我每个身体都是法国人,所以请原谅我的英语.我的问题是我想用手指在
iphone上绘制一个像———–这样的虚线图画,不是一条线而是一个平局.我有:
CGContextSetLineCap(UIGraphicsGetCurrentContext(),kCGLineCapRound); //kCGLineCapSquare,kCGLineCapButt,kCGLineCapRound CGContextSetLineWidth(UIGraphicsGetCurrentContext(),10.0); // for size CGContextSetRGBStrokeColor(UIGraphicsGetCurrentContext(),0.0,1.0,1.0); //values for R,G,B,and Alpha CGContextBeginPath(UIGraphicsGetCurrentContext()); CGContextMoveToPoint(UIGraphicsGetCurrentContext(),lastPoint.x,lastPoint.y); CGContextAddLineToPoint(UIGraphicsGetCurrentContext(),currentPoint.x,currentPoint.y); CGContextStrokePath(UIGraphicsGetCurrentContext()); drawImage.image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();
请点击“点”代码是什么.