зеркало из https://github.com/mozilla/moz-skia.git
975 строки
25 KiB
C++
975 строки
25 KiB
C++
#include "SkCanvas.h"
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#include "SkDevice.h"
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#include "SkGpuCanvas.h"
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#include "SkGraphics.h"
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#include "SkImageEncoder.h"
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#include "SkPaint.h"
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#include "SkPicture.h"
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#include "SkStream.h"
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#include "SkTime.h"
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#include "SkWindow.h"
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#include "SampleCode.h"
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#include "GrContext.h"
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//#define DEFAULT_TO_GPU
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extern SkView* create_overview(int, const SkViewFactory[]);
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#define SK_SUPPORT_GL
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#define ANIMATING_EVENTTYPE "nextSample"
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#define ANIMATING_DELAY 750
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#if !defined(SK_BUILD_FOR_WIN32)
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//#define USE_OFFSCREEN
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#endif
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#ifdef SK_SUPPORT_GL
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#include "GrGLConfig.h"
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#endif
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SkViewRegister* SkViewRegister::gHead;
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SkViewRegister::SkViewRegister(SkViewFactory fact) : fFact(fact) {
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static bool gOnce;
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if (!gOnce) {
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gHead = NULL;
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gOnce = true;
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}
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fChain = gHead;
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gHead = this;
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}
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#if defined(SK_SUPPORT_GL)
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#define SK_USE_SHADERS
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#endif
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//////////////////////////////////////////////////////////////////////////////
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static const char gCharEvtName[] = "SampleCode_Char_Event";
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static const char gKeyEvtName[] = "SampleCode_Key_Event";
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static const char gTitleEvtName[] = "SampleCode_Title_Event";
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static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event";
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static const char gFastTextEvtName[] = "SampleCode_FastText_Event";
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bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) {
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if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) {
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if (outUni) {
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*outUni = evt.getFast32();
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}
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return true;
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}
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return false;
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}
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bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) {
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if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) {
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if (outKey) {
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*outKey = (SkKey)evt.getFast32();
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}
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return true;
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}
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return false;
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}
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bool SampleCode::TitleQ(const SkEvent& evt) {
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return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1);
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}
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void SampleCode::TitleR(SkEvent* evt, const char title[]) {
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SkASSERT(evt && TitleQ(*evt));
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evt->setString(gTitleEvtName, title);
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}
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bool SampleCode::PrefSizeQ(const SkEvent& evt) {
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return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1);
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}
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void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) {
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SkASSERT(evt && PrefSizeQ(*evt));
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SkScalar size[2];
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size[0] = width;
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size[1] = height;
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evt->setScalars(gPrefSizeEvtName, 2, size);
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}
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bool SampleCode::FastTextQ(const SkEvent& evt) {
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return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1);
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}
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///////////////////////////////////////////////////////////////////////////////
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static SkMSec gAnimTime;
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static SkMSec gAnimTimePrev;
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SkMSec SampleCode::GetAnimTime() { return gAnimTime; }
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SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; }
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SkScalar SampleCode::GetAnimSecondsDelta() {
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return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0);
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}
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SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) {
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// since gAnimTime can be up to 32 bits, we can't convert it to a float
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// or we'll lose the low bits. Hence we use doubles for the intermediate
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// calculations
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double seconds = (double)gAnimTime / 1000.0;
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double value = SkScalarToDouble(speed) * seconds;
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if (period) {
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value = ::fmod(value, SkScalarToDouble(period));
