| #include "SkCanvas.h" |
| #include "SkDevice.h" |
| #include "SkGpuCanvas.h" |
| #include "SkGraphics.h" |
| #include "SkImageEncoder.h" |
| #include "SkPaint.h" |
| #include "SkPicture.h" |
| #include "SkStream.h" |
| #include "SkTime.h" |
| #include "SkWindow.h" |
| |
| #include "SampleCode.h" |
| #include "GrContext.h" |
| #include "SkTouchGesture.h" |
| #include "SkTypeface.h" |
| |
| #define TEST_GPIPEx |
| |
| #ifdef TEST_GPIPE |
| #define PIPE_FILE |
| #define FILE_PATH "/path/to/drawing.data" |
| #endif |
| |
| #define USE_ARROWS_FOR_ZOOM true |
| //#define DEFAULT_TO_GPU |
| |
| extern SkView* create_overview(int, const SkViewFactory[]); |
| |
| #define SK_SUPPORT_GL |
| |
| #define ANIMATING_EVENTTYPE "nextSample" |
| #define ANIMATING_DELAY 750 |
| |
| #ifdef SK_DEBUG |
| #define FPS_REPEAT_MULTIPLIER 1 |
| #else |
| #define FPS_REPEAT_MULTIPLIER 10 |
| #endif |
| #define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER) |
| |
| #ifdef SK_SUPPORT_GL |
| #include "GrGLConfig.h" |
| #endif |
| |
| /////////////// |
| static const char view_inval_msg[] = "view-inval-msg"; |
| |
| static void postInvalDelay(SkEventSinkID sinkID) { |
| SkEvent* evt = new SkEvent(view_inval_msg); |
| evt->post(sinkID, 1); |
| } |
| |
| static bool isInvalEvent(const SkEvent& evt) { |
| return evt.isType(view_inval_msg); |
| } |
| ////////////////// |
| |
| SkViewRegister* SkViewRegister::gHead; |
| SkViewRegister::SkViewRegister(SkViewFactory fact) : fFact(fact) { |
| static bool gOnce; |
| if (!gOnce) { |
| gHead = NULL; |
| gOnce = true; |
| } |
| |
| fChain = gHead; |
| gHead = this; |
| } |
| |
| #if defined(SK_SUPPORT_GL) |
| #define SK_USE_SHADERS |
| #endif |
| |
| #ifdef SK_BUILD_FOR_MAC |
| #include <CoreFoundation/CoreFoundation.h> |
| #include <CoreFoundation/CFURLAccess.h> |
| |
| static void testpdf() { |
| CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf", |
| kCFStringEncodingUTF8); |
| CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path, |
| kCFURLPOSIXPathStyle, |
| false); |
| CFRelease(path); |
| CGRect box = CGRectMake(0, 0, 8*72, 10*72); |
| CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL); |
| CFRelease(url); |
| |
| CGContextBeginPage(cg, &box); |
| CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5); |
| CGContextFillEllipseInRect(cg, r); |
| CGContextEndPage(cg); |
| CGContextRelease(cg); |
| |
| if (false) { |
| SkBitmap bm; |
| bm.setConfig(SkBitmap::kA8_Config, 64, 64); |
| bm.allocPixels(); |
| bm.eraseColor(0); |
| |
| SkCanvas canvas(bm); |
| |
| } |
| } |
| #endif |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| enum FlipAxisEnum { |
| kFlipAxis_X = (1 << 0), |
| kFlipAxis_Y = (1 << 1) |
| }; |
| |
| enum SkTriState { |
| kFalse_SkTriState, |
| kTrue_SkTriState, |
| kUnknown_SkTriState, |
| }; |
| |
| static SkTriState cycle_tristate(SkTriState state) { |
| static const SkTriState gCycle[] = { |
| /* kFalse_SkTriState -> */ kUnknown_SkTriState, |
| /* kTrue_SkTriState -> */ kFalse_SkTriState, |
| /* kUnknown_SkTriState -> */ kTrue_SkTriState, |
| }; |
| return gCycle[state]; |
| } |
| |
| #include "SkDrawFilter.h" |
| |
| class FlagsDrawFilter : public SkDrawFilter { |
| public: |
| FlagsDrawFilter(SkTriState lcd, SkTriState aa, SkTriState filter, |
| SkTriState hinting) : |
| fLCDState(lcd), fAAState(aa), fFilterState(filter), fHintingState(hinting) {} |
| |
| virtual void filter(SkPaint* paint, Type t) { |
| if (kText_Type == t && kUnknown_SkTriState != fLCDState) { |
| paint->setLCDRenderText(kTrue_SkTriState == fLCDState); |
| } |
| if (kUnknown_SkTriState != fAAState) { |
| paint->setAntiAlias(kTrue_SkTriState == fAAState); |
| } |
| if (kUnknown_SkTriState != fFilterState) { |
| paint->setFilterBitmap(kTrue_SkTriState == fFilterState); |
| } |
| if (kUnknown_SkTriState != fHintingState) { |
