RS_Entity Class Reference

Base class for an entity (line, arc, circle, . More...

#include <rs_entity.h>

Inheritance diagram for RS_Entity:

List of all members.

Public Member Functions
	RS_Entity (RS_EntityContainer *parent=NULL)
	Default constructor.
virtual	~RS_Entity ()
	Destructor.
void	init ()
	Initialisation.
virtual void	initId ()
	Gives this entity a new unique id.
virtual RS_Entity *	clone ()=0
virtual void	copyPropertiesFrom (RS_Entity *e)
virtual void	reparent (RS_EntityContainer *parent)
void	resetBorders ()
	Resets the borders of this element.
virtual RS2::EntityType	rtti () const
	Must be overwritten to return the rtti of this entity (e.g.
virtual RS2::UndoableType	undoRtti () const
	Identify all entities as undoable entities.
unsigned long int	getId () const
virtual int	count ()=0
	This method must be overwritten in subclasses and return the number of atomic entities in this entity.
virtual int	countDeep ()=0
	This method must be overwritten in subclasses and return the number of atomic entities in this entity including sub containers.
virtual double	getLength ()
	Implementations must return the total length of the entity or a negative number if the entity has no length (e.g.
RS_EntityContainer *	getParent () const
void	setParent (RS_EntityContainer *p)
	Reparents this entity.
RS_Graphic *	getGraphic ()
RS_Block *	getBlock ()
RS_Insert *	getInsert ()
RS_Entity *	getBlockOrInsert ()
RS_Document *	getDocument ()
void	setLayer (const RS_String &name)
	Sets the layer of this entity to the layer with the given name.
void	setLayer (RS_Layer *l)
	Sets the layer of this entity to the layer given.
void	setLayerToActive ()
	Sets the layer of this entity to the current layer of the graphic this entity is in.
RS_Layer *	getLayer (bool resolve=true) const
	Returns a pointer to the layer this entity is on or NULL.
void	setPen (const RS_Pen &pen)
	Sets the explicit pen for this entity or a pen with special attributes such as BY_LAYER, .
void	setPenToActive ()
	Sets the pen of this entity to the current pen of the graphic this entity is in.
RS_Pen	getPen (bool resolve=true) const
	Gets the pen needed to draw this entity.
virtual bool	isContainer () const =0
	Must be overwritten to return true if an entity type is a container for other entities (e.g.
virtual bool	isAtomic () const =0
	Must be overwritten to return true if an entity type is an atomic entity.
virtual bool	isEdge () const
	Must be overwritten to return true if an entity type is a potential edge entity of a contour.
virtual bool	isDocument () const
virtual bool	setSelected (bool select)
	Selects or deselects this entity.
virtual bool	toggleSelected ()
	Toggles select on this entity.
virtual bool	isSelected () const
virtual bool	isParentSelected ()
virtual bool	isProcessed () const
virtual void	setProcessed (bool on)
	Sets or resets the processed flag of this entity.
virtual bool	isInWindow (const RS_Vector &v1, const RS_Vector &v2)
virtual bool	hasEndpointsWithinWindow (const RS_Vector &, const RS_Vector &)
virtual bool	isVisible ()
	Is this entity visible?
virtual void	setVisible (bool v)
virtual void	setHighlighted (bool on)
	Sets the highlight status of the entity.
virtual bool	isHighlighted ()
virtual bool	isLocked ()
virtual void	undoStateChanged (bool undone)
	Called when the undo state changed.
virtual bool	isUndone () const
virtual void	update ()
	Can be implemented by child classes to update the entities temporary subentities.
virtual void	setUpdateEnabled (bool on)
RS_Vector	getMin () const
	This method doesn't do any calculations.
RS_Vector	getMax () const
	This method doesn't do any calculations.
RS_Vector	getSize () const
	This method returns the difference of max and min returned by the above functions.
void	addGraphicVariable (const RS_String &key, double val, int code)
	Sets a variable value for the parent graphic object.
void	addGraphicVariable (const RS_String &key, int val, int code)
	Sets a variable value for the parent graphic object.
void	addGraphicVariable (const RS_String &key, const RS_String &val, int code)
	Sets a variable value for the parent graphic object.
double	getGraphicVariableDouble (const RS_String &key, double def)
	A safe member function to return the given variable.
int	getGraphicVariableInt (const RS_String &key, int def)
	A safe member function to return the given variable.
RS_String	getGraphicVariableString (const RS_String &key, const RS_String &def)
