DtResizableCircleSymbol Class Reference

Symbols representing resizable circles. More...

Inheritance diagram for DtResizableCircleSymbol:

Public Member Functions
	DtResizableCircleSymbol (DtSymbolDrawer &drawer)
	Constructor.
	DtResizableCircleSymbol (DtNullDrawer &drawer)
	Constructor.
	DtResizableCircleSymbol (const DtResizableCircleSymbol &orig)
	Copy Constructor.
DtResizableCircleSymbol &	operator= (const DtResizableCircleSymbol &orig)
	Assignment Operator.
virtual	~DtResizableCircleSymbol ()
	Destructor.
virtual DtSymbol *	clone () const
	Create a clone of this symbol.
virtual bool	originSelected () const
	The following methods will test the particular selection flags and return true if the particular flag is set.
virtual bool	circleSelected () const
virtual bool	anythingSelected () const
virtual QPoint	xOriginPoint () const
	Returns xOriginPoint. Set when radius is set.
virtual QPoint	endPoint () const
virtual void	setOrigin (int x, int y)
	Same as above.
virtual void	setOrigin (const QPoint &origin)
	Set the display coordinate that will become the 0,0 point for drawing this symbol.
virtual void	setRadius (const double r)
	Also sets the end point based on the radius.
virtual void	setOriginRadius (double r)
	Sets the radius of the origin point. Initially 3 pixels.
virtual double	originRadius () const
virtual void	setResizing (bool b)
	Sets whether or not this symbol is in the act of resizing.
virtual bool	resizing () const
virtual void	setCreateFixed (bool b)
	If true, automatically adds second point to create a fixed size circle.
virtual bool	createFixed () const
virtual int	pointSelected () const
	Returns the point selected.
virtual bool	pointHighlighted () const
virtual bool	setLocationData (const QPolygon *pts)
	Use this routine to make sure we reflect any changes in viewport or movement.
virtual const QPolygon *	getLocationData () const
	Provided for a simpler interface to subclasses.
virtual int	getNumPoints () const
virtual QPoint	getPoint (int iIndex) const
virtual void	setKnobSize (int i)
	Accessors for point knob size (if this line can be modified)
virtual int	knobSize () const
virtual QPoint	computeEndPointForOrigin (const QPoint &origin, const QPoint &end)
virtual void	setSelectedPoint (int i)
	Sets the point to be selected.
virtual int	getNumVertexPoints () const
	In vertex drawing mode, returns the number of vertex points to draw and the vertex point at the particular index.
virtual const QPoint	getVertexPoint (int pointNum) const
virtual int	setEndPoint (const QPoint &pnt)
	Sets the end point (x) radius of the circle. Simply calls setLocationData.
virtual bool	select (const QPoint &aPoint)
	Check to see if the circle or origin is selected.
virtual bool	select (const QPoint &aPoint, const QSize &aSize)
	Returns true if the rectangle intersects the symbol, if the symbol is selectable.
virtual bool	selected () const
virtual int	modelPointSelected () const
Public Member Functions inherited from DtCircleSymbol
	DtCircleSymbol (DtSymbolDrawer &drawer)
	Constructor.
	DtCircleSymbol (DtNullDrawer &drawer)
	Constructor.
	DtCircleSymbol (const DtCircleSymbol &orig)
	Copy Constructor.
DtCircleSymbol &	operator= (const DtCircleSymbol &orig)
	Assignment Operatior.
virtual	~DtCircleSymbol ()
	Destructor.
virtual double	radius () const
	Get the radius of the circle.
virtual void	setYRadius (const double r)
	Set the horizontal radius of an ellipse.
virtual double	yRadius () const
	Get the horizontal radius of an ellipse.
virtual void	setRotationDegrees (const double rot)
	Set the number of degrees to rotate the ellipse.
virtual double	rotationDegrees () const
	Get the number of degrees to rotate the ellipse.
virtual void	setCircleStyle (DtCircleStyle style)
	Style settings.
virtual DtCircleStyle	circleStyle () const
virtual void	setBrushStyle (Qt::BrushStyle style)
virtual Qt::BrushStyle	brushStyle () const
virtual void	setPenStyle (Qt::PenStyle style)
virtual Qt::PenStyle	penStyle () const
virtual bool	pointInCircle (const QPoint &aPoint, QPoint &centerPoint, float xRadius, float yRadius, int penThickness)
	See if the supplied point is within the given filled circle.
virtual bool	rectInCircle (const QRect &aPoint, QPoint &centerPoint, float xRadius, float yRadius, int penThickness)
	See if the supplied rectangle is within the given filled circle.
virtual bool	rectInSmallerCircle (const QRect &aRect, QPoint &centerPoint, float xRadius, float yRadius, int penThickness)
bool	operator== (const DtCircleSymbol &orig) const
bool	operator!= (const DtCircleSymbol &orig) const
virtual void	setArcInfo (double radius, int sweep, double arcStartAngle)
	Information for drawing arcs in circle drawer arcEnd is center point of arc end and sweep is the angle of sweep (0 to 360).
