qcanvasline.3qt man page
QCanvasLine — Line on a QCanvas
QCanvasLine ( QCanvas * canvas )
void setPoints ( int xa, int ya, int xb, int yb )
QPoint startPoint () const
QPoint endPoint () const
virtual int rtti () const
The QCanvasLine class provides a line on a QCanvas.
The line inherits functionality from QCanvasPolygonalItem, for example the setPen() function. The start and end points of the line are set with setPoints().
Like any other canvas item lines can be moved with QCanvasItem::move() and QCanvasItem::moveBy(), or by setting coordinates with QCanvasItem::setX(), QCanvasItem::setY() and QCanvasItem::setZ().
See also Graphics Classes and Image Processing Classes.
Member Function Documentation
QCanvasLine::QCanvasLine ( QCanvas * canvas )
Constructs a line from (0,0) to (0,0) on canvas.
See also setPoints().
Destroys the line.
QPoint QCanvasLine::endPoint () const
Returns the end point of the line.
See also setPoints() and startPoint().
int QCanvasLine::rtti () const [virtual]
Returns 7 (QCanvasItem::Rtti_Line).
See also QCanvasItem::rtti().
Reimplemented from QCanvasPolygonalItem.
void QCanvasLine::setPoints ( int xa, int ya, int xb, int yb )
Sets the line's start point to (xa, ya) and its end point to (xb, yb).
QPoint QCanvasLine::startPoint () const
Returns the start point of the line.
See also setPoints() and endPoint().
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