libkpl  5.0
A Library for Graphical Presentation of Data Sets and Functions
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
ArcItem Class Reference

Arc item class. More...

#include <arcitem.h>

Inheritance diagram for ArcItem:
Inheritance graph
[legend]

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=0, 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. More...
 
 ArcItem (const ArcItem &a)
 Copy constructor. More...
 
 ArcItem (const KConfigGroup *plo, unsigned color=0, QGraphicsItem *parent=0)
 Constructor. More...
 
virtual ~ArcItem ()
 Destructor. More...
 
double dir () const
 Returns rotation angle in deg. More...
 
double height () const
 Returns height in cm. More...
 
QPixmap pixmap () const
 Returns decoration pixmap for item list. More...
 
void setDashOffset ()
 Sets offset for dashed lines. More...
 
void setDir (double dir)
 Sets rotation angle. More...
 
void setHeight (double height)
 Sets height. More...
 
void setSymbol (Symbol symbol)
 Sets line type. More...
 
void setPenWidth ()
 Sets pen width. More...
 
void setProperties (const QTransform &m)
 Sets properties according to transformation matrix. More...
 
void setSpan (double span)
 Sets arc length. More...
 
void setStart (double start)
 Sets start angle. More...
 
void setWidth (double width)
 Sets width. More...
 
double span () const
 Returns arc length in deg. More...
 
double start () const
 Returns start angle in deg. 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...
 
double width () const
 Returns width in cm. More...
 
void writePlo (KConfigGroup *plo) 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 QGraphicsPathItem
 QGraphicsPathItem (QGraphicsItem *parent)
 
 QGraphicsPathItem (const QPainterPath &path, QGraphicsItem *parent)
 
QPainterPath path () const
 
void setPath (const QPainterPath &path)
 
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 QAbstractGraphicsShapeItem
 QAbstractGraphicsShapeItem (QGraphicsItem *parent)
 
QPen pen () const
 
void setPen (const QPen &pen)
 
QBrush brush () const
 
void setBrush (const QBrush &brush)
 
- Public Member Functions inherited from QGraphicsItem
 QGraphicsItem (QGraphicsItem *parent)
 
QGraphicsScenescene () const
 
QGraphicsItemparentItem () const
 
QGraphicsItemtopLevelItem () const
 
QGraphicsObjectparentObject () const
 
QGraphicsWidgetparentWidget () const
 
QGraphicsWidgettopLevelWidget () const
 
QGraphicsWidgetwindow () const
 
QGraphicsItempanel () const
 
void setParentItem (QGraphicsItem *newParent)
 
QList< QGraphicsItem * > children () const
 
QList< QGraphicsItem * > childItems () const
 
bool isWidget () const
 
bool isWindow () const
 
bool isPanel () const
 
QGraphicsObjecttoGraphicsObject ()
 
const QGraphicsObjecttoGraphicsObject () const
 
QGraphicsItemGroupgroup () const
 
void setGroup (QGraphicsItemGroup *group)
 
GraphicsItemFlags flags () const
 
void setFlag (GraphicsItemFlag flag, bool enabled)
 
void setFlags (GraphicsItemFlags 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)
 
QGraphicsEffectgraphicsEffect () const
 
void setGraphicsEffect (QGraphicsEffect *effect)
 
Qt::MouseButtons acceptedMouseButtons () const
 
void setAcceptedMouseButtons (Qt::MouseButtons 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 ()
 
QGraphicsItemfocusProxy () const
 
void setFocusProxy (QGraphicsItem *item)
 
QGraphicsItemfocusItem () 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)
 
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 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)
 
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
 
QGraphicsItemcommonAncestorItem (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 (Qt::InputMethodHints 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
QPenchangePenWidth (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

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. 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...
 
- Public Attributes inherited from QGraphicsItem
typedef GraphicsItemFlags
 
- 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

Arc item class.

Class for arc decoration items.

Author
Werner Stille

Member Enumeration Documentation

anonymous enum

Specific QGraphicsItem type number for function type()

Enumerator
Type 

Specific QGraphicsItem type number of ArcItem for function type().

Constructor & Destructor Documentation

ArcItem::ArcItem ( double  x0 = 0,
double  y0 = 0,
unsigned  color = 0,
QGraphicsItem parent = 0,
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
x0x position in cm.
y0y position in cm.
colorcolor for arc.
parentpointer to parent item.
widthwidth in cm.
heightheight in cm.
visibletrue for visible item.
startstart angle in deg.
spanlength in deg.
symbolline type.
relSizerelative line width.
dirrotation angle in deg.
ArcItem::ArcItem ( const ArcItem a)

Copy constructor.

Parameters
asource item.
ArcItem::ArcItem ( const KConfigGroup *  plo,
unsigned  color = 0,
QGraphicsItem parent = 0 
)

Constructor.

Initializes corresponding to plot file.

Parameters
plopointer to KSimpleConfig object containing item data.
colordefault color for arc.
parentpointer to parent item.
virtual ArcItem::~ArcItem ( )
virtual

Destructor.

Member Function Documentation

double ArcItem::dir ( ) const
inline

Returns rotation angle in deg.

double ArcItem::height ( ) const
inline

Returns height in cm.

virtual void ArcItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent event)
protectedvirtual

Updates position.

Reimplemented from QGraphicsItem.

QPixmap ArcItem::pixmap ( ) const

Returns decoration pixmap for item list.

void ArcItem::setDashOffset ( )

Sets offset for dashed lines.

void ArcItem::setDir ( double  dir)
inline

Sets rotation angle.

Parameters
dirrotation angle in deg.
void ArcItem::setHeight ( double  height)
inline

Sets height.

Parameters
heightheight in cm.
void ArcItem::setPenWidth ( )

Sets pen width.

void ArcItem::setProperties ( const QTransform m)

Sets properties according to transformation matrix.

Parameters
mtransformation matrix.
void ArcItem::setProperties ( )
protected

Sets properties according to transformation matrix.

void ArcItem::setSpan ( double  span)
inline

Sets arc length.

Parameters
spanarc length in deg.
void ArcItem::setStart ( double  start)
inline

Sets start angle.

Parameters
startstart angle in deg.
void ArcItem::setSymbol ( Symbol  symbol)
inline

Sets line type.

Parameters
symbolline type.
void ArcItem::setWidth ( double  width)
inline

Sets width.

Parameters
widthwidth in cm.
double ArcItem::span ( ) const
inline

Returns arc length in deg.

double ArcItem::start ( ) const
inline

Returns start angle in deg.

Symbol ArcItem::symbol ( ) const
inline

Returns line type.

virtual int ArcItem::type ( ) const
inlinevirtual

Returns specific QGraphicsItem type number.

Reimplemented from QGraphicsPathItem.

void ArcItem::update ( )

Applies changes and forces redrawing.

double ArcItem::width ( ) const
inline

Returns width in cm.

void ArcItem::writePlo ( KConfigGroup *  plo) const

Writes into plot file.

Parameters
ploKConfigGroup object.

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