DRAW_TEST_P(CGContextFillMode, OverlappedEllipses) { CGContextRef context = GetDrawingContext(); CGRect bounds = GetDrawingBounds(); bounds = CGRectInset(bounds, 16.f, 16.f); CGFloat width = bounds.size.width; CGFloat height = bounds.size.height; CGFloat xstart = bounds.origin.x; CGFloat ystart = bounds.origin.y; CGPathDrawingMode fillMode = GetParam(); CGMutablePathRef leftCircles = CGPathCreateMutable(); CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .4 * height, ystart + .5 * height); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .4 * height, 0, M_PI, true); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .4 * height, M_PI, 0, true); CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .3 * height, ystart + .5 * height); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .3 * height, 0, M_PI, true); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .3 * height, M_PI, 0, true); CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .2 * height, ystart + .5 * height); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .2 * height, 0, M_PI, true); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .2 * height, M_PI, 0, true); CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .1 * height, ystart + .5 * height); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .1 * height, 0, M_PI, true); CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .1 * height, M_PI, 0, true); CGPathCloseSubpath(leftCircles); CGMutablePathRef rightCircles = CGPathCreateMutable(); CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .4 * height, ystart + .5 * height); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .4 * height, 0, M_PI, false); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .4 * height, M_PI, 0, false); CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .3 * height, ystart + .5 * height); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .3 * height, 0, M_PI, true); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .3 * height, M_PI, 0, true); CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .2 * height, ystart + .5 * height); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .2 * height, 0, M_PI, false); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .2 * height, M_PI, 0, false); CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .1 * height, ystart + .5 * height); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .1 * height, 0, M_PI, true); CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .1 * height, M_PI, 0, true); CGPathCloseSubpath(rightCircles); CGContextAddPath(context, leftCircles); CGContextAddPath(context, rightCircles); CGContextSetRGBFillColor(context, 0, 0, 1, 1); CGContextSetRGBStrokeColor(context, 1, 0, 0, 1); CGContextDrawPath(context, fillMode); CGPathRelease(leftCircles); CGPathRelease(rightCircles); }
void GraphicsContext::drawFocusRing(const Color& color) { if (paintingDisabled()) return; float radius = (focusRingWidth() - 1) / 2.0f; int offset = radius + focusRingOffset(); CGColorRef colorRef = color.isValid() ? cgColor(color) : 0; CGMutablePathRef focusRingPath = CGPathCreateMutable(); const Vector<IntRect>& rects = focusRingRects(); unsigned rectCount = rects.size(); for (unsigned i = 0; i < rectCount; i++) CGPathAddRect(focusRingPath, 0, CGRectInset(rects[i], -offset, -offset)); CGContextRef context = platformContext(); CGContextSaveGState(context); CGContextBeginPath(context); CGContextAddPath(context, focusRingPath); wkDrawFocusRing(context, colorRef, radius); CGColorRelease(colorRef); CGPathRelease(focusRingPath); CGContextRestoreGState(context); }
Path& Path::operator=(const Path& other) { CGMutablePathRef path = CGPathCreateMutableCopy(other.m_path); CGPathRelease(m_path); m_path = path; return *this; }
bool PathCG::StrokeContainsPoint(const StrokeOptions &aStrokeOptions, const Point &aPoint, const Matrix &aTransform) const { Matrix inverse = aTransform; inverse.Invert(); Point transformedPoint = inverse*aPoint; // We could probably drop the input transform and just transform the point at the caller? CGPoint point = {transformedPoint.x, transformedPoint.y}; CGContextRef cg = ScratchContext(); CGContextSaveGState(cg); CGContextBeginPath(cg); CGContextAddPath(cg, mPath); SetStrokeOptions(cg, aStrokeOptions); CGContextReplacePathWithStrokedPath(cg); CGContextRestoreGState(cg); CGPathRef sPath = CGContextCopyPath(cg); bool inStroke = CGPathContainsPoint(sPath, nullptr, point, false); CGPathRelease(sPath); return inStroke; }
void Path::translate(const FloatSize& size) { CGAffineTransform translation = CGAffineTransformMake(1, 0, 0, 1, size.width(), size.height()); CGMutablePathRef newPath = CGPathCreateMutable(); CGPathAddPath(newPath, &translation, m_path); CGPathRelease(m_path); m_path = newPath; }
void Path::clear() { if (isNull()) return; CGPathRelease(m_path); m_path = CGPathCreateMutable(); }
void Path::transform(const AffineTransform& transform) { CGMutablePathRef path = CGPathCreateMutable(); CGAffineTransform transformCG = transform; CGPathAddPath(path, &transformCG, m_path); CGPathRelease(m_path); m_path = path; }
void Path::translate(const FloatSize& size) { CGAffineTransform translation = CGAffineTransformMake(1, 0, 0, 1, size.width(), size.height()); CGMutablePathRef newPath = CGPathCreateMutable(); // FIXME: This is potentially wasteful to allocate an empty path only to create a transformed copy. CGPathAddPath(newPath, &translation, ensurePlatformPath()); CGPathRelease(m_path); m_path = newPath; }
static cairo_int_status_t _cairo_quartz_init_glyph_path (cairo_quartz_scaled_font_t *font, cairo_scaled_glyph_t *scaled_glyph) { cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font); CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph); CGAffineTransform textMatrix; CGPathRef glyphPath; CTFontRef ctFont; cairo_path_fixed_t *path; if (glyph == INVALID_GLYPH) { _cairo_scaled_glyph_set_path (scaled_glyph, &font->base, _cairo_path_fixed_create()); return CAIRO_STATUS_SUCCESS; } /* scale(1,-1) * font->base.scale */ textMatrix = CGAffineTransformMake (font->base.scale.xx, font->base.scale.yx, -font->base.scale.xy, -font->base.scale.yy, 0, 0); // glyphPath = CGFontGetGlyphPathPtr (font_face->cgFont, &textMatrix, 0, glyph); ctFont = CTFontCreateWithGraphicsFont (font_face->cgFont, 0.0, NULL, NULL); glyphPath = CTFontCreatePathForGlyph (ctFont, glyph, &textMatrix); CFRelease (ctFont); if (!glyphPath) return CAIRO_INT_STATUS_UNSUPPORTED; path = _cairo_path_fixed_create (); if (!path) { CGPathRelease (glyphPath); return _cairo_error(CAIRO_STATUS_NO_MEMORY); } CGPathApply (glyphPath, path, _cairo_quartz_path_apply_func); CGPathRelease (glyphPath); _cairo_scaled_glyph_set_path (scaled_glyph, &font->base, path); return CAIRO_STATUS_SUCCESS; }
//----------------------------------------------------------------------------------- static void DoTheTracking(EventRef inEvent, MTViewData* data) { MouseTrackingResult mouseResult; ControlPartCode part; Point qdPt; HIPoint where; // Extract the mouse location (local coordinates!) GetEventParameter(inEvent, kEventParamMouseLocation, typeHIPoint, NULL, sizeof(HIPoint), NULL, &where); CGAffineTransform m = CGAffineTransformIdentity; // Reset the path if (data->thePath != NULL) CGPathRelease(data->thePath); data->thePath = CGPathCreateMutable(); #if CG_COORDINATES where.y = FlipHIViewYCoordinate(data->theView, where.y); #endif CGPathMoveToPoint(data->thePath, &m, where.x, where.y); // fprintf(stderr, "StartPt: (%g, %g\n", where.x, where.y); while (true) { // Watch the mouse for change: qdPt comes back in global coordinates! TrackMouseLocation((GrafPtr)(-1), &qdPt, &mouseResult); // Bail out when the mouse is released if ( mouseResult == kMouseTrackingMouseReleased ) { HIViewSetNeedsDisplay(data->theView, true); break; } // Need to convert from global where = QDGlobalToHIViewLocal(qdPt, data->theView); #if CG_COORDINATES where.y = FlipHIViewYCoordinate(data->theView, where.y); #endif CGPathAddLineToPoint(data->thePath, &m, where.x, where.y); // fprintf(stderr, "TrackPt: (%g, %g\n", where.x, where.y); part = 0; SetEventParameter(inEvent, kEventParamControlPart, typeControlPartCode, sizeof(ControlPartCode), &part); HIViewSetNeedsDisplay(data->theView, true); } // Send back the part upon which the mouse was released part = kControlEntireControl; SetEventParameter(inEvent, kEventParamControlPart, typeControlPartCode, sizeof(ControlPartCode), &part); }