	A safe member function to return the given variable.
RS2::Unit	getGraphicUnit ()
virtual RS_VectorSolutions	getRefPoints ()
	Must be overwritten to get all reference points of the entity.
virtual RS_Vector	getNearestEndpoint (const RS_Vector &coord, double *dist=NULL)=0
	Must be overwritten to get the closest endpoint to the given coordinate for this entity.
virtual RS_Vector	getNearestPointOnEntity (const RS_Vector &, bool onEntity=true, double *dist=NULL, RS_Entity **entity=NULL)=0
	Must be overwritten to get the closest coordinate to the given coordinate which is on this entity.
virtual RS_Vector	getNearestCenter (const RS_Vector &coord, double *dist=NULL)=0
	Must be overwritten to get the (nearest) center point to the given coordinate for this entity.
virtual RS_Vector	getNearestMiddle (const RS_Vector &coord, double *dist=NULL)=0
	Must be overwritten to get the (nearest) middle point to the given coordinate for this entity.
virtual RS_Vector	getNearestDist (double distance, const RS_Vector &coord, double *dist=NULL)=0
	Must be overwritten to get the nearest point with a given distance to the endpoint to the given coordinate for this entity.
virtual RS_Vector	getNearestDist (double, bool)
	Must be overwritten to get the point with a given distance to the start- or endpoint to the given coordinate for this entity.
virtual RS_Vector	getNearestRef (const RS_Vector &coord, double *dist=NULL)
	Must be overwritten to get the nearest reference point for this entity.
virtual RS_Vector	getNearestSelectedRef (const RS_Vector &coord, double *dist=NULL)
	Gets the nearest reference point of this entity if it is selected.
virtual double	getDistanceToPoint (const RS_Vector &coord, RS_Entity **entity=NULL, RS2::ResolveLevel level=RS2::ResolveNone, double solidDist=RS_MAXDOUBLE)=0
	Must be overwritten to get the shortest distance between this entity and a coordinate.
virtual bool	isPointOnEntity (const RS_Vector &coord, double tolerance=RS_TOLERANCE)
virtual RS2::Side	getSideOfPoint (const RS_Vector &coord)=0
	Implementations must return RS2::RightHand if coord is on the right hand side of this entity, RS2::LeftHand if it is on the left hand side and RS2::NoSide otherwise (on entity, entity has no side, .
virtual void	move (const RS_Vector &offset)=0
	Implementations must move the entity by the given vector.
virtual void	rotate (const RS_Vector &center, double angle)=0
	Implementations must rotate the entity by the given angle around the given center.
virtual void	scale (const RS_Vector &center, const RS_Vector &factor)=0
	Implementations must scale the entity by the given factors.
virtual void	scale (const RS_Vector &center, double factor)
	Acts like scale(RS_Vector) but with equal factors.
virtual void	mirror (const RS_Vector &axisPoint1, const RS_Vector &axisPoint2)=0
	Implementations must mirror the entity by the given axis.
virtual void	stretch (const RS_Vector &firstCorner, const RS_Vector &secondCorner, const RS_Vector &offset)
	Implementations must stretch the given range of the entity by the given offset.
virtual void	moveRef (const RS_Vector &, const RS_Vector &)
	Implementations must drag the reference point(s) of all (sub-)entities that are very close to ref by offset.
virtual void	moveSelectedRef (const RS_Vector &, const RS_Vector &)
	Implementations must drag the reference point(s) of selected (sub-)entities that are very close to ref by offset.
virtual void	draw (RS_Painter *painter, RS_GraphicView *view, double patternOffset=0.0)=0
	Implementations must draw the entity on the given device.
double	getStyleFactor (RS_GraphicView *view)
virtual RS_Variant	getVariable (const RS_String &name, const RS_Variant &def=RS_Variant())
	Returns the variable with the given name or 'def'.
virtual RS_StringList	getAllVariableNames ()
virtual void	setVariable (const RS_String &name, const RS_Variant &value)
	Sets the variable with the given name to the given value.
virtual void	deleteVariable (const RS_String &name)
	Deletes the variable with the given name.
virtual void	calculateBorders ()=0
	Recalculates the borders of this entity.
Protected Attributes
RS_EntityContainer *	parent
	Entity's parent entity or NULL is this entity has no parent.
RS_Vector	minV
	minimum coordinates
RS_Vector	maxV
	maximum coordinates
RS_Layer *	layer
	Pointer to layer.
unsigned long int	id
	Entity id.
RS_Pen	pen
	pen (attributes) for this entity
bool	updateEnabled
	auto updating enabled?

