| /* | 
 |  * 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 "OverView.h" | 
 | #include "Resources.h" | 
 | #include "SampleCode.h" | 
 | #include "SamplePipeControllers.h" | 
 | #include "SkCanvas.h" | 
 | #include "SkCommandLineFlags.h" | 
 | #include "SkData.h" | 
 | #include "SkDevice.h" | 
 | #include "SkGPipe.h" | 
 | #include "SkGraphics.h" | 
 | #include "SkImageEncoder.h" | 
 | #include "SkOSFile.h" | 
 | #include "SkPDFDevice.h" | 
 | #include "SkPDFDocument.h" | 
 | #include "SkPaint.h" | 
 | #include "SkPicture.h" | 
 | #include "SkPictureRecorder.h" | 
 | #include "SkStream.h" | 
 | #include "SkSurface.h" | 
 | #include "SkTSort.h" | 
 | #include "SkTime.h" | 
 | #include "SkTypeface.h" | 
 | #include "SkWindow.h" | 
 | #include "TransitionView.h" | 
 | #include "sk_tool_utils.h" | 
 |  | 
 | #if SK_SUPPORT_GPU | 
 | #include "gl/GrGLInterface.h" | 
 | #include "gl/GrGLUtil.h" | 
 | #include "GrRenderTarget.h" | 
 | #include "GrContext.h" | 
 | #include "SkGpuDevice.h" | 
 | #else | 
 | class GrContext; | 
 | #endif | 
 |  | 
 | extern SampleView* CreateSamplePictFileView(const char filename[]); | 
 |  | 
 | class PictFileFactory : public SkViewFactory { | 
 |     SkString fFilename; | 
 | public: | 
 |     PictFileFactory(const SkString& filename) : fFilename(filename) {} | 
 |     virtual SkView* operator() () const SK_OVERRIDE { | 
 |         return CreateSamplePictFileView(fFilename.c_str()); | 
 |     } | 
 | }; | 
 |  | 
 | #ifdef SAMPLE_PDF_FILE_VIEWER | 
 | extern SampleView* CreateSamplePdfFileViewer(const char filename[]); | 
 |  | 
 | class PdfFileViewerFactory : public SkViewFactory { | 
 |     SkString fFilename; | 
 | public: | 
 |     PdfFileViewerFactory(const SkString& filename) : fFilename(filename) {} | 
 |     virtual SkView* operator() () const SK_OVERRIDE { | 
 |         return CreateSamplePdfFileViewer(fFilename.c_str()); | 
 |     } | 
 | }; | 
 | #endif  // SAMPLE_PDF_FILE_VIEWER | 
 |  | 
 | #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 USE_ARROWS_FOR_ZOOM true | 
 |  | 
 | #if SK_ANGLE | 
 | //#define DEFAULT_TO_ANGLE 1 | 
 | #else | 
 | #define DEFAULT_TO_GPU 0 // if 1 default rendering is on GPU | 
 | #endif | 
 |  | 
 | #define ANIMATING_EVENTTYPE "nextSample" | 
 | #define ANIMATING_DELAY     250 | 
 |  | 
 | #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 bool gShowGMBounds; | 
 |  | 
 | static void post_event_to_sink(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; | 
 |     } | 
 |  | 
 |     size_t 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() { | 
 | #if SK_SUPPORT_GPU | 
 |         fCurContext = NULL; | 
 |         fCurIntf = NULL; | 
 |         fCurRenderTarget = NULL; | 
 |         fMSAASampleCount = 0; | 
 | #endif | 
 |         fBackend = kNone_BackEndType; | 
 |     } | 
 |  | 
 |     virtual ~DefaultDeviceManager() { | 
 | #if SK_SUPPORT_GPU | 
 |         SkSafeUnref(fCurContext); | 
 |         SkSafeUnref(fCurIntf); | 
 |         SkSafeUnref(fCurRenderTarget); | 
 | #endif | 
 |     } | 
 |  | 
 |     virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) { | 
 |         SkASSERT(kNone_BackEndType == fBackend); | 
 |  | 
 |         fBackend = kNone_BackEndType; | 
 |  | 
 | #if SK_SUPPORT_GPU | 
 |         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 // SK_ANGLE | 
 |             default: | 
 |                 SkASSERT(false); | 
 |                 break; | 
 |         } | 
 |         AttachmentInfo attachmentInfo; | 
 |         bool result = win->attach(fBackend, msaaSampleCount, &attachmentInfo); | 
 |         if (!result) { | 
 |             SkDebugf("Failed to initialize GL"); | 
 |             return; | 
 |         } | 
 |         fMSAASampleCount = msaaSampleCount; | 
 |  | 
 |         SkASSERT(NULL == fCurIntf); | 
 |         SkAutoTUnref<const GrGLInterface> glInterface; | 
 |         switch (win->getDeviceType()) { | 
 |             case kRaster_DeviceType: | 
 |                 // fallthrough | 
 |             case kPicture_DeviceType: | 
 |                 // fallthrough | 
 |             case kGPU_DeviceType: | 
 |                 // all these guys use the native interface | 
 |                 glInterface.reset(GrGLCreateNativeInterface()); | 
 |                 break; | 
 | #if SK_ANGLE | 
 |             case kANGLE_DeviceType: | 
 |                 glInterface.reset(GrGLCreateANGLEInterface()); | 
 |                 break; | 
 | #endif // SK_ANGLE | 
 |             case kNullGPU_DeviceType: | 
 |                 glInterface.reset(GrGLCreateNullInterface()); | 
 |                 break; | 
 |             default: | 
 |                 SkASSERT(false); | 
 |                 break; | 
 |         } | 
 |  | 
 |         // Currently SampleApp does not use NVPR. TODO: Provide an NVPR device type that is skipped | 
 |         // when the driver doesn't support NVPR. | 
 |         fCurIntf = GrGLInterfaceRemoveNVPR(glInterface.get()); | 
 |  | 
 |         SkASSERT(NULL == fCurContext); | 
 |         fCurContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext) fCurIntf); | 
 |  | 
 |         if (NULL == fCurContext || NULL == fCurIntf) { | 
 |             // We need some context and interface to see results | 