virtual const DtArcInfo *	arcInfo () const
virtual void	clearArcInfo ()
virtual Qt::PenStyle	crossHairStyle () const
virtual void	setCrossHairStyle (Qt::PenStyle style)
virtual bool	patternCacheChanged () const
virtual void	cachePatternVariables ()
virtual bool	needsPatternRedraw () const
virtual QPixmap *	patternImage () const
virtual QPixmap *	cachePatternImage (const QPixmap &pixmap)
void	setScaleRadiusByScaleFactor (bool)
	If true, when returning radius, it will be scaled by the scaleBy() method.
bool	scaleRadiusByScaleFactor () const
virtual bool	isScalable () const
	Return true/false if this is a scalable symbol. By default returns false.
Public Member Functions inherited from DtColorizedSymbol
	DtColorizedSymbol (DtSymbolDrawer &d)
	Constructor.
virtual	~DtColorizedSymbol ()
	Destructor.
	DtColorizedSymbol (const DtColorizedSymbol &orig)
	Copy Constructor.
DtColorizedSymbol &	operator= (const DtColorizedSymbol &rhs)
	Assignment Operator.
virtual QColor *	color () const
virtual void	setColor (const QColor &col)
	Noop function to allow subclasses to override.
virtual void	clearColor ()
	Noop function to allow subclasses to clear out any color information.
bool	operator== (const DtColorizedSymbol &orig) const
bool	operator!= (const DtColorizedSymbol &orig) const
virtual int	lineWidth () const
	Width of line. Set to -1 to use drawer default.
virtual void	setLineWidth (int i)
Public Member Functions inherited from DtSymbol
virtual	~DtSymbol ()
	destructor
	DtSymbol (const DtSymbol &orig)
	copy constructor
DtSymbol &	operator= (const DtSymbol &orig)
	assignment operator Note that the copy constructor, by default, make the symbol non editable even if the source is editable
	DtSymbol (DtSymbolDrawer &drawer)
	Drawer is non-const since it does memory management.
virtual void	copyDataFrom (const DtSymbol *symbol)
	Differs from the equal operator in that this method could copy a different set of data than the = operator.
virtual void	setName (const QString &name)
	The specific name of this symbol.
virtual const QString &	name () const
virtual bool	highlight () const
virtual const DtDisplayPoint	centerPoint () const
	The real visual center of the symbol in display coordinates.
virtual const DtDisplayPoint	topLeftPoint () const
	The real visual top left corner of the symbol in display coordinates.
virtual const QPoint	origin () const
	returns the display origin for the symbol.
virtual void	draw (QPainter &paint) const
virtual void	drawHidden (QPainter &paint) const
virtual const DtSymbolDrawer &	drawer () const
virtual QSize	bbox () const
	the bounding box - this queries the drawer
virtual QRect	brect () const
virtual QRect	selBbox () const
	the selection box (area where you can select an item)
virtual void	clearOffsetToParent ()
	Set/get the offset to the parent.
virtual void	setOffsetToParent (const QPoint &offsetToParent)
virtual const QPoint *	offsetToParent () const
	if the offsetToParent blit has been cleared, this returns null
virtual bool	show (DtShowHideContext module)
	Shows/hides the symbol.
virtual bool	hide (DtShowHideContext module)
virtual void	show ()
	Use this method to show the symbol regardless of how many contexts have hidden it.
virtual void	hide ()
	Use this method to hide a symbol without context. Same as hide(DtDefaultShowHideContext)
virtual void	addIgnoreContext (DtShowHideContext)
	Add/remove contexts for hide() to ignore.
virtual void	removeIgnoreContext (DtShowHideContext)
const QVector < DtShowHideContext > &	ignoreContexts () const
virtual void	wasHidden (DtSymbol *)
	The following two methods are only called if the parent is hidden Called when a child symbol of this symbol is hidden.
virtual void	wasShown (DtSymbol *)
	Called when a child symbol of this symbol is shown.
virtual bool	isShown () const
virtual DtSymbol *	parent () const
virtual void	setParent (DtSymbol *dad)
virtual bool	isComposite ()
	-— Type information
virtual DtSymbolGeometry	geometry () const
virtual void	setGeometry (DtSymbolGeometry geom)
virtual void	setCategoryTag (const QString &name)
	A tag is the name of this type of symbol such as velocity vector name or force or whatever.
virtual const QString &	categoryTag () const
virtual void	setSelectable (bool value)
	Set/get the ability to select with this symbol.
virtual bool	isSelectable () const
virtual void	setEditable (bool b)
	Accessors for whether or not this line can be edited.
virtual bool	editable () const
virtual void	setAllowEditOnSelection (bool b)
	Sets the fact that even if this symbol is not marked editable, it can become editable upon selection (myHighlight is true)
virtual bool	allowEditOnSelection () const
virtual void	setInternalSelectable (bool value)
