2014/10/15 下午 10:05:04

iphone Programming Glossary: cgpathcreatemutable

What is the best way to make a bouncing ball animation with infinite loop on iPhone?

http://stackoverflow.com/questions/1052878/what-is-the-best-way-to-make-a-bouncing-ball-animation-with-infinite-loop-on-iph

animationWithKeyPath @ scale animation.removedOnCompletion NO Create the path for the bounces CGMutablePathRef thePath CGPathCreateMutable Start the path at my current location CGPathMoveToPoint thePath NULL bird.center.x bird.center.y CGPathAddLineToPoint thePath.. bird.center.x bird.center.y CGPathAddLineToPoint thePath NULL 20 500.0 very cool path system. CGMutablePathRef thePath CGPathCreateMutable CGPathMoveToPoint thePath NULL 74.0 74.0 CGPathAddCurveToPoint thePath NULL 74.0 500.0 320.0 500.0 320.0 74.0 CGPathAddCurveToPoint..

Animating the drawing of a line

http://stackoverflow.com/questions/10603391/animating-the-drawing-of-a-line

drawing of a line by the following way .h CAShapeLayer rootLayer CAShapeLayer lineLayer CGMutablePathRef path .m path CGPathCreateMutable CGPathMoveToPoint path nil self.frame.size.width 2 100 260 CGPathAddLineToPoint path nil self.frame.size.width 2 100.0 260..

How can I animate the movement of a view or image along a curved path?

http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path

30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL endPoint.x viewOrigin.y..

Animating a shape with CoreAnimation

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

float cp2y 120.0f CGContextRef ctx UIGraphicsGetCurrentContext CGContextClearRect ctx rect CGMutablePathRef path CGPathCreateMutable CGPathMoveToPoint path NULL 10.0f 200.0f CGPathAddCurveToPoint path NULL cp1x cp1y cp2x cp2y 300.0f 200.0f CGPathAddLineToPoint.. a line from control points 1 and 2 CGContextBeginPath ctx CGContextSetRGBStrokeColor ctx 1 0 0 1 CGMutablePathRef cp1 CGPathCreateMutable CGPathMoveToPoint cp1 NULL cp1x cp1y CGPathAddLineToPoint cp1 NULL cp2x cp2y CGPathCloseSubpath cp1 CGContextAddPath ctx..

How do I translate parabolically?

http://stackoverflow.com/questions/1886158/how-do-i-translate-parabolically

pathAnimation.removedOnCompletion NO CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL endPoint.x viewOrigin.y..

Resize and move a UIView with Core Animation (CAKeyFrameAnimation)

http://stackoverflow.com/questions/1887156/resize-and-move-a-uiview-with-core-animation-cakeyframeanimation

to change the size or origin it doesn't work. CAAnimationGroup anigroup CAAnimationGroup new CGMutablePathRef thePath CGPathCreateMutable CGPathAddRect thePath NULL CGRectMake 0 0 320 480 CGPathAddRect thePath NULL CGRectMake location.x 16 location.y 24 32 48..

Rounded Corners on UIImage

http://stackoverflow.com/questions/205431/rounded-corners-on-uiimage

maskedContextRef UIGraphicsGetCurrentContext CGContextSaveGState maskedContextRef CGMutablePathRef borderPath CGPathCreateMutable CGPathAddArc borderPath NULL CGRectGetMinX interiorRect CGRectGetMinY interiorRect radius PNDegreeToRadian 180 PNDegreeToRadian..

iPhone clip image with path

http://stackoverflow.com/questions/2570653/iphone-clip-image-with-path

context in my case. void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGMutablePathRef path CGPathCreateMutable or for e.g. CGPathAddRect path NULL CGRectInset self bounds 10 20 CGPathAddEllipseInRect path NULL self bounds CGContextAddPath..

Is it possible to successful animate a moving UIButton?

http://stackoverflow.com/questions/3568868/is-it-possible-to-successful-animate-a-moving-uibutton

Animation with the help of some sample code the path isn't important it's just an example CGMutablePathRef thePath CGPathCreateMutable CGPathMoveToPoint thePath NULL 15.0f 15.f CGPathAddCurveToPoint thePath NULL 15.f 250.0f 295.0f 250.0f 295.0f 15.0f CAKeyframeAnimation..

UIView shake animation

http://stackoverflow.com/questions/3844557/uiview-shake-animation

shakeAnimation CAKeyframeAnimation animation CGRect frame lockView.frame CGMutablePathRef shakePath CGPathCreateMutable CGPathMoveToPoint shakePath NULL CGRectGetMinX frame CGRectGetMinY frame for int index 0 index numberOfShakes index CGPathAddLineToPoint..

Inner shadow effect on UIView layer?

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

inner shadow In this case it's just a rounded rect but could be as complex as your want CGMutablePathRef visiblePath CGPathCreateMutable CGRect innerRect CGRectInset bounds radius radius CGPathMoveToPoint visiblePath NULL innerRect.origin.x bounds.origin.y.. create a larger rectangle which we're going to subtract the visible path from and apply a shadow CGMutablePathRef path CGPathCreateMutable when drawing the shadow for a path whichs bounding box is not known pass CGPathGetPathBoundingBox visiblePath instead of..

Why is UIBezierPath faster than Core Graphics path?

http://stackoverflow.com/questions/6327817/why-is-uibezierpath-faster-than-core-graphics-path

rect CGContextRef ctx UIGraphicsGetCurrentContext Create the two paths cgpath and uipath. CGMutablePathRef cgpath CGPathCreateMutable CGPathMoveToPoint cgpath NULL 0 100 UIBezierPath uipath UIBezierPath alloc init uipath moveToPoint CGPointMake 0 200 Add.. rect CGContextRef ctx UIGraphicsGetCurrentContext Create the two paths cgpath and uipath. CGMutablePathRef cgpath CGPathCreateMutable CGPathMoveToPoint cgpath NULL 0 100 UIBezierPath uipath UIBezierPath alloc init uipath moveToPoint CGPointMake 0 200 Add..

Memory usage grows with CTFontCreateWithName and CTFramesetterRef

http://stackoverflow.com/questions/8491841/memory-usage-grows-with-ctfontcreatewithname-and-ctframesetterref

font CFAttributedStringEndEditing attributedStringRef retain count of the font 2 CGMutablePathRef path CGPathCreateMutable CGPathAddRect path NULL rect CFRelease font retain count of the font 1 CTFramesetterRef frameSetter CTFramesetterCreateWithAttributedString..

Move a UIImageView

http://stackoverflow.com/questions/862084/move-a-uiimageview

pathAnimation.fillMode kCAFillModeForwards pathAnimation.removedOnCompletion NO CGMutablePathRef pointPath CGPathCreateMutable CGPathMoveToPoint pointPath NULL viewOrigin.x viewOrigin.y CGPathAddLineToPoint pointPath NULL point1.x point1.y CGPathAddLineToPoint..

iPhone, Map, Clickable non-rectangular areas

http://stackoverflow.com/questions/870631/iphone-map-clickable-non-rectangular-areas

this question How are these regions defined If you can get the point data then create a CGPath using CGPathRef path CGPathCreateMutable CGPathMoveToPoint path null xpoints 0 ypoints 0 for int i 1 i numpoints i CGPathAddLineToPoint path null xpoints i ypoints..