| paint->setHinting(kTrue_SkTriState == fHintingState ? |
| SkPaint::kNormal_Hinting : |
| SkPaint::kSlight_Hinting); |
| } |
| } |
| |
| private: |
| SkTriState fLCDState; |
| SkTriState fAAState; |
| SkTriState fFilterState; |
| SkTriState fHintingState; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| #define MAX_ZOOM_LEVEL 8 |
| #define MIN_ZOOM_LEVEL -8 |
| |
| static const char gCharEvtName[] = "SampleCode_Char_Event"; |
| static const char gKeyEvtName[] = "SampleCode_Key_Event"; |
| static const char gTitleEvtName[] = "SampleCode_Title_Event"; |
| static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; |
| static const char gFastTextEvtName[] = "SampleCode_FastText_Event"; |
| |
| 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::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); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static SkView* curr_view(SkWindow* wind) { |
| SkView::F2BIter iter(wind); |
| return iter.next(); |
| } |
| |
| class SampleWindow : public SkOSWindow { |
| SkTDArray<SkViewFactory> fSamples; |
| public: |
| SampleWindow(void* hwnd); |
| virtual ~SampleWindow(); |
| |
| virtual void draw(SkCanvas* canvas); |
| |
| protected: |
| virtual void onDraw(SkCanvas* canvas); |
| virtual bool onHandleKey(SkKey key); |
| virtual bool onHandleChar(SkUnichar); |
| virtual void onSizeChange(); |
| |
| virtual SkCanvas* beforeChildren(SkCanvas*); |
| virtual void afterChildren(SkCanvas*); |
| virtual void beforeChild(SkView* child, SkCanvas* canvas); |
| virtual void afterChild(SkView* child, SkCanvas* canvas); |
| |
| virtual bool onEvent(const SkEvent& evt); |
| virtual bool onQuery(SkEvent* evt); |
| |
| virtual bool onDispatchClick(int x, int y, Click::State); |
| virtual bool onClick(Click* click); |
| virtual Click* onFindClickHandler(SkScalar x, SkScalar y); |
| |
| #if 0 |
| virtual bool handleChar(SkUnichar uni); |
| virtual bool handleEvent(const SkEvent& evt); |
| virtual bool handleKey(SkKey key); |
| virtual bool handleKeyUp(SkKey key); |
| virtual bool onHandleKeyUp(SkKey key); |
| #endif |
| |
| private: |
| int fCurrIndex; |
| |
| SkPicture* fPicture; |
| SkGpuCanvas* fGpuCanvas; |
| GrContext* fGrContext; |
| SkPath fClipPath; |
| |
| SkTouchGesture fGesture; |
| int fZoomLevel; |
| SkScalar fZoomScale; |
| |
| enum CanvasType { |
| kRaster_CanvasType, |
| kPicture_CanvasType, |
| kGPU_CanvasType |
| }; |
| CanvasType fCanvasType; |
| |
| bool fUseClip; |
| bool fNClip; |
| bool fRepeatDrawing; |
| bool fAnimating; |
| bool fRotate; |
| bool fScale; |
| bool fRequestGrabImage; |
| bool fUsePipe; |
| bool fMeasureFPS; |
| SkMSec fMeasureFPS_Time; |
| |
| // The following are for the 'fatbits' drawing |
| // Latest position of the mouse. |
| int fMouseX, fMouseY; |
| int fFatBitsScale; |
| // Used by the text showing position and color values. |
| SkTypeface* fTypeface; |
| bool fShowZoomer; |
| |
| SkTriState fLCDState; |
| SkTriState fAAState; |
| SkTriState fFilterState; |
| SkTriState fHintingState; |
| unsigned fFlipAxis; |
| |
| int fScrollTestX, fScrollTestY; |
| |
| bool make3DReady(); |
| void changeZoomLevel(int delta); |
| |
| void loadView(SkView*); |
| void updateTitle(); |
| bool nextSample(); |
| |
| void toggleZoomer(); |
| bool zoomIn(); |
| bool zoomOut(); |
| void updatePointer(int x, int y); |
| void showZoomer(SkCanvas* canvas); |
| |
| void postAnimatingEvent() { |
| if (fAnimating) { |
| SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE); |
| evt->post(this->getSinkID(), ANIMATING_DELAY); |
| } |
| } |
| |
| |
| static CanvasType cycle_canvastype(CanvasType); |
| |
| typedef SkOSWindow INHERITED; |
| }; |
| |
| 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::toggleZoomer() |
| { |
| fShowZoomer = !fShowZoomer; |
| this->inval(NULL); |
| } |
