The Q3CanvasPolygon class provides a polygon on a Q3Canvas. More...
#include <Q3CanvasPolygon>This class is part of the Qt 3 support library. It is provided to keep old source code working. We strongly advise against using it in new code. See Porting to Qt 4 for more information.
Inherits: Q3CanvasPolygonalItem.
Inherited by: Q3CanvasSpline.
| Q3CanvasPolygon ( Q3Canvas * canvas ) | |
| ~Q3CanvasPolygon () | |
| Q3PointArray | points () const |
| void | setPoints ( Q3PointArray pa ) |
| virtual Q3PointArray | areaPoints () const |
| virtual void | moveBy ( double dx, double dy ) |
| virtual int | rtti () const |
| virtual void | drawShape ( QPainter & p ) |
The Q3CanvasPolygon class provides a polygon on a Q3Canvas.
Paints a polygon with a QBrush. The polygon's points can be set in the constructor or set or changed later using setPoints(). Use points() to retrieve the points, or areaPoints() to retrieve the points relative to the canvas's origin.
The polygon can be drawn on a painter with drawShape().
Like any other canvas item polygons can be moved with Q3CanvasItem::move() and Q3CanvasItem::moveBy(), or by setting coordinates with Q3CanvasItem::setX(), Q3CanvasItem::setY() and Q3CanvasItem::setZ().
Note: Q3CanvasPolygon does not use the pen.
See also QtCanvas and Porting to Graphics View.
Constructs a point-less polygon on the canvas canvas. You should call setPoints() before using it further.
Destroys the polygon.
Reimplemented from Q3CanvasPolygonalItem::areaPoints().
Returns the vertices of the polygon translated by the polygon's current x(), y() position, i.e. relative to the canvas's origin.
See also setPoints() and points().
Reimplemented from Q3CanvasPolygonalItem::drawShape().
Draws the polygon using the painter p.
Note that Q3CanvasPolygon does not support an outline (the pen is always NoPen).
Reimplemented from Q3CanvasItem::moveBy().
Returns the vertices of the polygon, not translated by the position.
See also setPoints() and areaPoints().
Reimplemented from Q3CanvasItem::rtti().
Returns 4 (Q3CanvasItem::Rtti_Polygon).
See also Q3CanvasItem::rtti().
Sets the points of the polygon to be pa. These points will have their x and y coordinates automatically translated by x(), y() as the polygon is moved.
See also points().