class/Mono.Cairo/Mono.Cairo/TextExtents.cs

   1 //
   2 // Mono.Cairo.TextExtents.cs
   3 //
   4 // Authors:
   5 //   Duncan Mak (duncan@ximian.com)
   6 //   Hisham Mardam Bey (hisham.mardambey@gmail.com)
   7 //
   8 // (C) Ximian, Inc. 2003
   9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Runtime.InteropServices;
  33
  34 namespace Cairo
  35 {
  36         [StructLayout (LayoutKind.Sequential)]
  37         public struct TextExtents
  38         {
  39                 double xbearing;
  40                 double ybearing;
  41                 double width;
  42                 double height;
  43                 double xadvance;
  44                 double yadvance;
  45
  46                 public double XBearing {
  47                         get { return xbearing; }
  48                         set { xbearing = value; }
  49                 }
  50
  51                 public double YBearing {
  52                         get { return ybearing; }
  53                         set { ybearing = value; }
  54                 }
  55
  56                 public double Width {
  57                         get { return width; }
  58                         set { width = value; }
  59                 }
  60
  61                 public double Height {
  62                         get { return height; }
  63                         set { height = value; }
  64                 }
  65
  66                 public double XAdvance {
  67                         get { return xadvance; }
  68                         set { xadvance = value; }
  69                 }
  70
  71                 public double YAdvance {
  72                         get { return yadvance; }
  73                         set { yadvance = value; }
  74                 }
  75
  76                 public override bool Equals (object obj)
  77                 {
  78                         if (obj is TextExtents)
  79                                 return this == (TextExtents)obj;
  80                         return false;
  81                 }
  82
  83                 public override int GetHashCode ()
  84                 {
  85                         return (int)XBearing ^ (int)YBearing ^ (int)Width ^ (int)Height ^ (int)XAdvance ^ (int)YAdvance;
  86                 }
  87
  88                 public static bool operator == (TextExtents extents, TextExtents other)
  89                 {
  90                         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;
  91                 }
  92
  93                 public static bool operator != (TextExtents extents, TextExtents other)
  94                 {
  95                         return !(extents == other);
  96                 }
  97         }
  98 }