Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_image_converter_container_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

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<h1>examples/ForumNokia/ImageConverter/src/ImageConverterContainer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004 
<a name="l00005"></a>00005 
<a name="l00006"></a>00006 <span class="comment">// INCLUDE FILES</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include &quot;ImageConverterContainer.h&quot;</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include &quot;ImageConverterAppUi.h&quot;</span>
<a name="l00009"></a>00009 
<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;eiklabel.h&gt;</span>  <span class="comment">// for example label control</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;aknutils.h&gt;</span>  <span class="comment">// for scalable UI</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;eikdef.h&gt;</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include &lt;eikenv.h&gt;</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include &lt;e32cmn.h&gt;</span>
<a name="l00015"></a>00015 
<a name="l00016"></a>00016 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span>
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00019"></a>00019 <span class="comment">// CImageConverterContainer::ConstructL(const TRect&amp; aRect)</span>
<a name="l00020"></a>00020 <span class="comment">// EPOC two phased constructor</span>
<a name="l00021"></a>00021 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a><a class="code" href="class_c_image_converter_container.html#a70506cf9d1c6b729c955eb253c33d975">00023</a> <span class="keywordtype">void</span> <a class="code" href="class_c_image_converter_container.html#a70506cf9d1c6b729c955eb253c33d975">CImageConverterContainer::ConstructL</a>(<span class="keyword">const</span> TRect&amp; <span class="comment">/*aRect*/</span>)
<a name="l00024"></a>00024     {
<a name="l00025"></a>00025     iAppUi = (<span class="keyword">static_cast&lt;</span><a class="code" href="class_c_image_converter_app_ui.html">CImageConverterAppUi</a>*<span class="keyword">&gt;</span>(iEikonEnv-&gt;AppUi()));
<a name="l00026"></a>00026 
<a name="l00027"></a>00027     CreateWindowL();
<a name="l00028"></a>00028 
<a name="l00029"></a>00029     EnableDragEvents();
<a name="l00030"></a>00030     
<a name="l00031"></a>00031 <span class="preprocessor">    #ifdef __TUI_SUPPORTED__    </span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>    iTouchFeedBack = MTouchFeedback::Instance();
<a name="l00033"></a>00033     iTouchFeedBack-&gt;SetFeedbackEnabledForThisApp(ETrue);
<a name="l00034"></a>00034     iLongTapDetector = CAknLongTapDetector::NewL(<span class="keyword">this</span>);
<a name="l00035"></a>00035 <span class="preprocessor">    #endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>    
<a name="l00037"></a>00037     <span class="comment">// Create font</span>
<a name="l00038"></a>00038     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>( KSeries60SansB, <span class="stringliteral">&quot;Series 60 SansB&quot;</span> );
<a name="l00039"></a>00039     TFontSpec fontSpec( KSeries60SansB, 90 );
<a name="l00040"></a>00040     fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
<a name="l00041"></a>00041     User::LeaveIfError(iEikonEnv-&gt;ScreenDevice()-&gt;GetNearestFontInTwips( iFont, fontSpec ));
<a name="l00042"></a>00042 
<a name="l00043"></a>00043     TFontSpec fontSpec2( KSeries60SansB, 120 );
<a name="l00044"></a>00044     fontSpec2.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
<a name="l00045"></a>00045     User::LeaveIfError(iEikonEnv-&gt;ScreenDevice()-&gt;GetNearestFontInTwips( iCbaFont, fontSpec2 ));
<a name="l00046"></a>00046     
<a name="l00047"></a>00047     SetExtentToWholeScreen();
<a name="l00048"></a>00048     ActivateL();
<a name="l00049"></a>00049     }
<a name="l00050"></a>00050 
<a name="l00051"></a>00051 <span class="comment">// Destructor</span>
<a name="l00052"></a><a class="code" href="class_c_image_converter_container.html#a7d6c45f3a91b5a0cbefea32b4f3c4cb8">00052</a> <a class="code" href="class_c_image_converter_container.html#a7d6c45f3a91b5a0cbefea32b4f3c4cb8">CImageConverterContainer::~CImageConverterContainer</a>()
<a name="l00053"></a>00053     {
<a name="l00054"></a>00054     iDragPoints.Close();
<a name="l00055"></a>00055     <span class="keyword">delete</span> iPeriodic;
<a name="l00056"></a>00056     
<a name="l00057"></a>00057     ReleaseBackBuffer();
<a name="l00058"></a>00058 
<a name="l00059"></a>00059 <span class="preprocessor">    #ifdef __TUI_SUPPORTED__</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>    <span class="keyword">delete</span> iLongTapDetector;
<a name="l00061"></a>00061 <span class="preprocessor">    #endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063     <span class="comment">// Release font</span>
<a name="l00064"></a>00064     iEikonEnv-&gt;ScreenDevice()-&gt;ReleaseFont(iFont);
<a name="l00065"></a>00065     iEikonEnv-&gt;ScreenDevice()-&gt;ReleaseFont(iCbaFont);
<a name="l00066"></a>00066     }
<a name="l00067"></a>00067 
<a name="l00068"></a>00068 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00069"></a>00069 <span class="comment">// CImageConverterContainer::SizeChanged()</span>
<a name="l00070"></a>00070 <span class="comment">// Called by framework when the view size is changed</span>
<a name="l00071"></a>00071 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00072"></a>00072 <span class="comment">//</span>
<a name="l00073"></a>00073 <span class="keywordtype">void</span> CImageConverterContainer::SizeChanged()
<a name="l00074"></a>00074     {
<a name="l00075"></a>00075     <span class="comment">// Delete back buffer and create a new one with new size</span>
<a name="l00076"></a>00076     ReleaseBackBuffer();
<a name="l00077"></a>00077     CreateBackBufferL();
<a name="l00078"></a>00078     SetPictureScreenCenter(ETrue);
<a name="l00079"></a>00079     }
<a name="l00080"></a>00080 
<a name="l00081"></a>00081 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00082"></a>00082 <span class="comment">// CImageConverterContainer::HandleResourceChange()</span>
<a name="l00083"></a>00083 <span class="comment">// Called by framework when resource is changed.</span>
<a name="l00084"></a>00084 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00085"></a>00085 <span class="comment">//</span>
<a name="l00086"></a>00086 <span class="keywordtype">void</span> CImageConverterContainer::HandleResourceChange(TInt aType)
<a name="l00087"></a>00087     {
<a name="l00088"></a>00088     CCoeControl::HandleResourceChange(aType);
<a name="l00089"></a>00089     <span class="keywordflow">if</span> ( aType==KEikDynamicLayoutVariantSwitch )
<a name="l00090"></a>00090         {
<a name="l00091"></a>00091         SetExtentToWholeScreen();
<a name="l00092"></a>00092         }
<a name="l00093"></a>00093     }
<a name="l00094"></a>00094 
<a name="l00095"></a>00095 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00096"></a>00096 <span class="comment">// CImageConverterContainer::CountComponentControls() const</span>
<a name="l00097"></a>00097 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00098"></a>00098 <span class="comment">//</span>
<a name="l00099"></a>00099 TInt CImageConverterContainer::CountComponentControls()<span class="keyword"> const</span>
<a name="l00100"></a>00100 <span class="keyword">    </span>{
<a name="l00101"></a>00101     <span class="keywordflow">return</span> 0; <span class="comment">// return nbr of controls inside this container</span>
<a name="l00102"></a>00102     }
<a name="l00103"></a>00103 
<a name="l00104"></a>00104 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00105"></a>00105 <span class="comment">// CImageConverterContainer::ComponentControl(TInt aIndex) const</span>
<a name="l00106"></a>00106 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00107"></a>00107 <span class="comment">//</span>