static cairo_int_status_t _cairo_quartz_init_glyph_path (cairo_quartz_scaled_font_t *font, cairo_scaled_glyph_t *scaled_glyph) { cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font); CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph); CGAffineTransform textMatrix; CGPathRef glyphPath; cairo_path_fixed_t *path; if (glyph == INVALID_GLYPH) { _cairo_scaled_glyph_set_path (scaled_glyph, &font->base, _cairo_path_fixed_create()); return CAIRO_STATUS_SUCCESS; } textMatrix = CGAffineTransformMake (font->base.scale.xx, -font->base.scale.yx, -font->base.scale.xy, font->base.scale.yy, font->base.scale.x0, font->base.scale.y0); textMatrix = CGAffineTransformConcat (textMatrix, CGAffineTransformMake (1.0, 0.0, 0.0, -1.0, 0.0, 0.0)); glyphPath = CGFontGetGlyphPathPtr (font_face->cgFont, &textMatrix, 0, glyph); if (!glyphPath) return CAIRO_INT_STATUS_UNSUPPORTED; path = _cairo_path_fixed_create (); if (!path) { CGPathRelease (glyphPath); return _cairo_error(CAIRO_STATUS_NO_MEMORY); } CGPathApply (glyphPath, path, _cairo_quartz_path_apply_func); CGPathRelease (glyphPath); _cairo_scaled_glyph_set_path (scaled_glyph, &font->base, path); return CAIRO_STATUS_SUCCESS; }
bool Path::contains(const FloatPoint &point, WindRule rule) const { if (!boundingRect().contains(point)) return false; // CGPathContainsPoint returns false for non-closed paths, as a work-around, we copy and close the path first. Radar 4758998 asks for a better CG API to use CGMutablePathRef path = copyCGPathClosingSubpaths(m_path); bool ret = CGPathContainsPoint(path, 0, point, rule == RULE_EVENODD ? true : false); CGPathRelease(path); return ret; }
void Path::transform(const AffineTransform& transform) { if (transform.isIdentity() || isEmpty()) return; CGMutablePathRef path = CGPathCreateMutable(); CGAffineTransform transformCG = transform; CGPathAddPath(path, &transformCG, m_path); CGPathRelease(m_path); m_path = path; }
DRAW_TEST_F(CGContextFlush, FillFlush, WhiteBackgroundTest<>) { CGContextRef context = GetDrawingContext(); CGRect bounds = GetDrawingBounds(); _CGContextPushBeginDraw(context); CGContextSetRGBFillColor(context, 1, 0, 0, 1); CGContextFillRect(context, bounds); // Flush the red fill rect CGContextFlush(context); CGContextSetRGBFillColor(context, 0, 0, 1, 1); CGContextFillRect(context, CGRectMake(0, 0, 300, 300)); // We should still have red & blue rectangle should not show up. unsigned char* dataPtr = static_cast<unsigned char*>(CGBitmapContextGetData(context)); ASSERT_NE(dataPtr, nullptr); // Validate only the red fill rect is executed. EXPECT_EQ(dataPtr[0], 0x00); EXPECT_EQ(dataPtr[1], 0x00); EXPECT_EQ(dataPtr[2], 0xff); EXPECT_EQ(dataPtr[3], 0xff); CGContextFlush(context); // We should now see the blue fill rect EXPECT_EQ(dataPtr[0], 0xff); EXPECT_EQ(dataPtr[1], 0x00); EXPECT_EQ(dataPtr[2], 0x00); EXPECT_EQ(dataPtr[3], 0xff); // Add some extra drawings CGContextClearRect(context, CGRectMake(100, 100, 200, 300)); CGPoint center = _CGRectGetCenter(bounds); CGMutablePathRef concentricCirclesPath = CGPathCreateMutable(); CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 50, 50 }, center)); CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 100, 100 }, center)); CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 150, 150 }, center)); CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 200, 200 }, center)); CGContextSetRGBFillColor(context, 1.0, 0.0, 0.0, 0.5); CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0); CGContextAddPath(context, concentricCirclesPath); CGContextDrawPath(context, kCGPathFillStroke); CGPathRelease(concentricCirclesPath); _CGContextPopEndDraw(context); }
