我有一个批处理文件，在单击import UIKit
func degreesToRadians (value:Double) -> Double {
return value * M_PI / 180.0
}
func radiansToDegrees (value:Double) -> Double {
return value * 180.0 / M_PI
}
func square (value:CGFloat) -> CGFloat {
return value * value
}
@IBDesignable public class CircleControl: UIControl, RotateStartDelegate {
private var backingValue: CGFloat = 0.0
/** Layer renderer **/
private let circleRenderer = CircleRenderer()
/** Contains the receiver’s current value. */
public var value: CGFloat {
get { return backingValue }
set { setValue(newValue, animated: false) }
}
public var angle: Double = 0.0
/** Set the angle of the circle */
public func setValue(value: CGFloat, animated: Bool) {
if(value != self.value) {
self.backingValue = value
// Update human-readable angle
var a = radiansToDegrees(Double(value))
self.angle = (a >= 0) ? a : a + 360.0
// Set angle
circleRenderer.setCircleAngle(value, animated: animated)
sendActionsForControlEvents(.ValueChanged)
}
}
/** Contains a Boolean value indicating whether changes in the sliders value generate continuous update events. */
public var continuous = true
public override init(frame: CGRect) {
super.init(frame: frame)
createSubLayers()
let gr = RotationGestureRecognizer(delegate: self, target: self, action: "handleRotation:")
self.addGestureRecognizer(gr)
let tr = TapGestureRecognizer(target: self, action: "handleTap:")
self.addGestureRecognizer(tr)
self.setValue(circleRenderer.segmentMiddle, animated: false)
}
public required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
/** Set bounds of all the sub layers **/
func createSubLayers() {
circleRenderer.update(bounds)
layer.addSublayer(circleRenderer.circleLayer)
}
func rotationStart(startingPoint: CGPoint, angle: CGFloat) {
println("Rotation started")
println(startingPoint)
// circleRenderer.setDragStartingAngle(angle)
//
//// circleRenderer.circleLayer.anchorPoint = startingPoint
////
//// circleRenderer.backingPointerAngle = angle
//// circleRenderer.setCircleAngle(angle, animated: true)
}
/** Animate to the color usert tapped on **/
func handleTap(sender: AnyObject) {
let tr = sender as! TapGestureRecognizer
}
/** Update the angle **/
func handleRotation(sender: AnyObject) {
let gr = sender as! RotationGestureRecognizer
self.value = gr.rotation
// When the gesture has stopped make a small correction to the middle of the segment
if (gr.state == UIGestureRecognizerState.Ended) || (gr.state == UIGestureRecognizerState.Cancelled) {
var segmentSize:Double = 360 / 4
if self.angle >= 0.0 && self.angle < segmentSize {
self.setValue(circleRenderer.segmentMiddle, animated: true)
} else if self.angle >= segmentSize && self.angle < segmentSize * 2 {
self.setValue(circleRenderer.segmentMiddle * 3, animated: true)
} else if self.angle >= segmentSize * 2 && self.angle < segmentSize * 3 {
self.setValue(circleRenderer.segmentMiddle * -3, animated: true)
} else if self.angle >= segmentSize * 3 && self.angle < segmentSize * 4 {
self.setValue(circleRenderer.segmentMiddle * -1, animated: true)
}
}
}
}
private class CircleRenderer {
/** Angle properties **/
var backingPointerAngle: CGFloat = 0.0
var circleAngle: CGFloat {
get { return backingPointerAngle }
set { setCircleAngle(newValue, animated: false) }
}
/** Layers **/
let circleLayer = CALayer()
let seg1Layer = CAShapeLayer()
let seg2Layer = CAShapeLayer()
let seg3Layer = CAShapeLayer()
let seg4Layer = CAShapeLayer()
/** Segment size **/
let segmentSize:CGFloat = CGFloat( ( M_PI*2 ) / 4)
/** Middle of a segment. The angle to rotate to **/
let segmentMiddle:CGFloat = CGFloat(( M_PI*2 ) / 8)
/** Initialize the colors **/
init() {
seg1Layer.fillColor = UIColor.greenColor().CGColor!
seg2Layer.fillColor = UIColor(red: 204, green: 0, blue: 0, alpha: 100).CGColor!
seg3Layer.fillColor = UIColor(red: 255, green: 203, blue: 0, alpha: 100).CGColor!
seg4Layer.fillColor = UIColor.blueColor().CGColor!
circleLayer.opaque = true
circleLayer.backgroundColor = UIColor.clearColor().CGColor!
}
func setDragStartingAngle(angle: CGFloat) {
// Set orientation?