<a name="l00108"></a>00108 CCoeControl* CImageConverterContainer::ComponentControl(TInt <span class="comment">/*aIndex*/</span>)<span class="keyword"> const</span>
<a name="l00109"></a>00109 <span class="keyword">    </span>{
<a name="l00110"></a>00110     <span class="keywordflow">return</span> NULL;
<a name="l00111"></a>00111     }
<a name="l00112"></a>00112 
<a name="l00113"></a>00113 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00114"></a>00114 <span class="comment">// CImageConverterContainer::Draw(const TRect&amp; aRect) const</span>
<a name="l00115"></a>00115 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00116"></a>00116 <span class="comment">//</span>
<a name="l00117"></a>00117 <span class="keywordtype">void</span> CImageConverterContainer::Draw(<span class="keyword">const</span> TRect&amp; <span class="comment">/*aRect*/</span>)<span class="keyword"> const</span>
<a name="l00118"></a>00118 <span class="keyword">    </span>{
<a name="l00119"></a>00119     CWindowGc&amp; gc = SystemGc();
<a name="l00120"></a>00120     
<a name="l00121"></a>00121     <span class="comment">// Copy backbuffer into the screen</span>
<a name="l00122"></a>00122     gc.BitBlt(TPoint(0, 0), iBackBuffer);
<a name="l00123"></a>00123     }
<a name="l00124"></a>00124 
<a name="l00125"></a>00125 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00126"></a>00126 <span class="comment">// CImageConverterContainer::HandleControlEventL(</span>
<a name="l00127"></a>00127 <span class="comment">//     CCoeControl* aControl,TCoeEvent aEventType)</span>
<a name="l00128"></a>00128 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00129"></a>00129 <span class="comment">//</span>
<a name="l00130"></a>00130 <span class="keywordtype">void</span> CImageConverterContainer::HandleControlEventL(
<a name="l00131"></a>00131     CCoeControl* <span class="comment">/*aControl*/</span>,TCoeEvent <span class="comment">/*aEventType*/</span>)
<a name="l00132"></a>00132     {
<a name="l00133"></a>00133     }
<a name="l00134"></a>00134 
<a name="l00135"></a>00135 
<a name="l00136"></a>00136 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00137"></a>00137 <span class="comment">// CImageConverterContainer::SetBitmap(CFbsBitmap* aBitmap)</span>
<a name="l00138"></a>00138 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00139"></a>00139 <span class="comment">//</span>
<a name="l00140"></a>00140 <span class="keywordtype">void</span> CImageConverterContainer::SetBitmap(CFbsBitmap* aBitmap)
<a name="l00141"></a>00141     {
<a name="l00142"></a>00142     iBitmap = aBitmap;
<a name="l00143"></a>00143 
<a name="l00144"></a>00144     <span class="keywordflow">if</span> (iBitmap)
<a name="l00145"></a>00145         {
<a name="l00146"></a>00146         <span class="comment">// Set picture first to screen center</span>
<a name="l00147"></a>00147         SetPictureScreenCenter(EFalse);
<a name="l00148"></a>00148 
<a name="l00149"></a>00149         <span class="comment">// If this picture is animated and comes from right or left</span>
<a name="l00150"></a>00150         <span class="keywordflow">if</span> (iAnimationEvent != ENoAnimation)
<a name="l00151"></a>00151             {
<a name="l00152"></a>00152             iNextAnimationWaiting = ETrue;
<a name="l00153"></a>00153             StartNewPictureAnimate();
<a name="l00154"></a>00154             }
<a name="l00155"></a>00155         }
<a name="l00156"></a>00156     }
<a name="l00157"></a>00157 
<a name="l00158"></a>00158 <span class="preprocessor">#ifdef __TUI_SUPPORTED__</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span><span class="keywordtype">void</span> CImageConverterContainer::HandlePointerEventL(<span class="keyword">const</span> TPointerEvent&amp; aPointerEvent)
<a name="l00160"></a>00160     {
<a name="l00161"></a>00161     iLongTapDetector-&gt;PointerEventL(aPointerEvent);
<a name="l00162"></a>00162     
<a name="l00163"></a>00163     <span class="keywordflow">if</span> (aPointerEvent.iType == TPointerEvent::EButton1Down)
<a name="l00164"></a>00164         {
<a name="l00165"></a>00165         iDragPoints.Reset();
<a name="l00166"></a>00166         <span class="comment">// Start dragging</span>
<a name="l00167"></a>00167         iDragPoints.Append(aPointerEvent.iPosition);
<a name="l00168"></a>00168         <span class="comment">// Give feedback to user (vibration)</span>
<a name="l00169"></a>00169         iTouchFeedBack-&gt;InstantFeedback(ETouchFeedbackBasic);
<a name="l00170"></a>00170         }
<a name="l00171"></a>00171     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (aPointerEvent.iType == TPointerEvent::EDrag)
<a name="l00172"></a>00172         {
<a name="l00173"></a>00173         <span class="comment">// Dragging...</span>
<a name="l00174"></a>00174         <span class="comment">// If long tap detection is running user is moving picture location then</span>
<a name="l00175"></a>00175         <span class="comment">// we do not have to store pointer positions</span>
<a name="l00176"></a>00176         <span class="keywordflow">if</span> (!iLongTapDetected)
<a name="l00177"></a>00177             {
<a name="l00178"></a>00178             iDragPoints.Append(aPointerEvent.iPosition);
<a name="l00179"></a>00179             }
<a name="l00180"></a>00180         <span class="keywordflow">else</span>
<a name="l00181"></a>00181             {
<a name="l00182"></a>00182             <span class="comment">// Long tap detection is activated so user is moving the picture</span>
<a name="l00183"></a>00183             MovePicture(aPointerEvent.iPosition);
<a name="l00184"></a>00184             }
<a name="l00185"></a>00185         }
<a name="l00186"></a>00186     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (aPointerEvent.iType == TPointerEvent::EButton1Up)
<a name="l00187"></a>00187         {
<a name="l00188"></a>00188         <span class="comment">// Long tap detection ends when pen is released (EButton1Up)</span>
<a name="l00189"></a>00189         <span class="keywordflow">if</span> (iLongTapDetected)
<a name="l00190"></a>00190             {
<a name="l00191"></a>00191             <span class="comment">// If long tap detection is running user is moving picture location then</span>
<a name="l00192"></a>00192             <span class="comment">// we do not have to handle pointer positions</span>
<a name="l00193"></a>00193             iLongTapDetected = EFalse;
<a name="l00194"></a>00194             <span class="keywordflow">return</span>;
<a name="l00195"></a>00195             }
<a name="l00196"></a>00196         
<a name="l00197"></a>00197         <span class="comment">// Check CBA buttons</span>
<a name="l00198"></a>00198         <span class="keywordflow">if</span> (iOptionsRect.Contains(aPointerEvent.iPosition))
<a name="l00199"></a>00199             {
<a name="l00200"></a>00200             iEikonEnv-&gt;AppUiFactory()-&gt;MenuBar()-&gt;TryDisplayMenuBarL();
<a name="l00201"></a>00201             <span class="keywordflow">return</span>;
<a name="l00202"></a>00202             }
<a name="l00203"></a>00203         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iExitRect.Contains(aPointerEvent.iPosition))
<a name="l00204"></a>00204             {
<a name="l00205"></a>00205             iAppUi-&gt;<a class="code" href="class_c_image_converter_app_ui.html#a45f6ffa274d3ac4c7d9bdb8e9ec71abd">HandleCommandL</a>(EEikCmdExit);
<a name="l00206"></a>00206             <span class="keywordflow">return</span>;
<a name="l00207"></a>00207             }
<a name="l00208"></a>00208         
<a name="l00209"></a>00209         <span class="comment">// Dragging stops</span>
<a name="l00210"></a>00210         iDragPoints.Append(aPointerEvent.iPosition);
<a name="l00211"></a>00211 
<a name="l00212"></a>00212         <span class="comment">// Clear pointer event</span>
<a name="l00213"></a>00213         iPointerEvent = ENoValidPointerEvent;
<a name="l00214"></a>00214 
<a name="l00215"></a>00215         <span class="comment">// Check user pointer event, how user move pointer</span>