	The following two functions are internal values kept in order to make sure that if an object has been filter modified and not shown, that it will not be selectable.
virtual bool	isInternalSelectable () const
virtual void	setAddToDrawOrder (bool b)
	Add this item to the draw order regardless of whether or not it is visible on the screen.
virtual bool	addToDrawOrder () const
virtual bool	overlapsSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoxPieces, const float aTolerance=0) const
	Returns true if the two symbols overlap Different intersection tests are available.
virtual bool	overlapsAreaSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoxPieces, const float aTolerance=0) const
	handles the case when aSymbol spans an area, such as a bitmap or a text symbol.
virtual bool	overlapsLineSymbol (DtSymbol &aSymbol, const float aTolerance=0) const
	handles the case when aSymbol is composed of line segments, such as a line, polygon, or route.
virtual bool	isOriginal () const
	Returns true if this symbol is an original symbol, otherwise return false.
virtual DtStaticAnimData *	staticAnimData () const
virtual void	setDrawOnComposite (DtSymbolCompositeDrawOptions opt)
	If true, will not draw this symbol if it is part of a composite symbol.
virtual bool	drawOnComposite () const
virtual DtSymbolCompositeDrawOptions	drawOnCompositeValue () const
virtual bool	drawFirst () const
	If true, this symbol will always be drawn first.
virtual void	setDrawFirst (bool b)
virtual bool	drawLast () const
	If true, this symbol will always be drawn last.
virtual void	setDrawLast (bool b)
virtual bool	selectAdditionalSymbols (QList< DtSymbol * > &additionalSymbols)
	This routine is called during symbol selection time to see if the selection of this symbol requires other symbols to be selected as well.
virtual bool	forceUpdate () const
	Override this function and return true if this symbol wants to update every tick regardless of performance enhancements.
virtual void	setDragClone (DtSymbol *clone)
	Contains the symbol that is being dragged that represents this symbol.
virtual DtSymbol *	dragClone () const
virtual void	setScaleBy (double factor)
	Scaling factors.
virtual double	scaleBy () const
virtual void	enableVisibilityChange (bool b)
virtual void	scheduleDisplayComplete (int)
	Sets a QTimer for the specified amount of time to fire off and then call the displayComplete() slot.
virtual void	setShouldSelect (bool)
virtual bool	shouldSelect () const
virtual void	setTransparencyLevel (int)
	Transparency information.
virtual int	transparencyLevel () const
virtual bool	needsTransparentRedraw () const
	Will return true if there is no cached image or internal variables have changed such that the cached image needs a redraw.
virtual QPixmap *	transparentImage () const
virtual QPixmap *	cacheTransparentImage (const QPixmap &pixmap)
virtual QPixmap *	cacheTransparentImage (const QImage &image)
virtual void	cacheTransparentVariables ()
virtual bool	wantsTransparentDraw () const
	Will return true if transparent percent is not 0 or 100.
bool	operator== (const DtSymbol &orig) const
bool	operator!= (const DtSymbol &orig) const
virtual DtSymbolDrawer *	symbolDrawer ()
	Sets the new drawer to be the supplied drawer.
virtual DtSymbolDrawer *	setDrawer (const DtSymbolDrawer &)
virtual DtSymbolDrawer &	backupDrawer () const
	Returns the drawer that was set as a backup.
virtual void	setBackupDrawer (DtSymbolDrawer *)
virtual bool	removeIfOffScreen () const
	Return true/false if this symbol should be removed if it is off screen By default is true.
void	setRemoveIfOffScreen (bool b)
	Default is true.
virtual void	setSymbolDisplayOptions (DtSymbolDisplayOptions *)
virtual const DtSymbolDisplayOptions *	symbolDisplayOptions () const
virtual DtSymbolDisplayOptions *	symbolDisplayOptions ()
virtual int	displayOptionsCache () const
void	setAdjustPoints (bool)
bool	adjustPoints () const
const QVector < DtShowHideContext > &	hiddenByModules () const
	Routines to access which modules this symbol is hidden by.
bool	hiddenByModule (DtShowHideContext module) const
virtual void	blockSignals (bool)
	Blocks signals from being emitted from this symbol.
virtual bool	originIsCenterOfMass () const
	Returns true if the origin is the center of mass (center of all points) in the symbol.
virtual void	setCacheSymbolAsBitmap (bool)
	Get/set whether or not the drawer should cache this symbol as a bitmap.
bool	cacheSymbolAsBitmap () const
virtual const QString &	bitmapSymbolCacheKey () const
	Returns a cache key that can be used to lookup in a bitmap cache.
virtual void	reset ()
	Resets any relevant information associated with this symbol.
virtual bool	editMode ()
	Set/get the edit mode option to enable update properties when hidden because of edition.
virtual void	setEditMode (bool onOff)

