luciad::TouchDragEvent Class Reference

Implementation of luciad::IInputEvent that represents a touch drag gesture. More...

#include <luciad/input/touch/TouchEvents.h>

Inheritance diagram for luciad::TouchDragEvent:

Public Member Functions
	TouchDragEvent (Coordinate initialCenterLocation, Coordinate currentCenterLocation, size_t touchPointCount, EventStatus status)
	Create a touch drag event. More...
Coordinate	getCurrentCenterLocation () const
Coordinate	getInitialCenterLocation () const
size_t	getTouchPointCount () const
Public Member Functions inherited from luciad::DragEvent
	DragEvent (Coordinate location, EventStatus status, Coordinate startLocation)
	Creates a drag event. More...
Coordinate	getLocation () const noexcept
virtual ModifierKeys	getModifierKeys () const noexcept
Coordinate	getStartLocation () const noexcept
EventStatus	getStatus () const noexcept
Public Member Functions inherited from luciad::IInputEvent
virtual	~IInputEvent ()=default

Detailed Description

Implementation of luciad::IInputEvent that represents a touch drag gesture.

It contains the initial and the current centroid location of the touch points in addition to the number of touch points currently detected and the current status of the gesture.

Since

2022.0

Constructor & Destructor Documentation

TouchDragEvent()

luciad::TouchDragEvent::TouchDragEvent ( Coordinate  initialCenterLocation, Coordinate  currentCenterLocation, size_t  touchPointCount, EventStatus  status  )

inline

Create a touch drag event.

Parameters

initialCenterLocation	The center location at the beginning of the gesture, defined in device independent pixels.
currentCenterLocation	The current center location, defined in device independent pixels.
touchPointCount	How many touch points are used in the gesture.
status	The status of the gesture.

Member Function Documentation

getCurrentCenterLocation()

Coordinate luciad::TouchDragEvent::getCurrentCenterLocation ( ) const

inline

Returns

the location of the centroid of the surface represented by the current locations of the pointers in device independent pixels.

getInitialCenterLocation()

Coordinate luciad::TouchDragEvent::getInitialCenterLocation ( ) const

inline

Returns

the location of the centroid of the surface represented by the initial locations of the pointers in device independent pixels.

getTouchPointCount()

size_t luciad::TouchDragEvent::getTouchPointCount ( ) const

inline

Returns

how many touch points are used.