 |             SkSafeUnref(fCurContext); | 
 |             SkSafeUnref(fCurIntf); | 
 |             fCurContext = NULL; | 
 |             fCurIntf = NULL; | 
 |             SkDebugf("Failed to setup 3D"); | 
 |  | 
 |             win->detach(); | 
 |         } | 
 | #endif // SK_SUPPORT_GPU | 
 |         // call windowSizeChanged to create the render target | 
 |         this->windowSizeChanged(win); | 
 |     } | 
 |  | 
 |     virtual void tearDownBackend(SampleWindow *win) { | 
 | #if SK_SUPPORT_GPU | 
 |         SkSafeUnref(fCurContext); | 
 |         fCurContext = NULL; | 
 |  | 
 |         SkSafeUnref(fCurIntf); | 
 |         fCurIntf = NULL; | 
 |  | 
 |         SkSafeUnref(fCurRenderTarget); | 
 |         fCurRenderTarget = NULL; | 
 | #endif | 
 |         win->detach(); | 
 |         fBackend = kNone_BackEndType; | 
 |     } | 
 |  | 
 |     virtual SkCanvas* createCanvas(SampleWindow::DeviceType dType, | 
 |                                    SampleWindow* win) { | 
 | #if SK_SUPPORT_GPU | 
 |         if (IsGpuDeviceType(dType) && NULL != fCurContext) { | 
 |             SkAutoTUnref<SkBaseDevice> device(new SkGpuDevice(fCurContext, fCurRenderTarget)); | 
 |             return new SkCanvas(device); | 
 |         } else | 
 | #endif | 
 |         { | 
 |             return NULL; | 
 |         } | 
 |     } | 
 |  | 
 |     virtual void publishCanvas(SampleWindow::DeviceType dType, | 
 |                                SkCanvas* canvas, | 
 |                                SampleWindow* win) { | 
 | #if SK_SUPPORT_GPU | 
 |         if (fCurContext) { | 
 |             // in case we have queued drawing calls | 
 |             fCurContext->flush(); | 
 |  | 
 |             if (!IsGpuDeviceType(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(), | 
 |                                              SkImageInfo2GrPixelConfig(bm.colorType(), | 
 |                                                                        bm.alphaType()), | 
 |                                              bm.getPixels(), | 
 |                                              bm.rowBytes()); | 
 |             } | 
 |         } | 
 | #endif | 
 |  | 
 |         win->present(); | 
 |     } | 
 |  | 
 |     virtual void windowSizeChanged(SampleWindow* win) { | 
 | #if SK_SUPPORT_GPU | 
 |         if (fCurContext) { | 
 |             AttachmentInfo attachmentInfo; | 
 |             win->attach(fBackend, fMSAASampleCount, &attachmentInfo); | 
 |  | 
 |             GrBackendRenderTargetDesc desc; | 
 |             desc.fWidth = SkScalarRoundToInt(win->width()); | 
 |             desc.fHeight = SkScalarRoundToInt(win->height()); | 
 |             desc.fConfig = kSkia8888_GrPixelConfig; | 
 |             desc.fOrigin = kBottomLeft_GrSurfaceOrigin; | 
 |             desc.fSampleCnt = attachmentInfo.fSampleCount; | 
 |             desc.fStencilBits = attachmentInfo.fStencilBits; | 
 |             GrGLint buffer; | 
 |             GR_GL_GetIntegerv(fCurIntf, GR_GL_FRAMEBUFFER_BINDING, &buffer); | 
 |             desc.fRenderTargetHandle = buffer; | 
 |  | 
 |             SkSafeUnref(fCurRenderTarget); | 
 |             fCurRenderTarget = fCurContext->wrapBackendRenderTarget(desc); | 
 |         } | 
 | #endif | 
 |     } | 
 |  | 
 |     virtual GrContext* getGrContext() { | 
 | #if SK_SUPPORT_GPU | 
 |         return fCurContext; | 
 | #else | 
 |         return NULL; | 
 | #endif | 
 |     } | 
 |  | 
 |     virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE { | 
 | #if SK_SUPPORT_GPU | 
 |         return fCurRenderTarget; | 
 | #else | 
 |         return NULL; | 
 | #endif | 
 |     } | 
 |  | 
 | private: | 
 |  | 
 | #if SK_SUPPORT_GPU | 
 |     GrContext*              fCurContext; | 
 |     const GrGLInterface*    fCurIntf; | 
 |     GrRenderTarget*         fCurRenderTarget; | 
 |     int fMSAASampleCount; | 
 | #endif | 
 |  | 
 |     SkOSWindow::SkBackEndTypes fBackend; | 
 |  | 
 |     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 { | 
 |     skiagm::GM* gm = fFunc(NULL); | 
 |     gm->setMode(skiagm::GM::kSample_Mode); | 
 |     return new GMSampleView(gm); | 
 | } | 
 |  | 
 | 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<SkRefCnt*> fObjs; | 
 | }; | 
 |  | 
 | // registers GMs as Samples | 
 | // This can't be performed during static initialization because it could be | 
 | // run before GMRegistry has been fully built. | 
 | static 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; | 
 |     } | 
 | } | 
 |  | 
 | ////////////////////////////////////////////////////////////////////////////// | 
 |  | 
 | enum FlipAxisEnum { | 
 |     kFlipAxis_X = (1 << 0), | 
 |     kFlipAxis_Y = (1 << 1) | 
 | }; | 
 |  | 
 | #include "SkDrawFilter.h" | 
 |  | 
 | struct HintingState { | 
 |     SkPaint::Hinting hinting; | 
 |     const char* name; | 
 |     const char* label; | 
 | }; | 
 | static HintingState gHintingStates[] = { | 
 |     {SkPaint::kNo_Hinting, "Mixed", NULL }, | 
 |     {SkPaint::kNo_Hinting, "None", "H0 " }, | 
 |     {SkPaint::kSlight_Hinting, "Slight", "Hs " }, | 
 |     {SkPaint::kNormal_Hinting, "Normal", "Hn " }, | 
 |     {SkPaint::kFull_Hinting, "Full", "Hf " }, | 
 | }; | 
 |  | 
 | struct FilterLevelState { | 
 |     SkPaint::FilterLevel    fLevel; | 
