PanOrZoomController

open class PanOrZoomController : TouchInputController

Represents a controller that handles touch input by panning or zooming the Diagram. Inherits the TouchInputController class.


                    
                    
                    init(view:)

Initializes a new instance of the PanOrZoomController class.

Swift

public init(view: DiagramView)


                                diagramView

The DiagramView that is modified.


                    
                    
                    onTouchDown(_:positionB:)

Swift

open override func onTouchDown(_ position: Point, positionB: Point)

`position`	The point where the user has touched the surface.
`positionB`	The point where the users has touched the surface with the second finger.


                    
                    
                    onTouchMove(_:positionB:)

Swift

open override func onTouchMove(_ position: Point, positionB: Point)

`position`	The point where the user has moved their finger.
`positionB`	The point where the users has moved their second finger.


                    
                    
                    onTouchUp(_:positionB:)

Swift

open override func onTouchUp(_ position: Point, positionB: Point)

`position`	The point where the user has lift their finger.
`positionB`	The point where the users has lift their second finger.


                    
                    
                    onCancel(_:positionB:)

Swift

open override func onCancel(_ position: Point, positionB: Point)

`position`	The point where the user’s finger was located when the action was canceled.
`positionB`	The point where the user’s second finger was located when the action was canceled.