RGraphicsSceneQt Class Reference

Qt based 2d graphics scene. More...

#include <RGraphicsSceneQt.h>

Inheritance diagram for RGraphicsSceneQt:

List of all members.

Public Member Functions
void	addPath (REntity::Id entityId, const RPainterPath &path, bool draft)
void	addToPreview (const QList< RPainterPath > &painterPaths)
void	addToPreview (const RPainterPath &painterPath)
bool	beginPath ()
	Starts a new painter path to export geometry into.
virtual void	clearPreview ()
	Clears the preview.
void	deletePainterPaths ()
virtual void	dump ()
void	endPath ()
virtual void	exportArc (const RArc &arc, double offset=RNANDOUBLE)
virtual void	exportArcSegment (const RArc &arc)
virtual void	exportEllipse (const REllipse &ellipse, double offset=RNANDOUBLE)
	Exports an ellipse with the current attributes.
virtual void	exportImage (const RImageData &image)
virtual void	exportLine (const RLine &line, double offset=RNANDOUBLE)
	Exports a line with the current attributes.
virtual void	exportLineSegment (const RLine &line)
	Exports a line segment (a line without pattern).
virtual void	exportPainterPaths (const QList< RPainterPath > &paths)
virtual void	exportPainterPathSource (const RPainterPathSource &pathSource)
virtual void	exportPoint (const RPoint &point)
	Exports a point with the current attributes.
virtual void	exportPolyline (const RPolyline &polyline, double offset=RNANDOUBLE)
virtual void	exportRectangle (const RVector &p1, const RVector &p2)
	Exports a rectangle with the current attributes.
virtual void	exportSpline (const RSpline &spline, double offset=RNANDOUBLE)
virtual void	exportTriangle (const RTriangle &triangle)
	Exports a triangle with the current attributes.
RGraphicsViewImage *	getGraphicsView ()
RImageData	getImage (REntity::Id entityId)
QList< RPainterPath >	getPainterPaths (REntity::Id entityId)
virtual double	getPatternFactor ()
QList< RPainterPath >	getPreviewPainterPaths ()
bool	hasImageFor (REntity::Id entityId)
virtual void	highlightEntity (REntity &entity)
	Highlights the given entity.
	RGraphicsSceneQt (RDocumentInterface &documentInterface)
virtual void	startEntity (bool topLevelEntity)
virtual void	unexportEntity (REntity::Id entityId)
	This is called for entities for which an export was requested but which cannot be instantiated because they either do not exist (anymore) in the DB or they are currently undone.
virtual	~RGraphicsSceneQt ()
Public Member Functions inherited from RGraphicsScene
virtual void	beginPreview ()
virtual void	endPreview ()
virtual void	exportCurrentEntity (bool preview=false)
	The default implementation calls the REntity::exportEntity() function of the entity.
virtual bool	exportDocumentSettings ()
	Override for performance reasons, we don't need settings to be exported for graphics scenes.
RDocumentInterface &	getDocumentInterface ()
QList< RGraphicsView * >	getGraphicsViews ()
RVector	getHighlightedReferencePoint ()
QMultiMap< REntity::Id, RVector > &	getReferencePoints ()
void	handleKeyPressEvent (QKeyEvent &event)
void	handleKeyReleaseEvent (QKeyEvent &event)
void	handleMouseDoubleClickEvent (RMouseEvent &event)
	Forwards the given mouse event to the document interface.
void	handleMouseMoveEvent (RMouseEvent &event)
	Forwards the given mouse event to the document interface.
void	handleMousePressEvent (RMouseEvent &event)
	Forwards the given mouse event to the document interface.
void	handleMouseReleaseEvent (RMouseEvent &event)
	Forwards the given mouse event to the document interface.
void	handlePanGestureEvent (QPanGesture &gesture)
	Forwards the given gesture to the document interface.
void	handlePinchGestureEvent (QPinchGesture &gesture)
	Forwards the given gesture to the document interface.
void	handleSwipeGestureEvent (QSwipeGesture &gesture)
	Forwards the given gesture to the document interface.
void	handleTabletEvent (RTabletEvent &event)
	Forwards the given tablet event to the document interface.
void	handleTerminateEvent (RTerminateEvent &event)
void	handleWheelEvent (RWheelEvent &event)
	Forwards the given mouse event to the document interface.
bool	hasDraftView () const
bool	hasNormalView () const
virtual void	highlightReferencePoint (const RVector &position)
	Highlights the reference point at the given position.
virtual bool	isPreviewEmpty ()
virtual void	regenerate (bool undone=false)
	Regenerates this scene from the entity data by exporting the whole document into it.
virtual void	regenerate (QSet< REntity::Id > &affectedEntities, bool updateViews)
	Regenerates part of this scene from the entity data by exporting the given entities into it.
virtual void	regenerateViews (bool force=false)
	Regenerates all views attached to this scene.
