New OSG manipulator: TrackballManipulator with added mouse wheel zoom. More...

#include <WGEZoomTrackballManipulator.h>

Inheritance diagram for WGEZoomTrackballManipulator:

Public Member Functions
	WGEZoomTrackballManipulator ()
	Default constructor.
virtual void	setByMatrix (const osg::Matrixd &matrix)
	Set the position of the manipulator using a 4x4 matrix.
virtual osg::Matrixd	getMatrix () const
	Get the position of the manipulator as 4x4 matrix.
virtual osg::Matrixd	getMatrixWithoutZoom () const
	Get the manipulator only containing rotation and translation.
virtual osg::Matrixd	getInverseMatrix () const
	Get the position of the manipulator as a inverse matrix of the manipulator, typically used as a model view matrix.
virtual void	home (double currentTime)
	Move the camera to the default position.
virtual bool	handle (const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &us)
	Handle events, return true if handled, false otherwise.
double	getZoom () const
	Get zoom factor.
void	setZoom (double zoom)
	Set zoom factor.
void	setPaintMode (int mode)
	setter for paint mode when set to something different from 0, a left drag should move the scene
void	setThrow (bool allowThrow=true)
	En-/Disables throwing.
bool	getThrow () const
	Checks whether throwing is active.

Private Member Functions
bool	zoom (const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &us)
	Handles events related to zooming.

Private Attributes
double	m_zoom
	Zoom factor.
bool	m_allowThrow
	Do we want the auto-rotation thingy?
int	m_paintMode
	paint mode

Detailed Description

New OSG manipulator: TrackballManipulator with added mouse wheel zoom.

Definition at line 34 of file WGEZoomTrackballManipulator.h.

Constructor & Destructor Documentation

WGEZoomTrackballManipulator::WGEZoomTrackballManipulator ( )

Default constructor.

Definition at line 28 of file WGEZoomTrackballManipulator.cpp.

Member Function Documentation

osg::Matrixd WGEZoomTrackballManipulator::getInverseMatrix ( ) const

virtual

Get the position of the manipulator as a inverse matrix of the manipulator, typically used as a model view matrix.

Returns:: the inverse matrix

Definition at line 55 of file WGEZoomTrackballManipulator.cpp.

References m_zoom.

osg::Matrixd WGEZoomTrackballManipulator::getMatrix ( ) const

virtual

Get the position of the manipulator as 4x4 matrix.

Returns:: the matrix representing the transformation

Definition at line 45 of file WGEZoomTrackballManipulator.cpp.

References m_zoom.

Referenced by getMatrixWithoutZoom().

osg::Matrixd WGEZoomTrackballManipulator::getMatrixWithoutZoom ( ) const

virtual

Get the manipulator only containing rotation and translation.

Returns:: the matrix with translation and rotation.

Definition at line 50 of file WGEZoomTrackballManipulator.cpp.

References getMatrix().

bool WGEZoomTrackballManipulator::getThrow ( ) const

Checks whether throwing is active.

Returns:: true if active

Definition at line 168 of file WGEZoomTrackballManipulator.cpp.

References m_allowThrow.

double WGEZoomTrackballManipulator::getZoom ( ) const

inline

Get zoom factor.

Returns:: the current zoom factor

Definition at line 139 of file WGEZoomTrackballManipulator.h.

References m_zoom.

bool WGEZoomTrackballManipulator::handle	(	const osgGA::GUIEventAdapter &	ea,
		osgGA::GUIActionAdapter &	us
	)

virtual

Handle events, return true if handled, false otherwise.

Parameters:

ea	Event class for storing Keyboard, mouse and window events.
us	Interface by which GUIEventHandlers may request actions of the GUI system

Returns:: true if event was handled

Definition at line 120 of file WGEZoomTrackballManipulator.cpp.

References WGraphicsEngine::getGraphicsEngine(), home(), m_allowThrow, m_paintMode, and zoom().

void WGEZoomTrackballManipulator::home ( double currentTime )

virtual

Move the camera to the default position.

May be ignored by manipulators if home functionality is not appropriate.

Parameters:

currentTime Variable specified in osg class but not used.

Definition at line 60 of file WGEZoomTrackballManipulator.cpp.

References m_zoom.

Referenced by handle().

void WGEZoomTrackballManipulator::setByMatrix ( const osg::Matrixd & matrix )

virtual

Set the position of the manipulator using a 4x4 matrix.

Parameters:

matrix position of the manipulator

Definition at line 37 of file WGEZoomTrackballManipulator.cpp.

References m_zoom.

void WGEZoomTrackballManipulator::setPaintMode ( int mode )

setter for paint mode when set to something different from 0, a left drag should move the scene

Parameters:

mode the mode

Definition at line 158 of file WGEZoomTrackballManipulator.cpp.

References m_paintMode.

void WGEZoomTrackballManipulator::setThrow ( bool allowThrow = true )

En-/Disables throwing.

Parameters:

allowThrow if true, throwing is enabled.

Definition at line 163 of file WGEZoomTrackballManipulator.cpp.

References m_allowThrow.

void WGEZoomTrackballManipulator::setZoom ( double zoom )

inline

Set zoom factor.

Parameters:

zoom	the zoom factor to be set.

Definition at line 144 of file WGEZoomTrackballManipulator.h.

References m_zoom, and zoom().

bool WGEZoomTrackballManipulator::zoom	(	const osgGA::GUIEventAdapter &	ea,
		osgGA::GUIActionAdapter &	us
	)

private

Handles events related to zooming.

Parameters:

ea	Event class for storing Keyboard, mouse and window events.
us	Interface by which GUIEventHandlers may request actions of the GUI system

Returns:: true if event was handled

Definition at line 66 of file WGEZoomTrackballManipulator.cpp.

References m_zoom.

Referenced by handle(), and setZoom().

Member Data Documentation

bool WGEZoomTrackballManipulator::m_allowThrow

private

Do we want the auto-rotation thingy?

Definition at line 134 of file WGEZoomTrackballManipulator.h.

Referenced by getThrow(), handle(), and setThrow().

int WGEZoomTrackballManipulator::m_paintMode

private

paint mode

Definition at line 136 of file WGEZoomTrackballManipulator.h.

Referenced by handle(), and setPaintMode().

double WGEZoomTrackballManipulator::m_zoom

private

Zoom factor.

Definition at line 133 of file WGEZoomTrackballManipulator.h.

Referenced by getInverseMatrix(), getMatrix(), getZoom(), home(), setByMatrix(), setZoom(), and zoom().

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation