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2014/10/15 ¤U¤È 10:04:58
iphone Programming Glossary: centerpointhttp://stackoverflow.com/questions/3841642/curve-text-on-existing-circle CGContextSelectFont context fontName 18 kCGEncodingMacRoman CGContextSetRGBFillColor context 0 0 0 1 CGPoint centerPoint CGPointMake imageSize.size.width 2 imageSize.size.height 2 double radius frame.size.width 2 CGContextStrokeEllipseInRect.. 2 imageSize.size.height 2 double radius frame.size.width 2 CGContextStrokeEllipseInRect context CGRectMake centerPoint.x frame.size.width 2 centerPoint.y frame.size.height 2 frame.size.width frame.size.height for int index 0 index sections.. 2 double radius frame.size.width 2 CGContextStrokeEllipseInRect context CGRectMake centerPoint.x frame.size.width 2 centerPoint.y frame.size.height 2 frame.size.width frame.size.height for int index 0 index sections count index NSString menuItemText..
Why animating custom CALayer properties causes other properties to be nil during animation? http://stackoverflow.com/questions/4016496/why-animating-custom-calayer-properties-causes-other-properties-to-be-nil-during method. void drawInContext CGContextRef ctx NSLog @ Drawing layer tint is @ radius is @ self.tint self.radius CGPoint centerPoint CGPointMake CGRectGetWidth self.bounds 2 CGRectGetHeight self.bounds 2 CGContextMoveToPoint ctx centerPoint.x centerPoint.y.. CGPoint centerPoint CGPointMake CGRectGetWidth self.bounds 2 CGRectGetHeight self.bounds 2 CGContextMoveToPoint ctx centerPoint.x centerPoint.y CGContextAddArc ctx centerPoint.x centerPoint.y self.radius doubleValue radians 0 radians 360 0 CGContextClosePath.. CGPointMake CGRectGetWidth self.bounds 2 CGRectGetHeight self.bounds 2 CGContextMoveToPoint ctx centerPoint.x centerPoint.y CGContextAddArc ctx centerPoint.x centerPoint.y self.radius doubleValue radians 0 radians 360 0 CGContextClosePath ctx..
Animate a custom property using CoreAnimation in Monotouch? http://stackoverflow.com/questions/9544591/animate-a-custom-property-using-coreanimation-in-monotouch override void DrawInContext CGContext context base.DrawInContext context Console.WriteLine drawing........... PointF centerPoint new PointF 125 125 this.Frame.Width 2 this.Frame.Height 2 Outer circle context.AddEllipseInRect new RectangleF centerPoint.X.. new PointF 125 125 this.Frame.Width 2 this.Frame.Height 2 Outer circle context.AddEllipseInRect new RectangleF centerPoint.X Radius centerPoint.Y Radius Radius 2 Radius 2 Inner circle context.AddEllipseInRect new RectangleF centerPoint.X.. this.Frame.Width 2 this.Frame.Height 2 Outer circle context.AddEllipseInRect new RectangleF centerPoint.X Radius centerPoint.Y Radius Radius 2 Radius 2 Inner circle context.AddEllipseInRect new RectangleF centerPoint.X InnerRadius centerPoint.Y..
UIPinchGestureRecognizer for zooming and panning an image in xcode http://stackoverflow.com/questions/9954582/uipinchgesturerecognizer-for-zooming-and-panning-an-image-in-xcode CGSizeApplyAffineTransform imgScrollView.frame.size UIPinchGestureRecognizer sender view .transform CGPoint centerPoint CGPointApplyAffineTransform imgScrollView.frame.origin UIPinchGestureRecognizer sender view .transform CGRect r imgScrollView.bounds.. CGSize scrollViewSize imgScrollView.frame.size imgScrollView.contentSize zoomViewSize imgScrollView.contentOffset centerPoint CGFloat currentScale UIPinchGestureRecognizer sender view .layer valueForKeyPath @ transform.scale floatValue CGFloat scale..
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