else { fNClip = !fNClip; this->inval(NULL); this->updateTitle(); } return true; case kDown_SkKey: if (USE_ARROWS_FOR_ZOOM) { this->changeZoomLevel(-1.f); } else { this->setConfig(cycle_configs(this->getBitmap().config())); this->updateTitle(); } return true; case kOK_SkKey: { SkString title; if (curr_title(this, &title)) { writeTitleToPrefs(title.c_str()); } return true; } case kBack_SkKey: this->showOverview(); return true; default: break; } return this->INHERITED::onHandleKey(key); } /////////////////////////////////////////////////////////////////////////////// static const char gGestureClickType[] = "GestureClickType"; bool SampleWindow::onDispatchClick(int x, int y, Click::State state, void* owner) { if (Click::kMoved_State == state) { updatePointer(x, y); } int w = SkScalarRound(this->width()); int h = SkScalarRound(this->height()); // check for the resize-box if (w - x < 16 && h - y < 16) { return false; // let the OS handle the click } else if (fMagnify) { //it's only necessary to update the drawing if there's a click this->inval(NULL); return false; //prevent dragging while magnify is enabled } else { return this->INHERITED::onDispatchClick(x, y, state, owner); } } class GestureClick : public SkView::Click { public: GestureClick(SkView* target) : SkView::Click(target) { this->setType(gGestureClickType); } static bool IsGesture(Click* click) { return click->isType(gGestureClickType); } }; SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y) { return new GestureClick(this); } bool SampleWindow::onClick(Click* click) { if (GestureClick::IsGesture(click)) { float x = static_cast(click->fICurr.fX); float y = static_cast(click->fICurr.fY); switch (click->fState) { case SkView::Click::kDown_State: fGesture.touchBegin(click->fOwner, x, y); break; case SkView::Click::kMoved_State: fGesture.touchMoved(click->fOwner, x, y); this->updateMatrix(); break; case SkView::Click::kUp_State: fGesture.touchEnd(click->fOwner); this->updateMatrix(); break; } return true; } return false; } /////////////////////////////////////////////////////////////////////////////// void SampleWindow::loadView(SkView* view) { SkView::F2BIter iter(this); SkView* prev = iter.next(); if (prev) { prev->detachFromParent(); } view->setVisibleP(true); view->setClipToBounds(false); this->attachChildToFront(view)->unref(); view->setSize(this->width(), this->height()); //repopulate the slide menu when a view is loaded fSlideMenu.reset(); #ifdef DEBUGGER if (!is_debugger(view) && !is_overview(view) && !is_transition(view) && fDebugger) { //Force Pipe to be on if using debugger fUsePipe = true; } #endif (void)SampleView::SetUsePipe(view, fUsePipe); if (SampleView::IsSampleView(view)) ((SampleView*)view)->requestMenu(&fSlideMenu); this->onUpdateMenu(&fSlideMenu); this->updateTitle(); } static const char* gConfigNames[] = { "unknown config", "A1", "A8", "Index8", "565", "4444", "8888" }; static const char* configToString(SkBitmap::Config c) { return gConfigNames[c]; } static const char* gDeviceTypePrefix[] = { "raster: ", "picture: ", "opengl: ", #if SK_ANGLE "angle: ", #endif "null-gl: " }; static const bool gDeviceTypeIsGPU[] = { false, false, true, #if SK_ANGLE true, #endif true }; static const char* trystate_str(SkOSMenu::TriState state, const char trueStr[], const char falseStr[]) { if (SkOSMenu::kOnState == state) { return trueStr; } else if (SkOSMenu::kOffState == state) { return falseStr; } return NULL; } void SampleWindow::updateTitle() { SkView* view = curr_view(this); SkString title; if (!curr_title(this, &title)) { title.set(""); } title.prepend(gDeviceTypePrefix[fDeviceType]); title.prepend(" "); title.prepend(configToString(this->getBitmap().config())); if (fAnimating) { title.prepend(" "); } if (fScale) { title.prepend(" "); } if (fRotate) { title.prepend(" "); } if (fNClip) { title.prepend(" "); } if (fPerspAnim) { title.prepend(" "); } title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); title.prepend(trystate_str(fAAState, "AA ", "aa ")); title.prepend(trystate_str(fFilterState, "H ", "h ")); title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); if (fZoomLevel) { title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel)); } if (fMeasureFPS) { title.appendf(" %6.1f ms", fMeasureFPS_Time / (float)FPS_REPEAT_MULTIPLIER); } if (fUsePipe && SampleView::IsSampleView(view)) { title.prepend("

