Graphics view. More...

#include <RGraphicsView.h>

Inheritance diagram for RGraphicsView:

Public Types
enum	ColorMode { FullColor , GrayScale , BlackWhite }

Public Member Functions
void	addTextLabel (const RTextLabel &textLabel)

void	autoZoom (int margin=RDEFAULT_MIN1, bool ignoreEmpty=false, bool ignoreLineweight=false)

virtual void	centerToBox (const RBox &box)
	Centers the view on the given `box`.

virtual void	centerToPoint (const RVector &point)
	Centers the view on the given `point`.

void	clear ()

void	clearCaches ()

void	clearTextLabels ()

bool	getAntialiasing () const

QColor	getBackgroundColor ()

virtual RBox	getBox () const

RObject::Id	getClosestEntity (const RVector &screenPosition, int range, int strictRange, bool includeLockedLayers=true, bool selectedOnly=false)
	Finds the entity that is the closest to the given screen coordinate (in pixels).

RRefPoint	getClosestReferencePoint (const RVector &screenPosition, int range)
	Finds the reference point that is the closest to the given screen coordinate (in pixels).

RRefPoint	getClosestReferencePoint (RObject::Id entityId, const RVector &screenPosition)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

RGraphicsView::ColorMode	getColorMode ()

RVector	getCurrentStepOffset () const

double	getCurrentStepScaleFactor () const

virtual QCursor	getCursor ()

virtual double	getDevicePixelRatio () const

RDocument *	getDocument () const

RDocumentInterface *	getDocumentInterface () const

double	getFactor (bool includeStepFactor=true) const

bool	getForceTextHeightThreshold () const

RGrid *	getGrid ()

bool	getHairlineMinimumMode ()

bool	getHairlineMode ()

virtual int	getHeight () const =0

RVector	getLastKnownMousePosition () const

int	getMargin ()

virtual RVector	getMaximum () const

virtual RVector	getMinimum () const

RVector	getOffset (bool includeStepOffset=true) const

RGraphicsScene *	getScene () const

virtual bool	getSignalsBlocked () const

int	getTextHeightThresholdOverride () const

QList< RTextLabel >	getTextLabels ()

int	getViewportNumber () const

QWidget *	getWidget () const

virtual int	getWidth () const =0

virtual void	giveFocus ()=0

virtual void	handleKeyPressEvent (QKeyEvent &event)

virtual void	handleKeyReleaseEvent (QKeyEvent &event)

virtual void	handleMouseDoubleClickEvent (RMouseEvent &event)
	This should be called by the mouse double click event handler of a higher level GUI toolkit.

virtual void	handleMouseMoveEvent (RMouseEvent &event)
	This should be called by the mouse move event handler of a higher level GUI toolkit.

virtual void	handleMousePressEvent (RMouseEvent &event)
	This should be called by the mouse press event handler of a higher level GUI toolkit.

virtual void	handleMouseReleaseEvent (RMouseEvent &event)
	This should be called by the mouse release event handler of a higher level GUI toolkit.

virtual void	handlePanGestureEvent (QPanGesture &gesture)

virtual void	handlePinchGestureEvent (QPinchGesture &gesture)

virtual void	handleSwipeGestureEvent (QSwipeGesture &gesture)

virtual void	handleTabletEvent (RTabletEvent &event)
	This should be called by the tablet event handler of a higher level GUI toolkit.

virtual void	handleTerminateEvent (RTerminateEvent &event)

virtual void	handleWheelEvent (RWheelEvent &event)
	This should be called by the mouse wheel event handler of a higher level GUI toolkit.

virtual bool	hasFocus ()=0

virtual int	isActive () const

bool	isExporting () const

bool	isGridVisible () const

bool	isPathVisible (const RPainterPath &path) const

bool	isPrinting () const

bool	isPrintingOrExporting () const

bool	isPrintPreview () const

virtual bool	isShared () const
	Reimplementations may return true to prevent this view from being deleted.

virtual QList< RVector >	mapCornersFromView () const

virtual double	mapDistanceFromView (double d) const =0
	Maps the given view distance in pixels to a model distance.

