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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_bmp_anim_gui___app_view_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 6 43e37759235e
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/AppFramework/BmpAnim/BmpAnimGui_AppView.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/AppFramework/BmpAnim/BmpAnimGui_AppView.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">// BmpAnimGuiAppView.cpp</span>
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<a name="l00015"></a>00015 <span class="comment">//</span>
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<a name="l00016"></a>00016
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<a name="l00017"></a>00017 <span class="preprocessor">#include &quot;BmpAnimGui.h&quot;</span>
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<a name="l00018"></a>00018
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<a name="l00019"></a>00019
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<a name="l00020"></a>00020 <span class="comment">// Animate the balls such that they move across the screen in a sinusoidal pattern</span>
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<a name="l00021"></a>00021 <span class="keywordtype">void</span> CExampleAppView::LoadMbmL( <span class="keyword">const</span> TDesC&amp; aMbmFile )
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<a name="l00022"></a>00022         {
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<a name="l00023"></a>00023         <span class="comment">// Construct BitmapAnimClientData </span>
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<a name="l00024"></a>00024         <span class="keywordflow">if</span>( !iAnimFrames )
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<a name="l00025"></a>00025                 {
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<a name="l00026"></a>00026                 CFbsBitmap* bitmap;
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<a name="l00027"></a>00027                 CFbsBitmap* mask;
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<a name="l00028"></a>00028                 CBitmapFrameData* frameGeneral;
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<a name="l00029"></a>00029                 iAnimFrames = CBitmapAnimClientData::NewL();
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<a name="l00030"></a>00030                 CleanupStack::PushL( iAnimFrames );
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032                 iX = KColorBallsAnimXDeflectionStart;
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<a name="l00033"></a>00033                 TInt ballIndex = KColorBallsMbmFirstBallIndex;
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035                 <span class="keywordflow">while</span>( iX &lt; KColorBallsAnimXDeflectionTerminalValue )
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<a name="l00036"></a>00036                         {
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<a name="l00037"></a>00037                         <span class="comment">// Load the image</span>
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<a name="l00038"></a>00038                         bitmap = <span class="keyword">new</span> (ELeave) CFbsBitmap();
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<a name="l00039"></a>00039                         CleanupStack::PushL( bitmap );
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<a name="l00040"></a>00040                         User::LeaveIfError( bitmap-&gt;Load(aMbmFile, ballIndex) );
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<a name="l00041"></a>00041                         ballIndex = ( KColorBallsMbmLastBallIndex == ballIndex ) ? KColorBallsMbmFirstBallIndex : ballIndex + 1;
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<a name="l00042"></a>00042
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<a name="l00043"></a>00043                         <span class="comment">// Load the mask</span>
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<a name="l00044"></a>00044                         mask = <span class="keyword">new</span> (ELeave) CFbsBitmap();
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<a name="l00045"></a>00045                         CleanupStack::PushL( mask );
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<a name="l00046"></a>00046                         User::LeaveIfError( mask-&gt;Load(aMbmFile, KColorBallsMbmMaskIndex) );
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048                         <span class="comment">// Calculate the y deflection</span>
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<a name="l00049"></a>00049                         iY =TInt( KColorBallsAnimYDeflectionOffset + KColorBallsAnimYDeflectionMultiplier*sin( iX ));
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<a name="l00050"></a>00050
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<a name="l00051"></a>00051                         <span class="comment">// Construct the frame</span>
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<a name="l00052"></a>00052                         frameGeneral = CBitmapFrameData::NewL( bitmap, mask, KColorBallsAnimFrameDelay, TPoint(iX, iY) );
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<a name="l00053"></a>00053                         CleanupStack::PushL( frameGeneral );
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055                         <span class="comment">// Add it to the sequence</span>
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<a name="l00056"></a>00056                         iAnimFrames-&gt;AppendFrameL( frameGeneral );
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058                         <span class="comment">// Popping order- mask, bitmap, iFrameGeneral</span>
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<a name="l00059"></a>00059                         CleanupStack::Pop( 3 );
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061                         iX += KColorBallsAnimXDeflectionIncrement;
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<a name="l00062"></a>00062                         }
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<a name="l00063"></a>00063
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<a name="l00064"></a>00064                 iBitmapAnimPlayer.SetBitmapAnimDataL( *iAnimFrames );
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<a name="l00065"></a>00065                 CleanupStack::Pop( iAnimFrames );
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<a name="l00066"></a>00066                 }
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<a name="l00067"></a>00067         }
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<a name="l00068"></a>00068
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<a name="l00069"></a>00069 CExampleAppView::CExampleAppView()
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<a name="l00070"></a>00070 : iBitmapAnimPlayer( iAnimDll ),iAnimDll( iEikonEnv-&gt;WsSession() )
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072         {
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<a name="l00073"></a>00073         }
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075 <a class="code" href="class_c_example_app_view.html">CExampleAppView</a>* CExampleAppView::NewL(<span class="keyword">const</span> TRect&amp; aRect)
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<a name="l00076"></a>00076         {
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<a name="l00077"></a>00077         <a class="code" href="class_c_example_app_view.html">CExampleAppView</a>* <span class="keyword">self</span> = <span class="keyword">new</span>(ELeave) <a class="code" href="class_c_example_app_view.html">CExampleAppView</a>();
