mcs/class/System.Drawing/System.Drawing/SolidBrush.cs

   1 //
   2 // System.Drawing.SolidBrush.cs
   3 //
   4 // Author:
   5 //   Dennis Hayes (dennish@Raytek.com)
   6 //   Alexandre Pigolkine(pigolkine@gmx.de)
   7 //
   8 // (C) 2002 Ximian, Inc
   9 //
  10 using System;
  11
  12 namespace System.Drawing
  13 {
  14         public sealed class SolidBrush : Brush {
  15
  16                 internal bool isModifiable = true;
  17                 Color color;
  18
  19                 internal SolidBrush (IntPtr ptr)
  20                         : base (ptr)
  21                 {
  22                         int val;
  23                         GDIPlus.GdipGetSolidFillColor (ptr, out val);
  24                         color = Color.FromArgb (val);
  25                 }
  26
  27                 public SolidBrush (Color color)
  28                 {
  29                         this.Color = color;
  30                         int brush;
  31                         GDIPlus.GdipCreateSolidFill (color.ToArgb (), out brush);
  32                         nativeObject = (IntPtr) brush;
  33                 }
  34
  35                 public Color Color {
  36                         get {
  37                                 return color;
  38                         }
  39                         set {
  40                                 if (isModifiable)
  41                                         color = value;
  42                                 else
  43                                         throw new ArgumentException ("You may not change this Brush because it does not belong to you.");
  44                         }
  45                 }
  46
  47                 public override object Clone()
  48                 {
  49                         return new SolidBrush (color);
  50                 }
  51
  52                 protected override void Dispose (bool disposing)
  53                 {
  54                         if (isModifiable)
  55                                 GDIPlus.GdipDeleteBrush (nativeObject);
  56                         else
  57                                 throw new ArgumentException ("You may not change this Brush because it does not belong to you.");
  58                 }
  59         }
  60 }
  61