Protected Member Functions
virtual void	setHighlight (const bool highlight)
	Set/get the highlight flag (whether the symbol should be drawn highlighted).
virtual void	shift (QPoint p)
	Move the center of this object by p amount and recalculate the end point to keep the distance constant between origin and end point given the new location.
virtual bool	adjustPoints (QPolygon &pnts, bool constrain)
	Opportunity to adjust the point array to some desired other points.
virtual bool	pointSelected (const QPoint &point)
	Returns true and sets selection and highlight and selected point to knob that contains the specified point.
bool	operator== (const DtResizableCircleSymbol &orig) const
bool	operator!= (const DtResizableCircleSymbol &orig) const
virtual bool	transparentCacheChanged () const

Protected Attributes
int	mySelection
int	myHighlightSelection
bool	myResizing
double	myOriginRadius
bool	myCreateFixed
QPolygon	myPoints
int	mySelectedPoint
int	myKnobSize
int	myMouseSelectedPoint
Protected Attributes inherited from DtCircleSymbol
double	myRadius
double	myYRadius
double	myRotationDegrees
DtCircleStyle	myCircleStyle
Qt::BrushStyle	myBrushStyle
Qt::PenStyle	myPenStyle
Qt::PenStyle	myCrossHairStyle
DtArcInfo *	myArcInfo
DtSymbol *	myPatternCachedSymbol
QPixmap *	myPatternImage
bool	myScaleRadiusByScaleFactor
Protected Attributes inherited from DtColorizedSymbol
QColor *	myColor
int	myLineWidth
Protected Attributes inherited from DtSymbol
DtSymbolDrawer *	mySymbolDrawer
DtSymbolDrawer *	myBackupDrawer
QPoint	myOrigin
bool	myActiveOffsetToParent
QPoint	myOffsetToParent
bool	myHighlight
bool	myIsShown
bool	myIsSelectable
bool	myEditable
bool	myInternalSelectable
QString	myName
QString	myCategoryTag
DtSymbolGeometry	myGeometry
DtSymbol *	myParent
DtSymbol *	myDragClone
	If this symbol is being dragged, then this will point to the symbol that was cloned for the drag.
bool	myIsOriginal
bool	myAllowEditOnSelection
bool	myAddToDrawOrder
double	myScaleFactor
DtStaticAnimData *	myStaticAnimData
bool	myEmitVisibilityChange
DtSymbol_DrawOrder	myDrawOrder
QTimer *	myTimer
DtSymbolCompositeDrawOptions	myDrawOnComposite
bool	myShouldSelect
	Set to true if part of a composite and a user has selected a part of the composite that should be selected.
int	myTransparencyLevel
	Information for symbol transparency and transparent drawing.
QPixmap *	myTransparentImage
DtSymbol *	myTransparentCachedSymbol
DtSymbolDisplayOptions *	mySymbolDisplayOptions
bool	myAdjustPoints
QVector< DtShowHideContext >	myHiddenByModules
QVector< DtShowHideContext >	myIgnoreContexts
bool	myRemoveIfOffscreen
bool	myCacheSymbolAsBitmap
bool	myEditMode
QString	mySymbolBitmapCacheKey

Private Member Functions
	DtResizableCircleSymbol ()
	Not implemented. Private to ensure it is only constructed with a drawer.