TemporaryRef<Path> ScaledFontMac::GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget) { if (aTarget->GetType() == BackendType::COREGRAPHICS || aTarget->GetType() == BackendType::COREGRAPHICS_ACCELERATED) { CGMutablePathRef path = CGPathCreateMutable(); for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) { // XXX: we could probably fold both of these transforms together to avoid extra work CGAffineTransform flip = CGAffineTransformMakeScale(1, -1); CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex); CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize, aBuffer.mGlyphs[i].mPosition.x, aBuffer.mGlyphs[i].mPosition.y); CGPathAddPath(path, &matrix, glyphPath); CGPathRelease(glyphPath); } TemporaryRef<Path> ret = new PathCG(path, FillRule::FILL_WINDING); CGPathRelease(path); return ret; } return ScaledFontBase::GetPathForGlyphs(aBuffer, aTarget); }
void doRotatedEllipsesWithCGPath(CGContextRef context) { int i, totreps = 144.; CGMutablePathRef path = NULL; float tint = 1., tintIncrement = 1./totreps; // Create a new transform consisting of a 45 degree rotation. CGAffineTransform theTransform = CGAffineTransformMakeRotation(M_PI/4); // Apply a scaling transformation to the transform just created. theTransform = CGAffineTransformScale(theTransform, 1, 2); // Create a mutable CGPath object. path = CGPathCreateMutable(); if(!path){ fprintf(stderr, "Couldn't create path!\n"); return; } // Add a circular arc to the CGPath object, transformed // by an affine transform. CGPathAddArc(path, &theTransform, 0., 0., 45., 0., 2*M_PI, false); // Close the CGPath object. CGPathCloseSubpath(path); // Place the first ellipse at a good location. CGContextTranslateCTM(context, 100., 100.); for (i = 0 ; i < totreps ; i++){ CGContextBeginPath(context); // Add the CGPath object to the current path in the context. CGContextAddPath(context, path); // Set the fill color for this instance of the ellipse. CGContextSetRGBFillColor(context, tint, 0., 0., 1.); // Filling the path implicitly closes it. CGContextFillPath(context); // Compute the next tint color. tint -= tintIncrement; // Move over for the next ellipse. CGContextTranslateCTM(context, 1, 0.); } // Release the path when done with it. CGPathRelease(path); }
void ScaledFontMac::CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, BackendType aBackendType, const Matrix *aTransformHint) { if (!(aBackendType == BackendType::COREGRAPHICS || aBackendType == BackendType::COREGRAPHICS_ACCELERATED)) { ScaledFontBase::CopyGlyphsToBuilder(aBuffer, aBuilder, aBackendType, aTransformHint); return; } PathBuilderCG *pathBuilderCG = static_cast<PathBuilderCG*>(aBuilder); // XXX: check builder type for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) { // XXX: we could probably fold both of these transforms together to avoid extra work CGAffineTransform flip = CGAffineTransformMakeScale(1, -1); CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex); CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize, aBuffer.mGlyphs[i].mPosition.x, aBuffer.mGlyphs[i].mPosition.y); CGPathAddPath(pathBuilderCG->mCGPath, &matrix, glyphPath); CGPathRelease(glyphPath); } }