| |
| void SampleWindow::updatePointer(int x, int y) |
| { |
| fMouseX = x; |
| fMouseY = y; |
| if (fShowZoomer) { |
| this->inval(NULL); |
| } |
| } |
| |
| bool SampleWindow::make3DReady() { |
| |
| #if defined(SK_SUPPORT_GL) |
| if (attachGL()) { |
| if (NULL != fGrContext) { |
| // various gr lifecycle tests |
| #if 0 |
| fGrContext->freeGpuResources(); |
| #elif 0 |
| // this will leak resources. |
| fGrContext->contextLost(); |
| #elif 0 |
| GrAssert(1 == fGrContext->refcnt()); |
| fGrContext->unref(); |
| fGrContext = NULL; |
| #endif |
| } |
| |
| if (NULL == fGrContext) { |
| #if defined(SK_USE_SHADERS) |
| fGrContext = GrContext::Create(kOpenGL_Shaders_GrEngine, NULL); |
| #else |
| fGrContext = GrContext::Create(kOpenGL_Fixed_GrEngine, NULL); |
| #endif |
| SkDebugf("---- constructor\n"); |
| } |
| |
| if (NULL != fGrContext) { |
| return true; |
| } else { |
| detachGL(); |
| } |
| } |
| #endif |
| SkDebugf("Failed to setup 3D"); |
| return false; |
| } |
| |
| SampleWindow::CanvasType SampleWindow::cycle_canvastype(CanvasType ct) { |
| static const CanvasType gCT[] = { |
| kPicture_CanvasType, |
| kGPU_CanvasType, |
| kRaster_CanvasType |
| }; |
| return gCT[ct]; |
| } |
| |
| SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) { |
| #ifdef PIPE_FILE |
| //Clear existing file or create file if it doesn't exist |
| FILE* f = fopen(FILE_PATH, "wb"); |
| fclose(f); |
| #endif |
| |
| fPicture = NULL; |
| fGpuCanvas = NULL; |
| |
| fGrContext = NULL; |
| |
| #ifdef DEFAULT_TO_GPU |
| fCanvasType = kGPU_CanvasType; |
| #else |
| fCanvasType = kRaster_CanvasType; |
| #endif |
| fUseClip = false; |
| fNClip = false; |
| fRepeatDrawing = false; |
| fAnimating = false; |
| fRotate = false; |
| fScale = false; |
| fRequestGrabImage = false; |
| fUsePipe = false; |
| fMeasureFPS = false; |
| fLCDState = kUnknown_SkTriState; |
| fAAState = kUnknown_SkTriState; |
| fFilterState = kUnknown_SkTriState; |
| fHintingState = kUnknown_SkTriState; |
| fFlipAxis = 0; |
| fScrollTestX = fScrollTestY = 0; |
| |
| fMouseX = fMouseY = 0; |
| fFatBitsScale = 8; |
| fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold); |
| fShowZoomer = false; |
| |
| fZoomLevel = 0; |
| fZoomScale = SK_Scalar1; |
| |
| // this->setConfig(SkBitmap::kRGB_565_Config); |
| this->setConfig(SkBitmap::kARGB_8888_Config); |
| this->setVisibleP(true); |
| this->setClipToBounds(false); |
| |
| { |
| const SkViewRegister* reg = SkViewRegister::Head(); |
| while (reg) { |
| *fSamples.append() = reg->factory(); |
| reg = reg->next(); |
| } |
| } |
| fCurrIndex = 0; |
| this->loadView(fSamples[fCurrIndex]()); |
| |
| #ifdef SK_BUILD_FOR_MAC |
| testpdf(); |
| #endif |
| } |
| |
| SampleWindow::~SampleWindow() { |
| delete fPicture; |
| delete fGpuCanvas; |
| if (NULL != fGrContext) { |
| fGrContext->unref(); |
| } |
| fTypeface->unref(); |
| } |
| |
| static SkBitmap capture_bitmap(SkCanvas* canvas) { |
| SkBitmap bm; |
| const SkBitmap& src = canvas->getDevice()->accessBitmap(false); |
| src.copyTo(&bm, src.config()); |
| return bm; |
| } |
| |
| static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig, |
| SkBitmap* diff) { |
| const SkBitmap& src = canvas->getDevice()->accessBitmap(false); |
| |
| SkAutoLockPixels alp0(src); |
| SkAutoLockPixels alp1(orig); |
| for (int y = 0; y < src.height(); y++) { |
| const void* srcP = src.getAddr(0, y); |
| const void* origP = orig.getAddr(0, y); |
| size_t bytes = src.width() * src.bytesPerPixel(); |
| if (memcmp(srcP, origP, bytes)) { |
| SkDebugf("---------- difference on line %d\n", y); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint) |
| { |
| SkColor desiredColor = paint.getColor(); |
| paint.setColor(SK_ColorWHITE); |
| const char* c_str = string.c_str(); |
| size_t size = string.size(); |
| SkRect bounds; |