Additional Inherited Members
Public Types inherited from DtCircleSymbol
enum	DtCircleStyle {   DtStyle_NoCircle = 0, DtStyle_Outline, DtStyle_Fill, DtStyle_Pattern,   DtStyle_NoEntry, DtStyle_CrossHair, DtStyle_Pie, DtStyle_CircleStyle_MAX }
Public Slots inherited from DtSymbol
virtual void	invalidateStaticAnimData ()
	This gets called when modified symbols exist and the original symbol has been destroyed.
virtual void	displayComplete ()
	Call when the display of this symbol is complete.
virtual void	clearDragClone (QObject *)
	Called when the drag clone is destroyed outside of this context, we will be notified in that case to clear out this symbols internal pointer.
Signals inherited from DtSymbol
void	originalSymbolDestroyed ()
	Sent when an original symbol has been destroyed - (so that the drawer can remove that cache)
void	destroyed (const DtSymbol *)
	Called when we are destroyed, this will give our drawers a chance to update any cached information.
void	originChanged (const DtSymbol *)
	Sent when setOrigin is called with a different origin.
void	visibilityChanged (const DtSymbol *)
	Sent when visibility change sending is enabled and a symbol is shown or hidden when it wasn't before.
void	displayComplete (const DtSymbol *)
	Called from displayComplete()
Static Public Member Functions inherited from DtColorizedSymbol
static DtSymbol *	create (DtSymbolDrawer &drawer)
Static Protected Attributes inherited from DtSymbol
static DtNullDrawer	theNullDrawer

Detailed Description

Symbols representing resizable circles.

Constructor & Destructor Documentation

DtResizableCircleSymbol::DtResizableCircleSymbol

(

DtSymbolDrawer &

drawer

)

Constructor.

DtResizableCircleSymbol::DtResizableCircleSymbol

(

DtNullDrawer &

drawer

)

Constructor.

DtResizableCircleSymbol::DtResizableCircleSymbol

(

const DtResizableCircleSymbol &

orig

)

Copy Constructor.

virtual DtResizableCircleSymbol::~DtResizableCircleSymbol ( )

virtual

Destructor.

DtResizableCircleSymbol::DtResizableCircleSymbol ( )

private

Not implemented. Private to ensure it is only constructed with a drawer.

Member Function Documentation

DtResizableCircleSymbol& DtResizableCircleSymbol::operator=

(

const DtResizableCircleSymbol &

orig

)

Assignment Operator.

virtual DtSymbol* DtResizableCircleSymbol::clone ( ) const

virtual

Create a clone of this symbol.

Reimplemented from DtCircleSymbol.

virtual bool DtResizableCircleSymbol::originSelected ( ) const

virtual

The following methods will test the particular selection flags and return true if the particular flag is set.

virtual bool DtResizableCircleSymbol::circleSelected ( ) const

virtual

virtual bool DtResizableCircleSymbol::anythingSelected ( ) const

virtual

virtual QPoint DtResizableCircleSymbol::xOriginPoint ( ) const

virtual

Returns xOriginPoint. Set when radius is set.

virtual QPoint DtResizableCircleSymbol::endPoint ( ) const

virtual

virtual void DtResizableCircleSymbol::setOrigin ( int  x, int  y  )

virtual

Same as above.

Reimplemented from DtSymbol.

virtual void DtResizableCircleSymbol::setOrigin ( const QPoint &  center )

virtual

Set the display coordinate that will become the 0,0 point for drawing this symbol.

On most symbols, this will be the same as the center point, but this doesn not need to be the case

Reimplemented from DtSymbol.

virtual void DtResizableCircleSymbol::setRadius ( const double  r )

virtual

Also sets the end point based on the radius.

Reimplemented from DtCircleSymbol.

virtual void DtResizableCircleSymbol::setOriginRadius ( double  r )

virtual

Sets the radius of the origin point. Initially 3 pixels.

virtual double DtResizableCircleSymbol::originRadius ( ) const

virtual

virtual void DtResizableCircleSymbol::setResizing ( bool  b )

virtual

Sets whether or not this symbol is in the act of resizing.

virtual bool DtResizableCircleSymbol::resizing ( ) const

virtual

virtual void DtResizableCircleSymbol::setCreateFixed ( bool  b )

virtual

If true, automatically adds second point to create a fixed size circle.

By default, false

virtual bool DtResizableCircleSymbol::createFixed ( ) const

virtual

virtual int DtResizableCircleSymbol::pointSelected ( ) const

virtual

Returns the point selected.

