Base class for OpenGL-rendering widget. More...

#include <anatomist/window/glwidgetmanager.h>

Inheritance diagram for anatomist::GLWidgetManager:

Collaboration diagram for anatomist::GLWidgetManager:

[legend]

Public Member Functions
virtual QSize	sizeHint () const

virtual QSize	minimumSizeHint () const

virtual void	updateGL ()

void	renderBackBuffer (ViewState::glSelectRenderMode selectmode)

void	copyBackBuffer2Texture (void)

virtual void	paintScene ()
	basically calls paintGL() More...

	GLWidgetManager (anatomist::AWindow win, QGLWidget widget)

virtual	~GLWidgetManager ()

QGLWidget *	qglWidget ()

QObject *	qobject ()
	this QObject is used for slots: updateZBuffer, saveContents, recordStart, recordStop More...

void	setPrimitives (const anatomist::GLPrimitives &li)

anatomist::GLPrimitives	primitives () const

void	setSelectionPrimitives (const anatomist::GLPrimitives &li)

anatomist::GLPrimitives	selectionPrimitives () const

void	clearLists ()

void	setExtrema (const Point3df &bmin, const Point3df &bmax)
	set objects extrema, this also automatically sets the window bounding box More...

void	setWindowExtrema (const Point3df &bmin, const Point3df &bmax)
	set window extrema (in the local orientation) More...

Point3df	boundingMin () const

Point3df	boundingMax () const

Point3df	windowBoundingMin () const

Point3df	windowBoundingMax () const

void	setLightGLList (GLuint l)

GLuint	lightGLList () const

void	setPreferredSize (int, int)

void	setMinimumSizeHint (const QSize &)

virtual bool	positionFromCursor (int x, int y, Point3df &position)

virtual bool	cursorFromPosition (const Point3df &position, Point3df &cursor)

virtual Point3df	objectPositionFromWindow (const Point3df &winpos)

virtual void	readBackBuffer (int x, int y, GLubyte &red, GLubyte &green, GLubyte &blue)

GLubyte *	getTextureFromBackBuffer (void)

virtual bool	translateCursorPosition (float x, float y, Point3df &position)

virtual std::string	name () const

void	setZoom (float z)

float	zoom () const

const aims::Quaternion &	quaternion () const
	The quaternion rotates the initial eye direction (0, 0, 1) into the view coordinates, before Z axis inversion. More...

void	setQuaternion (const Point4df &q)

void	setQuaternion (const aims::Quaternion &q)

const float *	rotation () const

void	setXDirection (bool invert)

void	setYDirection (bool invert)

void	setZDirection (bool invert)

bool	invertedX () const

bool	invertedY () const

bool	invertedZ () const

void	setRotationCenter (const Point3df &)

Point3df	rotationCenter () const

bool	perspectiveEnabled () const

void	enablePerspective (bool)

float	perspectiveAngle () const

void	setPerspectiveAngle (float a)

bool	perspectiveAutoFarPlane () const

void	setPerspectiveAutoFarPlane (bool x)

float	perspectiveFarPlane () const

void	setPerspectiveFarPlane (float d)

float	perspectiveNearPlane () const

float	perspectiveNearPlaneRatio () const

void	setPerspectiveNearPlaneRatio (float d)

void	setAutoCentering (bool)

bool	autoCentering () const

virtual void	recordStart (const QString &basename, const QString &format=QString::null, int width=0, int height=0)

void	saveContents (const QString &filename, const QString &format, int width=0, int height=0)

QImage	snapshotImage (int bufmode, int width=0, int height=0)

void	saveOtherBuffer (const QString &filename, const QString &format, int mode, int width=0, int height=0)

void	setOtherBuffersSaveMode (int mode)

int	otherBuffersSaveMode () const

bool	hasTransparentObjects () const

void	setTransparentObjects (bool)

bool	depthPeelingAllowed () const

bool	depthPeelingEnabled () const

void	enableDepthPeeling (bool)

unsigned	depthPeelingPasses () const

void	setDepthPeelingPasses (unsigned n)

unsigned	numTextureUnits () const

bool	recording () const

void	setBackgroundAlpha (float a)

GLWidgetManager *	rightEye ()