virtual void	registerView (RGraphicsView *view, bool regen=true)
	Registers a view with this scene.
virtual void	repaintViews ()
	Repaints all views attached to this scene.
	RGraphicsScene (RDocumentInterface &documentInterface)
virtual void	setCursor (const QCursor &cursor)
virtual void	unregisterView (RGraphicsView *view)
	Removes the given view from this scene.
void	updateDraftStatus (bool regen=true)
	Called when a view changes its draft mode status or a new view is added.
virtual	~RGraphicsScene ()
Public Member Functions inherited from RExporter
virtual void	endEntity ()
virtual void	endExport ()
	Called at the end of a completed export.
virtual void	exportBlock (RBlock &)
virtual void	exportBlock (RBlock::Id blockId)
virtual void	exportBlocks ()
virtual void	exportBoundingBoxPaths (const QList< RPainterPath > &paths)
virtual void	exportBox (const RBox &box)
	Exports the surfaces of the given box.
virtual void	exportCircle (const RCircle &circle)
	Exports a circle with the current attributes.
virtual bool	exportDocument ()
	Exports the visual representation of all objects (including entities) of the document->
virtual void	exportDocumentSetting (const QString &, const QVariant &)
virtual void	exportEntities (bool allBlocks=true, bool undone=false)
virtual void	exportEntities (const RBox &box)
	Exports the visual representation of all entities that are completely or partly inside the given area.
virtual void	exportEntities (QSet< REntity::Id > &entityIds, bool allBlocks=true)
	Calls exportEntity() for all given entities.
virtual void	exportEntity (REntity &e, bool preview=false, bool allBlocks=true)
	Sets the current entity to the given entity and calls exportEntity().
virtual void	exportEntity (REntity::Id entityId, bool allBlocks=true)
	Calls exportEntity(REntity*) for the entity with the given ID.
virtual void	exportExplodable (const RExplodable &explodable, double offset=RNANDOUBLE)
virtual void	exportLayer (RLayer &)
virtual void	exportLayer (RLayer::Id layerId)
virtual void	exportLayers ()
virtual void	exportLinetype (RLinetype &)
virtual void	exportLinetypes ()
virtual void	exportQuad (const RVector &p1, const RVector &p2, const RVector &p3, const RVector &p4)
	Exports a quadrilateral with the current attributes.
virtual void	exportShape (QSharedPointer< RShape > shape)
	Exports the given shapes as part of the geometry of the current entity.
virtual void	exportShapes (const QList< QSharedPointer< RShape > > &shapes)
	Exports the given shapes as part of the geometry of the current entity.
virtual void	exportTrialEntities ()
virtual void	exportVerticalQuad (const RVector &p1, const RVector &p2, double height)
	Exports a vertical quadrilateral with the two given base points and the given height.
virtual void	exportView (RView &)
virtual void	exportView (RView::Id viewId)
virtual void	exportViews ()
virtual REntity *	getBlockRefOrEntity ()
virtual QBrush	getBrush (const RPainterPath &path)
virtual QBrush	getBrush ()
RDocument &	getDocument () const
bool	getDraftMode () const
virtual REntity *	getEntity ()
	Sets the current export color for entities.
virtual const REntity *	getEntity () const
QStack< REntity * >	getEntityStack ()
QString	getErrorMessage () const
RLinetypePattern	getLinetypePattern ()
double	getPatternOffset (double length, const RLinetypePattern &pattern)
double	getPatternOffset (double length, const RLinetypePattern &pattern, int index, double *gap=NULL)
virtual QPen	getPen (const RPainterPath &path)
virtual QPen	getPen ()
RS::ProjectionRenderingHint	getProjectionRenderingHint ()
virtual bool	isEntitySelected ()
bool	isVisualExporter () const
	RExporter ()
	RExporter (RDocument &document)
void	setBlockSource (RDocument *bs)
virtual void	setBrush (const QBrush &brush)
virtual void	setBrushStyle (Qt::BrushStyle brushStyle)
virtual void	setColor (float r, float g, float b, float a=1.0f)
	Sets the current export color in RGB and Alpha.
virtual void	setColor (const RColor &color)
virtual void	setDashPattern (const QVector< qreal > &dashes)
void	setDraftMode (bool on)
virtual void	setEntityAttributes ()
void	setLayerSource (RDocument *ls)
virtual void	setLinetypeId (RLinetype::Id ltId)
virtual void	setLinetypePattern (const RLinetypePattern &ltPattern)
virtual void	setLineweight (RLineweight::Lineweight weight)
virtual void	setPen (const QPen &pen)
	Sets the current pen (currentPen).
void	setProjectionRenderingHint (RS::ProjectionRenderingHint p)
	Sets a rendering hint for the current projection used for exports.
virtual void	setStyle (Qt::PenStyle penStyle)
void	setVisualExporter (bool on)
virtual void	startExport ()
	Called to start a new, complete export.
virtual	~RExporter ()

