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         [TypeConverter (typeof (MarginsConverter))]
  40         public class Margins : ICloneable
  41         {
  42                 int left;
  43                 int right;
  44                 int top;
  45                 int bottom;
  46
  47                 public Margins()
  48                 {
  49                         left = 100;
  50                         right = 100;
  51                         top = 100;
  52                         bottom = 100;
  53                 }
  54
  55                 public Margins(int left, int right, int top, int bottom)
  56                 {
  57                         //Verify parameters
  58                         if (left < 0)
  59                                 throw new System.ArgumentException("All Margins must be greater than 0", "left");
  60                         if (right < 0)
  61                                 throw new System.ArgumentException("All Margins must be greater than 0", "right");
  62                         if (top < 0)
  63                                 throw new System.ArgumentException("All Margins must be greater than 0", "top");
  64                         if (bottom < 0)
  65                                 throw new System.ArgumentException("All Margins must be greater than 0", "bottom");
  66
  67                         //Set proprities
  68                         this.left = left;
  69                         this.right = right;
  70                         this.top = top;
  71                         this.bottom = bottom;
  72                 }
  73
  74                 public int Left {
  75                         get {
  76                                 return left;
  77                         }
  78                         set {
  79                                 if (left < 0)
  80                                         throw new System.ArgumentException("All Margins must be greater than 0", "left");
  81                                 left = value;
  82                         }
  83                 }
  84
  85                 public int Right {
  86                         get {
  87                                 return right;
  88                         }
  89                         set {
  90                                 if (right < 0)
  91                                         throw new System.ArgumentException("All Margins must be greater than 0", "left");
  92                                 right = value;
  93                         }
  94                 }
  95
  96                 public int Top {
  97                         get {
  98                                 return top;
  99                         }
 100                         set {
 101                                 if (top < 0)
 102                                         throw new System.ArgumentException("All Margins must be greater than 0", "left");
 103                                 top = value;
 104                         }
 105                 }
 106
 107                 public int Bottom {
 108                         get {
 109                                 return bottom;
 110                         }
 111                         set {
 112                                 if (bottom < 0)
 113                                         throw new System.ArgumentException("All Margins must be greater than 0", "left");
 114                                 bottom = value;
 115                         }
 116                 }
 117
 118                 public object Clone()
 119                 {
 120                         return new Margins (this.Left, this.Right, this.Top, this.Bottom);
 121                 }
 122
 123                 public override bool Equals (object obj)
 124                 {
 125                         Margins m = obj as Margins;
 126
 127                         if (m == null)
 128                                 return false;
 129                         if (m.Left == left && m.Right == right && m.Top == top && m.Bottom == bottom)
 130                                 return true;
 131
 132                         return false;
 133                 }
 134
 135                 public override int GetHashCode ()
 136                 {
 137                         // Try to create a somewhat meaningful hash
 138                         int hash = left + right * 2^8 + top * 2^16 + bottom * 2^24;
 139                         return hash;
 140                 }
 141
 142                 public override string ToString()
 143                 {
 144                         string ret = "[Margins Left={0} Right={1} Top={2} Bottom={3}]";
 145                         return String.Format (ret, this.Left, this.Right, this.Top, this.Bottom);
 146                 }
 147         }
 148 }