// copy constructor
public RectangleR(RectangleR r)
{
_x = r.X;
_y = r.Y;
_width = r.Width;
_height = r.Height;
}
public override bool Equals(object obj)
{
if (obj is RectangleR)
{
RectangleR r = (RectangleR)obj;
return(X == r.X && Y == r.Y && Width == r.Width && Height == r.Height);
}
return(false);
}
// scales the points so that the length of their shorter side
// matches the length of the shorter side of the given box.
// thus, both dimensions are warped proportionally, rather than
// independently, like in the function ScaleTo.
public static ArrayList ScaleToMin(ArrayList points, RectangleR box)
{
ArrayList newPoints = new ArrayList(points.Count);
RectangleR r = FindBox(points);
for (int i = 0; i < points.Count; i++)
{
PointR p = (PointR)points[i];
p.X *= (box.MinSide / r.MinSide);
p.Y *= (box.MinSide / r.MinSide);
newPoints.Add(p);
}
return(newPoints);
}
// scales by the percentages contained in the 'sz' parameter. values of 1.0 would result in the
// identity scale (that is, no change).
public static ArrayList ScaleBy(ArrayList points, SizeR sz)
{
ArrayList newPoints = new ArrayList(points.Count);
RectangleR r = FindBox(points);
for (int i = 0; i < points.Count; i++)
{
PointR p = (PointR)points[i];
p.X *= sz.Width;
p.Y *= sz.Height;
newPoints.Add(p);
}
return(newPoints);
}
// translates the points so that the upper-left corner of their bounding box lies at 'toPt'
public static ArrayList TranslateBBoxTo(ArrayList points, PointR toPt)
{
ArrayList newPoints = new ArrayList(points.Count);
RectangleR r = Utils.FindBox(points);
for (int i = 0; i < points.Count; i++)
{
PointR p = (PointR)points[i];
p.X += (toPt.X - r.X);
p.Y += (toPt.Y - r.Y);
newPoints.Add(p);
}
return(newPoints);
}
// scales the points so that they form the size given. does not restore the
// origin of the box.
public static ArrayList ScaleTo(ArrayList points, SizeR sz)
{
ArrayList newPoints = new ArrayList(points.Count);
RectangleR r = FindBox(points);
for (int i = 0; i < points.Count; i++)
{
PointR p = (PointR)points[i];
if (r.Width != 0d)
{
p.X *= (sz.Width / r.Width);
}
if (r.Height != 0d)
{
p.Y *= (sz.Height / r.Height);
}
newPoints.Add(p);
}
return(newPoints);
}