<a name="l00216"></a>00216         <span class="keywordflow">if</span> (iDragPoints.Count() &gt; KMIN_POINTER_COUNT)
<a name="l00217"></a>00217             {
<a name="l00218"></a>00218             <span class="keywordflow">if</span> (!IsZooming())
<a name="l00219"></a>00219                 {
<a name="l00220"></a>00220                 <span class="keywordflow">if</span> (!IsChangingPicture())
<a name="l00221"></a>00221                     {
<a name="l00222"></a>00222                     <span class="keywordflow">if</span> (!IsRotate())
<a name="l00223"></a>00223                         {
<a name="l00224"></a>00224                         <span class="comment">// Did not found anything</span>
<a name="l00225"></a>00225                         <span class="keywordflow">return</span>;
<a name="l00226"></a>00226                         }
<a name="l00227"></a>00227                     }
<a name="l00228"></a>00228                 }
<a name="l00229"></a>00229             }
<a name="l00230"></a>00230         <span class="comment">// Do first animation and then event</span>
<a name="l00231"></a>00231         <span class="keywordflow">if</span> (iAnimationEvent != ENoAnimation)
<a name="l00232"></a>00232             {
<a name="l00233"></a>00233             <span class="comment">// Changing picture</span>
<a name="l00234"></a>00234             <span class="comment">// appUI-&gt;DoEvent() is called when current picture animation ends</span>
<a name="l00235"></a>00235             }
<a name="l00236"></a>00236         <span class="comment">// Do event only (no animation)</span>
<a name="l00237"></a>00237         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iPointerEvent != ENoValidPointerEvent &amp;&amp; iAnimationEvent == ENoAnimation)
<a name="l00238"></a>00238             {
<a name="l00239"></a>00239             DrawToBackBuffer();
<a name="l00240"></a>00240             DrawNow();
<a name="l00241"></a>00241             iAppUi-&gt;DoEvent(iPointerEvent);
<a name="l00242"></a>00242             }
<a name="l00243"></a>00243         }
<a name="l00244"></a>00244     }
<a name="l00245"></a>00245 <span class="preprocessor">#endif</span>
<a name="l00246"></a>00246 <span class="preprocessor"></span>
<a name="l00247"></a>00247 <span class="keywordtype">void</span> CImageConverterContainer::ResetTitleText(TBool aDrawNow)
<a name="l00248"></a>00248     {
<a name="l00249"></a>00249     iStateInfo.Zero();
<a name="l00250"></a>00250     <span class="keywordflow">if</span> (aDrawNow)
<a name="l00251"></a>00251         {
<a name="l00252"></a>00252         DrawToBackBuffer();
<a name="l00253"></a>00253         DrawNow();
<a name="l00254"></a>00254         }
<a name="l00255"></a>00255     }
<a name="l00256"></a>00256 
<a name="l00257"></a>00257 
<a name="l00258"></a>00258 <span class="keywordtype">void</span> CImageConverterContainer::SetTitleText(ETitleState aState, TBool aDrawNow)
<a name="l00259"></a>00259     {
<a name="l00260"></a>00260     iStateInfo.Zero();
<a name="l00261"></a>00261 
<a name="l00262"></a>00262     iTitleState = aState;
<a name="l00263"></a>00263     
<a name="l00264"></a>00264     <span class="keywordflow">switch</span> (iTitleState)
<a name="l00265"></a>00265         {
<a name="l00266"></a>00266         <span class="keywordflow">case</span> ETitleNextImage:
<a name="l00267"></a>00267             {
<a name="l00268"></a>00268             iStateInfo.Copy(_L(<span class="stringliteral">&quot;Next&quot;</span>));
<a name="l00269"></a>00269             <span class="keywordflow">break</span>;
<a name="l00270"></a>00270             }
<a name="l00271"></a>00271         <span class="keywordflow">case</span> ETitlePrevImage:
<a name="l00272"></a>00272             {
<a name="l00273"></a>00273             iStateInfo.Copy(_L(<span class="stringliteral">&quot;Previous&quot;</span>));
<a name="l00274"></a>00274             <span class="keywordflow">break</span>;
<a name="l00275"></a>00275             }
<a name="l00276"></a>00276         <span class="keywordflow">case</span> ETitleZoomIn:
<a name="l00277"></a>00277         <span class="keywordflow">case</span> ETitleZoomOut:
<a name="l00278"></a>00278             {
<a name="l00279"></a>00279             iStateInfo.Copy(_L(<span class="stringliteral">&quot;Scaled&quot;</span>));
<a name="l00280"></a>00280             <span class="keywordflow">break</span>;
<a name="l00281"></a>00281             }
<a name="l00282"></a>00282         <span class="keywordflow">case</span> ETitleRotateRight:
<a name="l00283"></a>00283         <span class="keywordflow">case</span> ETitleRotateLeft:
<a name="l00284"></a>00284             {
<a name="l00285"></a>00285             iStateInfo.Copy(_L(<span class="stringliteral">&quot;Rotated&quot;</span>));
<a name="l00286"></a>00286             <span class="keywordflow">break</span>;
<a name="l00287"></a>00287             }
<a name="l00288"></a>00288         <span class="keywordflow">default</span>:
<a name="l00289"></a>00289             {
<a name="l00290"></a>00290             <span class="keywordflow">break</span>;
<a name="l00291"></a>00291             }
<a name="l00292"></a>00292         }
<a name="l00293"></a>00293     <span class="keywordflow">if</span> (aDrawNow)
<a name="l00294"></a>00294         {
<a name="l00295"></a>00295         DrawToBackBuffer();
<a name="l00296"></a>00296         DrawNow();
<a name="l00297"></a>00297         }
<a name="l00298"></a>00298     }
<a name="l00299"></a>00299 
<a name="l00300"></a>00300 
<a name="l00301"></a>00301 TBool CImageConverterContainer::IsZooming()
<a name="l00302"></a>00302     {
<a name="l00303"></a>00303     TPoint firstPoint;
<a name="l00304"></a>00304     TPoint lastPoint;
<a name="l00305"></a>00305     firstPoint = iDragPoints[0];
<a name="l00306"></a>00306     lastPoint = iDragPoints[iDragPoints.Count()-1];
<a name="l00307"></a>00307 
<a name="l00308"></a>00308     <span class="comment">// Max difference 33%</span>
<a name="l00309"></a>00309     TInt max_x_difference = Abs(firstPoint.iY - lastPoint.iY) / 3;
<a name="l00310"></a>00310     
<a name="l00311"></a>00311     <span class="comment">// Is line straight?</span>
<a name="l00312"></a>00312     <span class="comment">// Goes all points throught and finds is some over max_x_difference</span>
<a name="l00313"></a>00313     <span class="comment">// if found this is not anymore vertical line</span>
<a name="l00314"></a>00314     <span class="keywordflow">for</span> (TInt i=1;i&lt;iDragPoints.Count();i++)
<a name="l00315"></a>00315         {
<a name="l00316"></a>00316         TPoint point = iDragPoints[i];
<a name="l00317"></a>00317         TInt value = Abs(point.iX - firstPoint.iX);
<a name="l00318"></a>00318         <span class="keywordflow">if</span> (value &gt; max_x_difference)
<a name="l00319"></a>00319             {
<a name="l00320"></a>00320             <span class="keywordflow">return</span> EFalse;
<a name="l00321"></a>00321             }
<a name="l00322"></a>00322         }
<a name="l00323"></a>00323 
<a name="l00324"></a>00324     <span class="comment">// Is direction up or down?</span>
<a name="l00325"></a>00325     lastPoint = iDragPoints[iDragPoints.Count()-1];
<a name="l00326"></a>00326     <span class="keywordflow">if</span> (firstPoint.iY &gt; lastPoint.iY)
<a name="l00327"></a>00327         {
<a name="l00328"></a>00328         iPointerEvent = EZoomIn;
<a name="l00329"></a>00329         }
<a name="l00330"></a>00330     <span class="keywordflow">else</span>
<a name="l00331"></a>00331         {
<a name="l00332"></a>00332         iPointerEvent = EZoomOut;
<a name="l00333"></a>00333         }
<a name="l00334"></a>00334     <span class="keywordflow">return</span> ETrue;
<a name="l00335"></a>00335     }
<a name="l00336"></a>00336 
<a name="l00337"></a>00337 
<a name="l00338"></a>00338 
<a name="l00339"></a>00339 TBool CImageConverterContainer::IsChangingPicture()
<a name="l00340"></a>00340     {
<a name="l00341"></a>00341     TPoint firstPoint;
<a name="l00342"></a>00342     TPoint lastPoint;
