Arrow item class. More...

#include <arrowitem.h>

Inheritance diagram for ArrowItem:

Public Types
enum	{ Type = UserType + Arrow }
	Specific QGraphicsItem type number for function type() More...

Public Types inherited from KplItem
enum	FillStyle { NoBrush, SolidPattern, HorPattern, VerPattern, CrossPattern, BDiagPattern, FDiagPattern, DiagCrossPattern }
	Fill styles. More...

enum	ItemType { Frame = 1, Array, Function, ParFunction, Spline, Array3D, Function3D, Legend, Text, Line, Arrow, Arc, Rectangle, Ellipse, Image, ScaleBar }
	Item types. More...

enum	PenType { FramePen, GridPen, DataPen }
	Pen types. More...

enum	Symbol { Invisible = -17, FilledOctagon, FilledHourglass, FilledTriangle, FilledSquare, FilledDiamond, FilledCircle, Umbrella, Ypsilon, Plus, Cross, OpenOctagon, OpenHourglass, OpenTriangle, OpenSquare, OpenDiamond, Dot, OpenCircle, SolidLine, DashLine1, DashLine2, DotLine1, DashLine3, DashDotLine, DashLine4, DashLine5, DotLine2 }
	Symbol types. More...

Public Member Functions
	ArrowItem (double x0=0, double y0=0, unsigned color=0, QGraphicsItem *parent=0, double length=1, bool visible=true, bool doubleHeaded=false, Symbol symbol=SolidLine, double relSize=1, double dir=0)
	Constructor. More...

	ArrowItem (const ArrowItem &a)
	Copy constructor. More...

	ArrowItem (const KConfigGroup plo, unsigned color=0, QGraphicsItem parent=0)
	Constructor. More...

virtual	~ArrowItem ()
	Destructor. More...

virtual QRectF	boundingRect () const
	Calculates bounding rectangle. More...

bool	doubleHeaded () const
	Returns true for doubleheaded arrow. More...

virtual void	paint (QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget=0)
	Paints item. More...

QPixmap	pixmap () const
	Returns decoration pixmap for item list. More...

void	setDoubleHeaded (bool b)
	Sets doubleheaded mode. More...

void	setHead ()
	Sets head shape. More...

void	setPenWidth ()
	Sets pen width. More...

void	setProperties (const QTransform &m)
	Sets properties according to transformation matrix. More...

void	setSymbol (Symbol symbol)
	Sets line type. More...

Symbol	symbol () const
	Returns line type. More...

virtual int	type () const
	Returns specific QGraphicsItem type number. More...

void	update ()
	Applies changes and forces redrawing. More...

void	writePlo (KConfigGroup *plo) const
	Writes into plot file. More...

Public Member Functions inherited from VectorItem
	VectorItem (unsigned color=0, double x0=0, double y0=0, double length=1, double dir=0, double relSize=1)
	Constructor. More...

	VectorItem (const KConfigGroup *plo, unsigned color=0)
	Constructor. More...

virtual	~VectorItem ()
	Destructor. More...

double	dir () const
	Returns rotation angle in deg. More...

double	length () const
	Returns length in cm. More...

void	setDir (double dir)
	Sets rotation angle. More...

void	setLength (double length)
	Sets length. More...

void	writePlo (KConfigGroup *plo, bool visible) const
	Writes into plot file. More...

Public Member Functions inherited from DecoItem
	DecoItem (unsigned color=0, double x0=0, double y0=0, double relSize=1)
	Constructor. More...

	DecoItem (const KConfigGroup *plo, unsigned color=0)
	Constructor. More...

virtual	~DecoItem ()
	Destructor. More...

unsigned	color () const
	Returns color. More...

void	setColor (unsigned color)
	Sets color. More...

void	setX0 (double x0)
	Sets x position. More...

void	setY0 (double y0)
	Sets y position. More...

void	updatePos (const QPointF &p, bool absolute=true)
	Updates position. More...

void	writePlo (KConfigGroup *plo, bool visible) const
	Writes into plot file. More...

double	x0 () const
	Returns x position in cm. More...

double	y0 () const
	Returns y position in cm. More...

Public Member Functions inherited from KplItem
	KplItem (double relSize=1)
	Constructor. More...

	KplItem (const KplItem &a)
	Copy constructor. More...

	KplItem (const KConfigGroup *plo)
	Constructor. More...

virtual	~KplItem ()
	Destructor. More...

void	readPlo (const KConfigGroup *plo)
	Initializes corresponding to plot file. More...

double	relSize () const
	Returns relative size of item. More...

void	setRelSize (double relSize)
	Sets relative size of item. More...

void	writePlo (KConfigGroup *plo, bool visible=true) const
	Writes into plot file. More...

Protected Member Functions
virtual void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
	Updates position. More...

void	setProperties ()
	Sets properties according to transformation matrix. More...

Protected Member Functions inherited from KplItem
QPen &	changePenWidth (QPen &pen, double width) const
	Changes pen width. More...

QPen	createPen (QGraphicsItem *item, unsigned color=0, PenType penType=DataPen, Symbol symbol=SolidLine) const
	Creates pen for plot item. More...

double	penWidth (const QGraphicsItem *item, PenType penType=DataPen) const
	Calculates pen width for plot item. More...