}
/** Change the angle of the circle, animated or not animated **/
func setCircleAngle(circleAngle: CGFloat, animated: Bool) {
CATransaction.begin()
CATransaction.setDisableActions(true)
circleLayer.transform = CATransform3DMakeRotation(circleAngle, 0.0, 0.0, 0.1)
if animated {
let midAngle = (max(circleAngle, self.circleAngle) - min(circleAngle, self.circleAngle) ) / 2.0 + min(circleAngle, self.circleAngle)
let animation = CAKeyframeAnimation(keyPath: "transform.rotation.z")
animation.duration = 0.25
animation.values = [self.circleAngle, midAngle, circleAngle]
animation.keyTimes = [0.0, 0.5, 1.0]
animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
circleLayer.addAnimation(animation, forKey: "shake")
}
CATransaction.commit()
self.backingPointerAngle = circleAngle
}
/** Draw the segment layers paths **/
func update() {
let center = CGPoint(x: circleLayer.bounds.size.width / 2.0, y: circleLayer.bounds.size.height / 2.0)
let radius:CGFloat = min(circleLayer.bounds.size.width, circleLayer.bounds.size.height) / 2 * 1
let seg1Path = UIBezierPath(arcCenter: center, radius: radius, startAngle: 0.0, endAngle: segmentSize, clockwise: true)
seg1Path.addLineToPoint(center)
seg1Layer.path = seg1Path.CGPath
let seg2Path = UIBezierPath(arcCenter: center, radius: radius, startAngle: segmentSize, endAngle: segmentSize*2, clockwise: true)
seg2Path.addLineToPoint(center)
seg2Layer.path = seg2Path.CGPath
let seg3Path = UIBezierPath(arcCenter: center, radius: radius, startAngle: segmentSize*2, endAngle: segmentSize*3, clockwise: true)
seg3Path.addLineToPoint(center)
seg3Layer.path = seg3Path.CGPath
let seg4Path = UIBezierPath(arcCenter: center, radius: radius, startAngle: segmentSize*3, endAngle: segmentSize*4, clockwise: true)
seg4Path.addLineToPoint(center)
seg4Layer.path = seg4Path.CGPath
}
/** Update the frame and position of the layers **/
func update(bounds: CGRect) {
let position = CGPoint(x: bounds.width / 2.0, y: bounds.height / 2.0)
circleLayer.position = position
circleLayer.bounds = bounds
circleLayer.addSublayer(seg1Layer)
circleLayer.addSublayer(seg2Layer)
circleLayer.addSublayer(seg3Layer)
circleLayer.addSublayer(seg4Layer)
update()
}
}
import UIKit.UIGestureRecognizerSubclass
private class TapGestureRecognizer : UITapGestureRecognizer {
var rotation: CGFloat = 0.0
override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) {
super.touchesBegan(touches, withEvent: event)
if let touch = touches[touches.startIndex] as? UITouch {
self.rotation = rotationForLocation(touch.locationInView(self.view))
}
}
func rotationForLocation(location: CGPoint) -> CGFloat {
let offset = CGPoint(x: location.x - view!.bounds.midX, y: location.y - view!.bounds.midY)
return atan2(offset.y, offset.x)
}
}
protocol RotateStartDelegate {
func rotationStart(startingPoint: CGPoint, angle: CGFloat)
}
private class RotationGestureRecognizer: UIPanGestureRecognizer {
/** Angle of rotation **/
var rotation: CGFloat = 0.0
var rotationStart: CGFloat = 0.0
var currentState: String = "idle"
var rotationDelegate: RotateStartDelegate
init(delegate: RotateStartDelegate, target: AnyObject, action: Selector) {
self.rotationDelegate = delegate
super.init(target: target, action: action)
}
override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) {
super.touchesBegan(touches, withEvent: event)
self.currentState = "begin"
if let touch = touches[touches.startIndex] as? UITouch {
self.rotationDelegate.rotationStart(touch.locationInView(self.view), angle: rotationForLocation(touch.locationInView(self.view)))
}
}
override func touchesMoved(touches: Set<NSObject>, withEvent event: UIEvent) {
super.touchesMoved(touches, withEvent: event)
self.currentState = "dragging"
updateRotationWithTouches(touches)
}
override func touchesEnded(touches: Set<NSObject>!, withEvent event: UIEvent!) {
super.touchesEnded(touches, withEvent: event)
self.currentState = "idle"
}
func updateRotationWithTouches(touches: Set<NSObject>) {
if let touch = touches[touches.startIndex] as? UITouch {
self.rotation = rotationForLocation(touch.locationInView(self.view))
}
}
func rotationForLocation(location: CGPoint) -> CGFloat {
let offset = CGPoint(x: location.x - view!.bounds.midX, y: location.y - view!.bounds.midY)
return atan2(offset.y, offset.x)
}
}
时运行。批处理文件的内容如下：
JButton我在将内容保存到txt文件时遇到问题。 resultofbatch.txt创建没有问题，但它是空白的，并没有保存cmd提示结果。有什么建议？