 |     const char*             fName; | 
 |     const char*             fLabel; | 
 | }; | 
 | static FilterLevelState gFilterLevelStates[] = { | 
 |     { SkPaint::kNone_FilterLevel,   "Mixed",    NULL    }, | 
 |     { SkPaint::kNone_FilterLevel,   "None",     "F0 "   }, | 
 |     { SkPaint::kLow_FilterLevel,    "Low",      "F1 "   }, | 
 |     { SkPaint::kMedium_FilterLevel, "Medium",   "F2 "   }, | 
 |     { SkPaint::kHigh_FilterLevel,   "High",     "F3 "   }, | 
 | }; | 
 |  | 
 | class FlagsDrawFilter : public SkDrawFilter { | 
 | public: | 
 |     FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, | 
 |                     SkOSMenu::TriState subpixel, int hinting, int filterlevel) | 
 |         : fLCDState(lcd) | 
 |         , fAAState(aa) | 
 |         , fSubpixelState(subpixel) | 
 |         , fHintingState(hinting) | 
 |         , fFilterLevelIndex(filterlevel) | 
 |     { | 
 |         SkASSERT((unsigned)filterlevel < SK_ARRAY_COUNT(gFilterLevelStates)); | 
 |     } | 
 |  | 
 |     virtual bool 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 (0 != fFilterLevelIndex) { | 
 |             paint->setFilterLevel(gFilterLevelStates[fFilterLevelIndex].fLevel); | 
 |         } | 
 |         if (SkOSMenu::kMixedState != fSubpixelState) { | 
 |             paint->setSubpixelText(SkOSMenu::kOnState == fSubpixelState); | 
 |         } | 
 |         if (0 != fHintingState && fHintingState < (int)SK_ARRAY_COUNT(gHintingStates)) { | 
 |             paint->setHinting(gHintingStates[fHintingState].hinting); | 
 |         } | 
 |         return true; | 
 |     } | 
 |  | 
 | private: | 
 |     SkOSMenu::TriState  fLCDState; | 
 |     SkOSMenu::TriState  fAAState; | 
 |     SkOSMenu::TriState  fSubpixelState; | 
 |     int fHintingState; | 
 |     int fFilterLevelIndex; | 
 | }; | 
 |  | 
 | ////////////////////////////////////////////////////////////////////////////// | 
 |  | 
 | #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; | 
 | } | 
 |  | 
 | enum TilingMode { | 
 |     kNo_Tiling, | 
 |     kAbs_128x128_Tiling, | 
 |     kAbs_256x256_Tiling, | 
 |     kRel_4x4_Tiling, | 
 |     kRel_1x16_Tiling, | 
 |     kRel_16x1_Tiling, | 
 |  | 
 |     kLast_TilingMode_Enum | 
 | }; | 
 |  | 
 | struct TilingInfo { | 
 |     const char* label; | 
 |     SkScalar    w, h; | 
 | }; | 
 |  | 
 | static const struct TilingInfo gTilingInfo[] = { | 
 |     { "No tiling", SK_Scalar1        , SK_Scalar1         }, // kNo_Tiling | 
 |     { "128x128"  , SkIntToScalar(128), SkIntToScalar(128) }, // kAbs_128x128_Tiling | 
 |     { "256x256"  , SkIntToScalar(256), SkIntToScalar(256) }, // kAbs_256x256_Tiling | 
 |     { "1/4x1/4"  , SK_Scalar1 / 4    , SK_Scalar1 / 4     }, // kRel_4x4_Tiling | 
 |     { "1/1x1/16" , SK_Scalar1        , SK_Scalar1 / 16    }, // kRel_1x16_Tiling | 
 |     { "1/16x1/1" , SK_Scalar1 / 16   , SK_Scalar1         }, // kRel_16x1_Tiling | 
 | }; | 
 | SK_COMPILE_ASSERT((SK_ARRAY_COUNT(gTilingInfo) == kLast_TilingMode_Enum), | 
 |                   Incomplete_tiling_labels); | 
 |  | 
 | SkSize SampleWindow::tileSize() const { | 
 |     SkASSERT((TilingMode)fTilingMode < kLast_TilingMode_Enum); | 
 |     const struct TilingInfo* info = gTilingInfo + fTilingMode; | 
 |     return SkSize::Make(info->w > SK_Scalar1 ? info->w : this->width() * info->w, | 
 |                         info->h > SK_Scalar1 ? info->h : this->height() * info->h); | 
 | } | 
 | ////////////////////////////////////////////////////////////////////////////// | 
 |  | 
 | 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 = x; | 
 |     fZoomCenterY = 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, | 
 | #if SK_SUPPORT_GPU | 
 |         SampleWindow::kGPU_DeviceType, | 
 | #if SK_ANGLE | 
 |         SampleWindow::kANGLE_DeviceType, | 
 | #endif // SK_ANGLE | 
 |         SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling | 
 | #endif // SK_SUPPORT_GPU | 
 |         SampleWindow::kRaster_DeviceType | 
 |     }; | 
 |     SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gCT) == SampleWindow::kDeviceTypeCnt, array_size_mismatch); | 
 |     return gCT[ct]; | 
 | } | 
 |  | 
 | static SkString getSampleTitle(const SkViewFactory* sampleFactory) { | 
 |     SkView* view = (*sampleFactory)(); | 
 |     SkString title; | 
 |     SampleCode::RequestTitle(view, &title); | 
 |     view->unref(); | 
 |     return title; | 
 | } | 
 |  | 
 | static bool compareSampleTitle(const SkViewFactory* first, const SkViewFactory* second) { | 
 |     return strcmp(getSampleTitle(first).c_str(), getSampleTitle(second).c_str()) < 0; | 
 | } | 
 |  | 
 | DEFINE_string(slide, "", "Start on this sample."); | 
 | DEFINE_int32(msaa, 0, "Request multisampling with this count."); | 
 | DEFINE_string(pictureDir, "", "Read pictures from here."); | 
 | DEFINE_string(picture, "", "Path to single picture."); | 
 | DEFINE_bool(sort, false, "Sort samples by title."); | 
 | DEFINE_bool(list, false, "List samples?"); | 
 | #ifdef SAMPLE_PDF_FILE_VIEWER | 
 | DEFINE_string(pdfPath, "", "Path to direcotry of pdf files."); | 
 | #endif | 
 |  | 
 | SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager) | 
 |     : INHERITED(hwnd) | 
 |     , fDevManager(NULL) { | 