virtual double	mapDistanceToView (double d) const =0
	Maps the given model distance to a screen distance in pixels.

virtual RVector	mapFromView (const RVector &v, double z=0.0) const =0
	Maps the given view coordinate in pixels to a model coordinate.

virtual RBox	mapToView (const RBox &box) const
	Finds the entity that is the closest to the given screen coordinate (in pixels) and inside the current UCS (read floor).

virtual RVector	mapToView (const RVector &v) const =0
	Maps the given model coordinate to a view coordinate in pixels.

virtual void	paintCursorLine (const RLine &)

virtual void	paintGridLine (const RLine &)

virtual void	paintGridPoint (const RVector &)

virtual void	paintGridPoints (const QVector< double > &ucsPositionX, const QVector< double > &ucsPositionY)

virtual void	pan (const RVector &delta, bool regen=true)
	Pans (scrolls) by the given amount `delta` which is a vector in screen coordinates (pixels).

virtual void	regenerate (bool force=false)=0
	Regenerates the view to show the visible parts of the underlying scene.

virtual void	regenerate (QSet< RObject::Id > &affectedEntities)

virtual bool	registerForFocus () const
	Reimplementations may return true to register this view and allow it to be returned by RDocumentInterface::getLastKnownViewWithFocus.

virtual void	removeFocus ()=0

virtual void	repaintView ()=0
	Repaints the view (widget, etc..).

void	restoreViewport ()

	RGraphicsView (RGraphicsScene *scene=NULL)
	Copyright (c) 2011-2018 by Andrew Mustun.

void	saveViewport ()

void	setAntialiasing (bool val)

virtual void	setBackgroundColor (const QColor &col)

void	setColorMode (RGraphicsView::ColorMode cm)

void	setCurrentStepOffset (const RVector &s)

void	setCurrentStepScaleFactor (double f)

virtual void	setCursor (const QCursor &)

virtual void	setCursor (Qt::CursorShape)

void	setDisplayOnlyCurrentUcs (bool on)
	If `on` is true, only the current UCS and the entities that are in its range are displayed.

void	setExporting (bool on)

void	setFactor (double f, bool regen=true)

void	setForceTextHeightThreshold (bool on)

void	setGrid (RGrid *g)
	Sets the current grid.

void	setGridVisible (bool on)

void	setHairlineMinimumMode (bool on)

void	setHairlineMode (bool on)

void	setMargin (int m)

void	setNavigationAction (RAction *action)
	Sets an action object that is typically used to handle all navigation interaction (zooming, panning, ...).

void	setOffset (const RVector &offset, bool regen=true)

void	setPrinting (bool on)

void	setPrintPointSize (const RVector &s)

void	setPrintPreview (bool on)

virtual void	setScene (RGraphicsScene *scene, bool regen=true)

virtual void	setSignalsBlocked (bool on)

void	setTextHeightThresholdOverride (int v)

void	setViewportNumber (int n)

void	setWidget (QWidget *w)

virtual void	simulateMouseMoveEvent ()

void	startPan ()

void	updateTextHeightThreshold ()

virtual void	viewportChangeEvent ()

virtual void	zoom (const RVector &center, double factor)
	Zooms in / out by the given factor towards / from the given center in scene coordinates.

void	zoomIn ()
	Zooms in by factor 1.2.

void	zoomIn (const RVector &center, double factor=1.2)
	Zooms in by factor 1.2.

void	zoomOut ()
	Zooms out by factor 1.2.

void	zoomOut (const RVector &center, double factor=1.2)
	Zooms out by factor 1.0/1.2.

void	zoomPrevious ()

virtual void	zoomTo (const RBox &window, int margin=0)
	Zooms the view in a way that the given window is visible and fills the view.

bool	zoomToEntities (const QSet< RObject::Id > &ids, int margin=RDEFAULT_MIN1)

bool	zoomToSelection (int margin=RDEFAULT_MIN1)

virtual	~RGraphicsView ()

Protected Attributes
bool	antialiasing

bool	autoScalePatterns

QColor	backgroundColor

ColorMode	colorMode

RVector	currentStepOffset

double	currentStepScaleFactor
	Current scale factor caused by a pinch gesture.

