public void FindGroupRegion()
{
int minX = Int32.MaxValue, maxX = Int32.MinValue, minY = Int32.MaxValue, maxY = Int32.MinValue;
for (int i = 0; i < shapesInGroup.Count; i++)
{
MyShapes shape = shapesInGroup[i] as MyShapes;
if (shape is MyCurve curve)
{
FindCurveRegion(curve);
}
else if (shape is MyPolygon polygon)
{
FindPolygonRegion(polygon);
}
if (shape.P1.X < minX)
{
minX = shape.P1.X;
}
if (shape.P2.X < minX)
{
minX = shape.P2.X;
}
if (shape.P1.Y < minY)
{
minY = shape.P1.Y;
}
if (shape.P2.Y < minY)
{
minY = shape.P2.Y;
}
if (shape.P1.X > maxX)
{
maxX = shape.P1.X;
}
if (shape.P2.X > maxX)
{
maxX = shape.P2.X;
}
if (shape.P1.Y > maxY)
{
maxY = shape.P1.Y;
}
if (shape.P2.Y > maxY)
{
maxY = shape.P2.Y;
}
}
this.P1 = new Point(minX, minY);
this.P2 = new Point(maxX, maxY);
}
public void Add(MyShapes shape)
{
shapesInGroup.Add(shape);
}