| paint.measureText(c_str, size, &bounds); |
| bounds.offset(left, top); |
| SkScalar inset = SkIntToScalar(-2); |
| bounds.inset(inset, inset); |
| canvas->drawRect(bounds, paint); |
| if (desiredColor != SK_ColorBLACK) { |
| paint.setColor(SK_ColorBLACK); |
| canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint); |
| } |
| paint.setColor(desiredColor); |
| canvas->drawText(c_str, size, left, top, paint); |
| } |
| |
| #define XCLIP_N 8 |
| #define YCLIP_N 8 |
| |
| void SampleWindow::draw(SkCanvas* canvas) { |
| // update the animation time |
| gAnimTimePrev = gAnimTime; |
| gAnimTime = SkTime::GetMSecs(); |
| |
| SkScalar cx = SkScalarHalf(this->width()); |
| SkScalar cy = SkScalarHalf(this->height()); |
| |
| if (fZoomLevel) { |
| SkMatrix m; |
| SkPoint center; |
| m = canvas->getTotalMatrix();//.invert(&m); |
| m.mapXY(cx, cy, ¢er); |
| cx = center.fX; |
| cy = center.fY; |
| |
| m.setTranslate(-cx, -cy); |
| m.postScale(fZoomScale, fZoomScale); |
| m.postTranslate(cx, cy); |
| |
| canvas->concat(m); |
| } |
| |
| if (fFlipAxis) { |
| SkMatrix m; |
| m.setTranslate(cx, cy); |
| if (fFlipAxis & kFlipAxis_X) { |
| m.preScale(-SK_Scalar1, SK_Scalar1); |
| } |
| if (fFlipAxis & kFlipAxis_Y) { |
| m.preScale(SK_Scalar1, -SK_Scalar1); |
| } |
| m.preTranslate(-cx, -cy); |
| canvas->concat(m); |
| } |
| |
| // Apply any gesture matrix |
| if (true) { |
| const SkMatrix& localM = fGesture.localM(); |
| if (localM.getType() & SkMatrix::kScale_Mask) { |
| canvas->setExternalMatrix(&localM); |
| } |
| canvas->concat(localM); |
| canvas->concat(fGesture.globalM()); |
| |
| if (fGesture.isActive()) { |
| this->inval(NULL); |
| } |
| } |
| |
| if (fNClip) { |
| this->INHERITED::draw(canvas); |
| SkBitmap orig = capture_bitmap(canvas); |
| |
| const SkScalar w = this->width(); |
| const SkScalar h = this->height(); |
| const SkScalar cw = w / XCLIP_N; |
| const SkScalar ch = h / YCLIP_N; |
| for (int y = 0; y < YCLIP_N; y++) { |
| SkRect r; |
| r.fTop = y * ch; |
| r.fBottom = (y + 1) * ch; |
| if (y == YCLIP_N - 1) { |
| r.fBottom = h; |
| } |
| for (int x = 0; x < XCLIP_N; x++) { |
| SkAutoCanvasRestore acr(canvas, true); |
| r.fLeft = x * cw; |
| r.fRight = (x + 1) * cw; |
| if (x == XCLIP_N - 1) { |
| r.fRight = w; |
| } |
| canvas->clipRect(r); |
| this->INHERITED::draw(canvas); |
| } |
| } |
| |
| SkBitmap diff; |
| if (bitmap_diff(canvas, orig, &diff)) { |
| } |
| } else { |
| this->INHERITED::draw(canvas); |
| } |
| if (fShowZoomer && fCanvasType != kGPU_CanvasType) { |
| // In the GPU case, INHERITED::draw calls beforeChildren, which |
| // creates an SkGpuCanvas. All further draw calls are directed |
| // at that canvas, which is deleted in afterChildren (which is |
| // also called by draw), so we cannot show the zoomer here. |
| // Instead, we call it inside afterChildren. |
| showZoomer(canvas); |
| } |
| } |
| |
| void SampleWindow::showZoomer(SkCanvas* canvas) { |
| int count = canvas->save(); |
| canvas->resetMatrix(); |
| // Ensure the mouse position is on screen. |
| int width = SkScalarRound(this->width()); |
| int height = SkScalarRound(this->height()); |
| if (fMouseX >= width) fMouseX = width - 1; |
| else if (fMouseX < 0) fMouseX = 0; |
| if (fMouseY >= height) fMouseY = height - 1; |
| else if (fMouseY < 0) fMouseY = 0; |
| |
| SkBitmap bitmap = capture_bitmap(canvas); |
| bitmap.lockPixels(); |
| |
| // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle. |
| int zoomedWidth = (width >> 1) | 1; |
| int zoomedHeight = (height >> 1) | 1; |
| SkIRect src; |
| src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale); |
| src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1)); |
| SkRect dest; |
| dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight)); |
| dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight)); |
| SkPaint paint; |
| // Clear the background behind our zoomed in view |
| paint.setColor(SK_ColorWHITE); |
| canvas->drawRect(dest, paint); |
| canvas->drawBitmapRect(bitmap, &src, dest); |
| paint.setColor(SK_ColorBLACK); |
| paint.setStyle(SkPaint::kStroke_Style); |
| // Draw a border around the pixel in the middle |
| SkRect originalPixel; |
| originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1)); |
| SkMatrix matrix; |
| SkRect scalarSrc; |
| scalarSrc.set(src); |
| SkColor color = bitmap.getColor(fMouseX, fMouseY); |
| if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) { |
| SkRect pixel; |
| matrix.mapRect(&pixel, originalPixel); |
| // TODO Perhaps measure the values and make the outline white if it's "dark" |
| if (color == SK_ColorBLACK) { |
| paint.setColor(SK_ColorWHITE); |
| } |
| canvas->drawRect(pixel, paint); |
| } |
| paint.setColor(SK_ColorBLACK); |
| // Draw a border around the destination rectangle |
| canvas->drawRect(dest, paint); |
| paint.setStyle(SkPaint::kStrokeAndFill_Style); |
| // Identify the pixel and its color on screen |
| paint.setTypeface(fTypeface); |
| paint.setAntiAlias(true); |
| SkScalar lineHeight = paint.getFontMetrics(NULL); |
| SkString string; |
| string.appendf("(%i, %i)", fMouseX, fMouseY); |
| SkScalar left = dest.fLeft + SkIntToScalar(3); |
| SkScalar i = SK_Scalar1; |
| drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); |
| // Alpha |
| i += SK_Scalar1; |
| string.reset(); |
| string.appendf("A: %X", SkColorGetA(color)); |
| drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); |
| // Red |
| i += SK_Scalar1; |
| string.reset(); |
| string.appendf("R: %X", SkColorGetR(color)); |
| paint.setColor(SK_ColorRED); |
| drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); |
| // Green |
| i += SK_Scalar1; |
| string.reset(); |
| string.appendf("G: %X", SkColorGetG(color)); |
| paint.setColor(SK_ColorGREEN); |
| drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); |
| // Blue |
| i += SK_Scalar1; |
| string.reset(); |
| string.appendf("B: %X", SkColorGetB(color)); |
| paint.setColor(SK_ColorBLUE); |
| drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint); |
| canvas->restoreToCount(count); |
| } |
| |
| void SampleWindow::onDraw(SkCanvas* canvas) { |
| if (fRepeatDrawing) { |
| this->inval(NULL); |
| } |
| } |
| |
| #include "SkColorPriv.h" |
| |
| static void reverseRedAndBlue(const SkBitmap& bm) { |
| SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); |
| uint8_t* p = (uint8_t*)bm.getPixels(); |
| uint8_t* stop = p + bm.getSize(); |
| while (p < stop) { |
| // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply |
| unsigned scale = SkAlpha255To256(p[3]); |
| unsigned r = p[2]; |
| unsigned b = p[0]; |
| p[0] = SkAlphaMul(r, scale); |
| p[1] = SkAlphaMul(p[1], scale); |
| p[2] = SkAlphaMul(b, scale); |
| p += 4; |
| } |
| } |
| |
| SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { |
| if (kGPU_CanvasType != fCanvasType) { |
| #ifdef SK_SUPPORT_GL |
| detachGL(); |
| #endif |
| } |
| |
| switch (fCanvasType) { |
| case kRaster_CanvasType: |
| canvas = this->INHERITED::beforeChildren(canvas); |
| break; |
| case kPicture_CanvasType: |
| fPicture = new SkPicture; |
| canvas = fPicture->beginRecording(9999, 9999); |
| break; |
| case kGPU_CanvasType: { |
| if (make3DReady()) { |
| SkDevice* device = canvas->getDevice(); |
| const SkBitmap& bitmap = device->accessBitmap(true); |
| |
| GrRenderTarget* renderTarget; |
| renderTarget = fGrContext->createRenderTargetFrom3DApiState(); |
| fGpuCanvas = new SkGpuCanvas(fGrContext, renderTarget); |
| renderTarget->unref(); |
| |
| device = fGpuCanvas->createDevice(SkBitmap::kARGB_8888_Config, |
| bitmap.width(), bitmap.height(), |
| false, false); |
| fGpuCanvas->setDevice(device)->unref(); |
| |