 |  | 
 |     SkCommandLineFlags::Parse(argc, argv); | 
 |  | 
 |     fCurrIndex = -1; | 
 |  | 
 |     if (!FLAGS_pictureDir.isEmpty()) { | 
 |         SkOSFile::Iter iter(FLAGS_pictureDir[0], "skp"); | 
 |         SkString filename; | 
 |         while (iter.next(&filename)) { | 
 |             *fSamples.append() = new PictFileFactory( | 
 |                 SkOSPath::Join(FLAGS_pictureDir[0], filename.c_str())); | 
 |         } | 
 |     } | 
 |     if (!FLAGS_picture.isEmpty()) { | 
 |         SkString path(FLAGS_picture[0]); | 
 |         fCurrIndex = fSamples.count(); | 
 |         *fSamples.append() = new PictFileFactory(path); | 
 |     } | 
 | #ifdef SAMPLE_PDF_FILE_VIEWER | 
 |     if (!FLAGS_pdfPath.isEmpty()) { | 
 |         SkOSFile::Iter iter(FLAGS_pdfPath[0], "pdf"); | 
 |         SkString filename; | 
 |         while (iter.next(&filename)) { | 
 |             *fSamples.append() = new PdfFileViewerFactory( | 
 |                 SkOSPath::Join(FLAGS_pictureDir[0], filename.c_str())); | 
 |         } | 
 |     } | 
 | #endif | 
 |     SkGMRegistyToSampleRegistry(); | 
 |     { | 
 |         const SkViewRegister* reg = SkViewRegister::Head(); | 
 |         while (reg) { | 
 |             *fSamples.append() = reg->factory(); | 
 |             reg = reg->next(); | 
 |         } | 
 |     } | 
 |  | 
 |     if (FLAGS_sort) { | 
 |         // Sort samples, so foo.skp and foo.pdf are consecutive and we can quickly spot where | 
 |         // skp -> pdf -> png fails. | 
 |         SkTQSort(fSamples.begin(), fSamples.end() ? fSamples.end() - 1 : NULL, compareSampleTitle); | 
 |     } | 
 |  | 
 |     if (!FLAGS_slide.isEmpty()) { | 
 |         fCurrIndex = findByTitle(FLAGS_slide[0]); | 
 |         if (fCurrIndex < 0) { | 
 |             fprintf(stderr, "Unknown sample \"%s\"\n", FLAGS_slide[0]); | 
 |             listTitles(); | 
 |         } | 
 |     } | 
 |  | 
 |     fMSAASampleCount = FLAGS_msaa; | 
 |  | 
 |     if (FLAGS_list) { | 
 |         listTitles(); | 
 |     } | 
 |  | 
 |     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 | 
 |  | 
 |     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; | 
 |     fRotateAnimTime = 0; | 
 |     fPerspAnim = false; | 
 |     fPerspAnimTime = 0; | 
 |     fRequestGrabImage = false; | 
 |     fPipeState = SkOSMenu::kOffState; | 
 |     fTilingMode = kNo_Tiling; | 
 |     fMeasureFPS = false; | 
 |     fLCDState = SkOSMenu::kMixedState; | 
 |     fAAState = SkOSMenu::kMixedState; | 
 |     fSubpixelState = SkOSMenu::kMixedState; | 
 |     fHintingState = 0; | 
 |     fFilterLevelIndex = 0; | 
 |     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; | 
 |  | 
 |     fSaveToPdf = false; | 
 |     fPdfCanvas = NULL; | 
 |  | 
 |     fTransitionNext = 6; | 
 |     fTransitionPrev = 2; | 
 |  | 
 |     int sinkID = this->getSinkID(); | 
 |     fAppMenu = new SkOSMenu; | 
 |     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->appendList("FilterLevel", "FilterLevel", sinkID, fFilterLevelIndex, | 
 |                                   gFilterLevelStates[0].fName, | 
 |                                   gFilterLevelStates[1].fName, | 
 |                                   gFilterLevelStates[2].fName, | 
 |                                   gFilterLevelStates[3].fName, | 
 |                                   gFilterLevelStates[4].fName, | 
 |                                   NULL); | 
 |     fAppMenu->assignKeyEquivalentToItem(itemID, 'n'); | 
 |     itemID = fAppMenu->appendTriState("Subpixel", "Subpixel", sinkID, fSubpixelState); | 
 |     fAppMenu->assignKeyEquivalentToItem(itemID, 's'); | 
 |     itemID = fAppMenu->appendList("Hinting", "Hinting", sinkID, fHintingState, | 
 |                                   gHintingStates[0].name, | 
 |                                   gHintingStates[1].name, | 
 |                                   gHintingStates[2].name, | 
 |                                   gHintingStates[3].name, | 
 |                                   gHintingStates[4].name, | 
 |                                   NULL); | 
 |     fAppMenu->assignKeyEquivalentToItem(itemID, 'h'); | 
 |  | 
 |     fUsePipeMenuItemID = fAppMenu->appendTriState("Pipe", "Pipe" , sinkID, | 
 |                                                   fPipeState); | 
 |     fAppMenu->assignKeyEquivalentToItem(fUsePipeMenuItemID, 'P'); | 
 |  | 
 |     itemID =fAppMenu->appendList("Tiling", "Tiling", sinkID, fTilingMode, | 
 |                                  gTilingInfo[kNo_Tiling].label, | 
 |                                  gTilingInfo[kAbs_128x128_Tiling].label, | 
 |                                  gTilingInfo[kAbs_256x256_Tiling].label, | 
 |                                  gTilingInfo[kRel_4x4_Tiling].label, | 
 |                                  gTilingInfo[kRel_1x16_Tiling].label, | 
 |                                  gTilingInfo[kRel_16x1_Tiling].label, | 
 |                                  NULL); | 
 |     fAppMenu->assignKeyEquivalentToItem(itemID, 't'); | 
 |  | 
 |     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); | 
 |     fSlideMenu = new SkOSMenu; | 
 |     this->addMenu(fSlideMenu); | 
 |  | 
 |     this->setColorType(kN32_SkColorType); | 
