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TextExtents.cs

//
// Mono.Cairo.TextExtents.cs
//
// Authors:
//   Duncan Mak (duncan@ximian.com)
//   Hisham Mardam Bey (hisham.mardambey@gmail.com)
//
// (C) Ximian, Inc. 2003
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Runtime.InteropServices;

namespace Cairo
{
      [StructLayout (LayoutKind.Sequential)]
      public struct TextExtents
      {
            double xbearing;
            double ybearing;
            double width;
            double height;
            double xadvance;
            double yadvance;
            
            public double XBearing {
                  get { return xbearing; }
                  set { xbearing = value; }
            }
            
            public double YBearing {
                  get { return ybearing; }
                  set { ybearing = value; }
            }
            
            public double Width {
                  get { return width; }
                  set { width = value; }
            }
            
            public double Height {
                  get { return height; }
                  set { height = value; }
            }
            
            public double XAdvance {
                  get { return xadvance; }
                  set { xadvance = value; }
            }
            
            public double YAdvance {
                  get { return yadvance; }
                  set { yadvance = value; }
            }

            public override bool Equals (object obj)
            {
                  if (obj is TextExtents)
                        return this == (TextExtents)obj;
                  return false;
            }

            public override int GetHashCode ()
            {
                  return (int)XBearing ^ (int)YBearing ^ (int)Width ^ (int)Height ^ (int)XAdvance ^ (int)YAdvance;
            }

            public static bool operator == (TextExtents extents, TextExtents other)
            {
                  return extents.XBearing == other.XBearing && extents.YBearing == other.YBearing && extents.Width == other.Width && extents.Height == other.Height && extents.XAdvance == other.XAdvance && extents.YAdvance == other.YAdvance;
            }

            public static bool operator != (TextExtents extents, TextExtents other)
            {
                  return !(extents == other);
            }
      }
}

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