<a name="l00343"></a>00343     firstPoint = iDragPoints[0];
<a name="l00344"></a>00344     lastPoint = iDragPoints[iDragPoints.Count()-1];
<a name="l00345"></a>00345 
<a name="l00346"></a>00346     <span class="comment">// Max difference 33%</span>
<a name="l00347"></a>00347     TInt max_y_difference = Abs(firstPoint.iX - lastPoint.iX) / 3;
<a name="l00348"></a>00348     
<a name="l00349"></a>00349     <span class="comment">// Is line straight?</span>
<a name="l00350"></a>00350     <span class="comment">// Goes all points throught and finds is some over max_y_difference</span>
<a name="l00351"></a>00351     <span class="comment">// if found this is not anymore horizontal line</span>
<a name="l00352"></a>00352     <span class="keywordflow">for</span> (TInt i=1;i&lt;iDragPoints.Count();i++)
<a name="l00353"></a>00353         {
<a name="l00354"></a>00354         TPoint point = iDragPoints[i];
<a name="l00355"></a>00355         TInt value = Abs(point.iY - firstPoint.iY);
<a name="l00356"></a>00356         <span class="keywordflow">if</span> (value &gt; max_y_difference)
<a name="l00357"></a>00357             {
<a name="l00358"></a>00358             <span class="keywordflow">return</span> EFalse;
<a name="l00359"></a>00359             }
<a name="l00360"></a>00360         }
<a name="l00361"></a>00361 
<a name="l00362"></a>00362     <span class="comment">// Is direction right or left?</span>
<a name="l00363"></a>00363     lastPoint = iDragPoints[iDragPoints.Count()-1];
<a name="l00364"></a>00364     <span class="keywordflow">if</span> (firstPoint.iX &gt; lastPoint.iX)
<a name="l00365"></a>00365         {
<a name="l00366"></a>00366         iPointerEvent = ENextImage;
<a name="l00367"></a>00367         iAnimationEvent = EAnimateToLeft;
<a name="l00368"></a>00368         }
<a name="l00369"></a>00369     <span class="keywordflow">else</span>
<a name="l00370"></a>00370         {
<a name="l00371"></a>00371         iPointerEvent = EPrevImage;
<a name="l00372"></a>00372         iAnimationEvent = EAnimateToRight;
<a name="l00373"></a>00373         }
<a name="l00374"></a>00374 
<a name="l00375"></a>00375     StartAnimateL();
<a name="l00376"></a>00376     <span class="keywordflow">return</span> ETrue;
<a name="l00377"></a>00377     }
<a name="l00378"></a>00378 
<a name="l00379"></a>00379 <span class="keywordtype">void</span> CImageConverterContainer::ChangeNextPictureL()
<a name="l00380"></a>00380     {
<a name="l00381"></a>00381     iAnimationEvent = EAnimateToLeft;
<a name="l00382"></a>00382     iPointerEvent = ENextImage;
<a name="l00383"></a>00383     StartAnimateL();
<a name="l00384"></a>00384     }
<a name="l00385"></a>00385 
<a name="l00386"></a>00386 <span class="keywordtype">void</span> CImageConverterContainer::ChangePrevPictureL()
<a name="l00387"></a>00387     {
<a name="l00388"></a>00388     iAnimationEvent = EAnimateToRight;
<a name="l00389"></a>00389     iPointerEvent = EPrevImage;
<a name="l00390"></a>00390     StartAnimateL();
<a name="l00391"></a>00391     }
<a name="l00392"></a>00392 
<a name="l00393"></a>00393 TPoint CImageConverterContainer::FindCenterPointInRotate(TPoint&amp; aFirstPoint)
<a name="l00394"></a>00394     {
<a name="l00395"></a>00395     TPoint center;
<a name="l00396"></a>00396     TInt  farist(0);
<a name="l00397"></a>00397 
<a name="l00398"></a>00398     <span class="keywordflow">for</span> (TInt i=0;i&lt;iDragPoints.Count();i++)
<a name="l00399"></a>00399         {
<a name="l00400"></a>00400         TPoint point = iDragPoints[i];
<a name="l00401"></a>00401         TInt value = Abs(point.iX - aFirstPoint.iX);
<a name="l00402"></a>00402         <span class="keywordflow">if</span> (value &gt; farist)
<a name="l00403"></a>00403             {
<a name="l00404"></a>00404             farist = value;
<a name="l00405"></a>00405             center = point;
<a name="l00406"></a>00406             }
<a name="l00407"></a>00407         }
<a name="l00408"></a>00408     
<a name="l00409"></a>00409     <span class="keywordflow">return</span> center;
<a name="l00410"></a>00410     }
<a name="l00411"></a>00411 
<a name="l00412"></a>00412 <span class="keywordtype">void</span> CImageConverterContainer::FindPointsForRotate(TPoint&amp; aTopPoint, 
<a name="l00413"></a>00413         TPoint&amp; aCenterPoint, TPoint&amp; aBottomPoint, TBool&amp; aDrawDirectionIsFromTop)
<a name="l00414"></a>00414     {
<a name="l00415"></a>00415     aTopPoint = TPoint(Size().iWidth/2,Size().iHeight);
<a name="l00416"></a>00416     aBottomPoint = TPoint(Size().iWidth/2,0);
<a name="l00417"></a>00417     TInt topIndex=0;
<a name="l00418"></a>00418     TInt bottomIndex=0;
<a name="l00419"></a>00419 
<a name="l00420"></a>00420     <span class="comment">// Find top and bottom points</span>
<a name="l00421"></a>00421     <span class="keywordflow">for</span> (TInt i=0;i&lt;iDragPoints.Count();i++)
<a name="l00422"></a>00422         {
<a name="l00423"></a>00423         <span class="keywordflow">if</span> (aTopPoint.iY &gt; iDragPoints[i].iY)
<a name="l00424"></a>00424             {
<a name="l00425"></a>00425             aTopPoint = iDragPoints[i];
<a name="l00426"></a>00426             topIndex = i;
<a name="l00427"></a>00427             }
<a name="l00428"></a>00428         <span class="keywordflow">if</span> (aBottomPoint.iY &lt; iDragPoints[i].iY)
<a name="l00429"></a>00429             {
<a name="l00430"></a>00430             aBottomPoint = iDragPoints[i];
<a name="l00431"></a>00431             bottomIndex = i;
<a name="l00432"></a>00432             }
<a name="l00433"></a>00433         }
<a name="l00434"></a>00434     
<a name="l00435"></a>00435     <span class="comment">// Find center point</span>
<a name="l00436"></a>00436     aCenterPoint = FindCenterPointInRotate(aTopPoint);
<a name="l00437"></a>00437     
<a name="l00438"></a>00438     <span class="comment">// Is direction to left or right?</span>
<a name="l00439"></a>00439     <span class="keywordflow">if</span> (topIndex &lt; bottomIndex)
<a name="l00440"></a>00440         {
<a name="l00441"></a>00441         aDrawDirectionIsFromTop = ETrue;
<a name="l00442"></a>00442         }
<a name="l00443"></a>00443     <span class="keywordflow">else</span>
<a name="l00444"></a>00444         {
<a name="l00445"></a>00445         aDrawDirectionIsFromTop = EFalse;
<a name="l00446"></a>00446         }
<a name="l00447"></a>00447     }
<a name="l00448"></a>00448 
<a name="l00449"></a>00449 
<a name="l00450"></a>00450 TBool CImageConverterContainer::IsRotate()
<a name="l00451"></a>00451     {
<a name="l00452"></a>00452     TPoint firstPoint;
<a name="l00453"></a>00453     TPoint centerPoint;
<a name="l00454"></a>00454     TPoint lastPoint;
<a name="l00455"></a>00455     TBool drawFromTop;
<a name="l00456"></a>00456     
<a name="l00457"></a>00457     <span class="comment">// Find points locations (top, bottom, center(left/right))</span>
<a name="l00458"></a>00458     FindPointsForRotate(firstPoint,centerPoint,lastPoint,drawFromTop);
<a name="l00459"></a>00459     
<a name="l00460"></a>00460     <span class="comment">// Max difference is height of the drawed thing</span>
<a name="l00461"></a>00461     TInt height = Abs(firstPoint.iY - lastPoint.iY);
<a name="l00462"></a>00462     
<a name="l00463"></a>00463     <span class="comment">// Start and end point x difference can not be more than</span>
<a name="l00464"></a>00464     <span class="comment">// height of the whole thing</span>
<a name="l00465"></a>00465     TInt xSE = Abs(firstPoint.iX - lastPoint.iX);
<a name="l00466"></a>00466     <span class="keywordflow">if</span> (xSE &gt; height)
<a name="l00467"></a>00467         {
<a name="l00468"></a>00468         <span class="keywordflow">return</span> EFalse;
<a name="l00469"></a>00469         }
<a name="l00470"></a>00470     
<a name="l00471"></a>00471     <span class="comment">// Check center point in x-axel</span>
<a name="l00472"></a>00472     TInt maxXcenterLine = Max(Abs(firstPoint.iX-centerPoint.iX),Abs(lastPoint.iX-centerPoint.iX));