GLWidgetManager *	leftEye ()

void	setRightEye (GLWidgetManager *)

void	setLeftEye (GLWidgetManager *)

AWindow *	aWindow ()

const AWindow *	aWindow () const

virtual int	width ()=0

virtual int	height ()=0

virtual void	saveContents ()

void	saveContentsWithCustomSize ()

virtual void	recordStart ()

void	recordStartWithCustomSize ()

virtual void	recordStop ()

bool	hasCameraChanged () const

Public Member Functions inherited from anatomist::View
	View (AWindow *win)

virtual	~View ()

ControlSwitch *	controlSwitch ()

Static Public Member Functions
static QGLWidget *	sharedWidget ()

Protected Types
enum	DrawMode { Normal, ZSelect, ObjectSelect, ObjectsSelect, PolygonSelect }

Protected Member Functions
virtual void	initializeGL ()

virtual void	resizeGL (int w, int h)

virtual void	paintGL ()

virtual void	mousePressEvent (QMouseEvent *me)

virtual void	mouseReleaseEvent (QMouseEvent *me)

virtual void	mouseMoveEvent (QMouseEvent *me)

virtual void	mouseDoubleClickEvent (QMouseEvent *)

virtual void	keyPressEvent (QKeyEvent *ev)

virtual void	keyReleaseEvent (QKeyEvent *ev)

virtual void	focusInEvent (QFocusEvent *)

virtual void	focusOutEvent (QFocusEvent *)

virtual void	wheelEvent (QWheelEvent *)

virtual void	project (int virtualWidth=0, int virtualHeight=0)

virtual void	setupView (int virtualWidth=0, int virtualHeight=0)

void	drawObjects (DrawMode m=Normal)

void	depthPeelingRender (DrawMode m=Normal)

virtual void	paintGL (DrawMode m, int virtualWidth=0, int virtualHeight=0)
	Virtual width and height are used to perform off-screen rendering. More...

void	record ()

virtual void	updateZBuffer ()

bool	isZBufferUpToDate () const

void	setZBufferUpdated (bool)

void	stopZBufferTimer ()

bool	isRGBBufferUpToDate () const

void	setRGBBufferUpdated (bool)

Protected Attributes
anatomist::GLPrimitives	_primitives

anatomist::GLPrimitives	_selectprimitives

Friends
class	::GLWidgetManager_Private_QObject

class	anatomist::internal::AGraphicsView
	QGraphicsView needs to call event methods. More...

Detailed Description

Base class for OpenGL-rendering widget.

Actually this is not a QWidget (or a QGLWidget) since in some cases we need to separate this implementation from the actual Qt widget which can be an inherited one.

Definition at line 71 of file glwidgetmanager.h.

Member Enumeration Documentation

◆ DrawMode

enum anatomist::GLWidgetManager::DrawMode

protected

Enumerator
Normal
ZSelect
ObjectSelect
ObjectsSelect
PolygonSelect

Definition at line 220 of file glwidgetmanager.h.

Constructor & Destructor Documentation

◆ GLWidgetManager()

anatomist::GLWidgetManager::GLWidgetManager	(	anatomist::AWindow *	win,
		QGLWidget *	widget
	)

◆ ~GLWidgetManager()

virtual anatomist::GLWidgetManager::~GLWidgetManager ( )

virtual

Member Function Documentation

◆ autoCentering()

bool anatomist::GLWidgetManager::autoCentering ( ) const

◆ aWindow() [1/2]

AWindow* anatomist::GLWidgetManager::aWindow ( )

virtual

Reimplemented from anatomist::View.

◆ aWindow() [2/2]

const AWindow* anatomist::GLWidgetManager::aWindow ( ) const

virtual

Reimplemented from anatomist::View.