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}
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return SkDoubleToScalar(value);
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}
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//////////////////////////////////////////////////////////////////////////////
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static SkView* curr_view(SkWindow* wind) {
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SkView::F2BIter iter(wind);
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return iter.next();
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}
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class SampleWindow : public SkOSWindow {
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SkTDArray<SkViewFactory> fSamples;
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public:
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SampleWindow(void* hwnd);
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virtual ~SampleWindow();
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virtual void draw(SkCanvas* canvas);
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protected:
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virtual void onDraw(SkCanvas* canvas);
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virtual bool onHandleKey(SkKey key);
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virtual bool onHandleChar(SkUnichar);
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virtual void onSizeChange();
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virtual SkCanvas* beforeChildren(SkCanvas*);
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virtual void afterChildren(SkCanvas*);
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virtual void beforeChild(SkView* child, SkCanvas* canvas);
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virtual void afterChild(SkView* child, SkCanvas* canvas);
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virtual bool onEvent(const SkEvent& evt);
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virtual bool onQuery(SkEvent* evt);
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#if 0
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virtual bool handleChar(SkUnichar uni);
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virtual bool handleEvent(const SkEvent& evt);
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virtual bool handleKey(SkKey key);
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virtual bool handleKeyUp(SkKey key);
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virtual bool onClick(Click* click);
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virtual Click* onFindClickHandler(SkScalar x, SkScalar y);
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virtual bool onHandleKeyUp(SkKey key);
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#endif
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private:
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int fCurrIndex;
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SkPicture* fPicture;
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SkGpuCanvas* fGpuCanvas;
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GrContext* fGrContext;
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GrRenderTarget* fGrRenderTarget;
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SkPath fClipPath;
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enum CanvasType {
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kRaster_CanvasType,
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kPicture_CanvasType,
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kGPU_CanvasType
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};
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CanvasType fCanvasType;
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bool fUseClip;
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bool fNClip;
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bool fRepeatDrawing;
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bool fAnimating;
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bool fRotate;
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bool fScale;
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bool fRequestGrabImage;
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int fScrollTestX, fScrollTestY;
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bool make3DReady();
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void loadView(SkView*);
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void updateTitle();
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bool nextSample();
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void postAnimatingEvent() {
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if (fAnimating) {
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SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE);
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evt->post(this->getSinkID(), ANIMATING_DELAY);
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}
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}
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static CanvasType cycle_canvastype(CanvasType);
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typedef SkOSWindow INHERITED;
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};
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bool SampleWindow::make3DReady() {
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#if defined(SK_SUPPORT_GL)
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#if defined(USE_OFFSCREEN)
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// first clear the raster bitmap, so we don't see any leftover bits
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bitmap.eraseColor(0);
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// now setup our glcanvas
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attachGL(&bitmap);
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#else
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attachGL(NULL);
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#endif
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if (NULL == fGrContext) {
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SkASSERT(NULL == fGrRenderTarget);
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#if defined(SK_USE_SHADERS)
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fGrContext = GrContext::Create(GrGpu::kOpenGL_Shaders_Engine, NULL);
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#else
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fGrContext = GrContext::Create(GrGpu::kOpenGL_Fixed_Engine, NULL);
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#endif
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if (NULL != fGrContext) {
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fGrRenderTarget = fGrContext->createRenderTargetFrom3DApiState();
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}
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}
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if (NULL != fGrContext) {
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SkASSERT(NULL != fGrRenderTarget);
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return true;
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} else {
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detachGL();
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}
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#endif
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SkDebugf("Failed to setup 3D");
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return false;
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}
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SampleWindow::CanvasType SampleWindow::cycle_canvastype(CanvasType ct) {
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static const CanvasType gCT[] = {
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kPicture_CanvasType,
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kGPU_CanvasType,
