eric6.E5Graphics.E5ArrowItem
Module implementing a graphics item subclass for an arrow.
Global Attributes
| ArrowheadAngleFactor |
| NormalArrow |
| WideArrow |
Classes
| E5ArrowItem |
Class implementing an arrow graphics item subclass. |
Functions
E5ArrowItem
Class implementing an arrow graphics item subclass.
Derived from
QAbstractGraphicsShapeItem
Class Attributes
Class Methods
Methods
| E5ArrowItem |
Constructor |
| boundingRect |
Public method to return the bounding rectangle. |
| paint |
Public method to paint the item in local coordinates. |
| setEndPoint |
Public method to set the end point. |
| setPoints |
Public method to set the start and end points of the line. |
| setStartPoint |
Public method to set the start point. |
Static Methods
E5ArrowItem (Constructor)
E5ArrowItem(origin=None, end=None, filled=False, arrowType=NormalArrow, colors=None, parent=None)
Constructor
- origin (QPointF)
-
origin of the arrow
- end (QPointF)
-
end point of the arrow
- filled (bool)
-
flag indicating a filled arrow head
- arrowType (int, one of NormalArrow, WideArrow)
-
arrow type
- colors (tuple of (QColor, QColor))
-
tuple containing the foreground and background colors
- parent (QGraphicsItem)
-
reference to the parent object
E5ArrowItem.boundingRect
boundingRect()
Public method to return the bounding rectangle.
- Returns:
-
bounding rectangle (QRectF)
E5ArrowItem.paint
paint(painter, option, widget=None)
Public method to paint the item in local coordinates.
- painter
-
reference to the painter object (QPainter)
- option
-
style options (QStyleOptionGraphicsItem)
- widget
-
optional reference to the widget painted on (QWidget)
E5ArrowItem.setEndPoint
setEndPoint(x, y)
Public method to set the end point.
Note: This method does not redraw the item.
- x
-
x-coordinate of the end point (float)
- y
-
y-coordinate of the end point (float)
E5ArrowItem.setPoints
setPoints(xa, ya, xb, yb)
Public method to set the start and end points of the line.
Note: This method does not redraw the item.
- xa
-
x-coordinate of the start point (float)
- ya
-
y-coordinate of the start point (float)
- xb
-
x-coordinate of the end point (float)
- yb
-
y-coordinate of the end point (float)
E5ArrowItem.setStartPoint
setStartPoint(x, y)
Public method to set the start point.
Note: This method does not redraw the item.
- x
-
x-coordinate of the start point (float)
- y
-
y-coordinate of the start point (float)