我在:
IMG_5962.PNG
先貼一段遮罩頁面代碼:
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Monaco; color: #fcfb3f}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Monaco; color: #fcfb3f; min-height: 21.0px}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Monaco; color: #00b1ff}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Monaco; color: #4bd157}span.s1 {font-variant-ligatures: no-common-ligatures; color: #c73ddc}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #ff4000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #00b1ff}span.s5 {font-variant-ligatures: no-common-ligatures; color: #08fa95}span.s6 {font-variant-ligatures: no-common-ligatures; color: #fcfb3f}span.s7 {font-variant-ligatures: no-common-ligatures; color: #4bd157}
import UIKit
class MaskLayerView: UIView {
var _maskRect: CGRect?{
didSet{
self.setNeedsDisplay()
}
}
override func drawRect(rect: CGRect) {
super.drawRect(rect)
if _maskRect == nil{
return
}
let context = UIGraphicsGetCurrentContext()
CGContextClip(context);
CGContextClearRect(context,_maskRect!);
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
override func drawRect(rect: CGRect) {
// Drawing code
}
*/
}
