public static PointF[] ToTransPos(CornerPoints pos)
{
var p0 = new PointF((float)pos.x0, (float)pos.y0);
var p1 = new PointF((float)pos.x1, (float)pos.y1);
var p2 = new PointF((float)pos.x2, (float)pos.y2);
return(new PointF[] { p0, p1, p2 });
}
public static Mat ToTargetPos(CornerPoints pos, Point center)
{
var mx = center.X;
var my = center.Y;
var w = Tuple.Create(pos.x1, pos.y1).L2(Tuple.Create(pos.x2, pos.y2)) / 2;
var h = Tuple.Create(pos.x0, pos.y0).L2(Tuple.Create(pos.x1, pos.y1)) / 2;
var lb = new PointF((float)(mx - w), (float)(my - h));
var lt = new PointF((float)(mx - w), (float)(my + h));
var rt = new PointF((float)(mx + w), (float)(my + h));
var pf = ToTransPos(pos);
var pl = new PointF[] { lb, lt, rt };
var mat = CvInvoke.GetAffineTransform(pf, pl);
Console.WriteLine();
return(mat);
}
