mcs/class/System.Drawing/System.Drawing.Printing/Margins.cs

   1 //
   2 // System.Drawing.Margins.cs
   3 //
   4 // Authors:
   5 //   Dennis Hayes (dennish@Raytek.com)
   6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) 2002 Ximian, Inc
   9 //
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 using System;
  35 using System.ComponentModel;
  36
  37 namespace System.Drawing.Printing
  38 {
  39 #if NET_2_0
  40         [Serializable]
  41 #endif
  42         [TypeConverter (typeof (MarginsConverter))]
  43         public class Margins : ICloneable
  44         {
  45                 int left;
  46                 int right;
  47                 int top;
  48                 int bottom;
  49
  50                 public Margins()
  51                 {
  52                         left = 100;
  53                         right = 100;
  54                         top = 100;
  55                         bottom = 100;
  56                 }
  57
  58                 public Margins(int left, int right, int top, int bottom)
  59                 {
  60                         //Verify parameters
  61                         if (left < 0)
  62                                 throw new System.ArgumentException("All Margins must be greater than 0", "left");
  63                         if (right < 0)
  64                                 throw new System.ArgumentException("All Margins must be greater than 0", "right");
  65                         if (top < 0)
  66                                 throw new System.ArgumentException("All Margins must be greater than 0", "top");
  67                         if (bottom < 0)
  68                                 throw new System.ArgumentException("All Margins must be greater than 0", "bottom");
  69
  70                         //Set proprities
  71                         this.left = left;
  72                         this.right = right;
  73                         this.top = top;
  74                         this.bottom = bottom;
  75                 }
  76
  77                 public int Left {
  78                         get {
  79                                 return left;
  80                         }
  81                         set {
  82                                 if (left < 0)
  83                                         throw new System.ArgumentException("All Margins must be greater than 0", "left");
  84                                 left = value;
  85                         }
  86                 }
  87
  88                 public int Right {
  89                         get {
  90                                 return right;
  91                         }
  92                         set {
  93                                 if (right < 0)
  94                                         throw new System.ArgumentException("All Margins must be greater than 0", "right");
  95                                 right = value;
  96                         }
  97                 }
  98
  99                 public int Top {
 100                         get {
 101                                 return top;
 102                         }
 103                         set {
 104                                 if (top < 0)
 105                                         throw new System.ArgumentException("All Margins must be greater than 0", "top");
 106                                 top = value;
 107                         }
 108                 }
 109
 110                 public int Bottom {
 111                         get {
 112                                 return bottom;
 113                         }
 114                         set {
 115                                 if (bottom < 0)
 116                                         throw new System.ArgumentException("All Margins must be greater than 0", "bottom");
 117                                 bottom = value;
 118                         }
 119                 }
 120
 121                 public object Clone()
 122                 {
 123                         return new Margins (this.Left, this.Right, this.Top, this.Bottom);
 124                 }
 125
 126                 public override bool Equals (object obj)
 127                 {
 128                         Margins m = obj as Margins;
 129
 130                         if (m == null)
 131                                 return false;
 132                         if (m.Left == left && m.Right == right && m.Top == top && m.Bottom == bottom)
 133                                 return true;
 134
 135                         return false;
 136                 }
 137
 138                 public override int GetHashCode ()
 139                 {
 140                         // Try to create a somewhat meaningful hash
 141                         int hash = left + right * 2^8 + top * 2^16 + bottom * 2^24;
 142                         return hash;
 143                 }
 144
 145                 public override string ToString()
 146                 {
 147                         string ret = "[Margins Left={0} Right={1} Top={2} Bottom={3}]";
 148                         return String.Format (ret, this.Left, this.Right, this.Top, this.Bottom);
 149                 }
 150         }
 151 }