 |     this->setVisibleP(true); | 
 |     this->setClipToBounds(false); | 
 |  | 
 |     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(); | 
 |     post_event_to_sink(new SkEvent(gUpdateWindowTitleEvtName), this); | 
 | } | 
 |  | 
 | SampleWindow::~SampleWindow() { | 
 |     delete fPdfCanvas; | 
 |     SkSafeUnref(fTypeface); | 
 |     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; | 
 | } | 
 |  | 
 | void SampleWindow::listTitles() { | 
 |     int count = fSamples.count(); | 
 |     SkDebugf("All Slides:\n"); | 
 |     for (int i = 0; i < count; i++) { | 
 |         SkDebugf("    %s\n", getSampleTitle(i).c_str()); | 
 |     } | 
 | } | 
 |  | 
 | static SkBitmap capture_bitmap(SkCanvas* canvas) { | 
 |     SkBitmap bm; | 
 |     if (bm.allocPixels(canvas->imageInfo())) { | 
 |         canvas->readPixels(&bm, 0, 0); | 
 |     } | 
 |     return bm; | 
 | } | 
 |  | 
 | static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, | 
 |                         SkBitmap* diff) { | 
 |     SkBitmap src = capture_bitmap(canvas); | 
 |  | 
 |     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) { | 
 |     // update the animation time | 
 |     if (!gAnimTimePrev && !gAnimTime) { | 
 |         // first time make delta be 0 | 
 |         gAnimTime = SkTime::GetMSecs(); | 
 |         gAnimTimePrev = gAnimTime; | 
 |     } else { | 
 |         gAnimTimePrev = gAnimTime; | 
 |         gAnimTime = SkTime::GetMSecs(); | 
 |     } | 
 |  | 
 |     if (fGesture.isActive()) { | 
 |         this->updateMatrix(); | 
 |     } | 
 |  | 
 |     if (fMeasureFPS) { | 
 |         fMeasureFPS_Time = 0; | 
 |     } | 
 |  | 
 |     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 { | 
 |         SkSize tile = this->tileSize(); | 
 |  | 
 |         if (kNo_Tiling == fTilingMode) { | 
 |             this->INHERITED::draw(canvas); // no looping or surfaces needed | 
 |         } else { | 
 |             const int w = SkScalarRoundToInt(tile.width()); | 
 |             const int h = SkScalarRoundToInt(tile.height()); | 
 |             SkImageInfo info = SkImageInfo::MakeN32Premul(w, h); | 
 |             SkAutoTUnref<SkSurface> surface(canvas->newSurface(info)); | 
 |             SkCanvas* tileCanvas = surface->getCanvas(); | 
 |  | 
 |             for (SkScalar y = 0; y < height(); y += tile.height()) { | 
 |                 for (SkScalar x = 0; x < width(); x += tile.width()) { | 
 |                     SkAutoCanvasRestore acr(tileCanvas, true); | 
 |                     tileCanvas->translate(-x, -y); | 
 |                     tileCanvas->clear(0); | 
 |                     this->INHERITED::draw(tileCanvas); | 
 |                     surface->draw(canvas, x, y, NULL); | 
 |                 } | 
 |             } | 
 |  | 
 |             // for drawing the borders between tiles | 
 |             SkPaint paint; | 
 |             paint.setColor(0x60FF00FF); | 
 |             paint.setStyle(SkPaint::kStroke_Style); | 
 |  | 
 |             for (SkScalar y = 0; y < height(); y += tile.height()) { | 
 |                 for (SkScalar x = 0; x < width(); x += tile.width()) { | 
 |                     canvas->drawRect(SkRect::MakeXYWH(x, y, tile.width(), tile.height()), paint); | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |     if (fShowZoomer && !fSaveToPdf) { | 
 |         showZoomer(canvas); | 
 |     } | 
 |     if (fMagnify && !fSaveToPdf) { | 
 |         magnify(canvas); | 
 |     } | 
 |  | 
 |     if (fMeasureFPS && fMeasureFPS_Time) { | 
 |         this->updateTitle(); | 
 |         this->postInvalDelay(); | 
 |     } | 
 |  | 
 |     // 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(); | 
 |     if (!m.invert(&m)) { | 
 |         return; | 
 |     } | 
 |     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 = SkScalarRoundToInt(this->width()); | 
 |         int height = SkScalarRoundToInt(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" | 
 |  | 
 | void SampleWindow::saveToPdf() | 
 | { | 
 |     fSaveToPdf = true; | 
 |     this->inval(NULL); | 
 | } | 
 |  | 
 | SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { | 
 |     if (fSaveToPdf) { | 
 |         const SkBitmap bmp = capture_bitmap(canvas); | 
 |         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 if (kPicture_DeviceType == fDeviceType) { | 
 |         canvas = fRecorder.beginRecording(9999, 9999, NULL, 0); | 
 |     } else { | 
 | #if SK_SUPPORT_GPU | 
 |         if (kNullGPU_DeviceType != fDeviceType) | 
 | #endif | 
 |         { | 
 |             canvas = this->INHERITED::beforeChildren(canvas); | 
 |         } | 
 |     } | 
 |  | 
 |     if (fUseClip) { | 
 |         canvas->drawColor(0xFFFF88FF); | 
 |         canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true); | 
 |     } | 
 |  | 
 |     return canvas; | 
 | } | 
 |  | 
 | #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 = NULL;//static_cast<SkPDFDevice*>(fPdfCanvas->getDevice()); | 
 |         SkASSERT(false); | 
 |         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; | 
 |  | 
 |         SkBitmap bmp = capture_bitmap(orig); | 
 |         if (!bmp.isNull()) { | 
 |             static int gSampleGrabCounter; | 
 |             SkString name; | 