bool	displayOnlyCurrentUcs
	True to only display entities within the horizontal slice that is defined by the current UCS.

bool	exporting

double	factor
	Scale factor from model coordinates to view coordinates.

bool	forceTextHeightThreshold

RGrid *	grid
	Grid that is currently displayed by this view or NULL.

int	gridVisible

bool	hairlineMinimumMode

bool	hairlineMode

RVector	lastKnownModelPosition

RVector	lastKnownScreenPosition

int	margin

RAction *	navigationAction
	The navigation action of this view or NULL if no navigation action has been set.

RVector	offset
	Offset of the zero point from the lower left corner of the view in model coordinates.

double	previousFactor

RVector	previousOffset

bool	printing

RVector	printPointSize

bool	printPreview

RGraphicsScene *	scene
	The scene this view is attached to.

int	textHeightThreshold

int	textHeightThresholdOverride

QList< RTextLabel >	textLabels
	Internal list of text labels that were added to this view.

int	viewportNumber

QWidget *	widget

Additional Inherited Members
Private Member Functions inherited from RNonCopyable
	RNonCopyable ()

virtual	~RNonCopyable ()

Detailed Description

Graphics view.

A graphics view displays a (part of a) graphics scene.

Scriptable:\nThis class is available in script environments.\n

Member Enumeration Documentation

◆ ColorMode

enum RGraphicsView::ColorMode

Enumerator
FullColor
GrayScale
BlackWhite

Constructor & Destructor Documentation

◆ RGraphicsView()

RGraphicsView::RGraphicsView ( RGraphicsScene * scene = NULL )

This file is part of the QCAD project.

QCAD is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

QCAD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with QCAD.

◆ ~RGraphicsView()

RGraphicsView::~RGraphicsView ( )

virtual

Member Function Documentation

◆ addTextLabel()

void RGraphicsView::addTextLabel ( const RTextLabel & textLabel )

◆ autoZoom()

void RGraphicsView::autoZoom	(	int	margin = RDEFAULT_MIN1,
		bool	ignoreEmpty = false,
		bool	ignoreLineweight = false )

◆ centerToBox()

void RGraphicsView::centerToBox ( const RBox & box )

virtual

Centers the view on the given box.

The view is updated.

Parameters

box	Box to move into the center of the drawing in model coordinates.

◆ centerToPoint()

void RGraphicsView::centerToPoint ( const RVector & point )

virtual

Centers the view on the given point.

The view is updated.

Parameters

point Point to move into the center of the drawing in model coordinates.

◆ clear()

void RGraphicsView::clear ( )

inline

◆ clearCaches()

void RGraphicsView::clearCaches ( )

◆ clearTextLabels()

void RGraphicsView::clearTextLabels ( )

◆ getAntialiasing()

bool RGraphicsView::getAntialiasing ( ) const

◆ getBackgroundColor()

QColor RGraphicsView::getBackgroundColor ( )

◆ getBox()

RBox RGraphicsView::getBox ( ) const

virtual

◆ getClosestEntity()

REntity::Id RGraphicsView::getClosestEntity	(	const RVector &	screenPosition,
		int	range,
		int	strictRange,
		bool	includeLockedLayers = true,
		bool	selectedOnly = false )

Finds the entity that is the closest to the given screen coordinate (in pixels).

Parameters

range Maximum distance in pixels.

Returns: The closest entity or NULL.

◆ getClosestReferencePoint() [1/2]

RRefPoint RGraphicsView::getClosestReferencePoint	(	const RVector &	screenPosition,
		int	range )

Finds the reference point that is the closest to the given screen coordinate (in pixels).

Parameters

range Maximum distance in pixels.

Returns: The closest referecene point in model coordinates.

