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2014/10/15 ¤U¤È 10:05:00

iphone Programming Glossary: cgcontextaddarc

Rounded UIView using CALayers - only some corners - How?

http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how

of the corners. If you read the code you can see how I implemented this by deleting some of the CGContextAddArc calls and deleting some of the radius values in the code. The code for all corners is there so use that.. radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height radius CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI 4 M_PI 2 1 CGContextAddLineToPoint.. context rect.origin.x rect.size.width radius rect.origin.y rect.size.height CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f..

Round two corners in UIView

http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview

this int radius 5 CGContextRef context UIGraphicsGetCurrentContext CGContextBeginPath context CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 CGContextAddArc.. context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f.. context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx midy CGContextAddArcToPoint context minx miny midx miny radius_bl CGContextAddArcToPoint context maxx miny maxx midy radius_br..

Rounded UIView using CALayers - only some corners - How?

http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how

to hobble together this code. It's missing the code for two of the corners. If you read the code you can see how I implemented this by deleting some of the CGContextAddArc calls and deleting some of the radius values in the code. The code for all corners is there so use that as a starting point and delete the parts that create corners.. rounded CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height radius CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI 4 M_PI 2 1 CGContextAddLineToPoint context rect.origin.x rect.size.width radius.. rect.size.height radius radius M_PI 4 M_PI 2 1 CGContextAddLineToPoint context rect.origin.x rect.size.width radius rect.origin.y rect.size.height CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f 1 CGContextAddLineToPoint context rect.origin.x rect.size.width..

Round two corners in UIView

http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview

void drawRect CGRect rect super drawRect rect Should I uncomment this int radius 5 CGContextRef context UIGraphicsGetCurrentContext CGContextBeginPath context CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y.. UIGraphicsGetCurrentContext CGContextBeginPath context CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f 1 CGContextClosePath context CGContextClip context The method.. context CGContextDrawPath context kCGPathFill CGContextSetGrayFillColor context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx midy CGContextAddArcToPoint context minx miny midx miny radius_bl CGContextAddArcToPoint context maxx miny maxx midy radius_br CGContextAddArcToPoint context maxx maxy midx maxy radius_tr..

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

rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height radius CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 STS fixed CGContextAddLineToPoint.. 2 1 STS fixed CGContextAddLineToPoint context rect.origin.x rect.size.width radius rect.origin.y rect.size.height CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f 1 CGContextAddLineToPoint.. radius radius M_PI 2 0.0f 1 CGContextAddLineToPoint context rect.origin.x rect.size.width rect.origin.y radius CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y radius radius 0.0f M_PI 2 1 CGContextAddLineToPoint context..

Rounded UIView using CALayers - only some corners - How?

http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how

the code for two of the corners. If you read the code you can see how I implemented this by deleting some of the CGContextAddArc calls and deleting some of the radius values in the code. The code for all corners is there so use that as a starting point.. rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height radius CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI 4 M_PI 2 1 CGContextAddLineToPoint context.. M_PI 4 M_PI 2 1 CGContextAddLineToPoint context rect.origin.x rect.size.width radius rect.origin.y rect.size.height CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f 1 CGContextAddLineToPoint..

Draw part of a circle

http://stackoverflow.com/questions/3729690/draw-part-of-a-circle

can give me any pointers here. iphone objective c cocoa touch share improve this question Use the arc methods CGContextAddArc context centerX centerY radius startAngleRadians endAngleRadians clockwise 1 0 See the documentation for CGContextAddArc.. context centerX centerY radius startAngleRadians endAngleRadians clockwise 1 0 See the documentation for CGContextAddArc . Aside Does anyone know how to link directly to the docs for a function given Apple's annoying javascript laden documentation..

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

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 Filling it CGContextSetFillColorWithColor..

Just two rounded corners? [duplicate]

http://stackoverflow.com/questions/4845211/just-two-rounded-corners

context rect.origin.x rect.origin.y rect.size.height radius if cornerMask UIImageRoundedCornerTopLeft CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 else CGContextAddLineToPoint context.. rect.origin.x rect.size.width radius rect.origin.y rect.size.height if cornerMask UIImageRoundedCornerTopRight CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f 1 else CGContextAddLineToPoint.. context rect.origin.x rect.size.width rect.origin.y radius if cornerMask UIImageRoundedCornerBottomRight CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y radius radius 0.0f M_PI 2 1 else CGContextAddLineToPoint context..

Round two corners in UIView

http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview

rect Should I uncomment this int radius 5 CGContextRef context UIGraphicsGetCurrentContext CGContextBeginPath context CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 CGContextAddArc context rect.origin.x.. context CGContextAddArc context rect.origin.x radius rect.origin.y rect.size.height radius radius M_PI M_PI 2 1 CGContextAddArc context rect.origin.x rect.size.width radius rect.origin.y rect.size.height radius radius M_PI 2 0.0f 1 CGContextClosePath.. CGContextSetGrayFillColor context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx midy CGContextAddArcToPoint context minx miny midx miny radius_bl CGContextAddArcToPoint context maxx miny maxx midy radius_br CGContextAddArcToPoint..