/*
* PointF.cs - Implementation of the "System.Drawing.PointF" class.
*
* Copyright (C) 2003 Southern Storm Software, Pty Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
namespace System.Drawing
{
using System.Runtime.InteropServices;
#if !ECMA_COMPAT
[Serializable]
[ComVisible(true)]
#endif
public struct PointF
{
// Internal state.
private float x;
private float y;
// The empty point.
public static readonly PointF Empty = new PointF(0.0f, 0.0f);
// Constructor.
public PointF(float x, float y)
{
this.x = x;
this.y = y;
}
// Determine if this point is empty.
public bool IsEmpty
{
get
{
return (x == 0.0f && y == 0.0f);
}
}
// Get or set the X co-ordinate.
public float X
{
get
{
return x;
}
set
{
x = value;
}
}
// Get or set the Y co-ordinate.
public float Y
{
get
{
return y;
}
set
{
y = value;
}
}
// Determine if two points are equal.
public override bool Equals(Object obj)
{
if(obj is PointF)
{
PointF other = (PointF)obj;
return (x == other.x && y == other.y);
}
else
{
return false;
}
}
// Get a hash code for this object.
public override int GetHashCode()
{
return base.GetHashCode();
}
#if CONFIG_EXTENDED_NUMERICS
// Convert this object into a string.
public override String ToString()
{
return "{X=" + x.ToString() + ",Y=" + y.ToString() + "}";
}
#endif
// Overloaded operators.
public static PointF operator+(PointF pt, Size sz)
{
return new PointF(pt.x + sz.Width, pt.y + sz.Height);
}
public static PointF operator-(PointF pt, Size sz)
{
return new PointF(pt.x - sz.Width, pt.y - sz.Height);
}
public static bool operator==(PointF left, PointF right)
{
return (left.x == right.x && left.y == right.y);
}
public static bool operator!=(PointF left, PointF right)
{
return (left.x != right.x || left.y != right.y);
}
}; // struct PointF
}; // namespace System.Drawing