◆ boundingMax()

Point3df anatomist::GLWidgetManager::boundingMax ( ) const

◆ boundingMin()

Point3df anatomist::GLWidgetManager::boundingMin ( ) const

◆ clearLists()

void anatomist::GLWidgetManager::clearLists ( )

◆ copyBackBuffer2Texture()

void anatomist::GLWidgetManager::copyBackBuffer2Texture ( void )

◆ cursorFromPosition()

virtual bool anatomist::GLWidgetManager::cursorFromPosition	(	const Point3df &	position,
		Point3df &	cursor
	)

virtual

◆ depthPeelingAllowed()

bool anatomist::GLWidgetManager::depthPeelingAllowed ( ) const

◆ depthPeelingEnabled()

bool anatomist::GLWidgetManager::depthPeelingEnabled ( ) const

◆ depthPeelingPasses()

unsigned anatomist::GLWidgetManager::depthPeelingPasses ( ) const

◆ depthPeelingRender()

void anatomist::GLWidgetManager::depthPeelingRender ( DrawMode m = Normal )

protected

◆ drawObjects()

void anatomist::GLWidgetManager::drawObjects ( DrawMode m = Normal )

protected

◆ enableDepthPeeling()

void anatomist::GLWidgetManager::enableDepthPeeling ( bool )

◆ enablePerspective()

void anatomist::GLWidgetManager::enablePerspective ( bool )

◆ focusInEvent()

virtual void anatomist::GLWidgetManager::focusInEvent ( QFocusEvent * )

protectedvirtual

Reimplemented in QAGLWidget.

◆ focusOutEvent()

virtual void anatomist::GLWidgetManager::focusOutEvent ( QFocusEvent * )

protectedvirtual

Reimplemented in QAGLWidget.

◆ getTextureFromBackBuffer()

GLubyte* anatomist::GLWidgetManager::getTextureFromBackBuffer ( void )

◆ hasCameraChanged()

bool anatomist::GLWidgetManager::hasCameraChanged ( ) const

◆ hasTransparentObjects()

bool anatomist::GLWidgetManager::hasTransparentObjects ( ) const

◆ height()

virtual int anatomist::GLWidgetManager::height ( )

pure virtual

Implemented in QAGLWidget.

◆ initializeGL()

virtual void anatomist::GLWidgetManager::initializeGL ( )

protectedvirtual

Reimplemented in QAGLWidget.

◆ invertedX()

bool anatomist::GLWidgetManager::invertedX ( ) const

◆ invertedY()

bool anatomist::GLWidgetManager::invertedY ( ) const

◆ invertedZ()

bool anatomist::GLWidgetManager::invertedZ ( ) const

◆ isRGBBufferUpToDate()

bool anatomist::GLWidgetManager::isRGBBufferUpToDate ( ) const

protected

◆ isZBufferUpToDate()

bool anatomist::GLWidgetManager::isZBufferUpToDate ( ) const

protected

◆ keyPressEvent()

virtual void anatomist::GLWidgetManager::keyPressEvent ( QKeyEvent * ev )

protectedvirtual

Reimplemented in QAGLWidget.

◆ keyReleaseEvent()

virtual void anatomist::GLWidgetManager::keyReleaseEvent ( QKeyEvent * ev )

protectedvirtual

Reimplemented in QAGLWidget.

◆ leftEye()

GLWidgetManager* anatomist::GLWidgetManager::leftEye ( )

◆ lightGLList()

GLuint anatomist::GLWidgetManager::lightGLList ( ) const

◆ minimumSizeHint()

virtual QSize anatomist::GLWidgetManager::minimumSizeHint ( ) const

virtual

Reimplemented in QAGLWidget.

◆ mouseDoubleClickEvent()

virtual void anatomist::GLWidgetManager::mouseDoubleClickEvent ( QMouseEvent * )

protectedvirtual

Reimplemented in QAGLWidget.

◆ mouseMoveEvent()

virtual void anatomist::GLWidgetManager::mouseMoveEvent ( QMouseEvent * me )

protectedvirtual

Reimplemented in QAGLWidget.

◆ mousePressEvent()

virtual void anatomist::GLWidgetManager::mousePressEvent ( QMouseEvent * me )

protectedvirtual

Reimplemented in QAGLWidget.

◆ mouseReleaseEvent()

virtual void anatomist::GLWidgetManager::mouseReleaseEvent ( QMouseEvent * me )

protectedvirtual

Reimplemented in QAGLWidget.

◆ name()

virtual std::string anatomist::GLWidgetManager::name ( ) const

virtual

Implements anatomist::View.

Reimplemented in QAGLWidget3D, and QAGLWidget.

