2014/10/15 下午 10:05:01

iphone Programming Glossary: cgcontextfillpath

http://stackoverflow.com/questions/1021801/cgpathref-intersection

context path1 CGContextClip context set fill colour to intersection colour CGContextAddPath context path2 CGContextFillPath context search for pixels that match intersection colour This works because clipping intersecting. Don't forget that intersection..

How is a rounded rect view with transparency done on iphone?

http://stackoverflow.com/questions/1031930/how-is-a-rounded-rect-view-with-transparency-done-on-iphone

radius rect.origin.y CGContextAddArc context rect.origin.x radius rect.origin.y radius radius M_PI 2 M_PI 1 CGContextFillPath context Note rect in this code should be taken from self bounds or whatever location you want it in it won't make sense..

Animating a shape with CoreAnimation

http://stackoverflow.com/questions/1767401/animating-a-shape-with-coreanimation

300.0f CGPathCloseSubpath path CGContextSetFillColorWithColor ctx UIColor blueColor .CGColor CGContextAddPath ctx path CGContextFillPath ctx Drawing a line from control points 1 and 2 CGContextBeginPath ctx CGContextSetRGBStrokeColor ctx 1 0 0 1 CGMutablePathRef..

Drawing incrementally in a UIView (iPhone)

http://stackoverflow.com/questions/1798414/drawing-incrementally-in-a-uiview-iphone

drop.point.x drop.size 2 drop.point.y drop.size 2 drop.size drop.size CGContextSetRGBFillColor context 0.5 0.0 0.0 0.8 CGContextFillPath context Which means I have to store all my Dots that's fine and re draw them all one by one every time I want to add a new.. drop.dropSize 2 drop.point.y drop.dropSize 2 drop.dropSize drop.dropSize CGContextSetRGBFillColor ctx 0.5 0.0 0.0 1.0 CGContextFillPath ctx cachedImage release cachedImage UIGraphicsGetImageFromCurrentImageContext retain UIGraphicsEndImageContext draw on the.. 2 drop.dropSize drop.dropSize CGContextAddPath context dotsPath CGContextSetRGBFillColor context 0.5 0.0 0.0 1.0 CGContextFillPath context Thanks everyone iphone objective c performance uiview drawing share improve this question If you are only actually..

Are there any standard way to implement the “blue badge” in iPhone?

http://stackoverflow.com/questions/258375/are-there-any-standard-way-to-implement-the-blue-badge-in-iphone

M_PI 2 NO CGContextAddArc context bounds.size.width radius radius radius 3 M_PI 2 M_PI 2 NO CGContextClosePath context CGContextFillPath context UIColor whiteColor set UIFont font UIFont boldSystemFontOfSize 14 CGSize numberSize countString sizeWithFont font..

CGContext line drawing: CGContextFillPath not working?

http://stackoverflow.com/questions/3808984/cgcontext-line-drawing-cgcontextfillpath-not-working

line drawing CGContextFillPath not working Anyone have any idea why CGContextFillPath won't work in the code snippet below I'm using the following code.. line drawing CGContextFillPath not working Anyone have any idea why CGContextFillPath won't work in the code snippet below I'm using the following code to draw to a UIImageView. It's stroking the path correctly.. snippet below I'm using the following code to draw to a UIImageView. It's stroking the path correctly but ignoring CGContextFillPath. UIGraphicsBeginImageContext self.frame.size drawingView.image drawInRect CGRectMake 0 0 self.frame.size.width self.frame.size.height..

How to customize the background/border colors of a grouped table view cell?

http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell

we fill and stroke a rounded rect taking the entire rect CGContextBeginPath c addRoundedRectToPath c rect 10.0f 10.0f CGContextFillPath c CGContextSetLineWidth c 1 CGContextBeginPath c addRoundedRectToPath c rect 10.0f 10.0f CGContextStrokePath c void dealloc..

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

radians 0 radians 360 0 CGContextClosePath ctx Filling it CGContextSetFillColorWithColor ctx self.tint.CGColor CGContextFillPath ctx I want the radius to be animatable so I've implemented BOOL needsDisplayForKey NSString key if key isEqualToString @..

Inner shadow effect on UIView layer?

http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer

visiblePath Fill this path UIColor aColor UIColor redColor aColor setFill CGContextAddPath context visiblePath CGContextFillPath context Now create a larger rectangle which we're going to subtract the visible path from and apply a shadow CGMutablePathRef..

How to draw a triangle programmatically

http://stackoverflow.com/questions/6697614/how-to-draw-a-triangle-programmatically

How to draw signature with lines on iPhone screen?

http://stackoverflow.com/questions/679983/how-to-draw-signature-with-lines-on-iphone-screen

CGContextBeginPath ctx CGContextSetRGBFillColor ctx 1 0 0 1 CGContextAddRect ctx CGRectMake 0 0 5 5 CGContextFillPath ctx UIImage redRect UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext UIImageView redRectView UIImageView..

How to draw an oval speech bubble programmatically on iPhone?

http://stackoverflow.com/questions/7509348/how-to-draw-an-oval-speech-bubble-programmatically-on-iphone

ctx 8.0 40.0 CGContextAddLineToPoint ctx 6.0 50.0 CGContextAddLineToPoint ctx 18.0 45.0 CGContextClosePath ctx CGContextFillPath ctx Produces this in the iPhone simulator when added against a gray backdrop This second code example will almost duplicate.. self.bounds.size.height 0.80f CGContextAddLineToPoint ctx 20.0 self.bounds.size.height 0.70f CGContextClosePath ctx CGContextFillPath ctx CGContextBeginPath ctx CGContextMoveToPoint ctx self.bounds.size.width 0.10 self.bounds.size.width 0.48f CGContextAddLineToPoint..

Draw glow around inside edge of multiple CGPaths

http://stackoverflow.com/questions/8480401/draw-glow-around-inside-edge-of-multiple-cgpaths

Fill each path into the mask. for UIBezierPath path in paths CGContextBeginPath gc CGContextAddPath gc path.CGPath CGContextFillPath gc Turn the bitmap context into a UIImage. CGImageRef cgImage CGBitmapContextCreateImage gc CGContextRelease gc UIImage..