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kRaster_CanvasType
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};
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return gCT[ct];
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}
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SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) {
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fPicture = NULL;
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fGpuCanvas = NULL;
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fGrContext = NULL;
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fGrRenderTarget = NULL;
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#ifdef DEFAULT_TO_GPU
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fCanvasType = kGPU_CanvasType;
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#else
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fCanvasType = kRaster_CanvasType;
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#endif
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fUseClip = false;
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fNClip = false;
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fRepeatDrawing = false;
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fAnimating = false;
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fRotate = false;
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fScale = false;
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fRequestGrabImage = false;
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fScrollTestX = fScrollTestY = 0;
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// this->setConfig(SkBitmap::kRGB_565_Config);
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this->setConfig(SkBitmap::kARGB_8888_Config);
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this->setVisibleP(true);
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this->setClipToBounds(false);
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{
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const SkViewRegister* reg = SkViewRegister::Head();
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while (reg) {
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*fSamples.append() = reg->factory();
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reg = reg->next();
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}
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}
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fCurrIndex = 0;
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this->loadView(fSamples[fCurrIndex]());
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}
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SampleWindow::~SampleWindow() {
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delete fPicture;
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delete fGpuCanvas;
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if (NULL != fGrRenderTarget) {
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fGrRenderTarget->unref();
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}
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if (NULL != fGrContext) {
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fGrContext->unref();
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}
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}
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static SkBitmap capture_bitmap(SkCanvas* canvas) {
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SkBitmap bm;
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const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
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src.copyTo(&bm, src.config());
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return bm;
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}
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static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig,
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SkBitmap* diff) {
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const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
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SkAutoLockPixels alp0(src);
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SkAutoLockPixels alp1(orig);
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for (int y = 0; y < src.height(); y++) {
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const void* srcP = src.getAddr(0, y);
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const void* origP = orig.getAddr(0, y);
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size_t bytes = src.width() * src.bytesPerPixel();
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if (memcmp(srcP, origP, bytes)) {
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SkDebugf("---------- difference on line %d\n", y);
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return true;
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}
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}
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return false;
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}
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#define XCLIP_N 8
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#define YCLIP_N 8
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void SampleWindow::draw(SkCanvas* canvas) {
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// update the animation time
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gAnimTimePrev = gAnimTime;
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gAnimTime = SkTime::GetMSecs();
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if (fNClip) {
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this->INHERITED::draw(canvas);
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SkBitmap orig = capture_bitmap(canvas);
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const SkScalar w = this->width();
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const SkScalar h = this->height();
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const SkScalar cw = w / XCLIP_N;
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const SkScalar ch = h / YCLIP_N;
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for (int y = 0; y < YCLIP_N; y++) {
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SkRect r;
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r.fTop = y * ch;
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r.fBottom = (y + 1) * ch;
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if (y == YCLIP_N - 1) {
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r.fBottom = h;
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}
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for (int x = 0; x < XCLIP_N; x++) {
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SkAutoCanvasRestore acr(canvas, true);
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r.fLeft = x * cw;
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r.fRight = (x + 1) * cw;
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if (x == XCLIP_N - 1) {
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r.fRight = w;
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}
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canvas->clipRect(r);
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this->INHERITED::draw(canvas);
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}
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}
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SkBitmap diff;
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if (bitmap_diff(canvas, orig, &diff)) {
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}
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} else {
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this->INHERITED::draw(canvas);
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}
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}
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void SampleWindow::onDraw(SkCanvas* canvas) {
