SoRotateGestureEvent Class Reference
Class for rotate gesture events. More...
#include <Inventor/gestures/events/SoRotateGestureEvent.h>
Public Member Functions | |
| virtual SoType | getTypeId () const |
| SoRotateGestureEvent () | |
| float | getRotation () const |
| float | getDeltaRotation () const |
Static Public Member Functions | |
| static SoType | getClassTypeId () |
Detailed Description
Class for rotate gesture events.
SoRotateGestureEvent represents a two finger rotate gesture in the Open Inventor event model. Touch events are analyzed by a SoRotateGestureRecognizer. When a rotate gesture is recognized, the recognizer generates this event. The gesture begins with a BEGIN state event. DELTA state events are generated until the end of the gesture which generates an END state event. See SoGestureEvent::getGestureState().
Note:
- In order to get touch events for the gesture recognizer(s) to recognize, the application must explicitly register a touch screen device (SoWinTouchScreen, SoQtTouchScreen, etc).
- In order to get gesture events, the application must explicitly register gesture recognizers with the touch screen device's touch manager (SoTouchManager).
SEE ALSO
SoEvent, SoGestureEvent, SoScaleGestureEvent, SoDouleTapGestureEvent, SoLongTapGestureEvent, SoRotateGestureRecognizer
Constructor & Destructor Documentation
| SoRotateGestureEvent::SoRotateGestureEvent | ( | ) |
Constructor.
Member Function Documentation
| static SoType SoRotateGestureEvent::getClassTypeId | ( | ) | [static] |
Returns the type identifier for this class.
Reimplemented from SoGestureEvent.
| float SoRotateGestureEvent::getDeltaRotation | ( | ) | const |
Gets the angle between the vector defined by two fingers previous position and the vector defined by their current position.
| float SoRotateGestureEvent::getRotation | ( | ) | const |
Gets the angle between the vector defined by two fingers position after the second detection and the vector defined by their current position.
| virtual SoType SoRotateGestureEvent::getTypeId | ( | ) | const [virtual] |
Returns the type identifier for this specific instance.
Reimplemented from SoGestureEvent.
The documentation for this class was generated from the following file:
- Inventor/gestures/events/SoRotateGestureEvent.h