◆ getClosestReferencePoint() [2/2]

RRefPoint RGraphicsView::getClosestReferencePoint	(	RObject::Id	entityId,
		const RVector &	screenPosition )

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

◆ getColorMode()

RGraphicsView::ColorMode RGraphicsView::getColorMode ( )

◆ getCurrentStepOffset()

RVector RGraphicsView::getCurrentStepOffset ( ) const

inline

◆ getCurrentStepScaleFactor()

double RGraphicsView::getCurrentStepScaleFactor ( ) const

inline

◆ getCursor()

virtual QCursor RGraphicsView::getCursor ( )

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ getDevicePixelRatio()

virtual double RGraphicsView::getDevicePixelRatio ( ) const

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ getDocument()

RDocument * RGraphicsView::getDocument ( ) const

Returns: Reference to the document that is visualized by this view.

◆ getDocumentInterface()

RDocumentInterface * RGraphicsView::getDocumentInterface ( ) const

Returns: Reference to the document interface.

◆ getFactor()

double RGraphicsView::getFactor ( bool includeStepFactor = true ) const

◆ getForceTextHeightThreshold()

bool RGraphicsView::getForceTextHeightThreshold ( ) const

inline

◆ getGrid()

RGrid * RGraphicsView::getGrid ( )

inline

Returns: Current grid or NULL if no grid is set.

◆ getHairlineMinimumMode()

bool RGraphicsView::getHairlineMinimumMode ( )

◆ getHairlineMode()

bool RGraphicsView::getHairlineMode ( )

◆ getHeight()

virtual int RGraphicsView::getHeight ( ) const

pure virtual

Returns: Height of the view in pixels.

Implemented in RGraphicsViewImage.

◆ getLastKnownMousePosition()

RVector RGraphicsView::getLastKnownMousePosition ( ) const

inline

◆ getMargin()

int RGraphicsView::getMargin ( )

◆ getMaximum()

RVector RGraphicsView::getMaximum ( ) const

virtual

Returns: The maximum coordinate that is currently visible in the view.

◆ getMinimum()

RVector RGraphicsView::getMinimum ( ) const

virtual

Returns: The minimum coordinate that is currently visible in the view.

◆ getOffset()

RVector RGraphicsView::getOffset ( bool includeStepOffset = true ) const

◆ getScene()

RGraphicsScene * RGraphicsView::getScene ( ) const

Returns: Reference to the graphics scene that is visualized by this view.

◆ getSignalsBlocked()

virtual bool RGraphicsView::getSignalsBlocked ( ) const

inlinevirtual

◆ getTextHeightThresholdOverride()

int RGraphicsView::getTextHeightThresholdOverride ( ) const

inline

◆ getTextLabels()

QList< RTextLabel > RGraphicsView::getTextLabels ( )

◆ getViewportNumber()

int RGraphicsView::getViewportNumber ( ) const

inline

◆ getWidget()

QWidget * RGraphicsView::getWidget ( ) const

inline

◆ getWidth()

virtual int RGraphicsView::getWidth ( ) const

pure virtual

Returns: Width of the view in pixels.

Implemented in RGraphicsViewImage.

◆ giveFocus()

virtual void RGraphicsView::giveFocus ( )

pure virtual

Implemented in RGraphicsViewImage.

◆ handleKeyPressEvent()

void RGraphicsView::handleKeyPressEvent ( QKeyEvent & event )

virtual

◆ handleKeyReleaseEvent()

void RGraphicsView::handleKeyReleaseEvent ( QKeyEvent & event )

virtual

◆ handleMouseDoubleClickEvent()

void RGraphicsView::handleMouseDoubleClickEvent ( RMouseEvent & event )

virtual

This should be called by the mouse double click event handler of a higher level GUI toolkit.

Events are forwarded to the scene and the navigation action that is attached to this view.

◆ handleMouseMoveEvent()

void RGraphicsView::handleMouseMoveEvent ( RMouseEvent & event )

virtual

This should be called by the mouse move event handler of a higher level GUI toolkit.

Events are forwarded to the scene and the navigation action that is attached to this view.

◆ handleMousePressEvent()

void RGraphicsView::handleMousePressEvent ( RMouseEvent & event )

virtual

This should be called by the mouse press event handler of a higher level GUI toolkit.

Events are forwarded to the scene and the navigation action that is attached to this view.

