diff -r 8e12a575a9b5 -r 15296fd0af4a sysperfana/heapanalyser/Libraries/UI/HeapCtrlLib/Renderers/Contents/HeapCellRendererColourByAge.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/UI/HeapCtrlLib/Renderers/Contents/HeapCellRendererColourByAge.cs	Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,146 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+*   this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright notice,
+*   this list of conditions and the following disclaimer in the documentation
+*   and/or other materials provided with the distribution.
+* - Neither the name of Nokia Corporation nor the names of its contributors
+*   may be used to endorse or promote products derived from this software
+*   without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* 
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+using System;
+using System.Drawing;
+using System.Collections;
+using HeapLib;
+using HeapLib.Cells;
+using HeapLib.Array;
+using HeapLib.Reconstructor;
+using SymbianUtils.Graphics;
+using SymbianUtils.Colour;
+using HeapCtrlLib.Interfaces;
+using HeapCtrlLib.Utilities;
+using HeapCtrlLib.Renderers;
+using HeapCtrlLib.Renderers.Contents.Bases;
+
+namespace HeapCtrlLib.Renderers.Contents
+{
+    internal class HeapCellRendererColourByAge : HeapCellRendererByColour, IHeapCellRendererContent 
+    {
+        #region Constructors & destructor
+        public HeapCellRendererColourByAge()
+        {
+        }
+        #endregion
+
+        #region From IHeapCellRendererContent
+        public void Initialise( HeapCellArray aCells, HeapReconstructor aReconstructor, HeapDataRenderer aRenderer )
+        {
+            if  ( aReconstructor != null )
+            {
+                iHighestCellAllocationNumber = aReconstructor.Statistics.StatsAllocated.CellAllocationNumberLargest.AllocationNumber;
+            }
+        }
+
+        public void PrepareToNavigate( HeapRenderingNavigator aNavigator )
+        {
+            iLargestRectangleCalculator = new HeapCellLargestRectangleCalculator( aNavigator );
+        }
+
+        public void HeapCellRenderingComplete( Graphics aGraphics, HeapCell aCell, HeapCellMetaData aMetaData )
+        {
+            Color fillColour = CellColour( aCell );
+            //
+            string text = aCell.SymbolStringWithoutDescriptorPrefix;
+            PaintBoxedTextWithLuminanceHandling( text, aGraphics, fillColour );
+        }
+
+        public void RenderingComplete( Graphics aGraphics )
+        {
+        }
+
+        public void PaintContent( Graphics aGraphics, HeapCellMetaData aMetaData, HeapCell aCell, uint aAddress, Point aPosition, Size aBoxSize, Size aPaddingSize )
+        {
+            // Get the cell colour that is associated with the cell symbol object type. This
+            // makes oldest cells very light and youngest cells very dark. We really want
+            // it the other way around...
+            aMetaData.CellBoxColor = CellColour( aCell );
+
+            // Draw actual cell
+            SymRect boxRect = new SymRect( aPosition, aBoxSize );
+            boxRect.HalfOffset( aPaddingSize );
+
+            using ( SolidBrush brush = new SolidBrush( aMetaData.CellBoxColor ) )
+            {
+                aGraphics.FillRectangle( brush, boxRect.Rectangle );
+            }
+        }
+
+        public bool SupportsFiltering
+        {
+            get { return false; }
+        }
+
+        public void SetupFilters()
+        {
+        }
+        #endregion
+
+        #region Internal methods
+        public Color CellColour( HeapCell aCell )
+        {
+            Color fillColour = Color.LightGray;
+            //
+            if  ( aCell.Type == HeapCell.TType.EAllocated )
+            {
+                // Get the cell colour that is associated with the cell symbol object type. This
+                // makes oldest cells very light and youngest cells very dark. We really want
+                // it the other way around...
+                //
+                float maxBrightness = KRampBaselineColour.GetBrightness();
+                float allocationNumberPercentage = ((float) aCell.AllocationNumber / (float) iHighestCellAllocationNumber );
+                float targetBrightness = allocationNumberPercentage * maxBrightness;
+                float amountToDarkenBy = maxBrightness - targetBrightness;
+                fillColour = ColourUtils.Darken( KRampBaselineColour, amountToDarkenBy );
+            }
+            //
+            return fillColour;
+        }
+        #endregion
+
+        #region Internal constants
+        private Color KRampBaselineColour = Color.LightBlue;
+        #endregion
+
+        #region Data members
+        private uint iHighestCellAllocationNumber = 0;
+        private Hashtable iColourHashes = new Hashtable();
+        #endregion
+    }
+}