| fGpuCanvas->concat(canvas->getTotalMatrix()); |
| canvas = fGpuCanvas; |
| |
| } else { |
| canvas = this->INHERITED::beforeChildren(canvas); |
| } |
| break; |
| } |
| } |
| |
| if (fUseClip) { |
| canvas->drawColor(0xFFFF88FF); |
| canvas->clipPath(fClipPath); |
| } |
| |
| return canvas; |
| } |
| |
| static void paint_rgn(const SkBitmap& bm, const SkIRect& r, |
| const SkRegion& rgn) { |
| SkCanvas canvas(bm); |
| SkRegion inval(rgn); |
| |
| inval.translate(r.fLeft, r.fTop); |
| canvas.clipRegion(inval); |
| canvas.drawColor(0xFFFF8080); |
| } |
| |
| void SampleWindow::afterChildren(SkCanvas* orig) { |
| if (fRequestGrabImage) { |
| fRequestGrabImage = false; |
| |
| SkCanvas* canvas = fGpuCanvas ? fGpuCanvas : orig; |
| SkDevice* device = canvas->getDevice(); |
| SkBitmap bmp; |
| if (device->accessBitmap(false).copyTo(&bmp, SkBitmap::kARGB_8888_Config)) { |
| static int gSampleGrabCounter; |
| SkString name; |
| name.printf("sample_grab_%d", gSampleGrabCounter++); |
| SkImageEncoder::EncodeFile(name.c_str(), bmp, |
| SkImageEncoder::kPNG_Type, 100); |
| } |
| } |
| |
| switch (fCanvasType) { |
| case kRaster_CanvasType: |
| break; |
| case kPicture_CanvasType: |
| if (true) { |
| SkPicture* pict = new SkPicture(*fPicture); |
| fPicture->unref(); |
| orig->drawPicture(*pict); |
| pict->unref(); |
| } else if (true) { |
| SkDynamicMemoryWStream ostream; |
| fPicture->serialize(&ostream); |
| fPicture->unref(); |
| |
| SkMemoryStream istream(ostream.getStream(), ostream.getOffset()); |
| SkPicture pict(&istream); |
| orig->drawPicture(pict); |
| } else { |
| fPicture->draw(orig); |
| fPicture->unref(); |
| } |
| fPicture = NULL; |
| break; |
| #ifdef SK_SUPPORT_GL |
| case kGPU_CanvasType: |
| if (fShowZoomer && fGpuCanvas) { |
| this->showZoomer(fGpuCanvas); |
| } |
| delete fGpuCanvas; |
| fGpuCanvas = NULL; |
| presentGL(); |
| break; |
| #endif |
| } |
| |
| // Do this after presentGL and other finishing, rather than in afterChild |
| if (fMeasureFPS && fMeasureFPS_Time) { |
| fMeasureFPS_Time = SkTime::GetMSecs() - fMeasureFPS_Time; |
| this->updateTitle(); |
| postInvalDelay(this->getSinkID()); |
| } |
| |
| // if ((fScrollTestX | fScrollTestY) != 0) |
| if (false) { |
| const SkBitmap& bm = orig->getDevice()->accessBitmap(true); |
| int dx = fScrollTestX * 7; |
| int dy = fScrollTestY * 7; |
| SkIRect r; |
| SkRegion inval; |
| |
| r.set(50, 50, 50+100, 50+100); |
| bm.scrollRect(&r, dx, dy, &inval); |
| paint_rgn(bm, r, inval); |
| } |
| } |
| |
| void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { |
| if (fScale) { |
| SkScalar scale = SK_Scalar1 * 7 / 10; |
| SkScalar cx = this->width() / 2; |
| SkScalar cy = this->height() / 2; |
| canvas->translate(cx, cy); |
| canvas->scale(scale, scale); |
| canvas->translate(-cx, -cy); |
| } |
| if (fRotate) { |
| SkScalar cx = this->width() / 2; |
| SkScalar cy = this->height() / 2; |
| canvas->translate(cx, cy); |
| canvas->rotate(SkIntToScalar(30)); |
| canvas->translate(-cx, -cy); |
| } |
| |
| canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState, |
| fFilterState, fHintingState))->unref(); |
| |
| if (fMeasureFPS) { |
| fMeasureFPS_Time = 0; // 0 means the child is not aware of repeat-draw |
| if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) { |
| fMeasureFPS_Time = SkTime::GetMSecs(); |
| } |
| } else { |
| (void)SampleView::SetRepeatDraw(child, 1); |
| } |
| (void)SampleView::SetUsePipe(child, fUsePipe); |
| } |
| |
| void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { |
| canvas->setDrawFilter(NULL); |
| } |
| |
| static SkBitmap::Config gConfigCycle[] = { |
| SkBitmap::kNo_Config, // none -> none |
| SkBitmap::kNo_Config, // a1 -> none |
| SkBitmap::kNo_Config, // a8 -> none |
| SkBitmap::kNo_Config, // index8 -> none |
| SkBitmap::kARGB_4444_Config, // 565 -> 4444 |