Protected Attributes
bool	m_doubleHeaded

Symbol	m_symbol

double	l2

double	lHead

QPolygonF	head

Protected Attributes inherited from VectorItem
double	m_length

double	m_dir

Protected Attributes inherited from DecoItem
unsigned	m_color

double	m_x0

double	m_y0

QTransform	m_matrix

Protected Attributes inherited from KplItem
double	m_relSize

Additional Inherited Members
Static Public Member Functions inherited from KplItem
static QUrl	absoluteUrl (const QString &path, const QUrl &urlPlo)
	Constructs absolute file URL. More...

static QBrush	createBrush (unsigned color, FillStyle fillStyle=NoBrush)
	Creates brush. More...

static QPen	createPen (double width, unsigned color, PenType penType, Symbol symbol)
	Creates pen. More...

static void	paintSymbol (QPainter *painter, const QRectF &rect, Symbol symbol=OpenCircle)
	Paints symbol. More...

static QPixmap	pixmap (Symbol symbol)
	Returns black decoration pixmap of plot symbol for use in dialog GUI. More...

static QPixmap	pixmap (QPen pen, Symbol symbol=SolidLine)
	Returns decoration pixmap of plot symbol for use in item lists. More...

static QString	path (const QUrl &urlPlo, const QUrl &url, bool absolute=false)
	Constructs absolute or (if possible) relative file path. More...

static void	resetDashOffset ()
	Resets offset for dashed lines. More...

static unsigned	rgb (const QString &color)
	Converts rgb string to QRgb. More...

static unsigned	rgbQt1 (unsigned rgb)
	Converts QRgb to Qt1 QRgb. More...

Static Protected Member Functions inherited from KplItem
static double	parentWidth (const QGraphicsItem *item)
	Returns width of item's parent frame or width of scene if the item has no parent item. More...

static double	penWidthFactor (PenType penType)
	Returns factor to calculate pen width from frame width. More...

Static Protected Attributes inherited from KplItem
static double	m_dashOffset

Detailed Description

Arrow item class.

Class for arrow decoration items.

Author: Werner Stille

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Specific QGraphicsItem type number for function type()

Enumerator
Type	Specific QGraphicsItem type number of ArrowItem for function type().

Constructor & Destructor Documentation

◆ ArrowItem() [1/3]

ArrowItem::ArrowItem	(	double	x0 = `0`,
		double	y0 = `0`,
		unsigned	color = `0`,
		QGraphicsItem *	parent = `0`,
		double	length = `1`,
		bool	visible = `true`,
		bool	doubleHeaded = `false`,
		Symbol	symbol = `SolidLine`,
		double	relSize = `1`,
		double	dir = `0`
	)

Constructor.

Initializes corresponding to arguments.

Parameters

x0	x position of head in cm.
y0	y position of head in cm.
color	color for arrow.
parent	pointer to parent item.
length	total length in cm.
visible	true for visible item.
doubleHeaded	true for doubleheaded arrow.
symbol	line type.
relSize	relative size of head.
dir	direction in deg.

◆ ArrowItem() [2/3]

ArrowItem::ArrowItem ( const ArrowItem & a )

Copy constructor.

Parameters

a	source item.

◆ ArrowItem() [3/3]

ArrowItem::ArrowItem	(	const KConfigGroup *	plo,
		unsigned	color = `0`,
		QGraphicsItem *	parent = `0`
	)

Constructor.

Initializes corresponding to plot file.

Parameters

plo	pointer to KSimpleConfig object containing item data.
color	default color for arrow.
parent	pointer to parent item.

◆ ~ArrowItem()

virtual ArrowItem::~ArrowItem ( )

virtual

Destructor.

Member Function Documentation

◆ boundingRect()

virtual QRectF ArrowItem::boundingRect ( ) const

virtual

Calculates bounding rectangle.

◆ doubleHeaded()

bool ArrowItem::doubleHeaded ( ) const

inline

Returns true for doubleheaded arrow.

◆ mouseReleaseEvent()

virtual void ArrowItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )

protectedvirtual

Updates position.

◆ paint()

virtual void ArrowItem::paint	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	option,
		QWidget *	widget = `0`
	)

virtual

Paints item.

◆ pixmap()

QPixmap ArrowItem::pixmap ( ) const

Returns decoration pixmap for item list.

◆ setDoubleHeaded()

void ArrowItem::setDoubleHeaded ( bool b )

inline

Sets doubleheaded mode.

Parameters

b	true for doubleheaded arrow.

◆ setHead()

void ArrowItem::setHead ( )

Sets head shape.

◆ setPenWidth()

void ArrowItem::setPenWidth ( )

Sets pen width.

◆ setProperties() [1/2]

void ArrowItem::setProperties ( const QTransform & m )

Sets properties according to transformation matrix.

Parameters

m	transformation matrix.

◆ setProperties() [2/2]

void ArrowItem::setProperties ( )

protected

Sets properties according to transformation matrix.

◆ setSymbol()

void ArrowItem::setSymbol ( Symbol symbol )

inline

Sets line type.

Parameters

symbol line type.

◆ symbol()

Symbol ArrowItem::symbol ( ) const

inline

Returns line type.

◆ type()

virtual int ArrowItem::type ( ) const

inlinevirtual

Returns specific QGraphicsItem type number.

◆ update()

void ArrowItem::update ( )

Applies changes and forces redrawing.

◆ writePlo()

void ArrowItem::writePlo ( KConfigGroup * plo ) const

Writes into plot file.

Parameters

plo	KConfigGroup object.

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

arrowitem.h

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ ArrowItem() [1/3]

◆ ArrowItem() [2/3]

◆ ArrowItem() [3/3]

◆ ~ArrowItem()

Member Function Documentation

◆ boundingRect()

◆ doubleHeaded()

◆ mouseReleaseEvent()

◆ paint()

◆ pixmap()

◆ setDoubleHeaded()

◆ setHead()

◆ setPenWidth()

◆ setProperties() [1/2]

◆ setProperties() [2/2]

◆ setSymbol()

◆ symbol()

◆ type()

◆ update()

◆ writePlo()