 |             name.printf("sample_grab_%d.png", gSampleGrabCounter++); | 
 |             SkImageEncoder::EncodeFile(name.c_str(), bmp, | 
 |                                        SkImageEncoder::kPNG_Type, 100); | 
 |         } | 
 |     } | 
 |  | 
 |     if (kPicture_DeviceType == fDeviceType) { | 
 |         SkAutoTUnref<const SkPicture> picture(fRecorder.endRecording()); | 
 |  | 
 |         if (true) { | 
 |             this->installDrawFilter(orig); | 
 |             orig->drawPicture(picture); | 
 |         } else if (true) { | 
 |             SkDynamicMemoryWStream ostream; | 
 |             picture->serialize(&ostream); | 
 |  | 
 |             SkAutoDataUnref data(ostream.copyToData()); | 
 |             SkMemoryStream istream(data->data(), data->size()); | 
 |             SkAutoTUnref<SkPicture> pict(SkPicture::CreateFromStream(&istream)); | 
 |             if (pict.get() != NULL) { | 
 |                 orig->drawPicture(pict.get()); | 
 |             } | 
 |         } else { | 
 |             picture->draw(orig); | 
 |         } | 
 |     } | 
 |  | 
 |     // Do this after presentGL and other finishing, rather than in afterChild | 
 |     if (fMeasureFPS && fMeasureFPS_StartTime) { | 
 |         fMeasureFPS_Time += SkTime::GetMSecs() - fMeasureFPS_StartTime; | 
 |     } | 
 | } | 
 |  | 
 | void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { | 
 |     if (fRotate) { | 
 |         fRotateAnimTime += SampleCode::GetAnimSecondsDelta(); | 
 |  | 
 |         SkScalar cx = this->width() / 2; | 
 |         SkScalar cy = this->height() / 2; | 
 |         canvas->translate(cx, cy); | 
 |         canvas->rotate(fRotateAnimTime * 10); | 
 |         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) { | 
 |         if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { | 
 |             fMeasureFPS_StartTime = SkTime::GetMSecs(); | 
 |         } | 
 |     } else { | 
 |         (void)SampleView::SetRepeatDraw(child, 1); | 
 |     } | 
 |     if (fPerspAnim || fRotate) { | 
 |         this->inval(NULL); | 
 |     } | 
 | } | 
 |  | 
 | void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { | 
 |     canvas->setDrawFilter(NULL); | 
 | } | 
 |  | 
 | static SkColorType gColorTypeCycle[] = { | 
 |     kUnknown_SkColorType,           // none -> none | 
 |     kUnknown_SkColorType,           // a8 -> none | 
 |     kN32_SkColorType,               // 565 -> 8888 | 
 |     kN32_SkColorType,               // 4444 -> 8888 | 
 |     kRGB_565_SkColorType,           // 8888 -> 565 | 
 |     kRGB_565_SkColorType,           // 8888 -> 565 | 
 |     kUnknown_SkColorType,           // index8 -> none | 
 | }; | 
 |  | 
 | static SkColorType cycle_colortypes(SkColorType c) { | 
 |     return gColorTypeCycle[c]; | 
 | } | 
 |  | 
 | void SampleWindow::changeZoomLevel(float delta) { | 
 |     fZoomLevel += 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) { | 
 |     return ::getSampleTitle(fSamples[i]); | 
 | } | 
 |  | 
 | 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, fSubpixelState, | 
 |                                               fHintingState, fFilterLevelIndex))->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::FindTriState(evt, "Pipe", &fPipeState)) { | 
 | #ifdef PIPE_NET | 
 |         if (!fPipeState != SkOSMenu::kOnState) | 
 |             gServer.disconnectAll(); | 
 | #endif | 
 |         (void)SampleView::SetUsePipe(curr_view(this), fPipeState); | 
 |         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::FindListIndex(evt, "FilterLevel", &fFilterLevelIndex) || | 
 |         SkOSMenu::FindTriState(evt, "Subpixel", &fSubpixelState) || | 
 |         SkOSMenu::FindListIndex(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::FindListIndex(evt, "Tiling", &fTilingMode)) { | 
 |         if (SampleView::IsSampleView(curr_view(this))) { | 
 |             ((SampleView*)curr_view(this))->onTileSizeChanged(this->tileSize()); | 
 |         } | 
 |         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; | 
 |     } | 
 |     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); | 
 | } | 
 |  | 
 | #if 0 // UNUSED | 
 | 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; | 
 |         } | 
 |     } | 
 | } | 
 | #endif | 
 |  | 
 | DECLARE_bool(portableFonts); | 
 |  | 
 | 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 'B': | 
 |             post_event_to_sink(SkNEW_ARGS(SkEvent, ("PictFileView::toggleBBox")), curr_view(this)); | 
 |             // Cannot call updateTitle() synchronously, because the toggleBBox event is still in | 
 |             // the queue. | 
 |             post_event_to_sink(SkNEW_ARGS(SkEvent, (gUpdateWindowTitleEvtName)), this); | 
 |             this->inval(NULL); | 
 |             break; | 
 |         case 'f': | 
 |             // only | 
 |             toggleFPS(); | 
 |             break; | 
 |         case 'F': | 
 |             FLAGS_portableFonts ^= true; | 
 |             this->inval(NULL); | 
 |             break; | 
 |         case 'g': | 
 |             fRequestGrabImage = true; | 
 |             this->inval(NULL); | 
 |             break; | 
 |         case 'G': | 
 |             gShowGMBounds = !gShowGMBounds; | 
 |             post_event_to_sink(GMSampleView::NewShowSizeEvt(gShowGMBounds), | 
