ArcItem Class Reference

Arc item class. More...

#include <arcitem.h>

Inheritance diagram for ArcItem:

Public Types
enum	{ Type = UserType + Arc }
	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
	ArcItem (double x0=0, double y0=0, unsigned color=0, QGraphicsItem *parent=nullptr, double width=3, double height=3, bool visible=true, double start=0, double span=90, Symbol symbol=SolidLine, double relSize=1, double dir=0)
	Constructor.
	ArcItem (const ArcItem &a)
	Copy constructor.
	ArcItem (const KConfigGroup *plo, unsigned color=0, QGraphicsItem *parent=nullptr)
	Constructor.
virtual	~ArcItem ()
	Destructor.
double	dir () const
	Returns rotation angle in deg.
double	height () const
	Returns height in cm.
QPixmap	pixmap () const
	Returns decoration pixmap for item list.
void	setDashOffset ()
	Sets offset for dashed lines.
void	setDir (double dir)
	Sets rotation angle.
void	setHeight (double height)
	Sets height.
void	setSymbol (Symbol symbol)
	Sets line type.
void	setPenWidth ()
	Sets pen width.
void	setProperties (const QTransform &m)
	Sets properties according to transformation matrix.
void	setSpan (double span)
	Sets arc length.
void	setStart (double start)
	Sets start angle.
void	setWidth (double width)
	Sets width.
double	span () const
	Returns arc length in deg.
double	start () const
	Returns start angle in deg.
Symbol	symbol () const
	Returns line type.
virtual int	type () const override
	Returns specific QGraphicsItem type number.
void	update ()
	Applies changes and forces redrawing.
double	width () const
	Returns width in cm.
void	writePlo (KConfigGroup *plo) const
	Writes into plot file.
Public Member Functions inherited from DecoItem
	DecoItem (unsigned color=0, double x0=0, double y0=0, double relSize=1)
	Constructor.
	DecoItem (const KConfigGroup *plo, unsigned color=0)
	Constructor.
virtual	~DecoItem ()
	Destructor.
unsigned	color () const
	Returns color.
void	setColor (unsigned color)
	Sets color.
void	setX0 (double x0)
	Sets x position.
void	setY0 (double y0)
	Sets y position.
void	updatePos (const QPointF &p, bool absolute=true)
	Updates position.
void	writePlo (KConfigGroup *plo, bool visible) const
	Writes into plot file.
double	x0 () const
	Returns x position in cm.
double	y0 () const
	Returns y position in cm.
Public Member Functions inherited from KplItem
	KplItem (double relSize=1)
	Constructor.
	KplItem (const KplItem &a)
	Copy constructor.
	KplItem (const KConfigGroup *plo)
	Constructor.
virtual	~KplItem ()
	Destructor.
void	readPlo (const KConfigGroup *plo)
	Initializes corresponding to plot file.
double	relSize () const
	Returns relative size of item.
void	setRelSize (double relSize)
	Sets relative size of item.
void	writePlo (KConfigGroup *plo, bool visible=true) const
	Writes into plot file.

Protected Member Functions
virtual void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event) override
	Updates position.
void	setProperties ()
	Sets properties according to transformation matrix.
Protected Member Functions inherited from KplItem
QPen &	changePenWidth (QPen &pen, double width) const
	Changes pen width.
QPen	createPen (QGraphicsItem *item, unsigned color=0, PenType penType=DataPen, Symbol symbol=SolidLine) const
	Creates pen for plot item.
double	penWidth (const QGraphicsItem *item, PenType penType=DataPen) const
	Calculates pen width for plot item.

Protected Attributes
double	m_width
double	m_height
double	m_dir
double	m_start
double	m_span
double	myDashOffset
Symbol	m_symbol
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.
static QBrush	createBrush (unsigned color, FillStyle fillStyle=NoBrush)
	Creates brush.
static QPen	createPen (double width, unsigned color, PenType penType, Symbol symbol)
	Creates pen.
static void	paintSymbol (QPainter *painter, const QRectF &rect, Symbol symbol=OpenCircle)
	Paints symbol.
static QPixmap	pixmap (Symbol symbol)
	Returns black decoration pixmap of plot symbol for use in dialog GUI.
static QPixmap	pixmap (QPen pen, Symbol symbol=SolidLine)
	Returns decoration pixmap of plot symbol for use in item lists.
static QString	path (const QUrl &urlPlo, const QUrl &url, bool absolute=false)
	Constructs absolute or (if possible) relative file path.
static void	resetDashOffset ()
	Resets offset for dashed lines.
static unsigned	rgb (const QString &color)
	Converts rgb string to QRgb.
static unsigned	rgbQt1 (unsigned rgb)
	Converts QRgb to Qt1 QRgb.
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.
static double	penWidthFactor (PenType penType)
	Returns factor to calculate pen width from frame width.
Static Protected Attributes inherited from KplItem
static double	m_dashOffset

Detailed Description

Arc item class.

Class for arc 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 ArcItem for function type().

Constructor & Destructor Documentation

ArcItem() [1/3]

ArcItem::ArcItem	(	double	x0 = 0,
		double	y0 = 0,
		unsigned	color = 0,
		QGraphicsItem *	parent = nullptr,
		double	width = 3,
		double	height = 3,
		bool	visible = true,
		double	start = 0,
		double	span = 90,
		Symbol	symbol = SolidLine,
		double	relSize = 1,
		double	dir = 0 )

Constructor.

Initializes corresponding to arguments.

Parameters

x0	x position in cm.
y0	y position in cm.
color	color for arc.
parent	pointer to parent item.
width	width in cm.
height	height in cm.
visible	true for visible item.
start	start angle in deg.
span	length in deg.
symbol	line type.
relSize	relative line width.
dir	rotation angle in deg.

ArcItem() [2/3]

ArcItem::ArcItem

(

const ArcItem &

a

)

Copy constructor.

Parameters

a	source item.

ArcItem() [3/3]

ArcItem::ArcItem	(	const KConfigGroup *	plo,
		unsigned	color = 0,
		QGraphicsItem *	parent = nullptr )

Constructor.

Initializes corresponding to plot file.

Parameters

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

Member Function Documentation

setDir()

void ArcItem::setDir ( double dir )

inline

Sets rotation angle.

Parameters

dir	rotation angle in deg.

setHeight()

void ArcItem::setHeight ( double height )

inline

Sets height.

Parameters

height

height in cm.

setProperties()

void ArcItem::setProperties

(

const QTransform &

m

)

Sets properties according to transformation matrix.

Parameters

m	transformation matrix.

setSpan()

void ArcItem::setSpan ( double span )

inline

Sets arc length.

Parameters

span	arc length in deg.

setStart()

void ArcItem::setStart ( double start )

inline

Sets start angle.

Parameters

start

start angle in deg.

setSymbol()

void ArcItem::setSymbol ( Symbol symbol )

inline

Sets line type.

Parameters

symbol

line type.

setWidth()

void ArcItem::setWidth ( double width )

inline

Sets width.

Parameters

width

width in cm.

writePlo()

void ArcItem::writePlo

(

KConfigGroup *

plo

)

const

Writes into plot file.

Parameters

plo	KConfigGroup object.

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

• arcitem.h