<a name="l00473"></a>00473     <span class="comment">// Must draw to right or left at least 33% from height</span>
<a name="l00474"></a>00474     <span class="keywordflow">if</span> (maxXcenterLine &lt; height / 3) <span class="comment">// 33%</span>
<a name="l00475"></a>00475         {
<a name="l00476"></a>00476         <span class="keywordflow">return</span> EFalse;
<a name="l00477"></a>00477         }
<a name="l00478"></a>00478     
<a name="l00479"></a>00479     <span class="comment">// Rotate to left or right?</span>
<a name="l00480"></a>00480     <span class="keywordflow">if</span> (centerPoint.iX &lt; firstPoint.iX)
<a name="l00481"></a>00481         {
<a name="l00482"></a>00482         <span class="comment">// Left</span>
<a name="l00483"></a>00483         <span class="keywordflow">if</span> (drawFromTop)
<a name="l00484"></a>00484             {
<a name="l00485"></a>00485             iPointerEvent = ERotateLeft;
<a name="l00486"></a>00486             }
<a name="l00487"></a>00487         <span class="keywordflow">else</span>
<a name="l00488"></a>00488             {
<a name="l00489"></a>00489             iPointerEvent = ERotateRight;
<a name="l00490"></a>00490             }
<a name="l00491"></a>00491         }
<a name="l00492"></a>00492     <span class="keywordflow">else</span>
<a name="l00493"></a>00493         {
<a name="l00494"></a>00494         <span class="comment">// Right</span>
<a name="l00495"></a>00495         <span class="keywordflow">if</span> (drawFromTop)
<a name="l00496"></a>00496             {
<a name="l00497"></a>00497             iPointerEvent = ERotateRight;
<a name="l00498"></a>00498             }
<a name="l00499"></a>00499         <span class="keywordflow">else</span>
<a name="l00500"></a>00500             {
<a name="l00501"></a>00501             iPointerEvent = ERotateLeft;
<a name="l00502"></a>00502             }
<a name="l00503"></a>00503         }
<a name="l00504"></a>00504 
<a name="l00505"></a>00505     <span class="keywordflow">return</span> ETrue;
<a name="l00506"></a>00506     }
<a name="l00507"></a>00507 
<a name="l00508"></a>00508 <span class="keywordtype">void</span> CImageConverterContainer::StartAnimateL()
<a name="l00509"></a>00509     {
<a name="l00510"></a>00510     <span class="comment">// Start animation timer, image is ready</span>
<a name="l00511"></a>00511     <span class="keywordflow">if</span> (iAnimationEvent != ENoAnimation &amp;&amp; iBitmap &amp;&amp; !iAppUi-&gt;IsEngineBusy())
<a name="l00512"></a>00512         {
<a name="l00513"></a>00513         <span class="keywordflow">if</span> (!iPeriodic)
<a name="l00514"></a>00514             {
<a name="l00515"></a>00515             iPeriodic = CPeriodic::NewL(CActive::EPriorityStandard);
<a name="l00516"></a>00516             }
<a name="l00517"></a>00517         <span class="keywordflow">if</span> (iPeriodic)
<a name="l00518"></a>00518             {
<a name="l00519"></a>00519             iPeriodic-&gt;Cancel();
<a name="l00520"></a>00520             }
<a name="l00521"></a>00521 
<a name="l00522"></a>00522         <span class="comment">// Update title</span>
<a name="l00523"></a>00523         <span class="keywordflow">if</span> (iAnimationEvent == EAnimateToLeft)
<a name="l00524"></a>00524             {
<a name="l00525"></a>00525             SetTitleText(ETitleNextImage,EFalse);
<a name="l00526"></a>00526             }
<a name="l00527"></a>00527         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(iAnimationEvent == EAnimateToRight)
<a name="l00528"></a>00528             {
<a name="l00529"></a>00529             SetTitleText(ETitlePrevImage,EFalse);
<a name="l00530"></a>00530             }
<a name="l00531"></a>00531         
<a name="l00532"></a>00532         
<a name="l00533"></a>00533         <span class="keywordflow">if</span> (iAnimationEvent == EAnimateToLeft  || iAnimationEvent == EAnimateToRight)
<a name="l00534"></a>00534             {
<a name="l00535"></a>00535             iAnimateX = 0;
<a name="l00536"></a>00536             iPixelsToMove = 1;
<a name="l00537"></a>00537             }
<a name="l00538"></a>00538         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromRight)
<a name="l00539"></a>00539             {
<a name="l00540"></a>00540             iAnimateX = 0;
<a name="l00541"></a>00541             iPixelsToMove = (Size().iWidth - iBitmap-&gt;SizeInPixels().iWidth)/2 + iBitmap-&gt;SizeInPixels().iWidth;
<a name="l00542"></a>00542             }
<a name="l00543"></a>00543         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromLeft)
<a name="l00544"></a>00544             {
<a name="l00545"></a>00545             iAnimateX = 0;
<a name="l00546"></a>00546             iPixelsToMove = (Size().iWidth - iBitmap-&gt;SizeInPixels().iWidth)/2 + iBitmap-&gt;SizeInPixels().iWidth;
<a name="l00547"></a>00547             }
<a name="l00548"></a>00548         iPeriodic-&gt;Start(TTimeIntervalMicroSeconds32(0), DELAY, TCallBack(CImageConverterContainer::Animate, <span class="keyword">this</span>));
<a name="l00549"></a>00549         }
<a name="l00550"></a>00550     <span class="comment">// Engine is busy, there is image conversion or scaling ongoing, wait for these</span>
<a name="l00551"></a>00551     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAppUi-&gt;IsEngineBusy())
<a name="l00552"></a>00552         {
<a name="l00553"></a>00553         <span class="keywordflow">if</span> (!iPeriodic)
<a name="l00554"></a>00554             {
<a name="l00555"></a>00555             iPeriodic = CPeriodic::NewL(CActive::EPriorityStandard);
<a name="l00556"></a>00556             }
<a name="l00557"></a>00557         <span class="keywordflow">if</span> (iPeriodic)
<a name="l00558"></a>00558             {
<a name="l00559"></a>00559             iPeriodic-&gt;Cancel();
<a name="l00560"></a>00560             }
<a name="l00561"></a>00561         iPeriodic-&gt;Start(SLEEP_DELAY, SLEEP_DELAY, TCallBack(CImageConverterContainer::Sleep, <span class="keyword">this</span>));
<a name="l00562"></a>00562         }
<a name="l00563"></a>00563     <span class="comment">// No image, no animation</span>
<a name="l00564"></a>00564     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!iAppUi-&gt;IsEngineBusy() &amp;&amp; !iBitmap)
<a name="l00565"></a>00565         {
<a name="l00566"></a>00566         iAnimationEvent = ENoAnimation;
<a name="l00567"></a>00567         StopAnimate();
<a name="l00568"></a>00568         }
<a name="l00569"></a>00569     }
<a name="l00570"></a>00570 
<a name="l00571"></a>00571 <span class="keywordtype">void</span> CImageConverterContainer::StartNewPictureAnimate()
<a name="l00572"></a>00572     {
<a name="l00573"></a>00573     <span class="keywordflow">if</span> (iNextAnimationWaiting)
<a name="l00574"></a>00574         {
<a name="l00575"></a>00575         iNextAnimationWaiting = EFalse;
<a name="l00576"></a>00576         <span class="keywordflow">if</span> (iAnimationEvent == EAnimateToLeft)
<a name="l00577"></a>00577             {
<a name="l00578"></a>00578             iAnimationEvent = EAnimateFromRight;
<a name="l00579"></a>00579             }
<a name="l00580"></a>00580         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateToRight)
<a name="l00581"></a>00581             {
<a name="l00582"></a>00582             iAnimationEvent = EAnimateFromLeft;
<a name="l00583"></a>00583             }
<a name="l00584"></a>00584         
<a name="l00585"></a>00585         <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromRight)
<a name="l00586"></a>00586             {
<a name="l00587"></a>00587             iPicturePoint.iX = Size().iWidth;
<a name="l00588"></a>00588             }
<a name="l00589"></a>00589         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromLeft)
<a name="l00590"></a>00590             {
<a name="l00591"></a>00591             iPicturePoint.iX = iBitmap-&gt;SizeInPixels().iWidth*-1;
<a name="l00592"></a>00592             }
<a name="l00593"></a>00593         
<a name="l00594"></a>00594         StartAnimateL();
<a name="l00595"></a>00595         }
<a name="l00596"></a>00596     }
