RGraphicsView

Class in Core Module
Header: #include <src/core/RGraphicsView.h>
Inherits: RNonCopyable (private)
Inherited by: RGraphicsViewImage

Description

Graphics view.

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

Scriptable: This class is available in script environments.

Public Types

enum	ColorMode { FullColor, GrayScale, BlackWhite }

Public Functions

	RGraphicsView(RGraphicsScene *scene=NULL)
virtual	~RGraphicsView()
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
virtual QImage	getBuffer() const getBuffer
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 = 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 = 0
virtual void	giveFocus()=0 = 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 = 0
void	invalidateLastKnownPositions() Forgets the positions of the last mouse event.
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 = 0 Maps the given view distance in pixels to a model distance.
virtual double	mapDistanceToView(double d) const =0 = 0 Maps the given model distance to a screen distance in pixels.
virtual RVector	mapFromView(const RVector &v, double z=0.0) const =0 = 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 = 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 = 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 = 0
virtual void	repaintView()=0 = 0 Repaints the view (widget, etc..).
void	restoreViewport()
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)

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

Member Documentation

ColorMode

enum ColorMode

Value	Description
FullColor
GrayScale
BlackWhite

RGraphicsView

RGraphicsView::RGraphicsView(RGraphicsScene *scene=NULL)

All rights reserved.

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

virtual RGraphicsView::~RGraphicsView()

virtual

addTextLabel

void RGraphicsView::addTextLabel(const RTextLabel &textLabel)

autoZoom

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

centerToBox

virtual 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

virtual 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

const

getBackgroundColor

QColor RGraphicsView::getBackgroundColor()

getBox

virtual RBox RGraphicsView::getBox() const

virtual const

getBuffer

virtual QImage RGraphicsView::getBuffer() const

virtual inline const

getBuffer

Returns: Buffer to rendered graphics view, if supported by the implementation.

Reimplemented in getBuffer.

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

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

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 const

getCurrentStepScaleFactor

double RGraphicsView::getCurrentStepScaleFactor() const

inline const

getCursor

virtual QCursor RGraphicsView::getCursor()

virtual inline

Reimplemented in getCursor.

getDevicePixelRatio

virtual double RGraphicsView::getDevicePixelRatio() const

virtual inline const

Reimplemented in getDevicePixelRatio.

getDocument

RDocument * RGraphicsView::getDocument() const

const

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

getDocumentInterface

RDocumentInterface * RGraphicsView::getDocumentInterface() const

const

Returns: Reference to the document interface.

getFactor

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

const

getForceTextHeightThreshold

bool RGraphicsView::getForceTextHeightThreshold() const

inline const

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 =0 = 0

pure virtual const

Returns: Height of the view in pixels.

Reimplemented in getHeight.

getLastKnownMousePosition

RVector RGraphicsView::getLastKnownMousePosition() const

inline const

getMargin

int RGraphicsView::getMargin()

getMaximum

virtual RVector RGraphicsView::getMaximum() const

virtual const

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

getMinimum

virtual RVector RGraphicsView::getMinimum() const

virtual const

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

getOffset

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

const

getScene

RGraphicsScene * RGraphicsView::getScene() const

const

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

getSignalsBlocked

virtual bool RGraphicsView::getSignalsBlocked() const

virtual inline const

getTextHeightThresholdOverride

int RGraphicsView::getTextHeightThresholdOverride() const

inline const

getTextLabels

QList< RTextLabel > RGraphicsView::getTextLabels()

getViewportNumber

int RGraphicsView::getViewportNumber() const

inline const

getWidget

QWidget * RGraphicsView::getWidget() const

inline const

getWidth

virtual int RGraphicsView::getWidth() const =0 = 0

pure virtual const

Returns: Width of the view in pixels.

Reimplemented in getWidth.

giveFocus

virtual void RGraphicsView::giveFocus()=0 = 0

pure virtual

Reimplemented in giveFocus.

handleKeyPressEvent

virtual void RGraphicsView::handleKeyPressEvent(QKeyEvent &event)

virtual

handleKeyReleaseEvent

virtual void RGraphicsView::handleKeyReleaseEvent(QKeyEvent &event)

virtual

handleMouseDoubleClickEvent

virtual 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

virtual 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

virtual 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

virtual 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

virtual void RGraphicsView::handlePanGestureEvent(QPanGesture &gesture)

virtual

handlePinchGestureEvent

virtual void RGraphicsView::handlePinchGestureEvent(QPinchGesture &gesture)

virtual

handleSwipeGestureEvent

virtual void RGraphicsView::handleSwipeGestureEvent(QSwipeGesture &gesture)

virtual

handleTabletEvent

virtual 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

virtual void RGraphicsView::handleTerminateEvent(RTerminateEvent &event)

virtual

handleWheelEvent

virtual 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()=0 = 0

pure virtual

Returns: True if this view currently has the focus.