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Detailed Description

Base class for an entity (line, arc, circle, .

..)

Author:

Andrew Mustun

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Constructor & Destructor Documentation

RS_Entity::RS_Entity (  RS_EntityContainer *  parent = NULL  )

Default constructor. Parameters: parent  The parent entity of this entity. E.g. a line might have a graphic entity or a polyline entity as parent.

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Member Function Documentation

void RS_Entity::addGraphicVariable (  const RS_String &  key, const RS_String &  val, int  code )

Sets a variable value for the parent graphic object. Parameters: key  Variable name (e.g. "$DIMASZ") val  Default value

void RS_Entity::addGraphicVariable (  const RS_String &  key, int  val, int  code )

Sets a variable value for the parent graphic object. Parameters: key  Variable name (e.g. "$DIMASZ") val  Default value

void RS_Entity::addGraphicVariable (  const RS_String &  key, double  val, int  code )

Sets a variable value for the parent graphic object. Parameters: key  Variable name (e.g. "$DIMASZ") val  Default value

RS_StringList RS_Entity::getAllVariableNames (   )  [virtual]

Returns: Names of all known variables that are defined for this entity.

RS_Block * RS_Entity::getBlock (   )

Returns: The parent block in which this entity is stored or the parent's parent block or NULL if none of the parents are stored in a block.

RS_Entity * RS_Entity::getBlockOrInsert (   )

Returns: The parent block or insert in which this entity is stored or the parent's parent block or insert or NULL if none of the parents are stored in a block or insert.

virtual double RS_Entity::getDistanceToPoint (  const RS_Vector &  coord, RS_Entity **  entity = NULL, RS2::ResolveLevel  level = RS2::ResolveNone, double  solidDist = RS_MAXDOUBLE )  [pure virtual]

Must be overwritten to get the shortest distance between this entity and a coordinate. Parameters: coord  Coordinate (typically a mouse coordinate) entity  Pointer which will contain the (sub-)entity which is closest to the given point or NULL if the caller is not interested in this information. level  The resolve level. See also: RS2::ResolveLevel Returns: The measured distance between coord and the entity. Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Hatch, RS_Image, RS_Line, RS_Point, and RS_Solid.

RS_Document * RS_Entity::getDocument (   )

Returns: The parent document in which this entity is stored or the parent's parent document or NULL if none of the parents are stored in a document. Note that a document is usually either a Graphic or a Block.

RS_Graphic * RS_Entity::getGraphic (   )

Returns: The parent graphic in which this entity is stored or the parent's parent graphic or NULL if none of the parents are stored in a graphic.

RS2::Unit RS_Entity::getGraphicUnit (   )

Returns: The unit the parent graphic works on or None if there's no parent graphic.

double RS_Entity::getGraphicVariableDouble (  const RS_String &  key, double  def )

A safe member function to return the given variable. Parameters: key  Variable name (e.g. "$DIMASZ") def  Default value Returns: value of variable or default value if the given variable doesn't exist.

int RS_Entity::getGraphicVariableInt (  const RS_String &  key, int  def )

A safe member function to return the given variable. Parameters: key  Variable name (e.g. "$DIMASZ") def  Default value Returns: value of variable or default value if the given variable doesn't exist.