◆ handleMouseReleaseEvent()

void RGraphicsView::handleMouseReleaseEvent ( RMouseEvent & event )

virtual

This should be called by the mouse release event handler of a higher level GUI toolkit.

Events are forwarded to the scene and the navigation action that is attached to this view.

◆ handlePanGestureEvent()

void RGraphicsView::handlePanGestureEvent ( QPanGesture & gesture )

virtual

◆ handlePinchGestureEvent()

void RGraphicsView::handlePinchGestureEvent ( QPinchGesture & gesture )

virtual

◆ handleSwipeGestureEvent()

void RGraphicsView::handleSwipeGestureEvent ( QSwipeGesture & gesture )

virtual

◆ handleTabletEvent()

void RGraphicsView::handleTabletEvent ( RTabletEvent & event )

virtual

This should be called by the tablet event handler of a higher level GUI toolkit.

Events are forwarded to the scene and the navigation action that is attached to this view.

◆ handleTerminateEvent()

void RGraphicsView::handleTerminateEvent ( RTerminateEvent & event )

virtual

◆ handleWheelEvent()

void RGraphicsView::handleWheelEvent ( RWheelEvent & event )

virtual

This should be called by the mouse wheel event handler of a higher level GUI toolkit.

Events are forwarded to the scene and the navigation action that is attached to this view.

◆ hasFocus()

virtual bool RGraphicsView::hasFocus ( )

pure virtual

Returns: True if this view currently has the focus.

Implemented in RGraphicsViewImage.

◆ isActive()

virtual int RGraphicsView::isActive ( ) const

inlinevirtual

Returns: True if this view is considered to be active and needs updates (for example if a view is visible).

◆ isExporting()

bool RGraphicsView::isExporting ( ) const

◆ isGridVisible()

bool RGraphicsView::isGridVisible ( ) const

◆ isPathVisible()

bool RGraphicsView::isPathVisible ( const RPainterPath & path ) const

◆ isPrinting()

bool RGraphicsView::isPrinting ( ) const

◆ isPrintingOrExporting()

bool RGraphicsView::isPrintingOrExporting ( ) const

◆ isPrintPreview()

bool RGraphicsView::isPrintPreview ( ) const

◆ isShared()

virtual bool RGraphicsView::isShared ( ) const

inlinevirtual

Reimplementations may return true to prevent this view from being deleted.

Reimplemented in RGraphicsViewImage.

◆ mapCornersFromView()

QList< RVector > RGraphicsView::mapCornersFromView ( ) const

virtual

Returns: Four vectors with the coordinates of the four corners of the view mapped to scene coordinates.

◆ mapDistanceFromView()

virtual double RGraphicsView::mapDistanceFromView ( double d ) const

pure virtual

Maps the given view distance in pixels to a model distance.

If the view projection is not orthogonal the result is undefined.

Implemented in RGraphicsViewImage.

◆ mapDistanceToView()

virtual double RGraphicsView::mapDistanceToView ( double d ) const

pure virtual

Maps the given model distance to a screen distance in pixels.

If the view projection is not orthogonal the result is undefined.

Implemented in RGraphicsViewImage.

◆ mapFromView()

virtual RVector RGraphicsView::mapFromView	(	const RVector &	v,
		double	z = 0.0 ) const

pure virtual

Maps the given view coordinate in pixels to a model coordinate.

Parameters

v	view coordinate in pixels, v.z is always 0
z	known z coordinate in model units

Implemented in RGraphicsViewImage.

◆ mapToView() [1/2]

RBox RGraphicsView::mapToView ( const RBox & box ) const

virtual

Finds the entity that is the closest to the given screen coordinate (in pixels) and inside the current UCS (read floor).

Parameters

range Maximum distance in pixels.

Returns: The closest entity or NULL. Maps the given box (e.g. a 3d bounding box) to a 2d box in view coordinates (pixels).

◆ mapToView() [2/2]

virtual RVector RGraphicsView::mapToView ( const RVector & v ) const

pure virtual

Maps the given model coordinate to a view coordinate in pixels.

Implemented in RGraphicsViewImage.