CGContextRef BitLockerSkia::cgContext() { SkDevice* device = m_canvas->getDevice(); ASSERT(device); if (!device) return 0; releaseIfNeeded(); const SkBitmap& bitmap = device->accessBitmap(true); bitmap.lockPixels(); void* pixels = bitmap.getPixels(); m_cgContext = CGBitmapContextCreate(pixels, device->width(), device->height(), 8, bitmap.rowBytes(), CGColorSpaceCreateDeviceRGB(), kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); // Apply device matrix. CGAffineTransform contentsTransform = CGAffineTransformMakeScale(1, -1); contentsTransform = CGAffineTransformTranslate(contentsTransform, 0, -device->height()); CGContextConcatCTM(m_cgContext, contentsTransform); // Apply clip in device coordinates. CGMutablePathRef clipPath = CGPathCreateMutable(); SkRegion::Iterator iter(m_canvas->getTotalClip()); for (; !iter.done(); iter.next()) { IntRect rect = iter.rect(); CGPathAddRect(clipPath, 0, rect); } CGContextAddPath(m_cgContext, clipPath); CGContextClip(m_cgContext); CGPathRelease(clipPath); // Apply content matrix. const SkMatrix& skMatrix = m_canvas->getTotalMatrix(); CGAffineTransform affine = SkMatrixToCGAffineTransform(skMatrix); CGContextConcatCTM(m_cgContext, affine); return m_cgContext; }
PathBuilderCG::~PathBuilderCG() { CGPathRelease(mCGPath); }
Path::~Path() { if (m_path) CGPathRelease(m_path); }
void Path::clear() { CGPathRelease(m_path); m_path = CGPathCreateMutable(); }
/* Handle events of kEventClassControl that get sent to the Frame */ OSStatus HandleStarFrameControlEvents( EventHandlerCallRef inCallRef, EventRef inEvent, StarFrameData* frameData) { OSStatus retVal = eventNotHandledErr; switch(GetEventKind(inEvent)) { case kEventControlInitialize : retVal = HandleStarFrameInitialize(inCallRef, inEvent, frameData); break; case kEventControlOwningWindowChanged : { // We only want the star-shaped opaque area of our frame view to // draw. Everything else should be transparent. To accomplish that // we change the features of the owning window so that only the // content we draw shows up on screen WindowRef newWindow = GetControlOwner(frameData->hiSelf); HIWindowChangeFeatures(newWindow, 0, kWindowIsOpaque); } break; case kEventControlBoundsChanged : { retVal = HandleStarFrameBoundsChanged(inCallRef, inEvent, frameData); } break; case kEventControlDraw : { HIRect bounds; CGContextRef cgContext; HIViewGetBounds(frameData->hiSelf, &bounds); float radius = fmin(CGRectGetWidth(bounds) / 2.0, CGRectGetHeight(bounds) / 2.0); GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(cgContext), NULL, &cgContext ); if(NULL != cgContext) { HIThemeMenuDrawInfo drawInfo; CGPathRef starPath = CreatePathForStarFrame(frameData, radius); drawInfo.version = 0; drawInfo.menuType = frameData->menuType; // HIThemeDrawMenuBackground is designed to draw the pin striped background // of standard menus. Our menu is a star and so HIThemeDrawMenuBackground may not be // appropriate in this case. Nevertheless, we'll draw the standard menu background for // this menu and clip it to a star. CGContextClearRect(cgContext, bounds); CGContextSaveGState(cgContext); CGContextTranslateCTM(cgContext, radius, radius); CGContextAddPath(cgContext, starPath); CGContextClip(cgContext); CGContextTranslateCTM(cgContext, -radius, -radius); HIThemeDrawMenuBackground(&bounds, &drawInfo, cgContext, kHIThemeOrientationNormal); CGContextRestoreGState(cgContext); // The pin striping looks a bit odd sort of floating out by itself. We'll also add // a lovely gray line to help emphasize the boundary CGContextTranslateCTM(cgContext, radius, radius); CGContextAddPath(cgContext, starPath); CGContextSetRGBStrokeColor(cgContext, 0.8, 0.8, 0.8, 1.0); CGContextSetLineWidth(cgContext, 1.0); CGContextStrokePath(cgContext); CGPathRelease(starPath); starPath = NULL; } retVal = noErr; } break; // Mac OS X v10.4 introduced a Window Manager bug. // The workaround is to implement the kEventControlGetFrameMetrics handler. // Even after the bug is fixed, the workaround will not be harmful. case kEventControlGetFrameMetrics: { HIViewRef contentView = NULL; // If we can find our content view, ask it for our metrics verify_noerr(HIViewFindByID(frameData->hiSelf, kHIViewWindowContentID, &contentView)); if(NULL != contentView) { retVal = SendEventToEventTargetWithOptions( inEvent, GetControlEventTarget( contentView ), kEventTargetDontPropagate ); } } break; default: break; } return retVal; }
Path::~Path() { CGPathRelease(m_path); }