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2014/10/15 ¤U¤È 10:04:34
iphone Programming Glossary: bezierpathHow to crop the image using UIBezierPath? http://stackoverflow.com/questions/13153223/how-to-crop-the-image-using-uibezierpath path image Please help me. Thanks in advance. This code used for draw the bezierpath. UIBezierPath aPath UIBezierPath bezierPath for NSString pointString in pointArray if pointArray indexOfObject pointString 0 aPath moveToPoint CGPointFromString pointString.. share improve this question You can use a shapeLayer for that. Something like UIBezierPath aPath UIBezierPath bezierPath for NSString pointString in pointArray if pointArray indexOfObject pointString 0 aPath moveToPoint CGPointFromString pointString..
Drag UIView around Shape Comprised of CGMutablePaths http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths nil circleLayer.strokeColor UIColor redColor .CGColor circleLayer.lineWidth 2 circleLayer.path UIBezierPath bezierPathWithOvalInRect CGRectInset rect circleLayer.lineWidth circleLayer.lineWidth .CGPath circleLayer.frame rect handleView_ UIView.. CGRectGetMidY bounds offset CGPoint const bottomCenter topCenter.x CGRectGetMidY bounds offset path_ UIBezierPath bezierPath path_ addArcWithCenter topCenter radius radius startAngle M_PI_4 endAngle M_PI M_PI_4 clockwise NO path_ addArcWithCenter.. CGPathCreateCopyByDashingPath path_.CGPath NULL 0 CGFloat 1.0f 1.0f 2 UIBezierPath dashedPath UIBezierPath bezierPathWithCGPath cgDashedPath CGPathRelease cgDashedPath It turns out that when Core Graphics dashes the path it can create segments..
How To Draw line on touch event? http://stackoverflow.com/questions/4669490/how-to-draw-line-on-touch-event methods roughly like this void touchesBegan NSSet touches withEvent UIEvent event self.currentPath UIBezierPath bezierPath currentPath.lineWidth 3.0 currentPath moveToPoint touch locationInView self paths addObject self.currentPath void touchesMoved..
Drawing bezier curves with my finger in iOS? http://stackoverflow.com/questions/4672646/drawing-bezier-curves-with-my-finger-in-ios newPath retain tmp release state BezierStateNone self setNeedsDisplay void _updateCurve UIBezierPath path UIBezierPath bezierPath path moveToPoint startPt path addCurveToPoint endPt controlPoint1 cPt1 controlPoint2 cPt2 void _calcDefaultControls if ABS..
Drawing Smooth Curves - Methods Needed http://stackoverflow.com/questions/8702696/drawing-smooth-curves-methods-needed granularity NSMutableArray points NSMutableArray self pointsOrdered mutableCopy if points.count 4 return self bezierPath Add control points to make the math make sense points insertObject points objectAtIndex 0 atIndex 0 points addObject points.. points insertObject points objectAtIndex 0 atIndex 0 points addObject points lastObject UIBezierPath smoothedPath self bezierPath smoothedPath removeAllPoints smoothedPath moveToPoint POINT 0 for NSUInteger index 1 index points.count 2 index CGPoint.. count self mutableSetValueForKey @ points addObject newPoint NSMutableArray self pointsOrdered addObject newPoint self bezierPath addLineToPoint CGPoint return newPoint autorelease if self bezierPath pointsOrdered count 3 PVPoint control1 pointsOrdered..
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