◆ paintCursorLine()

virtual void RGraphicsView::paintCursorLine ( const RLine & )

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ paintGridLine()

virtual void RGraphicsView::paintGridLine ( const RLine & )

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ paintGridPoint()

virtual void RGraphicsView::paintGridPoint ( const RVector & )

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ paintGridPoints()

void RGraphicsView::paintGridPoints	(	const QVector< double > &	ucsPositionX,
		const QVector< double > &	ucsPositionY )

virtual

◆ pan()

void RGraphicsView::pan	(	const RVector &	delta,
		bool	regen = true )

virtual

Pans (scrolls) by the given amount delta which is a vector in screen coordinates (pixels).

◆ regenerate() [1/2]

virtual void RGraphicsView::regenerate ( bool force = false )

pure virtual

Regenerates the view to show the visible parts of the underlying scene.

This function is called after the entities have been modified or the view port changed after a zoom or pan or after the window has been resized.

Parameters

force True if scene has changed, don't use any optimizations, force regeneration.

Implemented in RGraphicsViewImage.

◆ regenerate() [2/2]

virtual void RGraphicsView::regenerate ( QSet< RObject::Id > & affectedEntities )

inlinevirtual

◆ registerForFocus()

virtual bool RGraphicsView::registerForFocus ( ) const

inlinevirtual

Reimplementations may return true to register this view and allow it to be returned by RDocumentInterface::getLastKnownViewWithFocus.

Reimplemented in RGraphicsViewImage.

◆ removeFocus()

virtual void RGraphicsView::removeFocus ( )

pure virtual

Implemented in RGraphicsViewImage.

◆ repaintView()

virtual void RGraphicsView::repaintView ( )

pure virtual

Repaints the view (widget, etc..).

This differs from regenerate in that it does not require the view to iterate through the scene elements. Instead for example a buffered bitmap might be drawn. This is for example called when the preview changes to restore the view before painting the preview on top of it.

Implemented in RGraphicsViewImage.

◆ restoreViewport()

void RGraphicsView::restoreViewport ( )

◆ saveViewport()

void RGraphicsView::saveViewport ( )

◆ setAntialiasing()

void RGraphicsView::setAntialiasing ( bool val )

◆ setBackgroundColor()

void RGraphicsView::setBackgroundColor ( const QColor & col )

virtual

Reimplemented in RGraphicsViewImage.

◆ setColorMode()

void RGraphicsView::setColorMode ( RGraphicsView::ColorMode cm )

◆ setCurrentStepOffset()

void RGraphicsView::setCurrentStepOffset ( const RVector & s )

inline

◆ setCurrentStepScaleFactor()

void RGraphicsView::setCurrentStepScaleFactor ( double f )

inline

◆ setCursor() [1/2]

virtual void RGraphicsView::setCursor ( const QCursor & )

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ setCursor() [2/2]

virtual void RGraphicsView::setCursor ( Qt::CursorShape )

inlinevirtual

Reimplemented in RGraphicsViewImage.

◆ setDisplayOnlyCurrentUcs()

void RGraphicsView::setDisplayOnlyCurrentUcs ( bool on )

If on is true, only the current UCS and the entities that are in its range are displayed.

The range of a UCS is defined by the length of its axis vectors. This can be used to display only one floor in an architecture application.

◆ setExporting()

void RGraphicsView::setExporting ( bool on )

◆ setFactor()

void RGraphicsView::setFactor	(	double	f,
		bool	regen = true )

◆ setForceTextHeightThreshold()

void RGraphicsView::setForceTextHeightThreshold ( bool on )

inline

◆ setGrid()

void RGraphicsView::setGrid ( RGrid * g )

Sets the current grid.

This graphics view takes ownership of the grid. The previous grid is deleted. Setting the grid to NULL disables the grid.

◆ setGridVisible()

void RGraphicsView::setGridVisible ( bool on )

◆ setHairlineMinimumMode()

void RGraphicsView::setHairlineMinimumMode ( bool on )

◆ setHairlineMode()

void RGraphicsView::setHairlineMode ( bool on )

◆ setMargin()

void RGraphicsView::setMargin ( int m )

◆ setNavigationAction()

void RGraphicsView::setNavigationAction ( RAction * action )

Sets an action object that is typically used to handle all navigation interaction (zooming, panning, ...).

