public static Rect2D PolygonBoundary(IPolygonReader[] apoly, ITransEngine2D mat)
{
if (apoly == null)
{
throw (new ArgumentNullException("PolygonsBoundary(apoly)"));
}
Rect2D ret = Rect.Empty;
Rect2D p;
for (int i = 0; i < apoly.Length; i++)
{
p = PolygonBoundary(apoly[i], mat);
if (ret.IsEmpty)
{
ret = p;
}
else
{
ret.Union(p);
}
}
return(ret);
}
//
// Summary:
// Creates a rectangle that is exactly large enough to contain the two specified
// rectangles.
//
// Parameters:
// rect1:
// The first rectangle to include.
//
// rect2:
// The second rectangle to include.
//
// Returns:
// The resulting rectangle.
public static Rect2D Union(Rect2D rect1, Rect2D rect2)
{
return(new Rect2D(Rect.Union(rect1.myRc, rect2.myRc)));
}
//
// Summary:
// Creates a rectangle that is exactly large enough to include the specified
// rectangle and the specified point.
//
// Parameters:
// rect:
// The rectangle to include.
//
// point:
// The point to include.
//
// Returns:
// A rectangle that is exactly large enough to contain the specified rectangle
// and the specified point.
public static Rect2D Union(Rect2D rect, Point point)
{
return(new Rect2D(Rect.Union(rect.myRc, point)));
}
//
// Summary:
// Expands the current rectangle exactly enough to contain the specified rectangle.
//
// Parameters:
// rect:
// The rectangle to include.
public void Union(Rect2D rect)
{
myRc.Union(rect.myRc);
}
//
// Summary:
// Returns the rectangle that results from applying the specified matrix to
// the specified rectangle.
//
// Parameters:
// rect:
// A rectangle that is the basis for the transformation.
//
// matrix:
// A matrix that specifies the transformation to apply.
//
// Returns:
// The rectangle that results from the operation.
public static Rect2D Transform(Rect2D rect, Matrix matrix)
{
return(new Rect2D(Rect.Transform(rect.myRc, matrix)));
}
//
// Summary:
// Returns a rectangle that is offset from the specified rectangle by using
// the specified horizontal and vertical amounts.
//
// Parameters:
// rect:
// The rectangle to move.
//
// offsetX:
// The horizontal offset for the new rectangle.
//
// offsetY:
// The vertical offset for the new rectangle.
//
// Returns:
// The resulting rectangle.
//
// Exceptions:
// System.InvalidOperationException:
// rect is IdaRs.GiCL2D.Rect2D.Empty.
public static Rect2D Offset(Rect2D rect, double offsetX, double offsetY)
{
return(new Rect2D(Rect.Offset(rect.myRc, offsetX, offsetY)));
}
//
// Summary:
// Returns a rectangle that is offset from the specified rectangle by using
// the specified vector.
//
// Parameters:
// rect:
// The original rectangle.
//
// offsetVector:
// A vector that specifies the horizontal and vertical offsets for the new rectangle.
//
// Returns:
// The resulting rectangle.
//
// Exceptions:
// System.InvalidOperationException:
// rect is IdaRs.GiCL2D.Rect2D.Empty.
public static Rect2D Offset(Rect2D rect, Vector offsetVector)
{
return(new Rect2D(Rect.Offset(rect.myRc, offsetVector)));
}
//
// Summary:
// Indicates whether the specified rectangle intersects with the current rectangle.
//
// Parameters:
// rect:
// The rectangle to check.
//
// Returns:
// true if the specified rectangle intersects with the current rectangle; otherwise,
// false.
public bool IntersectsWith(Rect2D rect)
{
return(myRc.IntersectsWith(rect.myRc));
}
//
// Summary:
// Returns the intersection of the specified rectangles.
//
// Parameters:
// rect1:
// The first rectangle to compare.
//
// rect2:
// The second rectangle to compare.
//
// Returns:
// The intersection of the two rectangles, or IdaRs.GiCL2D.Rect2D.Empty if no
// intersection exists.
public static Rect2D Intersect(Rect2D rect1, Rect2D rect2)
{
return(new Rect2D(Rect.Intersect(rect1.myRc, rect2.myRc)));
}
//
// Summary:
// Finds the intersection of the current rectangle and the specified rectangle,
// and stores the result as the current rectangle.
//
// Parameters:
// rect:
// The rectangle to intersect with the current rectangle.
public void Intersect(Rect2D rect)
{
myRc.Intersect(rect.myRc);
}
//
// Summary:
// Creates a rectangle that results from expanding or shrinking the specified
// rectangle by the specified width and height amounts, in all directions.
//
// Parameters:
// rect:
// The IdaRs.GiCL2D.Rect2D structure to modify.
//
// width:
// The amount by which to expand or shrink the left and right sides of the rectangle.
//
// height:
// The amount by which to expand or shrink the top and bottom sides of the rectangle.
//
// Returns:
// The resulting rectangle.
public static Rect2D Inflate(Rect2D rect, double width, double height)
{
return(new Rect2D(Rect.Inflate(rect.myRc, width, height)));
}
//
// Summary:
// Returns the rectangle that results from expanding the specified rectangle
// by the specified System.Windows.Size, in all directions.
//
// Parameters:
// rect:
// The IdaRs.GiCL2D.Rect2D structure to modify.
//
// size:
// Specifies the amount to expand the rectangle. The System.Windows.Size structure's
// System.Windows.Size.Width property specifies the amount to increase the rectangle's
// IdaRs.GiCL2D.Rect2D.Left and IdaRs.GiCL2D.Rect2D.Right properties. The System.Windows.Size
// structure's System.Windows.Size.Height property specifies the amount to increase
// the rectangle's IdaRs.GiCL2D.Rect2D.Top and IdaRs.GiCL2D.Rect2D.Bottom properties.
//
// Returns:
// The resulting rectangle.
public static Rect2D Inflate(Rect2D rect, Size size)
{
return(new Rect2D(Rect.Inflate(rect.myRc, size)));
}
//
// Summary:
// Indicates whether the specified rectangles are equal.
//
// Parameters:
// rect1:
// The first rectangle to compare.
//
// rect2:
// The second rectangle to compare.
//
// Returns:
// true if the rectangles have the same IdaRs.GiCL2D.Rect2D.Location and IdaRs.GiCL2D.Rect2D.Size
// values; otherwise, false.
public static bool Equals(Rect2D rect1, Rect2D rect2)
{
return(Rect.Equals(rect1.myRc, rect2.myRc));
}
//
// Summary:
// Indicates whether the specified rectangle is equal to the current rectangle.
//
// Parameters:
// value:
// The rectangle to compare to the current rectangle.
//
// Returns:
// true if the specified rectangle has the same IdaRs.GiCL2D.Rect2D.Location
// and IdaRs.GiCL2D.Rect2D.Size values as the current rectangle; otherwise,
// false.
public bool Equals(Rect2D value)
{
return(myRc.Equals(value.myRc));
}
//
// Summary:
// Indicates whether the rectangle contains the specified rectangle.
//
// Parameters:
// rect:
// The rectangle to check.
//
// Returns:
// true if rect is entirely contained by the rectangle; otherwise, false.
public bool Contains(Rect2D rect)
{
return(myRc.Contains(rect.myRc));
}
