--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/Colour/ColourUtils.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description:
+*
+*/
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace SymbianUtils.Colour
+{
+    public static class ColourUtils
+    {
+        public static Color Lighten( Color aColour )
+        {
+            Color ret = ControlPaint.Light( aColour );
+            return ret;
+        }
+
+        public static Color LightenMore( Color aColour )
+        {
+            Color ret = ControlPaint.LightLight( aColour );
+            return ret;
+        }
+
+        public static Color Darken( Color aColour )
+        {
+            Color ret = ControlPaint.Dark( aColour );
+            return ret;
+        }
+
+        public static Color Lighten( Color aColour, float aPercentage )
+        {
+            int r = aColour.R;
+            int g = aColour.G;
+            int b = aColour.B;
+            //
+            int amount = (int) ( 255.0f * aPercentage );
+            //
+            r = Math.Min( r + amount, 255 );
+            g = Math.Min( g + amount, 255 );
+            b = Math.Min( b + amount, 255 );
+            //
+            Color ret = Color.FromArgb( r, g, b );
+            return ret;
+        }
+
+        public static Color Darken( Color aColour, float aPercentage )
+        {
+            int r = aColour.R;
+            int g = aColour.G;
+            int b = aColour.B;
+            //
+            int amount = (int) ( 255.0f * aPercentage );
+            //
+            r = Math.Max( r - amount, 0 );
+            g = Math.Max( g - amount, 0 );
+            b = Math.Max( b - amount, 0 );
+            //
+            Color ret = Color.FromArgb( r, g, b );
+            return ret;
+        }
+    }
+}