All events that are received by this view are first sent to the graphics scene and then to this action if they were not consumed yet.

◆ setOffset()

void RGraphicsView::setOffset	(	const RVector &	offset,
		bool	regen = true )

◆ setPrinting()

void RGraphicsView::setPrinting ( bool on )

◆ setPrintPointSize()

void RGraphicsView::setPrintPointSize ( const RVector & s )

◆ setPrintPreview()

void RGraphicsView::setPrintPreview ( bool on )

◆ setScene()

void RGraphicsView::setScene	(	RGraphicsScene *	scene,
		bool	regen = true )

virtual

◆ setSignalsBlocked()

virtual void RGraphicsView::setSignalsBlocked ( bool on )

inlinevirtual

◆ setTextHeightThresholdOverride()

void RGraphicsView::setTextHeightThresholdOverride ( int v )

inline

◆ setViewportNumber()

void RGraphicsView::setViewportNumber ( int n )

◆ setWidget()

void RGraphicsView::setWidget ( QWidget * w )

inline

◆ simulateMouseMoveEvent()

void RGraphicsView::simulateMouseMoveEvent ( )

virtual

Reimplemented in RGraphicsViewImage.

◆ startPan()

void RGraphicsView::startPan ( )

◆ updateTextHeightThreshold()

void RGraphicsView::updateTextHeightThreshold ( )

◆ viewportChangeEvent()

void RGraphicsView::viewportChangeEvent ( )

virtual

Reimplemented in RGraphicsViewImage.

◆ zoom()

void RGraphicsView::zoom	(	const RVector &	center,
		double	factor )

virtual

Zooms in / out by the given factor towards / from the given center in scene coordinates.

◆ zoomIn() [1/2]

void RGraphicsView::zoomIn ( )

Zooms in by factor 1.2.

The center point is at the center of the view.

◆ zoomIn() [2/2]

void RGraphicsView::zoomIn	(	const RVector &	center,
		double	factor = 1.2 )

Zooms in by factor 1.2.

The given center point stays at the same position.

◆ zoomOut() [1/2]

void RGraphicsView::zoomOut ( )

Zooms out by factor 1.2.

The center point is at the center of the view.

◆ zoomOut() [2/2]

void RGraphicsView::zoomOut	(	const RVector &	center,
		double	factor = 1.2 )

Zooms out by factor 1.0/1.2.

The given center point stays at the same position.

◆ zoomPrevious()

void RGraphicsView::zoomPrevious ( )

◆ zoomTo()

void RGraphicsView::zoomTo	(	const RBox &	window,
		int	margin = 0 )

virtual

Zooms the view in a way that the given window is visible and fills the view.

The view is updated.

◆ zoomToEntities()

bool RGraphicsView::zoomToEntities	(	const QSet< RObject::Id > &	ids,
		int	margin = RDEFAULT_MIN1 )

◆ zoomToSelection()

bool RGraphicsView::zoomToSelection ( int margin = RDEFAULT_MIN1 )

Member Data Documentation

◆ antialiasing

bool RGraphicsView::antialiasing

protected

◆ autoScalePatterns

bool RGraphicsView::autoScalePatterns

protected

◆ backgroundColor

QColor RGraphicsView::backgroundColor

protected

◆ colorMode

ColorMode RGraphicsView::colorMode

protected

◆ currentStepOffset

RVector RGraphicsView::currentStepOffset

protected

◆ currentStepScaleFactor

double RGraphicsView::currentStepScaleFactor

protected

Current scale factor caused by a pinch gesture.

◆ displayOnlyCurrentUcs

bool RGraphicsView::displayOnlyCurrentUcs

protected

True to only display entities within the horizontal slice that is defined by the current UCS.

◆ exporting

bool RGraphicsView::exporting

protected

◆ factor

double RGraphicsView::factor

protected

Scale factor from model coordinates to view coordinates.

◆ forceTextHeightThreshold

bool RGraphicsView::forceTextHeightThreshold

protected

◆ grid

RGrid* RGraphicsView::grid

protected

Grid that is currently displayed by this view or NULL.