RS_String RS_Entity::getGraphicVariableString (  const RS_String &  key, const RS_String &  def )

A safe member function to return the given variable. Parameters: key  Variable name (e.g. "$DIMASZ") def  Default value Returns: value of variable or default value if the given variable doesn't exist.

unsigned long int RS_Entity::getId (   )  const [inline]

Returns: Unique Id of this entity.

RS_Insert * RS_Entity::getInsert (   )

Returns: The parent insert in which this entity is stored or the parent's parent block or NULL if none of the parents are stored in a block.

RS_Layer * RS_Entity::getLayer (  bool  resolve = true  )  const

Returns a pointer to the layer this entity is on or NULL. resolve true: if the layer is ByBlock, the layer of the block this entity is in is returned. false: the layer of the entity is returned. Returns: pointer to the layer this entity is on. If the layer is set to NULL the layer of the next parent that is not on layer NULL is returned. If all parents are on layer NULL, NULL is returned.

virtual double RS_Entity::getLength (   )  [inline, virtual]

Implementations must return the total length of the entity or a negative number if the entity has no length (e.g. a text or hatch). Reimplemented in RS_Arc, RS_Circle, RS_Dimension, RS_EntityContainer, RS_Hatch, RS_Image, RS_Leader, RS_Line, and RS_Text.

RS_Vector RS_Entity::getMax (   )  const [inline]

This method doesn't do any calculations. Returns: minimum coordinate of the entity. See also: calculateBorders()

RS_Vector RS_Entity::getMin (   )  const [inline]

This method doesn't do any calculations. Returns: minimum coordinate of the entity. See also: calculateBorders()

virtual RS_Vector RS_Entity::getNearestCenter (  const RS_Vector &  coord, double *  dist = NULL )  [pure virtual]

Must be overwritten to get the (nearest) center point to the given coordinate for this entity. Parameters: coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between 'coord' and the closest center point. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest center point. Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Image, RS_Line, RS_Point, RS_Solid, and RS_Spline.

virtual RS_Vector RS_Entity::getNearestDist (  double  , bool  )  [inline, virtual]

Must be overwritten to get the point with a given distance to the start- or endpoint to the given coordinate for this entity. Parameters: distance  Distance to endpoint. startp  true = measured from Startpoint, false = measured from Endpoint Returns: The point with the given distance to the start- or endpoint. Reimplemented in RS_Arc, RS_Circle, and RS_Line.

virtual RS_Vector RS_Entity::getNearestDist (  double  distance, const RS_Vector &  coord, double *  dist = NULL )  [pure virtual]

Must be overwritten to get the nearest point with a given distance to the endpoint to the given coordinate for this entity. Parameters: distance  Distance to endpoint. coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between 'coord' and the closest point. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest point with the given distance to the endpoint. Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Image, RS_Line, RS_Point, RS_Solid, and RS_Spline.

virtual RS_Vector RS_Entity::getNearestEndpoint (  const RS_Vector &  coord, double *  dist = NULL )  [pure virtual]

Must be overwritten to get the closest endpoint to the given coordinate for this entity. Parameters: coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between 'coord' and the closest endpoint. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest endpoint. Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Image, RS_Line, RS_Point, RS_Solid, and RS_Spline.

virtual RS_Vector RS_Entity::getNearestMiddle (  const RS_Vector &  coord, double *  dist = NULL )  [pure virtual]

Must be overwritten to get the (nearest) middle point to the given coordinate for this entity. Parameters: coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between 'coord' and the closest middle point. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest middle point. Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Image, RS_Line, RS_Point, RS_Solid, and RS_Spline.

virtual RS_Vector RS_Entity::getNearestPointOnEntity (  const RS_Vector &  , bool  onEntity = true, double *  dist = NULL, RS_Entity **  entity = NULL )  [pure virtual]

Must be overwritten to get the closest coordinate to the given coordinate which is on this entity. Parameters: coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between coord and the point. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest coordinate. Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Image, RS_Line, RS_Point, and RS_Solid.

virtual RS_Vector RS_Entity::getNearestRef (  const RS_Vector &  coord, double *  dist = NULL )  [inline, virtual]

Must be overwritten to get the nearest reference point for this entity. Parameters: coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between 'coord' and the closest point. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest point with the given distance to the endpoint. Reimplemented in RS_Dimension, RS_EntityContainer, RS_Insert, RS_Leader, RS_Polyline, RS_Spline, and RS_Text.

virtual RS_Vector RS_Entity::getNearestSelectedRef (  const RS_Vector &  coord, double *  dist = NULL )  [inline, virtual]

Gets the nearest reference point of this entity if it is selected. Containers re-implement this method to return the nearest reference point of a selected sub entity. Parameters: coord  Coordinate (typically a mouse coordinate) dist  Pointer to a value which will contain the measured distance between 'coord' and the closest point. The passed pointer can also be NULL in which case the distance will be lost. Returns: The closest point with the given distance to the endpoint. Reimplemented in RS_Dimension, RS_EntityContainer, RS_Leader, RS_Polyline, and RS_Spline.

RS_EntityContainer* RS_Entity::getParent (   )  const [inline]

Returns: Parent of this entity or NULL if this is a root entity.

RS_Pen RS_Entity::getPen (  bool  resolve = true  )  const

Gets the pen needed to draw this entity. The attributes can also come from the layer this entity is on if the flags are set accordingly. Parameters: resolve  true: Resolve the pen to a drawable pen (e.g. the pen from the layer or parent..) false: Don't resolve and return a pen or ByLayer, ByBlock, ... Returns: Pen for this entity.

virtual RS2::Side RS_Entity::getSideOfPoint (  const RS_Vector &  coord  )  [pure virtual]

Implementations must return RS2::RightHand if coord is on the right hand side of this entity, RS2::LeftHand if it is on the left hand side and RS2::NoSide otherwise (on entity, entity has no side, . .). Implemented in RS_Arc, RS_Circle, RS_ConstructionLine, RS_Ellipse, RS_EntityContainer, RS_Image, RS_Line, RS_Point, and RS_Solid.

RS_Vector RS_Entity::getSize (   )  const [inline]

This method returns the difference of max and min returned by the above functions. Returns: size of the entity. See also: calculateBorders() getMin() getMax()

double RS_Entity::getStyleFactor (  RS_GraphicView *  view  )

Returns: Factor for scaling the line styles considering the current paper scaling and the fact that styles are stored in Millimeter.

RS_Variant RS_Entity::getVariable (  const RS_String &  name, const RS_Variant &  def = RS_Variant() )  [virtual]

Returns the variable with the given name or 'def'. Parameters: name  Variable name. def  Default value to return if the given variable is undefined.

void RS_Entity::init (   )

Initialisation. Called from all constructors.

virtual bool RS_Entity::isContainer (   )  const [pure virtual]

Must be overwritten to return true if an entity type is a container for other entities (e.g. polyline, group, ...). Implemented in RS_AtomicEntity, RS_EntityContainer, and RS_Hatch.

virtual bool RS_Entity::isDocument (   )  const [inline, virtual]

Returns: true for all document entities (e.g. Graphics or Blocks). false otherwise. Reimplemented in RS_Document.

virtual bool RS_Entity::isEdge (   )  const [inline, virtual]

Must be overwritten to return true if an entity type is a potential edge entity of a contour. By default this returns false. Reimplemented in RS_Arc, RS_Circle, RS_Line, and RS_Spline.

bool RS_Entity::isHighlighted (   )  [virtual]

Returns: true if the entity is highlighted.

bool RS_Entity::isInWindow (  const RS_Vector &  v1, const RS_Vector &  v2 )  [virtual]

Returns: True if the entity is in the given range.

bool RS_Entity::isLocked (   )  [virtual]

Returns: true if the layer this entity is on is locked.

bool RS_Entity::isParentSelected (   )  [virtual]

Returns: true if a parent entity of this entity is selected.

bool RS_Entity::isPointOnEntity (  const RS_Vector &  coord, double  tolerance = RS_TOLERANCE )  [virtual]

Parameters: tolerance  Tolerance. Return values: true  if the given point is on this entity. false  otherwise Reimplemented in RS_Ellipse.

bool RS_Entity::isProcessed (   )  const [virtual]