Private Attributes
RPainterPath	currentPainterPath
RPainterPath	currentPainterPathDraft
QMap< REntity::Id, RImageData >	images
QMap< REntity::Id, QList < RPainterPath > >	painterPaths
QMap< REntity::Id, QList < RPainterPath > >	painterPathsDraft
QList< RPainterPath >	previewPainterPaths

Friends
QDebug	operator<< (QDebug dbg, RGraphicsSceneQt &gs)
	Stream operator for QDebug.

Additional Inherited Members
Protected Member Functions inherited from RGraphicsScene
virtual void	exportReferencePoints ()
	Adds the reference points of the entity that is currently being exported to the internal referencePoints map.
Protected Attributes inherited from RGraphicsScene
RDocumentInterface &	documentInterface
bool	exportToPreview
RVector	highlightedReferencePoint
bool	previewIsEmpty
QMultiMap< REntity::Id, RVector >	referencePoints
	Internal map of reference points for every selected entity in the scene.
QList< RGraphicsView * >	views
Protected Attributes inherited from RExporter
QStack< RBlockReferenceEntity * >	blockRefStack
RDocument *	blockSource
QBrush	currentBrush
RLayer *	currentLayer
RLinetypePattern	currentLinetypePattern
QPen	currentPen
RDocument *	document
bool	draftMode
QStack< REntity * >	entityStack
QString	errorMessage
RDocument *	layerSource
bool	visualExporter

---

Detailed Description

Qt based 2d graphics scene.

This graphics scene is an exporter that exports entities into QPainterPaths (2d).

graphics views.

Scriptable:

This class is wrapped for script environments.

---

Constructor & Destructor Documentation

RGraphicsSceneQt::RGraphicsSceneQt

(

RDocumentInterface &

documentInterface

)

RGraphicsSceneQt::~RGraphicsSceneQt ( )

virtual

---

Member Function Documentation

void RGraphicsSceneQt::addPath	(	REntity::Id	entityId,
		const RPainterPath &	path,
		bool	draft
	)

void RGraphicsSceneQt::addToPreview

(

const QList< RPainterPath > &

painterPaths

)

void RGraphicsSceneQt::addToPreview

(

const RPainterPath &

painterPath

)

bool RGraphicsSceneQt::beginPath

(

)

Starts a new painter path to export geometry into.

Returns:

True if a path has been created, false if there is already a valid path.

void RGraphicsSceneQt::clearPreview ( )

virtual

Clears the preview.

Reimplemented from RGraphicsScene.

void RGraphicsSceneQt::deletePainterPaths

(

)

virtual void RGraphicsSceneQt::dump ( )

inlinevirtual

Reimplemented from RGraphicsScene.

void RGraphicsSceneQt::endPath

(

)

void RGraphicsSceneQt::exportArc ( const RArc &  arc, double  offset = RNANDOUBLE  )

virtual

Reimplemented from RExporter.

void RGraphicsSceneQt::exportArcSegment ( const RArc &  arc )

virtual

Implements RExporter.

void RGraphicsSceneQt::exportEllipse ( const REllipse &  ellipse, double  offset = RNANDOUBLE  )

virtual

Exports an ellipse with the current attributes.

