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2014/10/15 ¤U¤È 10:15:42

iphone Programming Glossary: valuewithcgpoint

After Animation, View position resets

http://stackoverflow.com/questions/226555/after-animation-view-position-resets

animation CABasicAnimation animationWithKeyPath @ position animation setDelegate self animation.toValue NSValue valueWithCGPoint CGPointMake self.view.layer.position.x 0 self.view.bounds.size.height 2 animation.fromValue NSValue valueWithCGPoint self.view.layer.position.. valueWithCGPoint CGPointMake self.view.layer.position.x 0 self.view.bounds.size.height 2 animation.fromValue NSValue valueWithCGPoint self.view.layer.position animation.autoreverses NO animation.repeatCount 0 animation.duration 0.25 animation.timingFunction..

Getting a list of points from a UIBezierPath

http://stackoverflow.com/questions/3051760/getting-a-list-of-points-from-a-uibezierpath

type element type switch type case kCGPathElementMoveToPoint contains 1 point bezierPoints addObject NSValue valueWithCGPoint points 0 break case kCGPathElementAddLineToPoint contains 1 point bezierPoints addObject NSValue valueWithCGPoint points.. valueWithCGPoint points 0 break case kCGPathElementAddLineToPoint contains 1 point bezierPoints addObject NSValue valueWithCGPoint points 0 break case kCGPathElementAddQuadCurveToPoint contains 2 points bezierPoints addObject NSValue valueWithCGPoint.. points 0 break case kCGPathElementAddQuadCurveToPoint contains 2 points bezierPoints addObject NSValue valueWithCGPoint points 0 bezierPoints addObject NSValue valueWithCGPoint points 1 break case kCGPathElementAddCurveToPoint contains 3..

UIView shake animation

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

animation setDuration 0.05 animation setRepeatCount 8 animation setAutoreverses YES animation setFromValue NSValue valueWithCGPoint CGPointMake lockView center .x 20.0f lockView center .y animation setToValue NSValue valueWithCGPoint CGPointMake lockView.. NSValue valueWithCGPoint CGPointMake lockView center .x 20.0f lockView center .y animation setToValue NSValue valueWithCGPoint CGPointMake lockView center .x 20.0f lockView center .y lockView layer addAnimation animation forKey @ position You'll..

What's the best way to put a c-struct in an NSArray?

http://stackoverflow.com/questions/4516991/whats-the-best-way-to-put-a-c-struct-in-an-nsarray

Jarret Hardie here's how to store CGPoints and similar in an NSArray NSArray points NSArray arrayWithObjects NSValue valueWithCGPoint CGPointMake 6.9 6.9 NSValue valueWithCGPoint CGPointMake 6.9 6.9 nil see How can I add CGPoint objects to an NSArray the.. and similar in an NSArray NSArray points NSArray arrayWithObjects NSValue valueWithCGPoint CGPointMake 6.9 6.9 NSValue valueWithCGPoint CGPointMake 6.9 6.9 nil see How can I add CGPoint objects to an NSArray the easy way iphone objective c cocoa struct nsarray..

Drawing app on iPad using OpenGL

http://stackoverflow.com/questions/4606680/drawing-app-on-ipad-using-opengl

i 2 CGPointValue .x invertedYThirdCoord count int loc currentStroke count 1 currentStroke insertObject NSValue valueWithCGPoint newMidPoint atIndex loc currentStroke removeObjectAtIndex loc 1 That code will get the mid point based on inverted iPad.. NSMutableArray array CGPoint point touches anyObject locationInView self currentStroke addObject NSValue valueWithCGPoint point self draw void touchesMoved NSSet touches withEvent UIEvent event CGPoint point touches anyObject locationInView self.. touches withEvent UIEvent event CGPoint point touches anyObject locationInView self currentStroke addObject NSValue valueWithCGPoint point self draw void touchesEnded NSSet touches withEvent UIEvent event CGPoint point touches anyObject locationInView self..

Drawing Smooth Curves - Methods Needed

http://stackoverflow.com/questions/8702696/drawing-smooth-curves-methods-needed

my code for the UIBezierPath which left edges at intersection UPDATED TO AN ANSWER BELOW #define VALUE _INDEX_ NSValue valueWithCGPoint points _INDEX_ #define POINT _INDEX_ NSValue points objectAtIndex _INDEX_ CGPointValue UIBezierPath smoothedPathWithGranularity.. void info const CGPathElement element NSArray pointsFromBezierPath UIBezierPath bpath #define VALUE _INDEX_ NSValue valueWithCGPoint points _INDEX_ #define POINT _INDEX_ NSValue points objectAtIndex _INDEX_ CGPointValue @implementation UIBezierPath Smoothing..

How can I add CGPoint objects to an NSArray the easy way?

http://stackoverflow.com/questions/899600/how-can-i-add-cgpoint-objects-to-an-nsarray-the-easy-way

With UIKit Apple added support for CGPoint to NSValue so you can do NSArray points NSArray arrayWithObjects NSValue valueWithCGPoint CGPointMake 5.5 6.6 NSValue valueWithCGPoint CGPointMake 7.7 8.8 nil List as many NSValue instances as you have CGPoint.. NSValue so you can do NSArray points NSArray arrayWithObjects NSValue valueWithCGPoint CGPointMake 5.5 6.6 NSValue valueWithCGPoint CGPointMake 7.7 8.8 nil List as many NSValue instances as you have CGPoint and end the list in nil. All objects in this..