◆ numTextureUnits()

unsigned anatomist::GLWidgetManager::numTextureUnits ( ) const

◆ objectPositionFromWindow()

virtual Point3df anatomist::GLWidgetManager::objectPositionFromWindow ( const Point3df & winpos )

virtual

◆ otherBuffersSaveMode()

int anatomist::GLWidgetManager::otherBuffersSaveMode ( ) const

◆ paintGL() [1/2]

virtual void anatomist::GLWidgetManager::paintGL ( )

protectedvirtual

Reimplemented in QAGLWidget.

◆ paintGL() [2/2]

virtual void anatomist::GLWidgetManager::paintGL	(	DrawMode	m,
		int	virtualWidth = `0`,
		int	virtualHeight = `0`
	)

protectedvirtual

Virtual width and height are used to perform off-screen rendering.

They are used only in the context of a framebuffer.

◆ paintScene()

virtual void anatomist::GLWidgetManager::paintScene ( )

virtual

basically calls paintGL()

◆ perspectiveAngle()

float anatomist::GLWidgetManager::perspectiveAngle ( ) const

◆ perspectiveAutoFarPlane()

bool anatomist::GLWidgetManager::perspectiveAutoFarPlane ( ) const

◆ perspectiveEnabled()

bool anatomist::GLWidgetManager::perspectiveEnabled ( ) const

◆ perspectiveFarPlane()

float anatomist::GLWidgetManager::perspectiveFarPlane ( ) const

◆ perspectiveNearPlane()

float anatomist::GLWidgetManager::perspectiveNearPlane ( ) const

◆ perspectiveNearPlaneRatio()

float anatomist::GLWidgetManager::perspectiveNearPlaneRatio ( ) const

◆ positionFromCursor()

virtual bool anatomist::GLWidgetManager::positionFromCursor	(	int	x,
		int	y,
		Point3df &	position
	)

virtual

◆ primitives()

anatomist::GLPrimitives anatomist::GLWidgetManager::primitives ( ) const

◆ project()

virtual void anatomist::GLWidgetManager::project	(	int	virtualWidth = `0`,
		int	virtualHeight = `0`
	)

protectedvirtual

◆ qglWidget()

QGLWidget* anatomist::GLWidgetManager::qglWidget ( )

◆ qobject()

QObject* anatomist::GLWidgetManager::qobject ( )

this QObject is used for slots: updateZBuffer, saveContents, recordStart, recordStop

◆ quaternion()

const aims::Quaternion& anatomist::GLWidgetManager::quaternion ( ) const

The quaternion rotates the initial eye direction (0, 0, 1) into the view coordinates, before Z axis inversion.

◆ readBackBuffer()

virtual void anatomist::GLWidgetManager::readBackBuffer	(	int	x,
		int	y,
		GLubyte &	red,
		GLubyte &	green,
		GLubyte &	blue
	)

virtual

◆ record()

void anatomist::GLWidgetManager::record ( )

protected

◆ recording()

bool anatomist::GLWidgetManager::recording ( ) const

◆ recordStart() [1/2]

virtual void anatomist::GLWidgetManager::recordStart	(	const QString &	basename,
		const QString &	format = `QString::null`,
		int	width = `0`,
		int	height = `0`
	)

virtual

◆ recordStart() [2/2]

virtual void anatomist::GLWidgetManager::recordStart ( )

virtual

◆ recordStartWithCustomSize()

void anatomist::GLWidgetManager::recordStartWithCustomSize ( )

◆ recordStop()

virtual void anatomist::GLWidgetManager::recordStop ( )

virtual

◆ renderBackBuffer()

void anatomist::GLWidgetManager::renderBackBuffer ( ViewState::glSelectRenderMode selectmode )

◆ resizeGL()

virtual void anatomist::GLWidgetManager::resizeGL	(	int	w,
		int	h
	)

protectedvirtual

Reimplemented in QAGLWidget.