Todo:

switch from line based interpolation to arcs.

Reimplemented from RExporter.

void RGraphicsSceneQt::exportImage ( const RImageData &  image )

virtual

Reimplemented from RExporter.

void RGraphicsSceneQt::exportLine ( const RLine &  line, double  offset = RNANDOUBLE  )

virtual

Exports a line with the current attributes.

Reimplemented from RExporter.

void RGraphicsSceneQt::exportLineSegment ( const RLine &  line )

virtual

Exports a line segment (a line without pattern).

This is called from the standard implementation of exportLine for every dash in a dashed line.

Implements RExporter.

void RGraphicsSceneQt::exportPainterPaths ( const QList< RPainterPath > &  paths )

virtual

Reimplemented from RExporter.

void RGraphicsSceneQt::exportPainterPathSource ( const RPainterPathSource &  pathSource )

virtual

   \par Non-Scriptable:

This function is not available in script environments.

Reimplemented from RExporter.

void RGraphicsSceneQt::exportPoint ( const RPoint &  point )

virtual

Exports a point with the current attributes.

Implements RExporter.

void RGraphicsSceneQt::exportPolyline ( const RPolyline &  polyline, double  offset = RNANDOUBLE  )

virtual

Reimplemented from RExporter.

void RGraphicsSceneQt::exportRectangle ( const RVector &  p1, const RVector &  p2  )

virtual

Exports a rectangle with the current attributes.

This is a convenience function that exports two triangles but may also be re-implemented to do something else.

Reimplemented from RExporter.

void RGraphicsSceneQt::exportSpline ( const RSpline &  spline, double  offset = RNANDOUBLE  )

virtual

Reimplemented from RExporter.

void RGraphicsSceneQt::exportTriangle ( const RTriangle &  triangle )

virtual

Exports a triangle with the current attributes.

Implements RExporter.

RGraphicsViewImage * RGraphicsSceneQt::getGraphicsView

(

)

RImageData RGraphicsSceneQt::getImage

(

REntity::Id

entityId

)

QList< RPainterPath > RGraphicsSceneQt::getPainterPaths

(

REntity::Id

entityId

)

Returns:

A list of all painter paths that represent the entity with the given ID.

double RGraphicsSceneQt::getPatternFactor ( )

virtual

Returns:

Pattern scale factor with scale applied if we are printing.

Reimplemented from RExporter.

QList< RPainterPath > RGraphicsSceneQt::getPreviewPainterPaths

(

)

bool RGraphicsSceneQt::hasImageFor

(

REntity::Id

entityId

)

void RGraphicsSceneQt::highlightEntity ( REntity &  entity )

virtual

Highlights the given entity.

This is typically used to highlight entities when the mouse hovers over them.

Implements RGraphicsScene.

void RGraphicsSceneQt::startEntity ( bool  topLevelEntity )

virtual

Reimplemented from RExporter.

void RGraphicsSceneQt::unexportEntity ( REntity::Id  entityId )

virtual

This is called for entities for which an export was requested but which cannot be instantiated because they either do not exist (anymore) in the DB or they are currently undone.

Reimplemented from RGraphicsScene.

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Friends And Related Function Documentation

QDebug operator<< ( QDebug  dbg, RGraphicsSceneQt &  gs  )

friend

Stream operator for QDebug.

   \par Non-Scriptable:

This function is not available in script environments.

---

Member Data Documentation

RPainterPath RGraphicsSceneQt::currentPainterPath

private

RPainterPath RGraphicsSceneQt::currentPainterPathDraft

private

QMap<REntity::Id, RImageData> RGraphicsSceneQt::images

private

QMap<REntity::Id, QList<RPainterPath> > RGraphicsSceneQt::painterPaths

private

QMap<REntity::Id, QList<RPainterPath> > RGraphicsSceneQt::painterPathsDraft

private

QList<RPainterPath> RGraphicsSceneQt::previewPainterPaths

private

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

• src/gui/RGraphicsSceneQt.h
• src/gui/RGraphicsSceneQt.cpp