<a name="l00597"></a>00597 
<a name="l00598"></a>00598 TBool CImageConverterContainer::IsAnimating()
<a name="l00599"></a>00599     {
<a name="l00600"></a>00600     <span class="keywordflow">if</span> (iPeriodic &amp;&amp; iPeriodic-&gt;IsActive())
<a name="l00601"></a>00601         {
<a name="l00602"></a>00602         <span class="keywordflow">return</span> ETrue;
<a name="l00603"></a>00603         }
<a name="l00604"></a>00604     <span class="keywordflow">else</span>
<a name="l00605"></a>00605         {
<a name="l00606"></a>00606         <span class="keywordflow">return</span> EFalse;
<a name="l00607"></a>00607         }
<a name="l00608"></a>00608     }
<a name="l00609"></a>00609 
<a name="l00610"></a>00610 <span class="keywordtype">void</span> CImageConverterContainer::StopAnimate()
<a name="l00611"></a>00611     {
<a name="l00612"></a>00612     <span class="comment">// Stop animation</span>
<a name="l00613"></a>00613     <span class="keywordflow">if</span> (iPeriodic)
<a name="l00614"></a>00614         {
<a name="l00615"></a>00615         iPeriodic-&gt;Cancel();
<a name="l00616"></a>00616         }
<a name="l00617"></a>00617 
<a name="l00618"></a>00618     <span class="comment">// Call event now (animation is ended)</span>
<a name="l00619"></a>00619     iAppUi-&gt;DoEvent(iPointerEvent);
<a name="l00620"></a>00620     <span class="comment">// Clear pointer event</span>
<a name="l00621"></a>00621     iPointerEvent = ENoValidPointerEvent;
<a name="l00622"></a>00622 
<a name="l00623"></a>00623     <span class="comment">// Set animation event to ENoAnimation after new picture is also animated</span>
<a name="l00624"></a>00624     <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromRight || iAnimationEvent == EAnimateFromLeft)
<a name="l00625"></a>00625         {
<a name="l00626"></a>00626         iAnimationEvent = ENoAnimation;
<a name="l00627"></a>00627         }
<a name="l00628"></a>00628     
<a name="l00629"></a>00629     <span class="keywordflow">if</span> (iAnimationEvent==ENoAnimation)
<a name="l00630"></a>00630         {
<a name="l00631"></a>00631         ResetTitleText(EFalse);
<a name="l00632"></a>00632         }
<a name="l00633"></a>00633     }
<a name="l00634"></a>00634 
<a name="l00635"></a>00635 <span class="keywordtype">void</span> CImageConverterContainer::SetNextAnimationWaiting(TBool aValue)
<a name="l00636"></a>00636     {
<a name="l00637"></a>00637     iNextAnimationWaiting = aValue;
<a name="l00638"></a>00638     }
<a name="l00639"></a>00639 
<a name="l00640"></a>00640 TInt CImageConverterContainer::Animate(TAny* aObj)
<a name="l00641"></a>00641     {
<a name="l00642"></a>00642     <span class="keyword">static_cast&lt;</span><a class="code" href="class_c_image_converter_container.html">CImageConverterContainer</a>*<span class="keyword">&gt;</span>(aObj)-&gt;DoFrame();
<a name="l00643"></a>00643     <span class="keywordflow">return</span> 1;
<a name="l00644"></a>00644     }
<a name="l00645"></a>00645 
<a name="l00646"></a>00646 TInt CImageConverterContainer::Sleep(TAny* aObj)
<a name="l00647"></a>00647     {
<a name="l00648"></a>00648     <span class="keyword">static_cast&lt;</span><a class="code" href="class_c_image_converter_container.html">CImageConverterContainer</a>*<span class="keyword">&gt;</span>(aObj)-&gt;SetNextAnimationWaiting(EFalse);
<a name="l00649"></a>00649     <span class="keyword">static_cast&lt;</span><a class="code" href="class_c_image_converter_container.html">CImageConverterContainer</a>*<span class="keyword">&gt;</span>(aObj)-&gt;StartAnimateL();
<a name="l00650"></a>00650     <span class="keywordflow">return</span> 0;
<a name="l00651"></a>00651     }
<a name="l00652"></a>00652 
<a name="l00653"></a>00653 <span class="keywordtype">void</span> CImageConverterContainer::SetPictureScreenCenter(TBool aDraw)
<a name="l00654"></a>00654     {
<a name="l00655"></a>00655     <span class="keywordflow">if</span> (iBitmap)
<a name="l00656"></a>00656         {
<a name="l00657"></a>00657         iPicturePoint.SetXY((Size().iWidth - iBitmap-&gt;SizeInPixels().iWidth) / 2, (Size().iHeight - iBitmap-&gt;SizeInPixels().iHeight) / 2);
<a name="l00658"></a>00658         <span class="keywordflow">if</span> (aDraw)
<a name="l00659"></a>00659             {
<a name="l00660"></a>00660             DrawToBackBuffer();
<a name="l00661"></a>00661             DrawNow();
<a name="l00662"></a>00662             }
<a name="l00663"></a>00663         }
<a name="l00664"></a>00664     }
<a name="l00665"></a>00665 
<a name="l00666"></a>00666 <span class="keywordtype">void</span> CImageConverterContainer::DoFrame()
<a name="l00667"></a>00667     {
<a name="l00668"></a>00668     <span class="keywordflow">if</span> (iAnimationEvent == EAnimateToLeft)
<a name="l00669"></a>00669         {
<a name="l00670"></a>00670         <span class="keywordflow">if</span> (iPicturePoint.iX &lt; iBitmap-&gt;SizeInPixels().iWidth*-1)
<a name="l00671"></a>00671             {
<a name="l00672"></a>00672             StopAnimate();
<a name="l00673"></a>00673             }
<a name="l00674"></a>00674         <span class="keywordflow">else</span>
<a name="l00675"></a>00675             {
<a name="l00676"></a>00676             iPixelsToMove = iPixelsToMove*2;
<a name="l00677"></a>00677             iAnimateX = iAnimateX - iPixelsToMove;
<a name="l00678"></a>00678             }
<a name="l00679"></a>00679         }
<a name="l00680"></a>00680     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateToRight)
<a name="l00681"></a>00681         {
<a name="l00682"></a>00682         <span class="keywordflow">if</span> (iPicturePoint.iX &gt; Size().iWidth)
<a name="l00683"></a>00683             {
<a name="l00684"></a>00684             StopAnimate();
<a name="l00685"></a>00685             }
<a name="l00686"></a>00686         <span class="keywordflow">else</span>
<a name="l00687"></a>00687             {
<a name="l00688"></a>00688             iPixelsToMove = iPixelsToMove*2;
<a name="l00689"></a>00689             iAnimateX = iAnimateX + iPixelsToMove;
<a name="l00690"></a>00690             }
<a name="l00691"></a>00691         }
<a name="l00692"></a>00692     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromLeft)
<a name="l00693"></a>00693         {
<a name="l00694"></a>00694         <span class="comment">// Stop animate if picture is about screen center</span>
<a name="l00695"></a>00695         iPixelsToMove = iPixelsToMove/2;
<a name="l00696"></a>00696         iPixelsToMove++;
<a name="l00697"></a>00697         TInt tmp = iPixelsToMove + iPicturePoint.iX;
<a name="l00698"></a>00698         <span class="keywordflow">if</span> (tmp &gt;= (Size().iWidth - iBitmap-&gt;SizeInPixels().iWidth)/2)
<a name="l00699"></a>00699             {
<a name="l00700"></a>00700             StopAnimate();
<a name="l00701"></a>00701             SetPictureScreenCenter(EFalse);
<a name="l00702"></a>00702             }
<a name="l00703"></a>00703         <span class="keywordflow">else</span>
<a name="l00704"></a>00704             {
<a name="l00705"></a>00705             iAnimateX = iPixelsToMove;
<a name="l00706"></a>00706             }
<a name="l00707"></a>00707         }
<a name="l00708"></a>00708     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iAnimationEvent == EAnimateFromRight)
<a name="l00709"></a>00709         {
<a name="l00710"></a>00710         <span class="comment">// Stop animate if picture is about screen center</span>
<a name="l00711"></a>00711         iPixelsToMove = iPixelsToMove/2;
<a name="l00712"></a>00712         iPixelsToMove++;
<a name="l00713"></a>00713         TInt tmp = iPicturePoint.iX - iPixelsToMove;
<a name="l00714"></a>00714         <span class="keywordflow">if</span> (tmp &lt;= (Size().iWidth - iBitmap-&gt;SizeInPixels().iWidth)/2)
<a name="l00715"></a>00715             {
<a name="l00716"></a>00716             StopAnimate();
<a name="l00717"></a>00717             SetPictureScreenCenter(EFalse);
<a name="l00718"></a>00718             }
<a name="l00719"></a>00719         <span class="keywordflow">else</span>
