1 files changed, 118 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing.Imaging/ColorPalette.cs b/mcs/class/System.Drawing/System.Drawing.Imaging/ColorPalette.cs
new file mode 100644
index 00000000000..a7c989f5c26
--- /dev/null
+++ b/mcs/class/System.Drawing/System.Drawing.Imaging/ColorPalette.cs
@@ -0,0 +1,118 @@
+//
+// System.Drawing.Imaging.ColorPalette.cs
+//
+// (C) 2002 Ximian, Inc.  http://www.ximian.com
+//
+// Author:
+//   Miguel de Icaza (miguel@ximian.com)
+//
+
+//
+// Copyright (C) 2004 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.
+//
+
+using System;
+using System.Drawing;
+using System.Runtime.InteropServices;
+
+namespace System.Drawing.Imaging
+{
+	public sealed class ColorPalette {
+		// 0x1: the color values in the array contain alpha information
+		// 0x2: the color values are grayscale values.
+		// 0x4: the colors in the array are halftone values.
+
+		private int flags;
+		private Color [] entries;
+
+		//
+		// There is no public constructor, this will be used somewhere in the
+		// drawing code
+		//
+		internal ColorPalette ()
+		{
+			flags = 0;
+			entries = new Color [0];
+		}
+
+		internal ColorPalette (int flags, Color[] colors) {
+			this.flags = flags;
+			entries = colors;
+		}
+
+		public Color [] Entries {
+			get {
+				return entries;
+			}
+		}
+
+		public int Flags {
+			get {
+				return flags;
+			}
+		}
+#if !TARGET_JVM
+		/* Caller should call FreeHGlobal*/
+		internal IntPtr getGDIPalette() 
+		{
+			GdiColorPalette palette = new GdiColorPalette ();			
+			Color[] entries = Entries;
+			int entry = 0;			
+			int size = Marshal.SizeOf (palette) + (Marshal.SizeOf (entry) * entries.Length);			
+			IntPtr lfBuffer = Marshal.AllocHGlobal(size);			
+			
+			palette.Flags = Flags;
+			palette.Count = entries.Length;
+			    			
+			int[] values = new int[palette.Count];
+			
+			for (int i = 0; i < values.Length; i++) {
+				values[i] = entries[i].ToArgb(); 				
+			}			
+			
+			Marshal.StructureToPtr (palette, lfBuffer, false);	
+			Marshal.Copy (values, 0, (IntPtr) (lfBuffer.ToInt64() + Marshal.SizeOf (palette)), values.Length);
+			
+			return lfBuffer;
+		}
+			
+		internal void setFromGDIPalette (IntPtr palette)
+		{
+			IntPtr ptr = palette;
+			int cnt, color;
+			int offset;
+
+			flags = Marshal.ReadInt32 (ptr); ptr = (IntPtr) (ptr.ToInt64() + 4);
+			cnt = Marshal.ReadInt32 (ptr); ptr = (IntPtr) (ptr.ToInt64() + 4);
+						
+			entries = new Color [cnt];			
+						
+			offset = 0;
+			for (int i = 0; i < cnt; i++) {
+				color = Marshal.ReadInt32 (ptr, offset);
+				entries[i] = Color.FromArgb (color);
+				offset += 4;
+			}
+		}
+#endif
+	}
+}