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<a name="l00078"></a>00078         CleanupStack::PushL(<span class="keyword">self</span>);
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<a name="l00079"></a>00079         <span class="keyword">self</span>-&gt;ConstructL(aRect);
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<a name="l00080"></a>00080         CleanupStack::Pop();
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<a name="l00081"></a>00081         <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00082"></a>00082         }
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<a name="l00083"></a>00083
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<a name="l00084"></a>00084 CExampleAppView::~CExampleAppView()
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<a name="l00085"></a>00085         {
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<a name="l00086"></a>00086         iBitmapAnimPlayer.Close();
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<a name="l00087"></a>00087         <span class="keyword">delete</span>( iAnimFrames );
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<a name="l00088"></a>00088         iAnimDll.Close();
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<a name="l00089"></a>00089         <span class="keyword">delete</span> iExampleText;
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<a name="l00090"></a>00090         }
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<a name="l00093"></a>00093 <span class="comment">// Standard initialisation for a window-owning control.</span>
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<a name="l00094"></a>00094 <span class="keywordtype">void</span> CExampleAppView::ConstructL(<span class="keyword">const</span> TRect&amp; aRect)
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<a name="l00095"></a>00095         {
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<a name="l00096"></a>00096         <span class="comment">// Fetch the text from the resource file.</span>
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<a name="l00097"></a>00097         iExampleText = iEikonEnv-&gt;AllocReadResourceL( R_EXAMPLE_TEXT_BB );
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<a name="l00098"></a>00098
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<a name="l00099"></a>00099         <span class="comment">// The control is window-owning.</span>
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<a name="l00100"></a>00100         CreateWindowL();
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<a name="l00101"></a>00101
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<a name="l00102"></a>00102         <span class="comment">// Extent of the control. </span>
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<a name="l00103"></a>00103         SetRect(aRect);
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<a name="l00104"></a>00104
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<a name="l00105"></a>00105         <span class="comment">// The control is ready to draw, so notify the UI framework.</span>
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<a name="l00106"></a>00106         ActivateL();
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<a name="l00107"></a>00107
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<a name="l00108"></a>00108         <span class="comment">// Some animation preamble.</span>
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<a name="l00109"></a>00109         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDllName, <span class="stringliteral">&quot;BMPANSRV.DLL&quot;</span> );
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<a name="l00110"></a>00110         User::LeaveIfError( iAnimDll.Load( KDllName ) );
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<a name="l00111"></a>00111         iBitmapAnimPlayer.ConstructL( Window() );
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<a name="l00112"></a>00112
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<a name="l00113"></a>00113         LoadMbmL( KColorBallsMbmPath );
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<a name="l00114"></a>00114         }
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<a name="l00115"></a>00115
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<a name="l00116"></a>00116
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<a name="l00117"></a>00117
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<a name="l00118"></a>00118 <span class="comment">// Draws the view with a simple outline rectangle </span>
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<a name="l00119"></a>00119 <span class="keywordtype">void</span> CExampleAppView::Draw(<span class="keyword">const</span> TRect&amp; <span class="comment">/*aRect*/</span>)<span class="keyword"> const</span>
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<a name="l00120"></a>00120 <span class="keyword">        </span>{
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<a name="l00121"></a>00121         <span class="comment">// Window graphics context</span>
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<a name="l00122"></a>00122         CWindowGc&amp; gc = SystemGc();
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<a name="l00123"></a>00123
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<a name="l00124"></a>00124         <span class="comment">// Area in which we shall draw</span>
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<a name="l00125"></a>00125         TRect drawRect = Rect();
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<a name="l00126"></a>00126
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<a name="l00127"></a>00127         <span class="comment">// The font used for drawing the text</span>
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<a name="l00128"></a>00128         <span class="keyword">const</span> CFont* fontUsed;
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<a name="l00129"></a>00129
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<a name="l00130"></a>00130         <span class="comment">// Clear the screen</span>
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<a name="l00131"></a>00131         gc.Clear();
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<a name="l00132"></a>00132
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<a name="l00133"></a>00133         <span class="comment">// Use the title font supplied by the UI</span>
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<a name="l00134"></a>00134         fontUsed = iEikonEnv-&gt;TitleFont();
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<a name="l00135"></a>00135         gc.UseFont(fontUsed);
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<a name="l00136"></a>00136
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<a name="l00137"></a>00137         <span class="comment">// Draw the text in the rectangle and discard the font.</span>
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<a name="l00138"></a>00138         TInt   baselineOffset=(drawRect.Height() - fontUsed-&gt;HeightInPixels())/5;
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<a name="l00139"></a>00139         gc.DrawText(*iExampleText,drawRect,baselineOffset,CGraphicsContext::ECenter, 0);
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<a name="l00140"></a>00140         gc.DiscardFont();
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<a name="l00141"></a>00141         }
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<a name="l00142"></a>00142
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<a name="l00148"></a>00148
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
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