<a name="l00720"></a>00720             {
<a name="l00721"></a>00721             iAnimateX = iPixelsToMove*-1;
<a name="l00722"></a>00722             }
<a name="l00723"></a>00723         }
<a name="l00724"></a>00724     <span class="keywordflow">else</span>
<a name="l00725"></a>00725         {
<a name="l00726"></a>00726         StopAnimate();
<a name="l00727"></a>00727         }
<a name="l00728"></a>00728     
<a name="l00729"></a>00729     DrawToBackBuffer();
<a name="l00730"></a>00730     DrawNow();
<a name="l00731"></a>00731     }
<a name="l00732"></a>00732 
<a name="l00733"></a>00733 <span class="preprocessor">#ifdef __TUI_SUPPORTED__</span>
<a name="l00734"></a>00734 <span class="preprocessor"></span><span class="keywordtype">void</span> CImageConverterContainer::HandleLongTapEventL( <span class="keyword">const</span> TPoint&amp; aPenEventLocation, <span class="keyword">const</span> TPoint&amp; <span class="comment">/*aPenEventScreenLocation*/</span> )
<a name="l00735"></a>00735     {
<a name="l00736"></a>00736     iLongTapDetected = ETrue;
<a name="l00737"></a>00737     iLongTapPoint.SetXY(-10,-10);
<a name="l00738"></a>00738     MovePicture(aPenEventLocation);
<a name="l00739"></a>00739     }
<a name="l00740"></a>00740 
<a name="l00741"></a>00741 <span class="keywordtype">void</span> CImageConverterContainer::MovePicture(<span class="keyword">const</span> TPoint&amp; aPoint)
<a name="l00742"></a>00742     {
<a name="l00743"></a>00743     <span class="keywordflow">if</span> (iLongTapPoint.iX == -10)
<a name="l00744"></a>00744         {
<a name="l00745"></a>00745         <span class="comment">// First move received</span>
<a name="l00746"></a>00746         iLongTapPoint = aPoint;
<a name="l00747"></a>00747         <span class="keywordflow">return</span>;
<a name="l00748"></a>00748         }
<a name="l00749"></a>00749     TInt x = iLongTapPoint.iX - aPoint.iX;
<a name="l00750"></a>00750     TInt y = iLongTapPoint.iY - aPoint.iY;
<a name="l00751"></a>00751     iPicturePoint.iX = iPicturePoint.iX - x; 
<a name="l00752"></a>00752     iPicturePoint.iY = iPicturePoint.iY - y; 
<a name="l00753"></a>00753     iLongTapPoint = aPoint;
<a name="l00754"></a>00754     DrawToBackBuffer();
<a name="l00755"></a>00755     DrawNow();
<a name="l00756"></a>00756     }
<a name="l00757"></a>00757 <span class="preprocessor">#endif</span>
<a name="l00758"></a>00758 <span class="preprocessor"></span>
<a name="l00759"></a>00759 
<a name="l00760"></a>00760 <span class="keywordtype">void</span> CImageConverterContainer::CreateBackBufferL()
<a name="l00761"></a>00761     {
<a name="l00762"></a>00762     <span class="comment">// create back buffer bitmap</span>
<a name="l00763"></a>00763     iBackBuffer = <span class="keyword">new</span> (ELeave) CFbsBitmap;
<a name="l00764"></a>00764     
<a name="l00765"></a>00765     User::LeaveIfError( iBackBuffer-&gt;Create(Size(),
<a name="l00766"></a>00766                         iEikonEnv-&gt;DefaultDisplayMode()));
<a name="l00767"></a>00767     
<a name="l00768"></a>00768     <span class="comment">// create back buffer graphics context</span>
<a name="l00769"></a>00769     iBackBufferDevice = CFbsBitmapDevice::NewL(iBackBuffer);
<a name="l00770"></a>00770     User::LeaveIfError(iBackBufferDevice-&gt;CreateContext(iBackBufferContext));
<a name="l00771"></a>00771     iBackBufferContext-&gt;SetPenStyle(CGraphicsContext::ESolidPen);
<a name="l00772"></a>00772     
<a name="l00773"></a>00773     iBackBufferSize = iBackBuffer-&gt;SizeInPixels();
<a name="l00774"></a>00774     }
<a name="l00775"></a>00775 
<a name="l00776"></a>00776 
<a name="l00777"></a>00777 <span class="keywordtype">void</span> CImageConverterContainer::ReleaseBackBuffer()
<a name="l00778"></a>00778     {
<a name="l00779"></a>00779     <span class="keywordflow">if</span> (iBackBufferContext)
<a name="l00780"></a>00780         {
<a name="l00781"></a>00781         <span class="keyword">delete</span> iBackBufferContext;
<a name="l00782"></a>00782         iBackBufferContext = NULL;
<a name="l00783"></a>00783         }
<a name="l00784"></a>00784     <span class="keywordflow">if</span> (iBackBufferDevice)
<a name="l00785"></a>00785         {
<a name="l00786"></a>00786         <span class="keyword">delete</span> iBackBufferDevice;
<a name="l00787"></a>00787         iBackBufferDevice = NULL;
<a name="l00788"></a>00788         }
<a name="l00789"></a>00789     <span class="keywordflow">if</span> (iBackBuffer)
<a name="l00790"></a>00790         {
<a name="l00791"></a>00791         <span class="keyword">delete</span> iBackBuffer;
<a name="l00792"></a>00792         iBackBuffer = NULL;
<a name="l00793"></a>00793         }
<a name="l00794"></a>00794     iBackBufferSize = TSize(0, 0);
<a name="l00795"></a>00795     }
<a name="l00796"></a>00796 
<a name="l00797"></a>00797 
<a name="l00798"></a>00798 <span class="keywordtype">void</span> CImageConverterContainer::DrawToBackBuffer()
<a name="l00799"></a>00799     {
<a name="l00800"></a>00800     <span class="keywordflow">if</span> (!iBackBufferContext)
<a name="l00801"></a>00801         {
<a name="l00802"></a>00802         <span class="keywordflow">return</span>;
<a name="l00803"></a>00803         }
<a name="l00804"></a>00804     iBackBufferContext-&gt;SetBrushColor(KRgbBlack);
<a name="l00805"></a>00805     iBackBufferContext-&gt;Clear();
<a name="l00806"></a>00806     
<a name="l00807"></a>00807     TRgb color = KRgbWhite;
<a name="l00808"></a>00808     color.SetAlpha(70);
<a name="l00809"></a>00809     
<a name="l00810"></a>00810     iBackBufferContext-&gt;SetPenColor(KRgbWhite);
<a name="l00811"></a>00811     TInt textWidth = 0;
<a name="l00812"></a>00812     
<a name="l00813"></a>00813     TFileName filename;
<a name="l00814"></a>00814 
<a name="l00815"></a>00815     iBackBufferContext-&gt;UseFont(iFont);
<a name="l00816"></a>00816 
<a name="l00817"></a>00817     <span class="comment">// Draw status text</span>
<a name="l00818"></a>00818     textWidth = iFont-&gt;TextWidthInPixels(iStateInfo);
<a name="l00819"></a>00819     iBackBufferContext-&gt;DrawText(iStateInfo,TPoint((Size().iWidth-textWidth)/2,iFont-&gt;FontMaxHeight()+3));
<a name="l00820"></a>00820     
<a name="l00821"></a>00821     <span class="comment">// Draw bitmap and picture counter and filename</span>
<a name="l00822"></a>00822     <span class="keywordflow">if</span> (iBitmap)
<a name="l00823"></a>00823         {
<a name="l00824"></a>00824         <span class="keywordflow">if</span> (iAnimationEvent != ENoAnimation)    
<a name="l00825"></a>00825             {
<a name="l00826"></a>00826             iPicturePoint.iX = iPicturePoint.iX + iAnimateX;
<a name="l00827"></a>00827             iBackBufferContext-&gt;BitBlt(iPicturePoint, iBitmap);
<a name="l00828"></a>00828             }
<a name="l00829"></a>00829         <span class="keywordflow">else</span>
<a name="l00830"></a>00830             {
<a name="l00831"></a>00831             iBackBufferContext-&gt;BitBlt(iPicturePoint, iBitmap);
<a name="l00832"></a>00832             iBackBufferContext-&gt;SetPenColor(KRgbGray);
<a name="l00833"></a>00833             iBackBufferContext-&gt;DrawRect(TRect(iPicturePoint.iX-3,
<a name="l00834"></a>00834                                                iPicturePoint.iY-3,
<a name="l00835"></a>00835                                                iPicturePoint.iX + iBitmap-&gt;SizeInPixels().iWidth + 3,
<a name="l00836"></a>00836                                                iPicturePoint.iY + iBitmap-&gt;SizeInPixels().iHeight + 3));
<a name="l00837"></a>00837 
<a name="l00838"></a>00838             iBackBufferContext-&gt;SetPenColor(KRgbWhite);
<a name="l00839"></a>00839 
<a name="l00840"></a>00840             <span class="comment">// Draw filename</span>
<a name="l00841"></a>00841             iAppUi-&gt;ImageName(filename);
<a name="l00842"></a>00842             textWidth = iFont-&gt;TextWidthInPixels(filename);
<a name="l00843"></a>00843             iBackBufferContext-&gt;DrawText(filename,TPoint(5,iFont-&gt;FontMaxHeight()+3));