 |                             curr_view(this)); | 
 |             this->inval(NULL); | 
 |             break; | 
 |         case 'i': | 
 |             this->zoomIn(); | 
 |             break; | 
 |         case 'o': | 
 |             this->zoomOut(); | 
 |             break; | 
 |         case 'r': | 
 |             fRotate = !fRotate; | 
 |             fRotateAnimTime = 0; | 
 |             this->inval(NULL); | 
 |             this->updateTitle(); | 
 |             return true; | 
 |         case 'k': | 
 |             fPerspAnim = !fPerspAnim; | 
 |             this->inval(NULL); | 
 |             this->updateTitle(); | 
 |             return true; | 
 | #if SK_SUPPORT_GPU | 
 |         case '\\': | 
 |             this->setDeviceType(kNullGPU_DeviceType); | 
 |             this->inval(NULL); | 
 |             this->updateTitle(); | 
 |             return true; | 
 |         case 'p': | 
 |             { | 
 |                 GrContext* grContext = this->getGrContext(); | 
 |                 if (grContext) { | 
 |                     size_t cacheBytes; | 
 |                     grContext->getResourceCacheUsage(NULL, &cacheBytes); | 
 |                     grContext->freeGpuResources(); | 
 |                     SkDebugf("Purged %d bytes from the GPU resource cache.\n", cacheBytes); | 
 |                 } | 
 |             } | 
 |             return true; | 
 | #endif | 
 |         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: | 
 |             if (this->previousSample()) { | 
 |                 return true; | 
 |             } | 
 |             return true; | 
 |         case kUp_SkKey: | 
 |             if (USE_ARROWS_FOR_ZOOM) { | 
 |                 this->changeZoomLevel(1.f / 32.f); | 
 |             } else { | 
 |                 fNClip = !fNClip; | 
 |                 this->inval(NULL); | 
 |                 this->updateTitle(); | 
 |             } | 
 |             return true; | 
 |         case kDown_SkKey: | 
 |             if (USE_ARROWS_FOR_ZOOM) { | 
 |                 this->changeZoomLevel(-1.f / 32.f); | 
 |             } else { | 
 |                 this->setColorType(cycle_colortypes(this->getBitmap().colorType())); | 
 |                 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, unsigned modi) { | 
 |     if (Click::kMoved_State == state) { | 
 |         updatePointer(x, y); | 
 |     } | 
 |     int w = SkScalarRoundToInt(this->width()); | 
 |     int h = SkScalarRoundToInt(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 { | 
 |         // capture control+option, and trigger debugger | 
 |         if ((modi & kControl_SkModifierKey) && (modi & kOption_SkModifierKey)) { | 
 |             if (Click::kDown_State == state) { | 
 |                 SkEvent evt("debug-hit-test"); | 
 |                 evt.setS32("debug-hit-test-x", x); | 
 |                 evt.setS32("debug-hit-test-y", y); | 
 |                 curr_view(this)->doEvent(evt); | 
 |             } | 
 |             return true; | 
 |         } else { | 
 |             return this->INHERITED::onDispatchClick(x, y, state, owner, modi); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | 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, | 
 |                                                 unsigned modi) { | 
 |     return new GestureClick(this); | 
 | } | 
 |  | 
 | bool SampleWindow::onClick(Click* click) { | 
 |     if (GestureClick::IsGesture(click)) { | 
 |         float x = static_cast<float>(click->fICurr.fX); | 
 |         float y = static_cast<float>(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(); | 
 |  | 
 |     (void)SampleView::SetUsePipe(view, fPipeState); | 
 |     if (SampleView::IsSampleView(view)) { | 
 |         SampleView* sampleView = (SampleView*)view; | 
 |         sampleView->requestMenu(fSlideMenu); | 
 |         sampleView->onTileSizeChanged(this->tileSize()); | 
 |     } | 
 |     this->onUpdateMenu(fSlideMenu); | 
 |     this->updateTitle(); | 
 | } | 
 |  | 
 | static const char* gDeviceTypePrefix[] = { | 
 |     "raster: ", | 
 |     "picture: ", | 
 | #if SK_SUPPORT_GPU | 
 |     "opengl: ", | 
 | #if SK_ANGLE | 
 |     "angle: ", | 
 | #endif // SK_ANGLE | 
 |     "null-gl: " | 
 | #endif // SK_SUPPORT_GPU | 
 | }; | 
 | SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gDeviceTypePrefix) == SampleWindow::kDeviceTypeCnt, | 
 |                   array_size_mismatch); | 
 |  | 
 | 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("<unknown>"); | 
 |     } | 
 |  | 
 |     title.prepend(gDeviceTypePrefix[fDeviceType]); | 
 |  | 
 |     title.prepend(" "); | 
 |     title.prepend(sk_tool_utils::colortype_name(this->getBitmap().colorType())); | 
 |  | 
 |     if (fTilingMode != kNo_Tiling) { | 
 |         title.prependf("<T: %s> ", gTilingInfo[fTilingMode].label); | 
 |     } | 
 |     if (fAnimating) { | 
 |         title.prepend("<A> "); | 
 |     } | 
 |     if (fRotate) { | 
 |         title.prepend("<R> "); | 
 |     } | 
 |     if (fNClip) { | 
 |         title.prepend("<C> "); | 
 |     } | 
 |     if (fPerspAnim) { | 
 |         title.prepend("<K> "); | 
 |     } | 
 |  | 
 |     title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); | 
