Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_bitmaps_graphics_control_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/Graphics/Bitmaps/BitmapsGraphicsControl.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include "BitmapsGraphicsControl.h"</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include <coemain.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <coeaui.h></span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KtxtSwiss,<span class="stringliteral">"Swiss"</span>);
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keywordtype">void</span> CGraphicExampleControl::ConstructL(<span class="keyword">const</span> TRect& aRect, <a class="code" href="class_m_graphics_example_observer.html">MGraphicsExampleObserver</a>* aGraphObserver, <span class="keyword">const</span> CCoeControl& aParent)
<a name="l00024"></a>00024 {
<a name="l00025"></a>00025 <span class="comment">// remember the graphics observer</span>
<a name="l00026"></a>00026 iGraphObserver=aGraphObserver;
<a name="l00027"></a>00027 <span class="comment">// create window</span>
<a name="l00028"></a>00028 CreateWindowL(&aParent);
<a name="l00029"></a>00029 <span class="comment">// construct font for messages</span>
<a name="l00030"></a>00030 TFontSpec spec(KtxtSwiss,213);
<a name="l00031"></a>00031 iMessageFont=iCoeEnv->CreateScreenFontL(spec);
<a name="l00032"></a>00032 <span class="comment">// set rectangle to prescription</span>
<a name="l00033"></a>00033 SetRect(aRect);
<a name="l00034"></a>00034 <span class="comment">// go for it</span>
<a name="l00035"></a>00035 ActivateL();
<a name="l00036"></a>00036 UpdateModelL(); <span class="comment">// phase 0</span>
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039 CGraphicExampleControl::~CGraphicExampleControl()
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 iCoeEnv->ReleaseScreenFont(iMessageFont);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordtype">void</span> CGraphicExampleControl::Quit()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 iGraphObserver->NotifyGraphicExampleFinished();
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keywordtype">void</span> CGraphicExampleControl::NextPhaseL()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordflow">if</span> (++iPhase >= iMaxPhases)
<a name="l00052"></a>00052 Quit();
<a name="l00053"></a>00053 <span class="keywordflow">else</span>
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 UpdateModelL();
<a name="l00056"></a>00056 DrawNow();
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordtype">void</span> CGraphicExampleControl::HandlePointerEventL(<span class="keyword">const</span> TPointerEvent& aPointerEvent)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (aPointerEvent.iType==TPointerEvent::EButton1Down) NextPhaseL();
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 TKeyResponse CGraphicExampleControl::OfferKeyEventL(
<a name="l00066"></a>00066 <span class="keyword">const</span> TKeyEvent& aKeyEvent,TEventCode aType
<a name="l00067"></a>00067 )
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (aType!=EEventKey) <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00070"></a>00070 TInt code=aKeyEvent.iCode;
<a name="l00071"></a>00071 <span class="keywordflow">switch</span> (code)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">case</span> <span class="charliteral">' '</span>:
<a name="l00074"></a>00074 NextPhaseL();
<a name="l00075"></a>00075 <span class="keywordflow">break</span>;
<a name="l00076"></a>00076 <span class="keywordflow">default</span>:
<a name="l00077"></a>00077 <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
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