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if (fRepeatDrawing) {
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this->inval(NULL);
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}
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}
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#include "SkColorPriv.h"
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static void reverseRedAndBlue(const SkBitmap& bm) {
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SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config);
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uint8_t* p = (uint8_t*)bm.getPixels();
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uint8_t* stop = p + bm.getSize();
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while (p < stop) {
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// swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply
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unsigned scale = SkAlpha255To256(p[3]);
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unsigned r = p[2];
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unsigned b = p[0];
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p[0] = SkAlphaMul(r, scale);
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p[1] = SkAlphaMul(p[1], scale);
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p[2] = SkAlphaMul(b, scale);
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p += 4;
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}
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}
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SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) {
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SkIPoint viewport;
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bool alreadyGPU = canvas->getViewport(&viewport);
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if (kGPU_CanvasType != fCanvasType) {
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#ifdef SK_SUPPORT_GL
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detachGL();
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#endif
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}
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switch (fCanvasType) {
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case kRaster_CanvasType:
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canvas = this->INHERITED::beforeChildren(canvas);
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break;
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case kPicture_CanvasType:
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fPicture = new SkPicture;
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canvas = fPicture->beginRecording(9999, 9999);
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break;
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case kGPU_CanvasType: {
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if (!alreadyGPU && make3DReady()) {
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SkDevice* device = canvas->getDevice();
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const SkBitmap& bitmap = device->accessBitmap(true);
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fGpuCanvas = new SkGpuCanvas(fGrContext, fGrRenderTarget);
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device = fGpuCanvas->createDevice(SkBitmap::kARGB_8888_Config,
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bitmap.width(), bitmap.height(),
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false, false);
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fGpuCanvas->setDevice(device)->unref();
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canvas = fGpuCanvas;
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} else {
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canvas = this->INHERITED::beforeChildren(canvas);
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}
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break;
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}
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}
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if (fUseClip) {
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canvas->drawColor(0xFFFF88FF);
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canvas->clipPath(fClipPath);
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}
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return canvas;
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}
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static void paint_rgn(const SkBitmap& bm, const SkIRect& r,
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const SkRegion& rgn) {
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SkCanvas canvas(bm);
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SkRegion inval(rgn);
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inval.translate(r.fLeft, r.fTop);
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canvas.clipRegion(inval);
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canvas.drawColor(0xFFFF8080);
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}
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void SampleWindow::afterChildren(SkCanvas* orig) {
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if (fRequestGrabImage) {
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fRequestGrabImage = false;
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SkCanvas* canvas = fGpuCanvas ? fGpuCanvas : orig;
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SkDevice* device = canvas->getDevice();
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SkBitmap bitmap;
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SkIRect bounds = { 0, 0, this->width(), this->height() };
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if (device->readPixels(bounds, &bitmap)) {
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static int gSampleGrabCounter;
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SkString name;
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name.printf("sample_grab_%d", gSampleGrabCounter++);
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SkImageEncoder::EncodeFile(name.c_str(), bitmap,
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SkImageEncoder::kPNG_Type, 100);
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}
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}
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switch (fCanvasType) {
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case kRaster_CanvasType:
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break;
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case kPicture_CanvasType:
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if (true) {
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SkPicture* pict = new SkPicture(*fPicture);
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fPicture->unref();
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orig->drawPicture(*pict);
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pict->unref();
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} else if (true) {
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SkDynamicMemoryWStream ostream;
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fPicture->serialize(&ostream);
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fPicture->unref();
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SkMemoryStream istream(ostream.getStream(), ostream.getOffset());
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SkPicture pict(&istream);
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orig->drawPicture(pict);
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} else {
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fPicture->draw(orig);
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fPicture->unref();
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}
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fPicture = NULL;