Reimplemented in hasFocus.

invalidateLastKnownPositions

void RGraphicsView::invalidateLastKnownPositions()

inline

Forgets the positions of the last mouse event.

Called when the current block of the document changes: the model position was captured in the coordinate system of the previous block and the screen position refers to its (possibly different) transformation, so simulateMouseMoveEvent must not replay them in the new block (the entity next to the stale position was highlighted after returning from a block to the model space). Nothing is simulated until the next real mouse move.

isActive

virtual int RGraphicsView::isActive() const

virtual inline const

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

const

isGridVisible

bool RGraphicsView::isGridVisible() const

const

isPathVisible

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

const

isPrinting

bool RGraphicsView::isPrinting() const

const

isPrintingOrExporting

bool RGraphicsView::isPrintingOrExporting() const

const

isPrintPreview

bool RGraphicsView::isPrintPreview() const

const

isShared

virtual bool RGraphicsView::isShared() const

virtual inline const

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

Reimplemented in isShared.

mapCornersFromView

virtual QList< RVector > RGraphicsView::mapCornersFromView() const

virtual const

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 =0 = 0

pure virtual const

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

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

Reimplemented in mapDistanceFromView.

mapDistanceToView

virtual double RGraphicsView::mapDistanceToView(double d) const =0 = 0

pure virtual const

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

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

Reimplemented in mapDistanceToView.

mapFromView

virtual RVector RGraphicsView::mapFromView(const RVector &v, double z=0.0) const =0 = 0

pure virtual const

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

Reimplemented in mapFromView.

mapToView

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

virtual const

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

virtual RVector RGraphicsView::mapToView(const RVector &v) const =0 = 0

pure virtual const

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

Reimplemented in mapToView.

paintCursorLine

virtual void RGraphicsView::paintCursorLine(const RLine &)

virtual inline

Reimplemented in paintCursorLine.

paintGridLine

virtual void RGraphicsView::paintGridLine(const RLine &)

virtual inline

Reimplemented in paintGridLine.

paintGridPoint

virtual void RGraphicsView::paintGridPoint(const RVector &)

virtual inline

Reimplemented in paintGridPoint.

paintGridPoints

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

virtual

pan

virtual 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

virtual void RGraphicsView::regenerate(bool force=false)=0 = 0

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.

Reimplemented in regenerate.

regenerate

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

virtual inline

registerForFocus

virtual bool RGraphicsView::registerForFocus() const

virtual inline const

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

Reimplemented in registerForFocus.

removeFocus

virtual void RGraphicsView::removeFocus()=0 = 0

pure virtual

Reimplemented in removeFocus.

repaintView

virtual void RGraphicsView::repaintView()=0 = 0

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.

Reimplemented in repaintView.

restoreViewport

void RGraphicsView::restoreViewport()

saveViewport

void RGraphicsView::saveViewport()

setAntialiasing

void RGraphicsView::setAntialiasing(bool val)

setBackgroundColor

virtual void RGraphicsView::setBackgroundColor(const QColor &col)

virtual

Reimplemented in setBackgroundColor.

setColorMode

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

setCurrentStepOffset

void RGraphicsView::setCurrentStepOffset(const RVector &s)

inline

setCurrentStepScaleFactor

void RGraphicsView::setCurrentStepScaleFactor(double f)

inline

setCursor

virtual void RGraphicsView::setCursor(const QCursor &)

virtual inline

Reimplemented in setCursor.

setCursor

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

virtual inline

Reimplemented in setCursor.

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

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

virtual

setSignalsBlocked

virtual void RGraphicsView::setSignalsBlocked(bool on)

virtual inline

setTextHeightThresholdOverride

void RGraphicsView::setTextHeightThresholdOverride(int v)

inline

setViewportNumber

void RGraphicsView::setViewportNumber(int n)

setWidget

void RGraphicsView::setWidget(QWidget *w)

inline

simulateMouseMoveEvent

virtual void RGraphicsView::simulateMouseMoveEvent()

virtual

Reimplemented in simulateMouseMoveEvent.

startPan

void RGraphicsView::startPan()

updateTextHeightThreshold

void RGraphicsView::updateTextHeightThreshold()

viewportChangeEvent

virtual void RGraphicsView::viewportChangeEvent()

virtual

Reimplemented in viewportChangeEvent.

zoom

virtual 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

void RGraphicsView::zoomIn()

Zooms in by factor 1.2.

The center point is at the center of the view.

zoomIn

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

void RGraphicsView::zoomOut()

Zooms out by factor 1.2.

The center point is at the center of the view.

zoomOut

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

virtual 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)

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

protected

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