protected void DrawBoundingBox(Graphics g,
FlowChartPoint p1,
FlowChartPoint p2,
FlowChartPoint p3,
FlowChartPoint p4)
{
g.DrawPolygon(
ViewFactory.BoundingBoxPen,
new PointF[]
{
p1.MakePointF(),
p2.MakePointF(),
p3.MakePointF(),
p4.MakePointF()
});
}
private PointF Bezier(FlowChartPoint a, FlowChartPoint b, FlowChartPoint c, FlowChartPoint d, float t)
{
FlowChartPoint
ab = new FlowChartPoint(),
bc = new FlowChartPoint(),
cd = new FlowChartPoint(),
abbc = new FlowChartPoint(),
bccd = new FlowChartPoint(),
dest = new FlowChartPoint();
Lerp( ab, a, b, t); // point between a and b (green)
Lerp( bc, b, c, t); // point between b and c (green)
Lerp( cd, c, d, t); // point between c and d (green)
Lerp( abbc, ab, bc, t); // point between ab and bc (blue)
Lerp( bccd, bc, cd, t); // point between bc and cd (blue)
Lerp( dest, abbc, bccd, t); // point on the bezier-curve (black)
return dest.MakePointF();
}
