QPolygon Class Reference
[QtGui module]

void QPolygon::putPoints ( int index, int nPoints, int firstx, int firsty, ... )

Copies nPoints points from the variable argument list into this polygon from the given index.

The points are given as a sequence of integers, starting with firstx then firsty, and so on. The polygon is resized if index+nPoints exceeds its current size.

The example code creates a polygon with three points (4,5), (6,7) and (8,9), by expanding the polygon from 1 to 3 points:

         QPolygon polygon(1);
         polygon[0] = QPoint(4, 5);
         polygon.putPoints(1, 2, 6,7, 8,9);

The following code has the same result, but here the putPoints() function overwrites rather than extends:

         QPolygon polygon(3);
         polygon.putPoints(0, 3, 4,5, 0,0, 8,9);
         polygon.putPoints(1, 1, 6,7);

See also setPoints().

void QPolygon::putPoints ( int index, int nPoints, const QPolygon & fromPolygon, int fromIndex = 0 )

This is an overloaded function.

Copies nPoints points from the given fromIndex ( 0 by default) in fromPolygon into this polygon, starting at the specified index. For example:

         QPolygon polygon1;
         polygon1.putPoints(0, 3, 1,2, 0,0, 5,6);
         // polygon1 is now the three-point polygon(1,2, 0,0, 5,6);

         QPolygon polygon2;
         polygon2.putPoints(0, 3, 4,4, 5,5, 6,6);
         // polygon2 is now (4,4, 5,5, 6,6);

         polygon1.putPoints(2, 3, polygon2);
         // polygon1 is now the five-point polygon(1,2, 0,0, 4,4, 5,5, 6,6);

         static const int points[] = { 10, 20, 30, 40 };
         QPolygon polygon;
         polygon.setPoints(2, points);

         QPolygon polygon;
         polygon.setPoints(2, 10, 20, 30, 40);