◆ rightEye()

GLWidgetManager* anatomist::GLWidgetManager::rightEye ( )

◆ rotation()

const float* anatomist::GLWidgetManager::rotation ( ) const

◆ rotationCenter()

Point3df anatomist::GLWidgetManager::rotationCenter ( ) const

◆ saveContents() [1/2]

void anatomist::GLWidgetManager::saveContents	(	const QString &	filename,
		const QString &	format,
		int	width = `0`,
		int	height = `0`
	)

◆ saveContents() [2/2]

virtual void anatomist::GLWidgetManager::saveContents ( )

virtual

◆ saveContentsWithCustomSize()

void anatomist::GLWidgetManager::saveContentsWithCustomSize ( )

◆ saveOtherBuffer()

void anatomist::GLWidgetManager::saveOtherBuffer	(	const QString &	filename,
		const QString &	format,
		int	mode,
		int	width = `0`,
		int	height = `0`
	)

◆ selectionPrimitives()

anatomist::GLPrimitives anatomist::GLWidgetManager::selectionPrimitives ( ) const

◆ setAutoCentering()

void anatomist::GLWidgetManager::setAutoCentering ( bool )

◆ setBackgroundAlpha()

void anatomist::GLWidgetManager::setBackgroundAlpha ( float a )

◆ setDepthPeelingPasses()

void anatomist::GLWidgetManager::setDepthPeelingPasses ( unsigned n )

◆ setExtrema()

void anatomist::GLWidgetManager::setExtrema	(	const Point3df &	bmin,
		const Point3df &	bmax
	)

set objects extrema, this also automatically sets the window bounding box

◆ setLeftEye()

void anatomist::GLWidgetManager::setLeftEye ( GLWidgetManager * )

◆ setLightGLList()

void anatomist::GLWidgetManager::setLightGLList ( GLuint l )

◆ setMinimumSizeHint()

void anatomist::GLWidgetManager::setMinimumSizeHint ( const QSize & )

◆ setOtherBuffersSaveMode()

void anatomist::GLWidgetManager::setOtherBuffersSaveMode ( int mode )

◆ setPerspectiveAngle()

void anatomist::GLWidgetManager::setPerspectiveAngle ( float a )

◆ setPerspectiveAutoFarPlane()

void anatomist::GLWidgetManager::setPerspectiveAutoFarPlane ( bool x )

◆ setPerspectiveFarPlane()

void anatomist::GLWidgetManager::setPerspectiveFarPlane ( float d )

◆ setPerspectiveNearPlaneRatio()

void anatomist::GLWidgetManager::setPerspectiveNearPlaneRatio ( float d )

◆ setPreferredSize()

void anatomist::GLWidgetManager::setPreferredSize	(	int	,
		int
	)

◆ setPrimitives()

void anatomist::GLWidgetManager::setPrimitives ( const anatomist::GLPrimitives & li )

◆ setQuaternion() [1/2]

void anatomist::GLWidgetManager::setQuaternion ( const Point4df & q )

◆ setQuaternion() [2/2]

void anatomist::GLWidgetManager::setQuaternion ( const aims::Quaternion & q )

◆ setRGBBufferUpdated()

void anatomist::GLWidgetManager::setRGBBufferUpdated ( bool )

protected

◆ setRightEye()

void anatomist::GLWidgetManager::setRightEye ( GLWidgetManager * )

◆ setRotationCenter()

void anatomist::GLWidgetManager::setRotationCenter ( const Point3df & )

◆ setSelectionPrimitives()

void anatomist::GLWidgetManager::setSelectionPrimitives ( const anatomist::GLPrimitives & li )

◆ setTransparentObjects()

void anatomist::GLWidgetManager::setTransparentObjects ( bool )

◆ setupView()

virtual void anatomist::GLWidgetManager::setupView	(	int	virtualWidth = `0`,
		int	virtualHeight = `0`
	)

protectedvirtual

◆ setWindowExtrema()

void anatomist::GLWidgetManager::setWindowExtrema	(	const Point3df &	bmin,
		const Point3df &	bmax
	)

set window extrema (in the local orientation)

◆ setXDirection()

void anatomist::GLWidgetManager::setXDirection ( bool invert )

◆ setYDirection()

void anatomist::GLWidgetManager::setYDirection ( bool invert )

◆ setZBufferUpdated()

void anatomist::GLWidgetManager::setZBufferUpdated ( bool )

protected

◆ setZDirection()

void anatomist::GLWidgetManager::setZDirection ( bool invert )

◆ setZoom()

void anatomist::GLWidgetManager::setZoom ( float z )

◆ sharedWidget()

static QGLWidget* anatomist::GLWidgetManager::sharedWidget ( )

static

◆ sizeHint()

virtual QSize anatomist::GLWidgetManager::sizeHint ( ) const

virtual

Reimplemented in QAGLWidget.