In the case of the circle, only the end point (outer rim) can be selected, and, if it is, will return 0, else will return -1

virtual bool DtResizableCircleSymbol::pointHighlighted ( ) const

virtual

virtual bool DtResizableCircleSymbol::setLocationData ( const QPolygon *  pts )

virtual

Use this routine to make sure we reflect any changes in viewport or movement.

Reimplemented from DtSymbol.

virtual const QPolygon* DtResizableCircleSymbol::getLocationData ( ) const

virtual

Provided for a simpler interface to subclasses.

Since there is only one point (the origin), this routine will return NULL

Reimplemented from DtSymbol.

virtual int DtResizableCircleSymbol::getNumPoints ( ) const

virtual

virtual QPoint DtResizableCircleSymbol::getPoint ( int  iIndex ) const

virtual

virtual void DtResizableCircleSymbol::setKnobSize ( int  i )

virtual

Accessors for point knob size (if this line can be modified)

virtual int DtResizableCircleSymbol::knobSize ( ) const

virtual

virtual QPoint DtResizableCircleSymbol::computeEndPointForOrigin ( const QPoint &  origin, const QPoint &  end  )

virtual

virtual void DtResizableCircleSymbol::setSelectedPoint ( int  i )

virtual

Sets the point to be selected.

Will also reset flags based on point given: -1 - Clear selected flags 0 - Set to be origin 1+ - Set to be circle

virtual int DtResizableCircleSymbol::getNumVertexPoints ( ) const

virtual

In vertex drawing mode, returns the number of vertex points to draw and the vertex point at the particular index.

By default simple defers to getNumPoints and getPoint

virtual const QPoint DtResizableCircleSymbol::getVertexPoint ( int  pointNum ) const

virtual

virtual int DtResizableCircleSymbol::setEndPoint ( const QPoint &  pnt )

virtual

Sets the end point (x) radius of the circle. Simply calls setLocationData.

virtual bool DtResizableCircleSymbol::select ( const QPoint &  aPoint )

virtual

Check to see if the circle or origin is selected.

Reimplemented from DtCircleSymbol.

virtual bool DtResizableCircleSymbol::select ( const QPoint &  aPoint, const QSize &  rectangleSize  )

virtual

Returns true if the rectangle intersects the symbol, if the symbol is selectable.

Reimplemented from DtCircleSymbol.

virtual bool DtResizableCircleSymbol::selected ( ) const

virtual

Reimplemented from DtSymbol.

virtual int DtResizableCircleSymbol::modelPointSelected ( ) const

virtual

virtual void DtResizableCircleSymbol::setHighlight ( const bool  highlight )

protectedvirtual

Set/get the highlight flag (whether the symbol should be drawn highlighted).

Reimplemented from DtSymbol.

virtual void DtResizableCircleSymbol::shift ( QPoint  p )

protectedvirtual

Move the center of this object by p amount and recalculate the end point to keep the distance constant between origin and end point given the new location.

Reimplemented from DtSymbol.

virtual bool DtResizableCircleSymbol::adjustPoints ( QPolygon &  pnts, bool  constrain  )

protectedvirtual

Opportunity to adjust the point array to some desired other points.

By default call setLocationData(). Return true if points have been modified

Reimplemented from DtSymbol.

virtual bool DtResizableCircleSymbol::pointSelected ( const QPoint &  point )

protectedvirtual

Returns true and sets selection and highlight and selected point to knob that contains the specified point.

bool DtResizableCircleSymbol::operator== ( const DtResizableCircleSymbol &  orig ) const

protected

bool DtResizableCircleSymbol::operator!= ( const DtResizableCircleSymbol &  orig ) const

protected

virtual bool DtResizableCircleSymbol::transparentCacheChanged ( ) const

protectedvirtual

Reimplemented from DtCircleSymbol.

Member Data Documentation

int DtResizableCircleSymbol::mySelection

protected

int DtResizableCircleSymbol::myHighlightSelection

protected

bool DtResizableCircleSymbol::myResizing

protected

double DtResizableCircleSymbol::myOriginRadius

protected

bool DtResizableCircleSymbol::myCreateFixed

protected

QPolygon DtResizableCircleSymbol::myPoints

protected

int DtResizableCircleSymbol::mySelectedPoint

protected

int DtResizableCircleSymbol::myKnobSize

protected

int DtResizableCircleSymbol::myMouseSelectedPoint

protected

---

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

• include/symbology/resizableCircleSymbol.h