lib/com.irurueta.android.gesturebitmap/RotationGestureDetector

RotationGestureDetector

class RotationGestureDetector(var listener: RotationGestureDetector.OnRotationGestureListener? = null)

Gesture detector to handle rotation gestures with two fingers.

Constructors

constructor(listener: RotationGestureDetector.OnRotationGestureListener? = null)

Types

OnRotationGestureListener

interface OnRotationGestureListener

Listener to notify rotation events.

Properties

currentAngle

var currentAngle: Float

Angle between both fingers at their current position.

currentX1

var currentX1: Float

Current X coordinate of 1st finger.

currentX2

var currentX2: Float

Current X coordinate of 2nd finger.

currentY1

var currentY1: Float

Current Y coordinate of 1st finger.

currentY2

var currentY2: Float

Current Y coordinate of 2nd finger.

deltaAngle

var deltaAngle: Float

Angle variation respect previous touch event.

deltaAngleStart

var deltaAngleStart: Float

Amount of angle variation between initial and current positions.

initialAngle

var initialAngle: Float

Angle between both fingers at their initial position.

initialX1

var initialX1: Float

Initial X coordinate of 1st finger.

initialX2

var initialX2: Float

Initial X coordinate of 2nd finger.

initialY1

var initialY1: Float

Initial Y coordinate of 1st finger.

initialY2

var initialY2: Float

Initial Y coordinate of 2nd finger.

listener

var listener: RotationGestureDetector.OnRotationGestureListener?

listener to handle events generated by this gesture detector.

pivotX

var pivotX: Float

X coordinate of pivot point. The pivot point is located between both fingers and is a point where rotation should not have any effect.

pivotY

var pivotY: Float

Y coordinate of pivot point.

Functions

onTouchEvent

fun onTouchEvent(event: MotionEvent?): Boolean

Method to call when a touch event occurs.