linux-packaging-mono/mcs/class/System.Drawing/System.Drawing/SolidBrush.cs

//
// System.Drawing.SolidBrush.cs
//
// Author:
//   Dennis Hayes (dennish@Raytek.com)
//   Alexandre Pigolkine(pigolkine@gmx.de)
//   Ravindra (rkumar@novell.com)
//
// (C) 2002 Ximian, Inc.
// Copyright (C) 2004, 2007 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.
//

namespace System.Drawing {

	public sealed class SolidBrush : Brush {
		
		internal bool isModifiable = true;
		// we keep this cached because calling GdipGetSolidFillColor 
		// wouldn't return a "named" color like SD is expected to do
		private Color color;

                internal SolidBrush (IntPtr ptr)
                        : base (ptr)
                {
			int val;
			Status status = GDIPlus.GdipGetSolidFillColor (ptr, out val);
			GDIPlus.CheckStatus (status);
			color = Color.FromArgb (val);
                }

		public SolidBrush (Color color)
                {
			this.color = color;
			Status status = GDIPlus.GdipCreateSolidFill (color.ToArgb (), out nativeObject);
			GDIPlus.CheckStatus (status);
		}

		public Color Color {
			get {
				return color;
			}
			set {
				if (isModifiable) {
					color = value;
					Status status = GDIPlus.GdipSetSolidFillColor (nativeObject, value.ToArgb ());
					GDIPlus.CheckStatus (status);
				}
				else
					throw new ArgumentException (Locale.GetText ("This SolidBrush object can't be modified."));
			}
		}
		
		public override object Clone ()
		{
			IntPtr clonePtr;
			Status status = GDIPlus.GdipCloneBrush (nativeObject, out clonePtr);
			GDIPlus.CheckStatus (status);
			// we loose the named color in this case (but so does MS SD)
			return new SolidBrush (clonePtr);
		}
		
		protected override void Dispose (bool disposing)
		{
			if (disposing && !isModifiable)
				throw new ArgumentException (Locale.GetText ("This SolidBrush object can't be modified."));

			base.Dispose (disposing); 
		}
	}
}