◆ snapshotImage()

QImage anatomist::GLWidgetManager::snapshotImage	(	int	bufmode,
		int	width = `0`,
		int	height = `0`
	)

◆ stopZBufferTimer()

void anatomist::GLWidgetManager::stopZBufferTimer ( )

protected

◆ translateCursorPosition()

virtual bool anatomist::GLWidgetManager::translateCursorPosition	(	float	x,
		float	y,
		Point3df &	position
	)

virtual

◆ updateGL()

virtual void anatomist::GLWidgetManager::updateGL ( )

virtual

◆ updateZBuffer()

virtual void anatomist::GLWidgetManager::updateZBuffer ( )

protectedvirtual

◆ wheelEvent()

virtual void anatomist::GLWidgetManager::wheelEvent ( QWheelEvent * )

protectedvirtual

Reimplemented in QAGLWidget.

◆ width()

virtual int anatomist::GLWidgetManager::width ( )

pure virtual

Implemented in QAGLWidget.

◆ windowBoundingMax()

Point3df anatomist::GLWidgetManager::windowBoundingMax ( ) const

◆ windowBoundingMin()

Point3df anatomist::GLWidgetManager::windowBoundingMin ( ) const

◆ zoom()

float anatomist::GLWidgetManager::zoom ( ) const

Friends And Related Function Documentation

◆ ::GLWidgetManager_Private_QObject

friend class ::GLWidgetManager_Private_QObject

friend

Definition at line 102 of file glwidgetmanager.h.

◆ anatomist::internal::AGraphicsView

friend class anatomist::internal::AGraphicsView

friend

QGraphicsView needs to call event methods.

Definition at line 217 of file glwidgetmanager.h.

Member Data Documentation

◆ _primitives

anatomist::GLPrimitives anatomist::GLWidgetManager::_primitives

protected

Definition at line 239 of file glwidgetmanager.h.

◆ _selectprimitives

anatomist::GLPrimitives anatomist::GLWidgetManager::_selectprimitives

protected

Definition at line 240 of file glwidgetmanager.h.

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

anatomist/window/glwidgetmanager.h

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Member Enumeration Documentation

◆ DrawMode

Constructor & Destructor Documentation

◆ GLWidgetManager()

◆ ~GLWidgetManager()

Member Function Documentation

◆ autoCentering()

◆ aWindow() [1/2]

◆ aWindow() [2/2]

◆ boundingMax()

◆ boundingMin()

◆ clearLists()

◆ copyBackBuffer2Texture()

◆ cursorFromPosition()

◆ depthPeelingAllowed()

◆ depthPeelingEnabled()

◆ depthPeelingPasses()

◆ depthPeelingRender()

◆ drawObjects()

◆ enableDepthPeeling()

◆ enablePerspective()

◆ focusInEvent()

◆ focusOutEvent()

◆ getTextureFromBackBuffer()

◆ hasCameraChanged()

◆ hasTransparentObjects()

◆ height()

◆ initializeGL()

◆ invertedX()

◆ invertedY()

◆ invertedZ()

◆ isRGBBufferUpToDate()

◆ isZBufferUpToDate()

◆ keyPressEvent()

◆ keyReleaseEvent()

◆ leftEye()

◆ lightGLList()

◆ minimumSizeHint()

◆ mouseDoubleClickEvent()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ name()

◆ numTextureUnits()

◆ objectPositionFromWindow()

◆ otherBuffersSaveMode()

◆ paintGL() [1/2]

◆ paintGL() [2/2]

◆ paintScene()

◆ perspectiveAngle()

◆ perspectiveAutoFarPlane()

◆ perspectiveEnabled()

◆ perspectiveFarPlane()

◆ perspectiveNearPlane()

◆ perspectiveNearPlaneRatio()

◆ positionFromCursor()

◆ primitives()

◆ project()

◆ qglWidget()

◆ qobject()

◆ quaternion()

◆ readBackBuffer()

◆ record()

◆ recording()

◆ recordStart() [1/2]

◆ recordStart() [2/2]

◆ recordStartWithCustomSize()

◆ recordStop()

◆ renderBackBuffer()

◆ resizeGL()

◆ rightEye()

◆ rotation()

◆ rotationCenter()