--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/UI/HeapCtrlLib/Renderers/Contents/Bases/HeapCellRendererWithText.cs Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,128 @@
+/*
+* 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 SymbianUtils.Colour;
+using SymbianUtils.Graphics;
+using HeapCtrlLib.Interfaces;
+using HeapCtrlLib.Utilities;
+using HeapCtrlLib.Renderers.Utilities;
+
+namespace HeapCtrlLib.Renderers.Contents.Bases
+{
+ public class HeapCellRendererWithText : HeapCellRendererColour
+ {
+ #region Constructors & destructor
+ public HeapCellRendererWithText()
+ {
+ }
+ #endregion
+
+ #region Constants
+ private const float KSymbolFontSizeInitial = 9.0f;
+ private const float KSymbolFontSizeMinimum = 6.0f;
+ private const float KSymbolFontSizeDecrement = 0.5f;
+ private const string KSymbolFontName = "Tahoma";
+ #endregion
+
+ #region Protected properties
+ protected HeapCellLargestRectangleCalculator RectangleCalculator
+ {
+ get { return iLargestRectangleCalculator; }
+ }
+ #endregion
+
+ #region Protected drawing utilities
+ protected void PaintBoxedTextWithLuminanceHandling( string aText, Graphics aGraphics, Color aBackgroundBaselineColour )
+ {
+ SymRect rectangle = new SymRect( iLargestRectangleCalculator.Rectangle );
+ PaintBoxedTextWithLuminanceHandling( aText, aGraphics, aBackgroundBaselineColour, rectangle );
+ }
+
+ protected void PaintBoxedTextWithLuminanceHandling( string aText, Graphics aGraphics, Color aBackgroundBaselineColour, SymRect aRectangle )
+ {
+ Color textCol = Color.Black;
+ if ( aBackgroundBaselineColour.GetBrightness() < 0.4 )
+ {
+ textCol = Color.White;
+ }
+ //
+ PaintBoxedText( aText, aGraphics, textCol, aRectangle );
+ }
+
+ protected void PaintBoxedText( string aText, Graphics aGraphics, Color aTextColor )
+ {
+ SymRect rectangle = new SymRect( iLargestRectangleCalculator.Rectangle );
+ PaintBoxedText( aText, aGraphics, aTextColor, rectangle );
+ }
+
+ protected void PaintBoxedText( string aText, Graphics aGraphics, Color aTextColor, SymRect aRectangle )
+ {
+ using( StringFormat stringFormat = new StringFormat() )
+ {
+ stringFormat.Alignment = StringAlignment.Center;
+ stringFormat.LineAlignment = StringAlignment.Center;
+
+ for( float fontSize = KSymbolFontSizeInitial; fontSize >= KSymbolFontSizeMinimum; fontSize -= KSymbolFontSizeDecrement )
+ {
+ using( System.Drawing.Font font = new Font( KSymbolFontName, fontSize, FontStyle.Bold ) )
+ {
+ SizeF renderSizeF = aGraphics.MeasureString( aText, font, aRectangle.Width, stringFormat );
+ Size renderSize = new Size( (int) renderSizeF.Width, (int) renderSizeF.Height );
+ //
+ if ( renderSize.Width <= aRectangle.Width && renderSize.Height <= aRectangle.Height )
+ {
+ using( SolidBrush brush = new SolidBrush( aTextColor ) )
+ {
+ aGraphics.DrawString( aText, font, brush, aRectangle.Rectangle, stringFormat );
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ #endregion
+
+ #region Data members
+ protected HeapCellLargestRectangleCalculator iLargestRectangleCalculator;
+ #endregion
+ }
+}