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break;
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#ifdef SK_SUPPORT_GL
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case kGPU_CanvasType:
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delete fGpuCanvas;
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fGpuCanvas = NULL;
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presentGL();
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#ifdef USE_OFFSCREEN
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reverseRedAndBlue(orig->getDevice()->accessBitmap(true));
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#endif
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break;
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#endif
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}
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// if ((fScrollTestX | fScrollTestY) != 0)
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if (false) {
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const SkBitmap& bm = orig->getDevice()->accessBitmap(true);
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int dx = fScrollTestX * 7;
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int dy = fScrollTestY * 7;
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SkIRect r;
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SkRegion inval;
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r.set(50, 50, 50+100, 50+100);
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bm.scrollRect(&r, dx, dy, &inval);
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paint_rgn(bm, r, inval);
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}
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}
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void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) {
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if (fScale) {
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SkScalar scale = SK_Scalar1 * 7 / 10;
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SkScalar cx = this->width() / 2;
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SkScalar cy = this->height() / 2;
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canvas->translate(cx, cy);
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canvas->scale(scale, scale);
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canvas->translate(-cx, -cy);
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}
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if (fRotate) {
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SkScalar cx = this->width() / 2;
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SkScalar cy = this->height() / 2;
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canvas->translate(cx, cy);
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canvas->rotate(SkIntToScalar(30));
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canvas->translate(-cx, -cy);
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}
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}
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void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) {
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}
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static SkBitmap::Config gConfigCycle[] = {
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SkBitmap::kNo_Config, // none -> none
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SkBitmap::kNo_Config, // a1 -> none
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SkBitmap::kNo_Config, // a8 -> none
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SkBitmap::kNo_Config, // index8 -> none
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SkBitmap::kARGB_4444_Config, // 565 -> 4444
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SkBitmap::kARGB_8888_Config, // 4444 -> 8888
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SkBitmap::kRGB_565_Config // 8888 -> 565
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};
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|
|
static SkBitmap::Config cycle_configs(SkBitmap::Config c) {
|
|
return gConfigCycle[c];
|
|
}
|
|
|
|
bool SampleWindow::nextSample() {
|
|
fCurrIndex = (fCurrIndex + 1) % fSamples.count();
|
|
this->loadView(fSamples[fCurrIndex]());
|
|
return true;
|
|
}
|
|
|
|
bool SampleWindow::onEvent(const SkEvent& evt) {
|
|
if (evt.isType(ANIMATING_EVENTTYPE)) {
|
|
if (fAnimating) {
|
|
this->nextSample();
|
|
this->postAnimatingEvent();
|
|
}
|
|
return true;
|
|
}
|
|
if (evt.isType("set-curr-index")) {
|
|
fCurrIndex = evt.getFast32() % fSamples.count();
|
|
this->loadView(fSamples[fCurrIndex]());
|
|
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);
|
|
}
|
|
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 'a':
|
|
fAnimating = !fAnimating;
|
|
this->postAnimatingEvent();
|
|
this->updateTitle();
|
|
return true;
|
|
case 'f': {
|
|
const char* title = this->getTitle();
|
|
if (title[0] == 0) {
|
|
title = "sampleapp";
|
|
}
|
|
SkString name(title);
|
|
cleanup_for_filename(&name);
|
|
name.append(".png");
|
|
if (SkImageEncoder::EncodeFile(name.c_str(), this->getBitmap(),
|
|
SkImageEncoder::kPNG_Type, 100)) {
|
|
SkDebugf("Created %s\n", name.c_str());
|
|
}
|
|
return true;
|
|
}
|
|
case 'r':
|
|
fRotate = !fRotate;
|
|
this->inval(NULL);
|
|
this->updateTitle();
|
|
return true;
|
|
case 's':
|
|
fScale = !fScale;
|
|
this->inval(NULL);
|
|
this->updateTitle();
|
|
return true;
|
|
case 'd':
|
|
SkGraphics::SetFontCacheUsed(0);
|
|
return true;
|
|
case 'g':
|
|
fRequestGrabImage = true;
|
|
this->inval(NULL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return this->INHERITED::onHandleChar(uni);
|
|
}
|
|
|
|
#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:
|
|
fCanvasType = cycle_canvastype(fCanvasType);
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
return true;
|
|
case kUp_SkKey:
|
|
fNClip = !fNClip;
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
return true;
|
|
case kDown_SkKey:
|
|
this->setConfig(cycle_configs(this->getBitmap().config()));
|
|
this->updateTitle();
|
|
return true;
|
|
case kOK_SkKey:
|
|
if (false) {
|
|
SkDebugfDumper dumper;
|
|
SkDumpCanvas dc(&dumper);
|
|
this->draw(&dc);
|
|
} else {
|
|
fRepeatDrawing = !fRepeatDrawing;
|
|
if (fRepeatDrawing) {
|
|
this->inval(NULL);
|
|
}
|
|
}
|
|
return true;
|
|
case kBack_SkKey:
|
|
this->loadView(NULL);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return this->INHERITED::onHandleKey(key);
|
|
}
|
|
|
|
void SampleWindow::loadView(SkView* view) {
|
|
SkView::F2BIter iter(this);
|
|
SkView* prev = iter.next();
|
|
if (prev) {
|
|
prev->detachFromParent();
|
|
}
|
|
|
|
if (NULL == view) {
|
|
view = create_overview(fSamples.count(), fSamples.begin());
|
|
}
|
|
view->setVisibleP(true);
|
|
view->setClipToBounds(false);
|
|
this->attachChildToFront(view)->unref();
|
|
view->setSize(this->width(), this->height());
|
|
|
|
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* gCanvasTypePrefix[] = {
|
|
"raster: ",
|
|
"picture: ",
|
|
"opengl: "
|
|
};
|
|
|
|
void SampleWindow::updateTitle() {
|
|
SkString title;
|
|
|
|
SkView::F2BIter iter(this);
|
|
SkView* view = iter.next();
|
|
SkEvent evt(gTitleEvtName);
|
|
if (view->doQuery(&evt)) {
|
|
title.set(evt.findString(gTitleEvtName));
|
|
}
|
|
if (title.size() == 0) {
|
|
title.set("<unknown>");
|
|
}
|
|
|
|
title.prepend(gCanvasTypePrefix[fCanvasType]);
|
|
|
|
title.prepend(" ");
|
|
title.prepend(configToString(this->getBitmap().config()));
|
|
|
|
if (fAnimating) {
|
|
title.prepend("<A> ");
|
|
}
|
|
if (fScale) {
|
|
title.prepend("<S> ");
|
|
}
|
|
if (fRotate) {
|
|
title.prepend("<R> ");
|
|
}
|
|
if (fNClip) {
|
|
title.prepend("<C> ");
|
|
}
|
|
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
|
|
}
|
|
|
|
this->updateTitle(); // to refresh our config
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
SkOSWindow* create_sk_window(void* hwnd) {
|
|
// test();
|
|
return new SampleWindow(hwnd);
|
|
}
|
|
|
|
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();
|
|
}
|