Line item class. More...

#include <lineitem.h>

Inheritance diagram for LineItem:

Public Types
enum	{ Type = UserType + Line }
	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
	LineItem (double x0=0, double y0=0, unsigned color=0, QGraphicsItem *parent=0, double length=1, bool visible=true, Symbol symbol=SolidLine, double relSize=1, double dir=0)
	Constructor. More...

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

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

virtual	~LineItem ()
	Destructor. More...

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

void	setDashOffset ()
	Sets offset for dashed lines. 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...

Public Member Functions inherited from QGraphicsLineItem
	QGraphicsLineItem (QGraphicsItem *parent)

	QGraphicsLineItem (const QLineF &line, QGraphicsItem *parent)

	QGraphicsLineItem (qreal x1, qreal y1, qreal x2, qreal y2, QGraphicsItem *parent)

QPen	pen () const

void	setPen (const QPen &pen)

QLineF	line () const

void	setLine (const QLineF &line)

void	setLine (qreal x1, qreal y1, qreal x2, qreal y2)

virtual QRectF	boundingRect () const

virtual QPainterPath	shape () const

virtual bool	contains (const QPointF &point) const

virtual void	paint (QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)

virtual bool	isObscuredBy (const QGraphicsItem *item) const

virtual QPainterPath	opaqueArea () const

Public Member Functions inherited from QGraphicsItem
	QGraphicsItem (QGraphicsItem *parent)

QGraphicsScene *	scene () const

QGraphicsItem *	parentItem () const

QGraphicsItem *	topLevelItem () const

QGraphicsObject *	parentObject () const

QGraphicsWidget *	parentWidget () const

QGraphicsWidget *	topLevelWidget () const

QGraphicsWidget *	window () const

QGraphicsItem *	panel () const

void	setParentItem (QGraphicsItem *newParent)

QList< QGraphicsItem * >	children () const

QList< QGraphicsItem * >	childItems () const

bool	isWidget () const

bool	isWindow () const

bool	isPanel () const

QGraphicsObject *	toGraphicsObject ()

const QGraphicsObject *	toGraphicsObject () const

QGraphicsItemGroup *	group () const

void	setGroup (QGraphicsItemGroup *group)

GraphicsItemFlags	flags () const

void	setFlag (GraphicsItemFlag flag, bool enabled)

void	setFlags (QFlags< QGraphicsItem::GraphicsItemFlag > flags)

CacheMode	cacheMode () const

void	setCacheMode (CacheMode mode, const QSize &logicalCacheSize)

PanelModality	panelModality () const

void	setPanelModality (PanelModality panelModality)

bool	isBlockedByModalPanel (QGraphicsItem **blockingPanel) const

QString	toolTip () const

void	setToolTip (const QString &toolTip)

QCursor	cursor () const

void	setCursor (const QCursor &cursor)

bool	hasCursor () const

void	unsetCursor ()

bool	isVisible () const

bool	isVisibleTo (const QGraphicsItem *parent) const

void	setVisible (bool visible)

void	hide ()

void	show ()

bool	isEnabled () const

void	setEnabled (bool enabled)

bool	isSelected () const

void	setSelected (bool selected)

bool	acceptDrops () const

void	setAcceptDrops (bool on)

qreal	opacity () const

qreal	effectiveOpacity () const

void	setOpacity (qreal opacity)

QGraphicsEffect *	graphicsEffect () const

void	setGraphicsEffect (QGraphicsEffect *effect)

Qt::MouseButtons	acceptedMouseButtons () const

void	setAcceptedMouseButtons (QFlags< Qt::MouseButton > buttons)

bool	acceptsHoverEvents () const

void	setAcceptsHoverEvents (bool enabled)

bool	acceptHoverEvents () const

void	setAcceptHoverEvents (bool enabled)

bool	acceptTouchEvents () const

void	setAcceptTouchEvents (bool enabled)

bool	filtersChildEvents () const

void	setFiltersChildEvents (bool enabled)

bool	handlesChildEvents () const

void	setHandlesChildEvents (bool enabled)

bool	isActive () const

void	setActive (bool active)

bool	hasFocus () const

void	setFocus (Qt::FocusReason focusReason)

void	clearFocus ()

QGraphicsItem *	focusProxy () const

void	setFocusProxy (QGraphicsItem *item)

QGraphicsItem *	focusItem () const

void	grabMouse ()

void	ungrabMouse ()

void	grabKeyboard ()

void	ungrabKeyboard ()

QPointF	pos () const

qreal	x () const

void	setX (qreal x)

qreal	y () const

void	setY (qreal y)

QPointF	scenePos () const

void	setPos (const QPointF &pos)

void	setPos (qreal x, qreal y)

void	moveBy (qreal dx, qreal dy)

void	ensureVisible (const QRectF &rect, int xmargin, int ymargin)

void	ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin, int ymargin)

QMatrix	matrix () const

QMatrix	sceneMatrix () const

void	setMatrix (const QMatrix &matrix, bool combine)

void	resetMatrix ()