| SkBitmap::kARGB_8888_Config, // 4444 -> 8888 |
| SkBitmap::kRGB_565_Config // 8888 -> 565 |
| }; |
| |
| static SkBitmap::Config cycle_configs(SkBitmap::Config c) { |
| return gConfigCycle[c]; |
| } |
| |
| void SampleWindow::changeZoomLevel(int delta) { |
| fZoomLevel += delta; |
| if (fZoomLevel > 0) { |
| fZoomLevel = SkMin32(fZoomLevel, MAX_ZOOM_LEVEL); |
| fZoomScale = SkIntToScalar(fZoomLevel + 1); |
| } else if (fZoomLevel < 0) { |
| fZoomLevel = SkMax32(fZoomLevel, MIN_ZOOM_LEVEL); |
| fZoomScale = SK_Scalar1 / (1 - fZoomLevel); |
| } else { |
| fZoomScale = SK_Scalar1; |
| } |
| |
| this->inval(NULL); |
| } |
| |
| 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; |
| } |
| if (isInvalEvent(evt)) { |
| this->inval(NULL); |
| 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 'b': |
| fAAState = cycle_tristate(fAAState); |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'c': |
| fUseClip = !fUseClip; |
| this->inval(NULL); |
| this->updateTitle(); |
| return true; |
| case 'd': |
| SkGraphics::SetFontCacheUsed(0); |
| return true; |
| case 'f': |
| fMeasureFPS = !fMeasureFPS; |
| this->inval(NULL); |
| break; |
| case 'g': |
| fRequestGrabImage = true; |
| this->inval(NULL); |
| break; |
| case 'h': |
| fHintingState = cycle_tristate(fHintingState); |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'i': |
| this->zoomIn(); |
| break; |
| case 'l': |
| fLCDState = cycle_tristate(fLCDState); |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'n': |
| fFilterState = cycle_tristate(fFilterState); |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'o': |
| this->zoomOut(); |
| break; |
| case 'p': |
| fUsePipe = !fUsePipe; |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'r': |
| fRotate = !fRotate; |
| this->inval(NULL); |
| this->updateTitle(); |
| return true; |
| case 's': |
| fScale = !fScale; |
| this->inval(NULL); |
| this->updateTitle(); |
| return true; |
| case 'x': |
| fFlipAxis ^= kFlipAxis_X; |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'y': |
| fFlipAxis ^= kFlipAxis_Y; |
| this->updateTitle(); |
| this->inval(NULL); |
| break; |
| case 'z': |
| this->toggleZoomer(); |
| 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: |
| if (USE_ARROWS_FOR_ZOOM) { |
| this->changeZoomLevel(1); |
| } else { |
| fNClip = !fNClip; |
| this->inval(NULL); |
| } |
| this->updateTitle(); |
| return true; |
| case kDown_SkKey: |
| if (USE_ARROWS_FOR_ZOOM) { |
| this->changeZoomLevel(-1); |
| } else { |
| 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); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static const char gGestureClickType[] = "GestureClickType"; |
| |
| bool SampleWindow::onDispatchClick(int x, int y, Click::State state) { |
| if (Click::kMoved_State == state) { |
| updatePointer(x, y); |
| } |
| int w = SkScalarRound(this->width()); |
| int h = SkScalarRound(this->height()); |
| |
| // check for the resize-box |
| if (w - x < 16 && h - y < 16) { |
| return false; // let the OS handle the click |
| } else { |
| return this->INHERITED::onDispatchClick(x, y, state); |
| } |
| } |
| |
| class GestureClick : public SkView::Click { |
| public: |
| GestureClick(SkView* target) : SkView::Click(target) { |
| this->setType(gGestureClickType); |
| } |
| |
| static bool IsGesture(Click* click) { |
| return click->isType(gGestureClickType); |
| } |
| }; |
| |
| SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y) { |
| return new GestureClick(this); |
| } |
| |
| bool SampleWindow::onClick(Click* click) { |
| if (GestureClick::IsGesture(click)) { |
| float x = SkScalarToFloat(click->fCurr.fX); |
| float y = SkScalarToFloat(click->fCurr.fY); |
| switch (click->fState) { |
| case SkView::Click::kDown_State: |
| fGesture.touchBegin(click, x, y); |
| break; |
| case SkView::Click::kMoved_State: |