 |     title.prepend(trystate_str(fAAState, "AA ", "aa ")); | 
 |     title.prepend(gFilterLevelStates[fFilterLevelIndex].fLabel); | 
 |     title.prepend(trystate_str(fSubpixelState, "S ", "s ")); | 
 |     title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); | 
 |     title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); | 
 |     title.prepend(gHintingStates[fHintingState].label); | 
 |  | 
 |     if (fZoomLevel) { | 
 |         title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel)); | 
 |     } | 
 |  | 
 |     if (fMeasureFPS) { | 
 |         title.appendf(" %8.3f ms", fMeasureFPS_Time / (float)FPS_REPEAT_COUNT); | 
 |     } | 
 |     if (SampleView::IsSampleView(view)) { | 
 |         switch (fPipeState) { | 
 |             case SkOSMenu::kOnState: | 
 |                 title.prepend("<Pipe> "); | 
 |                 break; | 
 |             case SkOSMenu::kMixedState: | 
 |                 title.prepend("<Tiled Pipe> "); | 
 |                 break; | 
 |  | 
 |             default: | 
 |                 break; | 
 |         } | 
 |         title.prepend("! "); | 
 |     } | 
 |  | 
 | #if SK_SUPPORT_GPU | 
 |     if (IsGpuDeviceType(fDeviceType) && | 
 |         NULL != fDevManager && | 
 |         fDevManager->getGrRenderTarget() && | 
 |         fDevManager->getGrRenderTarget()->numSamples() > 0) { | 
 |         title.appendf(" [MSAA: %d]", | 
 |                        fDevManager->getGrRenderTarget()->numSamples()); | 
 |     } | 
 | #endif | 
 |  | 
 |     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); | 
 |  | 
 |     if (fTilingMode != kNo_Tiling && SampleView::IsSampleView(view)) { | 
 |         ((SampleView*)view)->onTileSizeChanged(this->tileSize()); | 
 |     } | 
 | } | 
 |  | 
 | /////////////////////////////////////////////////////////////////////////////// | 
 |  | 
 | 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, SkOSMenu::TriState state) { | 
 |     SkEvent evt; | 
 |     evt.setS32(set_use_pipe_tag, state); | 
 |     return view->doEvent(evt); | 
 | } | 
 |  | 
 | bool SampleView::onEvent(const SkEvent& evt) { | 
 |     if (evt.isType(repeat_count_tag)) { | 
 |         fRepeatCount = evt.getFast32(); | 
 |         return true; | 
 |     } | 
 |  | 
 |     int32_t pipeHolder; | 
 |     if (evt.findS32(set_use_pipe_tag, &pipeHolder)) { | 
 |         fPipeState = static_cast<SkOSMenu::TriState>(pipeHolder); | 
 |         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); | 
 | } | 
 |  | 
 |  | 
 | class SimplePC : public SkGPipeController { | 
 | public: | 
 |     SimplePC(SkCanvas* target); | 
 |     ~SimplePC(); | 
 |  | 
 |     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; | 
 |  | 
 |     size_t        fTotalWritten; | 
 | }; | 
 |  | 
 | SimplePC::SimplePC(SkCanvas* target) : fReader(target) { | 
 |     fBlock = NULL; | 
 |     fBlockSize = fBytesWritten = 0; | 
 |     fStatus = SkGPipeReader::kDone_Status; | 
 |     fTotalWritten = 0; | 
 |     fAtomsWritten = 0; | 
 |     fReader.setBitmapDecoder(&SkImageDecoder::DecodeMemory); | 
 | } | 
 |  | 
 | SimplePC::~SimplePC() { | 
 | //    SkASSERT(SkGPipeReader::kDone_Status == fStatus); | 
 |     if (fTotalWritten) { | 
 |         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 | 
 |     } | 
 |     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; | 
 | } | 
 |  | 
 | void SampleView::draw(SkCanvas* canvas) { | 
 |     if (SkOSMenu::kOffState == fPipeState) { | 
 |         this->INHERITED::draw(canvas); | 
 |     } else { | 
 |         SkGPipeWriter writer; | 
 |         SimplePC controller(canvas); | 
 |         SkBitmap bitmap = capture_bitmap(canvas); | 
 |         TiledPipeController tc(bitmap, &SkImageDecoder::DecodeMemory, &canvas->getTotalMatrix()); | 
 |         SkGPipeController* pc; | 
 |         if (SkOSMenu::kMixedState == fPipeState) { | 
 |             pc = &tc; | 
 |         } else { | 
 |             pc = &controller; | 
 |         } | 
 |         uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; | 
 |  | 
 |         canvas = writer.startRecording(pc, 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(); | 
 |     } | 
 | } | 
 |  | 
 | 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 <typename T> 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); | 
 |     } | 
 | } | 
 |  | 
 | // FIXME: this should be in a header | 
 | SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv); | 
 | SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) { | 
 |     if (false) { // avoid bit rot, suppress warning | 
 |         test(); | 
 |     } | 
 |     return new SampleWindow(hwnd, argc, argv, NULL); | 
 | } | 
 |  | 
 | // FIXME: this should be in a header | 
 | void get_preferred_size(int* x, int* y, int* width, int* height); | 
 | void get_preferred_size(int* x, int* y, int* width, int* height) { | 
 |     *x = 10; | 
 |     *y = 50; | 
 |     *width = 640; | 
 |     *height = 480; | 
 | } | 
 |  | 
 | #ifdef SK_BUILD_FOR_IOS | 
 | IOS_launch_type set_cmd_line_args(int , char *[], const char* resourceDir) { | 
 |     SetResourcePath(resourceDir); | 
 |     return kApplication__iOSLaunchType; | 
 | } | 
 | #endif | 
 |  | 
 | 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(); | 
 | } |