"); } if (SampleView::IsSampleView(view)) { title.prepend("! "); } if (gDeviceTypeIsGPU[fDeviceType] && NULL != fDevManager && fDevManager->getGrRenderTarget()->numSamples() > 0) { title.appendf(" [MSAA: %d]", fDevManager->getGrRenderTarget()->numSamples()); } this->setTitle(title.c_str()); } void SampleWindow::onSizeChange() { this->INHERITED::onSizeChange(); SkView::F2BIter iter(this); SkView* view = iter.next(); view->setSize(this->width(), this->height()); // rebuild our clippath { const SkScalar W = this->width(); const SkScalar H = this->height(); fClipPath.reset(); #if 0 for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { SkRect r; r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) fClipPath.addRect(r); } #else SkRect r; r.set(0, 0, W, H); fClipPath.addRect(r, SkPath::kCCW_Direction); r.set(W/4, H/4, W*3/4, H*3/4); fClipPath.addRect(r, SkPath::kCW_Direction); #endif } fZoomCenterX = SkScalarHalf(this->width()); fZoomCenterY = SkScalarHalf(this->height()); #ifdef SK_BUILD_FOR_ANDROID // FIXME: The first draw after a size change does not work on Android, so // we post an invalidate. this->postInvalDelay(); #endif this->updateTitle(); // to refresh our config fDevManager->windowSizeChanged(this); } /////////////////////////////////////////////////////////////////////////////// static const char is_sample_view_tag[] = "sample-is-sample-view"; static const char repeat_count_tag[] = "sample-set-repeat-count"; static const char set_use_pipe_tag[] = "sample-set-use-pipe"; bool SampleView::IsSampleView(SkView* view) { SkEvent evt(is_sample_view_tag); return view->doQuery(&evt); } bool SampleView::SetRepeatDraw(SkView* view, int count) { SkEvent evt(repeat_count_tag); evt.setFast32(count); return view->doEvent(evt); } bool SampleView::SetUsePipe(SkView* view, bool pred) { SkEvent evt(set_use_pipe_tag); evt.setFast32(pred); return view->doEvent(evt); } bool SampleView::onEvent(const SkEvent& evt) { if (evt.isType(repeat_count_tag)) { fRepeatCount = evt.getFast32(); return true; } if (evt.isType(set_use_pipe_tag)) { fUsePipe = !!evt.getFast32(); return true; } return this->INHERITED::onEvent(evt); } bool SampleView::onQuery(SkEvent* evt) { if (evt->isType(is_sample_view_tag)) { return true; } return this->INHERITED::onQuery(evt); } #ifdef TEST_GPIPE #include "SkGPipe.h" class SimplePC : public SkGPipeController { public: SimplePC(SkCanvas* target); ~SimplePC(); /** * User this method to halt/restart pipe */ void setWriteToPipe(bool writeToPipe) { fWriteToPipe = writeToPipe; } virtual void* requestBlock(size_t minRequest, size_t* actual); virtual void notifyWritten(size_t bytes); private: SkGPipeReader fReader; void* fBlock; size_t fBlockSize; size_t fBytesWritten; int fAtomsWritten; SkGPipeReader::Status fStatus; bool fWriteToPipe; size_t fTotalWritten; }; SimplePC::SimplePC(SkCanvas* target) : fReader(target) { fBlock = NULL; fBlockSize = fBytesWritten = 0; fStatus = SkGPipeReader::kDone_Status; fTotalWritten = 0; fAtomsWritten = 0; fWriteToPipe = true; } SimplePC::~SimplePC() { // SkASSERT(SkGPipeReader::kDone_Status == fStatus); if (fTotalWritten) { if (fWriteToPipe) { SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten, fAtomsWritten, fStatus); #ifdef PIPE_FILE //File is open in append mode FILE* f = fopen(FILE_PATH, "ab"); SkASSERT(f != NULL); fwrite((const char*)fBlock + fBytesWritten, 1, bytes, f); fclose(f); #endif #ifdef PIPE_NET if (fAtomsWritten > 1 && fTotalWritten > 4) { //ignore done gServer.acceptConnections(); gServer.writePacket(fBlock, fTotalWritten); } #endif #ifdef DEBUGGER gTempDataStore.reset(); gTempDataStore.append(fTotalWritten, (const char*)fBlock); #endif } } sk_free(fBlock); } void* SimplePC::requestBlock(size_t minRequest, size_t* actual) { sk_free(fBlock); fBlockSize = minRequest * 4; fBlock = sk_malloc_throw(fBlockSize); fBytesWritten = 0; *actual = fBlockSize; return fBlock; } void SimplePC::notifyWritten(size_t bytes) { SkASSERT(fBytesWritten + bytes <= fBlockSize); fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); SkASSERT(SkGPipeReader::kError_Status != fStatus); fBytesWritten += bytes; fTotalWritten += bytes; fAtomsWritten += 1; } #endif void SampleView::draw(SkCanvas* canvas) { #ifdef TEST_GPIPE if (fUsePipe) { SkGPipeWriter writer; SimplePC controller(canvas); uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; canvas = writer.startRecording(&controller, flags); //Must draw before controller goes out of scope and sends data this->INHERITED::draw(canvas); //explicitly end recording to ensure writer is flushed before the memory //is freed in the deconstructor of the controller writer.endRecording(); controller.setWriteToPipe(fUsePipe); } else this->INHERITED::draw(canvas); #else this->INHERITED::draw(canvas); #endif } void SampleView::onDraw(SkCanvas* canvas) { this->onDrawBackground(canvas); for (int i = 0; i < fRepeatCount; i++) { SkAutoCanvasRestore acr(canvas, true); this->onDrawContent(canvas); } } void SampleView::onDrawBackground(SkCanvas* canvas) { canvas->drawColor(fBGColor); } /////////////////////////////////////////////////////////////////////////////// template void SkTBSort(T array[], int count) { for (int i = 1; i < count - 1; i++) { bool didSwap = false; for (int j = count - 1; j > i; --j) { if (array[j] < array[j-1]) { T tmp(array[j-1]); array[j-1] = array[j]; array[j] = tmp; didSwap = true; } } if (!didSwap) { break; } } for (int k = 0; k < count - 1; k++) { SkASSERT(!(array[k+1] < array[k])); } } #include "SkRandom.h" static void rand_rect(SkIRect* rect, SkRandom& rand) { int bits = 8; int shift = 32 - bits; rect->set(rand.nextU() >> shift, rand.nextU() >> shift, rand.nextU() >> shift, rand.nextU() >> shift); rect->sort(); } static void dumpRect(const SkIRect& r) { SkDebugf(" { %d, %d, %d, %d },\n", r.fLeft, r.fTop, r.fRight, r.fBottom); } static void test_rects(const SkIRect rect[], int count) { SkRegion rgn0, rgn1; for (int i = 0; i < count; i++) { rgn0.op(rect[i], SkRegion::kUnion_Op); // dumpRect(rect[i]); } rgn1.setRects(rect, count); if (rgn0 != rgn1) { SkDebugf("\n"); for (int i = 0; i < count; i++) { dumpRect(rect[i]); } SkDebugf("\n"); } } static void test() { size_t i; const SkIRect r0[] = { { 0, 0, 1, 1 }, { 2, 2, 3, 3 }, }; const SkIRect r1[] = { { 0, 0, 1, 3 }, { 1, 1, 2, 2 }, { 2, 0, 3, 3 }, }; const SkIRect r2[] = { { 0, 0, 1, 2 }, { 2, 1, 3, 3 }, { 4, 0, 5, 1 }, { 6, 0, 7, 4 }, }; static const struct { const SkIRect* fRects; int fCount; } gRecs[] = { { r0, SK_ARRAY_COUNT(r0) }, { r1, SK_ARRAY_COUNT(r1) }, { r2, SK_ARRAY_COUNT(r2) }, }; for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { test_rects(gRecs[i].fRects, gRecs[i].fCount); } SkRandom rand; for (i = 0; i < 10000; i++) { SkRegion rgn0, rgn1; const int N = 8; SkIRect rect[N]; for (int j = 0; j < N; j++) { rand_rect(&rect[j], rand); } test_rects(rect, N); } } SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { // test(); return new SampleWindow(hwnd, argc, argv, NULL); } void get_preferred_size(int* x, int* y, int* width, int* height) { *x = 10; *y = 50; *width = 640; *height = 480; } void application_init() { // setenv("ANDROID_ROOT", "../../../data", 0); #ifdef SK_BUILD_FOR_MAC setenv("ANDROID_ROOT", "/android/device/data", 0); #endif SkGraphics::Init(); SkEvent::Init(); } void application_term() { SkEvent::Term(); SkGraphics::Term(); }