◆ gridVisible

int RGraphicsView::gridVisible

mutableprotected

◆ hairlineMinimumMode

bool RGraphicsView::hairlineMinimumMode

protected

◆ hairlineMode

bool RGraphicsView::hairlineMode

protected

◆ lastKnownModelPosition

RVector RGraphicsView::lastKnownModelPosition

protected

◆ lastKnownScreenPosition

RVector RGraphicsView::lastKnownScreenPosition

protected

◆ margin

int RGraphicsView::margin

protected

◆ navigationAction

RAction* RGraphicsView::navigationAction

protected

The navigation action of this view or NULL if no navigation action has been set.

◆ offset

RVector RGraphicsView::offset

protected

Offset of the zero point from the lower left corner of the view in model coordinates.

◆ previousFactor

double RGraphicsView::previousFactor

protected

◆ previousOffset

RVector RGraphicsView::previousOffset

protected

◆ printing

bool RGraphicsView::printing

protected

◆ printPointSize

RVector RGraphicsView::printPointSize

protected

◆ printPreview

bool RGraphicsView::printPreview

protected

◆ scene

RGraphicsScene* RGraphicsView::scene

protected

The scene this view is attached to.

◆ textHeightThreshold

int RGraphicsView::textHeightThreshold

protected

◆ textHeightThresholdOverride

int RGraphicsView::textHeightThresholdOverride

protected

◆ textLabels

QList<RTextLabel> RGraphicsView::textLabels

protected

Internal list of text labels that were added to this view.

◆ viewportNumber

int RGraphicsView::viewportNumber

protected

◆ widget

QWidget* RGraphicsView::widget

protected

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

src/core/RGraphicsView.h
src/core/RGraphicsView.cpp

Public Types

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ColorMode

Constructor & Destructor Documentation

◆ RGraphicsView()

◆ ~RGraphicsView()

Member Function Documentation

◆ addTextLabel()

◆ autoZoom()

◆ centerToBox()

◆ centerToPoint()

◆ clear()

◆ clearCaches()

◆ clearTextLabels()

◆ getAntialiasing()

◆ getBackgroundColor()

◆ getBox()

◆ getClosestEntity()

◆ getClosestReferencePoint() [1/2]

◆ getClosestReferencePoint() [2/2]

◆ getColorMode()

◆ getCurrentStepOffset()

◆ getCurrentStepScaleFactor()

◆ getCursor()

◆ getDevicePixelRatio()

◆ getDocument()

◆ getDocumentInterface()

◆ getFactor()

◆ getForceTextHeightThreshold()

◆ getGrid()

◆ getHairlineMinimumMode()

◆ getHairlineMode()

◆ getHeight()

◆ getLastKnownMousePosition()

◆ getMargin()

◆ getMaximum()

◆ getMinimum()

◆ getOffset()

◆ getScene()

◆ getSignalsBlocked()

◆ getTextHeightThresholdOverride()

◆ getTextLabels()

◆ getViewportNumber()

◆ getWidget()

◆ getWidth()

◆ giveFocus()

◆ handleKeyPressEvent()

◆ handleKeyReleaseEvent()

◆ handleMouseDoubleClickEvent()

◆ handleMouseMoveEvent()

◆ handleMousePressEvent()

◆ handleMouseReleaseEvent()

◆ handlePanGestureEvent()

◆ handlePinchGestureEvent()

◆ handleSwipeGestureEvent()

◆ handleTabletEvent()

◆ handleTerminateEvent()

◆ handleWheelEvent()

◆ hasFocus()

◆ isActive()

◆ isExporting()

◆ isGridVisible()

◆ isPathVisible()

◆ isPrinting()

◆ isPrintingOrExporting()

◆ isPrintPreview()

◆ isShared()

◆ mapCornersFromView()

◆ mapDistanceFromView()

◆ mapDistanceToView()

◆ mapFromView()

◆ mapToView() [1/2]

◆ mapToView() [2/2]

◆ paintCursorLine()

◆ paintGridLine()

◆ paintGridPoint()