| fGesture.touchMoved(click, x, y); |
| this->inval(NULL); |
| break; |
| case SkView::Click::kUp_State: |
| fGesture.touchEnd(click); |
| this->inval(NULL); |
| break; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| 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: " |
| }; |
| |
| static const char* trystate_str(SkTriState state, |
| const char trueStr[], const char falseStr[]) { |
| if (kTrue_SkTriState == state) { |
| return trueStr; |
| } else if (kFalse_SkTriState == state) { |
| return falseStr; |
| } |
| return NULL; |
| } |
| |
| 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> "); |
| } |
| |
| title.prepend(trystate_str(fLCDState, "LCD ", "lcd ")); |
| title.prepend(trystate_str(fAAState, "AA ", "aa ")); |
| title.prepend(trystate_str(fFilterState, "H ", "h ")); |
| title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL); |
| title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL); |
| |
| if (fZoomLevel) { |
| title.prependf("{%d} ", fZoomLevel); |
| } |
| |
| if (fMeasureFPS) { |
| title.appendf(" %6.1f ms", fMeasureFPS_Time / (float)FPS_REPEAT_MULTIPLIER); |
| } |
| if (fUsePipe && SampleView::IsSampleView(view)) { |
| title.prepend("<P> "); |
| } |
| if (SampleView::IsSampleView(view)) { |
| title.prepend("! "); |
| } |
| |
| 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 |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static const char is_sample_view_tag[] = "sample-is-sample-view"; |
| static const char repeat_count_tag[] = "sample-set-repeat-count"; |
| static const char set_use_pipe_tag[] = "sample-set-use-pipe"; |
| |
| bool SampleView::IsSampleView(SkView* view) { |
| SkEvent evt(is_sample_view_tag); |
| return view->doQuery(&evt); |
| } |
| |
| bool SampleView::SetRepeatDraw(SkView* view, int count) { |
| SkEvent evt(repeat_count_tag); |
| evt.setFast32(count); |
| return view->doEvent(evt); |
| } |
| |
| bool SampleView::SetUsePipe(SkView* view, bool pred) { |
| SkEvent evt(set_use_pipe_tag); |
| evt.setFast32(pred); |
| return view->doEvent(evt); |
| } |
| |
| bool SampleView::onEvent(const SkEvent& evt) { |
| if (evt.isType(repeat_count_tag)) { |
| fRepeatCount = evt.getFast32(); |
| return true; |
| } |
| if (evt.isType(set_use_pipe_tag)) { |
| fUsePipe = !!evt.getFast32(); |
| return true; |
| } |
| return this->INHERITED::onEvent(evt); |
| } |
| |
| bool SampleView::onQuery(SkEvent* evt) { |
| if (evt->isType(is_sample_view_tag)) { |
| return true; |
| } |
| return this->INHERITED::onQuery(evt); |
| } |
| |
| #ifdef TEST_GPIPE |
| #include "SkGPipe.h" |
| |
| class SimplePC : public SkGPipeController { |
| public: |
| SimplePC(SkCanvas* target); |
| ~SimplePC(); |
| |
| 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; |
| } |
| |
| SimplePC::~SimplePC() { |
| // SkASSERT(SkGPipeReader::kDone_Status == fStatus); |
| sk_free(fBlock); |
| |
| if (fTotalWritten) { |
| SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten, |
| fAtomsWritten, fStatus); |
| } |
| } |
| |
| 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); |
| |
| #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 |
| |
| fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes); |
| SkASSERT(SkGPipeReader::kError_Status != fStatus); |
| fBytesWritten += bytes; |
| fTotalWritten += bytes; |
| |
| fAtomsWritten += 1; |
| } |
| |
| #endif |
| |
| |
| void SampleView::onDraw(SkCanvas* canvas) { |
| #ifdef TEST_GPIPE |
| SimplePC controller(canvas); |
| SkGPipeWriter writer; |
| if (fUsePipe) { |
| uint32_t flags = SkGPipeWriter::kCrossProcess_Flag; |
| // flags = 0; |
| canvas = writer.startRecording(&controller, flags); |
| } |
| #endif |
| |
| 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); |
| } |
| } |
| |
| 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(); |
| } |