Returns: True if the processed flag is set.

bool RS_Entity::isSelected (   )  const [virtual]

Returns: True if the entity is selected. Note that an entity might not be selected but one of its parents is selected. In that case this function returns false.

bool RS_Entity::isUndone (   )  const [virtual]

Returns: true if this entity or any parent entities are undone. Reimplemented from RS_Undoable.

bool RS_Entity::isVisible (   )  [virtual]

Is this entity visible? Returns: true Only if the entity and the layer it is on are visible. The Layer might also be NULL. In that case the layer visiblity is ignored. Reimplemented in RS_Insert.

virtual RS2::EntityType RS_Entity::rtti (   )  const [inline, virtual]

Must be overwritten to return the rtti of this entity (e.g. RS2::EntityArc). Reimplemented in RS_Arc, RS_Block, RS_Circle, RS_ConstructionLine, RS_DimAligned, RS_DimAngular, RS_DimDiametric, RS_DimLinear, RS_DimRadial, RS_Ellipse, RS_EntityContainer, RS_FontChar, RS_Graphic, RS_Hatch, RS_Image, RS_Insert, RS_Leader, RS_Line, RS_Point, RS_Polyline, RS_Solid, RS_Spline, and RS_Text.

virtual void RS_Entity::scale (  const RS_Vector &  center, double  factor )  [inline, virtual]

Acts like scale(RS_Vector) but with equal factors. Equal to scale(center, RS_Vector(factor, factor)).

void RS_Entity::setHighlighted (  bool  on  )  [virtual]

Sets the highlight status of the entity. Highlighted entities usually indicate a feedback to a user action.

void RS_Entity::setLayerToActive (   )

Sets the layer of this entity to the current layer of the graphic this entity is in. If this entity (and none of its parents) are in a graphic the layer is set to NULL.

void RS_Entity::setPen (  const RS_Pen &  pen  )  [inline]

Sets the explicit pen for this entity or a pen with special attributes such as BY_LAYER, .

void RS_Entity::setPenToActive (   )

Sets the pen of this entity to the current pen of the graphic this entity is in. If this entity (and none of its parents) are in a graphic the pen is not changed.

void RS_Entity::setProcessed (  bool  on  )  [virtual]

Sets or resets the processed flag of this entity. Parameters: on  True to set, false to reset. Reimplemented in RS_EntityContainer.

bool RS_Entity::setSelected (  bool  select  )  [virtual]

Selects or deselects this entity. Parameters: select  True to select, false to deselect. Reimplemented in RS_EntityContainer.

void RS_Entity::setVariable (  const RS_String &  name, const RS_Variant &  value )  [virtual]

Sets the variable with the given name to the given value. A previously existing variable with the same name is overwritten. Parameters: name  Name of the variable (unique for this entity). value  Initial value of the variable.

void RS_Entity::stretch (  const RS_Vector &  firstCorner, const RS_Vector &  secondCorner, const RS_Vector &  offset )  [virtual]

Implementations must stretch the given range of the entity by the given offset. This default implementation moves the whole entity if it is completely inside the given range. Reimplemented in RS_Arc, RS_DimAligned, RS_DimLinear, RS_EntityContainer, RS_Hatch, RS_Leader, RS_Line, RS_Polyline, and RS_Text.

virtual RS2::UndoableType RS_Entity::undoRtti (   )  const [inline, virtual]

Identify all entities as undoable entities. Returns: RS2::UndoableEntity Reimplemented from RS_Undoable.

void RS_Entity::undoStateChanged (  bool  undone  )  [virtual]

Called when the undo state changed. Parameters: undone  true: entity has become invisible. false: entity has become visible. Reimplemented from RS_Undoable. Reimplemented in RS_EntityContainer.

virtual void RS_Entity::update (   )  [inline, virtual]

Can be implemented by child classes to update the entities temporary subentities. update() is called if the entity's paramters or undo state changed. Reimplemented in RS_EntityContainer, RS_Hatch, RS_Image, RS_Insert, RS_Leader, RS_Spline, and RS_Text.

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

• rs_entity.h
• rs_entity.cpp

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