QTransform	transform () const

QTransform	sceneTransform () const

QTransform	deviceTransform (const QTransform &viewportTransform) const

QTransform	itemTransform (const QGraphicsItem other, bool ok) const

void	setTransform (const QTransform &matrix, bool combine)

void	resetTransform ()

void	rotate (qreal angle)

void	scale (qreal sx, qreal sy)

void	shear (qreal sh, qreal sv)

void	translate (qreal dx, qreal dy)

void	setRotation (qreal angle)

qreal	rotation () const

void	setScale (qreal factor)

qreal	scale () const

QList< QGraphicsTransform * >	transformations () const

void	setTransformations (const QList< QGraphicsTransform * > &transformations)

QPointF	transformOriginPoint () const

void	setTransformOriginPoint (const QPointF &origin)

void	setTransformOriginPoint (qreal x, qreal y)

virtual void	advance (int phase)

qreal	zValue () const

void	setZValue (qreal z)

void	stackBefore (const QGraphicsItem *sibling)

virtual QRectF	boundingRect () const =0

QRectF	childrenBoundingRect () const

QRectF	sceneBoundingRect () const

bool	isClipped () const

QPainterPath	clipPath () const

virtual bool	collidesWithItem (const QGraphicsItem *other, Qt::ItemSelectionMode mode) const

virtual bool	collidesWithPath (const QPainterPath &path, Qt::ItemSelectionMode mode) const

QList< QGraphicsItem * >	collidingItems (Qt::ItemSelectionMode mode) const

bool	isObscured () const

bool	isObscured (const QRectF &rect) const

bool	isObscured (qreal x, qreal y, qreal w, qreal h) const

QRegion	boundingRegion (const QTransform &itemToDeviceTransform) const

qreal	boundingRegionGranularity () const

void	setBoundingRegionGranularity (qreal granularity)

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

void	update (const QRectF &rect)

void	update (qreal x, qreal y, qreal width, qreal height)

void	scroll (qreal dx, qreal dy, const QRectF &rect)

QPointF	mapToItem (const QGraphicsItem *item, const QPointF &point) const

QPointF	mapToParent (const QPointF &point) const

QPointF	mapToScene (const QPointF &point) const

QPolygonF	mapToItem (const QGraphicsItem *item, const QRectF &rect) const

QPolygonF	mapToParent (const QRectF &rect) const

QPolygonF	mapToScene (const QRectF &rect) const

QRectF	mapRectToItem (const QGraphicsItem *item, const QRectF &rect) const

QRectF	mapRectToParent (const QRectF &rect) const

QRectF	mapRectToScene (const QRectF &rect) const

QPolygonF	mapToItem (const QGraphicsItem *item, const QPolygonF &polygon) const

QPolygonF	mapToParent (const QPolygonF &polygon) const

QPolygonF	mapToScene (const QPolygonF &polygon) const

QPainterPath	mapToItem (const QGraphicsItem *item, const QPainterPath &path) const

QPainterPath	mapToParent (const QPainterPath &path) const

QPainterPath	mapToScene (const QPainterPath &path) const

QPointF	mapFromItem (const QGraphicsItem *item, const QPointF &point) const

QPointF	mapFromParent (const QPointF &point) const

QPointF	mapFromScene (const QPointF &point) const

QPolygonF	mapFromItem (const QGraphicsItem *item, const QRectF &rect) const

QPolygonF	mapFromParent (const QRectF &rect) const

QPolygonF	mapFromScene (const QRectF &rect) const

QRectF	mapRectFromItem (const QGraphicsItem *item, const QRectF &rect) const

QRectF	mapRectFromParent (const QRectF &rect) const

QRectF	mapRectFromScene (const QRectF &rect) const

QPolygonF	mapFromItem (const QGraphicsItem *item, const QPolygonF &polygon) const

QPolygonF	mapFromParent (const QPolygonF &polygon) const

QPolygonF	mapFromScene (const QPolygonF &polygon) const

QPainterPath	mapFromItem (const QGraphicsItem *item, const QPainterPath &path) const

QPainterPath	mapFromParent (const QPainterPath &path) const

QPainterPath	mapFromScene (const QPainterPath &path) const

QPointF	mapToItem (const QGraphicsItem *item, qreal x, qreal y) const

QPointF	mapToParent (qreal x, qreal y) const

QPointF	mapToScene (qreal x, qreal y) const

QPolygonF	mapToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const

QPolygonF	mapToParent (qreal x, qreal y, qreal w, qreal h) const

QPolygonF	mapToScene (qreal x, qreal y, qreal w, qreal h) const

QRectF	mapRectToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const

QRectF	mapRectToParent (qreal x, qreal y, qreal w, qreal h) const

QRectF	mapRectToScene (qreal x, qreal y, qreal w, qreal h) const

QPointF	mapFromItem (const QGraphicsItem *item, qreal x, qreal y) const

QPointF	mapFromParent (qreal x, qreal y) const

QPointF	mapFromScene (qreal x, qreal y) const

QPolygonF	mapFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const

QPolygonF	mapFromParent (qreal x, qreal y, qreal w, qreal h) const

QPolygonF	mapFromScene (qreal x, qreal y, qreal w, qreal h) const

QRectF	mapRectFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const

QRectF	mapRectFromParent (qreal x, qreal y, qreal w, qreal h) const

QRectF	mapRectFromScene (qreal x, qreal y, qreal w, qreal h) const

bool	isAncestorOf (const QGraphicsItem *child) const

QGraphicsItem *	commonAncestorItem (const QGraphicsItem *other) const

bool	isUnderMouse () const

QVariant	data (int key) const

void	setData (int key, const QVariant &value)

Qt::InputMethodHints	inputMethodHints () const

void	setInputMethodHints (QFlags< Qt::InputMethodHint > hints)

void	installSceneEventFilter (QGraphicsItem *filterItem)

void	removeSceneEventFilter (QGraphicsItem *filterItem)

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 Member Functions inherited from QGraphicsItem
void	updateMicroFocus ()

virtual bool	sceneEventFilter (QGraphicsItem watched, QEvent event)

virtual bool	sceneEvent (QEvent *event)

virtual void	contextMenuEvent (QGraphicsSceneContextMenuEvent *event)

virtual void	dragEnterEvent (QGraphicsSceneDragDropEvent *event)

virtual void	dragLeaveEvent (QGraphicsSceneDragDropEvent *event)

virtual void	dragMoveEvent (QGraphicsSceneDragDropEvent *event)

virtual void	dropEvent (QGraphicsSceneDragDropEvent *event)

virtual void	focusInEvent (QFocusEvent *event)

virtual void	focusOutEvent (QFocusEvent *event)

virtual void	hoverEnterEvent (QGraphicsSceneHoverEvent *event)

virtual void	hoverMoveEvent (QGraphicsSceneHoverEvent *event)

virtual void	hoverLeaveEvent (QGraphicsSceneHoverEvent *event)

virtual void	keyPressEvent (QKeyEvent *event)

virtual void	keyReleaseEvent (QKeyEvent *event)

virtual void	mousePressEvent (QGraphicsSceneMouseEvent *event)

virtual void	mouseMoveEvent (QGraphicsSceneMouseEvent *event)

virtual void	mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event)

virtual void	wheelEvent (QGraphicsSceneWheelEvent *event)

virtual void	inputMethodEvent (QInputMethodEvent *event)

virtual QVariant	inputMethodQuery (Qt::InputMethodQuery query) const

virtual QVariant	itemChange (GraphicsItemChange change, const QVariant &value)

void	prepareGeometryChange ()

Protected Attributes
Symbol	m_symbol

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 KUrl	absoluteUrl (const QString &path, const KUrl &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 KUrl &urlPlo, const KUrl &url, bool absolute=false)
	Constructs absolute or (if possible) relative file path. 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 QString	tempFileName (const QString &suffix=".tmp")
	Generates unique temporary file name. More...

Public Attributes inherited from QGraphicsItem
typedef	GraphicsItemFlags

Static Public Attributes inherited from KplItem
static const double	Deg2rad
	Factor for converting from degrees to radians. 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

Line item class.

Class for line decoration items.

Author: Werner Stille

Member Enumeration Documentation

anonymous enum

Specific QGraphicsItem type number for function type()

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

Constructor & Destructor Documentation

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

Constructor.

Initializes corresponding to arguments.

Parameters

x0	x start position in cm.
y0	y start position in cm.
color	color for line.
parent	pointer to parent item.
length	length in cm.
visible	true for visible item.
symbol	line type.
relSize	relative line width.
dir	direction in degree.

LineItem::LineItem ( const LineItem & a )

Copy constructor.

Parameters

a	source item.

LineItem::LineItem	(	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 line.
parent	pointer to parent item.

virtual LineItem::~LineItem ( )

virtual

Destructor.

Member Function Documentation

virtual void LineItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )

protectedvirtual

Updates position.

Reimplemented from QGraphicsItem.

QPixmap LineItem::pixmap ( ) const

Returns decoration pixmap for item list.

void LineItem::setDashOffset ( )

Sets offset for dashed lines.

void LineItem::setPenWidth ( )

Sets pen width.

void LineItem::setProperties ( const QTransform & m )

Sets properties according to transformation matrix.

Parameters

m	transformation matrix.

void LineItem::setProperties ( )

protected

Sets properties according to transformation matrix.

void LineItem::setSymbol ( Symbol symbol )

inline

Sets line type.

Parameters

symbol line type.

Symbol LineItem::symbol ( ) const

inline

Returns line type.

virtual int LineItem::type ( ) const

inlinevirtual

Returns specific QGraphicsItem type number.

Reimplemented from QGraphicsLineItem.

void LineItem::update ( )

Applies changes and forces redrawing.

void LineItem::writePlo ( KConfigGroup * plo ) const

Writes into plot file.

Parameters

plo	KConfigGroup object.

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

lineitem.h

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation