2014/10/15 下午 10:04:34

iphone Programming Glossary: bezierpoints

Getting a list of points from a UIBezierPath

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

try this UIBezierPath yourPath Assume this has some points in it CGPath yourCGPath yourPath.CGPath NSMutableArray bezierPoints NSMutableArray array CGPathApply yourCGPath bezierPoints MyCGPathApplierFunc The path applier function will be handed each.. points in it CGPath yourCGPath yourPath.CGPath NSMutableArray bezierPoints NSMutableArray array CGPathApply yourCGPath bezierPoints MyCGPathApplierFunc The path applier function will be handed each of the path's path elements in turn. Check out CGPathApplierFunction.. function might look something like this void MyCGPathApplierFunc void info const CGPathElement element NSMutableArray bezierPoints NSMutableArray info CGPoint points element points CGPathElementType type element type switch type case kCGPathElementMoveToPoint..

Drawing Smooth Curves - Methods Needed

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

Smoothing Get points from Bezier Curve void getPointsFromBezier void info const CGPathElement element NSMutableArray bezierPoints __bridge NSMutableArray info Retrieve the path element type and its points CGPathElementType type element type CGPoint points.. type CGPoint points element points Add the points if they're available per type if type kCGPathElementCloseSubpath bezierPoints addObject VALUE 0 if type kCGPathElementAddLineToPoint type kCGPathElementMoveToPoint bezierPoints addObject VALUE 1 .. bezierPoints addObject VALUE 0 if type kCGPathElementAddLineToPoint type kCGPathElementMoveToPoint bezierPoints addObject VALUE 1 if type kCGPathElementAddCurveToPoint bezierPoints addObject VALUE 2 NSArray pointsFromBezierPath UIBezierPath..