<a name="l00844"></a>00844 
<a name="l00845"></a>00845             <span class="comment">// Draw counter</span>
<a name="l00846"></a>00846             iPictureInfo.Zero();
<a name="l00847"></a>00847             iPictureInfo.AppendNum(iAppUi-&gt;ImageIndex()+1);
<a name="l00848"></a>00848             iPictureInfo.Append(_L(<span class="stringliteral">&quot; of &quot;</span>));
<a name="l00849"></a>00849             iPictureInfo.AppendNum(iAppUi-&gt;ImageCount());
<a name="l00850"></a>00850             textWidth = iFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00851"></a>00851             iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(Size().iWidth-textWidth-5,iFont-&gt;FontMaxHeight()+3));
<a name="l00852"></a>00852             }
<a name="l00853"></a>00853         }
<a name="l00854"></a>00854 
<a name="l00855"></a>00855     <span class="comment">// Draw round rect for filename and counter</span>
<a name="l00856"></a>00856     iBackBufferContext-&gt;SetBrushColor(color);
<a name="l00857"></a>00857     iBackBufferContext-&gt;SetBrushStyle(CWindowGc::ESolidBrush);
<a name="l00858"></a>00858     iBackBufferContext-&gt;DrawRoundRect(TRect(2,2,Size().iWidth-2,iFont-&gt;FontMaxHeight()+7),TSize(2,2));
<a name="l00859"></a>00859     iBackBufferContext-&gt;SetBrushStyle(CWindowGc::ENullBrush);
<a name="l00860"></a>00860 
<a name="l00861"></a>00861 
<a name="l00862"></a>00862     <span class="comment">//Finding correct location for CBA and drawing them.</span>
<a name="l00863"></a>00863     <span class="comment">//</span>
<a name="l00864"></a>00864     <span class="comment">// Note that there is a known issue detected in the S60 5th Edition SDK v0.9. With an empty status pane,            </span>
<a name="l00865"></a>00865     <span class="comment">// AknLayoutUtils::CbaLocation() does not return correct locations for CBA in </span>
<a name="l00866"></a>00866     <span class="comment">// the landscape orientation. This method has been tested to work fine on S60 3rd Edition and</span>
<a name="l00867"></a>00867     <span class="comment">// 5th Edition devices.</span>
<a name="l00868"></a>00868 
<a name="l00869"></a>00869     iBackBufferContext-&gt;UseFont(iCbaFont);
<a name="l00870"></a>00870     iBackBufferContext-&gt;SetPenColor(KRgbGray);
<a name="l00871"></a>00871     <span class="keywordflow">if</span> (AknLayoutUtils::CbaLocation() == AknLayoutUtils::EAknCbaLocationRight)
<a name="l00872"></a>00872         {
<a name="l00873"></a>00873         <span class="comment">// Landscape</span>
<a name="l00874"></a>00874         <span class="keywordflow">if</span> (iAppUi-&gt;IsOptionsButtonOnTop())
<a name="l00875"></a>00875             {
<a name="l00876"></a>00876             <span class="comment">// Options selection is on top (Nokia E90)</span>
<a name="l00877"></a>00877             <span class="comment">// Draw menu item &quot;Exit&quot;</span>
<a name="l00878"></a>00878             iPictureInfo.Zero();
<a name="l00879"></a>00879             iPictureInfo.Append(_L(<span class="stringliteral">&quot;Exit&quot;</span>));
<a name="l00880"></a>00880             textWidth = iCbaFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00881"></a>00881             iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(Size().iWidth-textWidth-5,Size().iHeight-7));
<a name="l00882"></a>00882             <span class="comment">// Save exit rect for Touch</span>
<a name="l00883"></a>00883             iExitRect.SetRect(Size().iWidth-textWidth-30,Size().iHeight-30,Size().iWidth,Size().iHeight);
<a name="l00884"></a>00884 
<a name="l00885"></a>00885             <span class="comment">// Draw menu item &quot;Options&quot;</span>
<a name="l00886"></a>00886             iPictureInfo.Zero();
<a name="l00887"></a>00887             iPictureInfo.Append(_L(<span class="stringliteral">&quot;Options&quot;</span>));
<a name="l00888"></a>00888             textWidth = iCbaFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00889"></a>00889             iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(Size().iWidth-textWidth-5,iCbaFont-&gt;FontMaxHeight()+30));
<a name="l00890"></a>00890             <span class="comment">// Save option rect for Touch</span>
<a name="l00891"></a>00891             iOptionsRect.SetRect(Size().iWidth-textWidth-30,iCbaFont-&gt;FontMaxHeight()+10,Size().iWidth,iCbaFont-&gt;FontMaxHeight()+40);
<a name="l00892"></a>00892             }
<a name="l00893"></a>00893         <span class="keywordflow">else</span>
<a name="l00894"></a>00894             {
<a name="l00895"></a>00895             <span class="comment">// Options selection is on bottom (Nokia N95)</span>
<a name="l00896"></a>00896             <span class="comment">// Draw menu item &quot;Options&quot;</span>
<a name="l00897"></a>00897             iPictureInfo.Zero();
<a name="l00898"></a>00898             iPictureInfo.Append(_L(<span class="stringliteral">&quot;Options&quot;</span>));
<a name="l00899"></a>00899             textWidth = iCbaFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00900"></a>00900             iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(Size().iWidth-textWidth-5,Size().iHeight-7));
<a name="l00901"></a>00901             <span class="comment">// Save exit rect for Touch</span>
<a name="l00902"></a>00902             iOptionsRect.SetRect(Size().iWidth-textWidth-30,Size().iHeight-30,Size().iWidth,Size().iHeight);
<a name="l00903"></a>00903 
<a name="l00904"></a>00904             <span class="comment">// Draw menu item &quot;Exit&quot;</span>
<a name="l00905"></a>00905             iPictureInfo.Zero();
<a name="l00906"></a>00906             iPictureInfo.Append(_L(<span class="stringliteral">&quot;Exit&quot;</span>));
<a name="l00907"></a>00907             textWidth = iCbaFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00908"></a>00908             iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(Size().iWidth-textWidth-5,iCbaFont-&gt;FontMaxHeight()+30));
<a name="l00909"></a>00909             <span class="comment">// Save option rect for Touch</span>
<a name="l00910"></a>00910             iExitRect.SetRect(Size().iWidth-textWidth-30,iCbaFont-&gt;FontMaxHeight()+10,Size().iWidth,iCbaFont-&gt;FontMaxHeight()+40);
<a name="l00911"></a>00911             }
<a name="l00912"></a>00912         }
<a name="l00913"></a>00913     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(AknLayoutUtils::CbaLocation() == AknLayoutUtils::EAknCbaLocationBottom)
<a name="l00914"></a>00914         {
<a name="l00915"></a>00915         <span class="comment">// Portrait</span>
<a name="l00916"></a>00916         <span class="comment">// Draw menu item &quot;Options&quot;</span>
<a name="l00917"></a>00917         iPictureInfo.Zero();
<a name="l00918"></a>00918         iPictureInfo.Append(_L(<span class="stringliteral">&quot;Options&quot;</span>));
<a name="l00919"></a>00919         textWidth = iCbaFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00920"></a>00920         iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(5,Size().iHeight-7));
<a name="l00921"></a>00921         <span class="comment">// Save option rect for Touch</span>
<a name="l00922"></a>00922         iOptionsRect.SetRect(0,Size().iHeight-30,textWidth+30,Size().iHeight);
<a name="l00923"></a>00923         
<a name="l00924"></a>00924         <span class="comment">// Draw menu item &quot;Exit&quot;</span>
<a name="l00925"></a>00925         iPictureInfo.Zero();
<a name="l00926"></a>00926         iPictureInfo.Append(_L(<span class="stringliteral">&quot;Exit&quot;</span>));
<a name="l00927"></a>00927         textWidth = iCbaFont-&gt;TextWidthInPixels(iPictureInfo);
<a name="l00928"></a>00928         iBackBufferContext-&gt;DrawText(iPictureInfo,TPoint(Size().iWidth-textWidth-5,Size().iHeight-7));
<a name="l00929"></a>00929         <span class="comment">// Save exit rect for Touch</span>
<a name="l00930"></a>00930         iExitRect.SetRect(Size().iWidth-textWidth-30,Size().iHeight-30,Size().iWidth,Size().iHeight);
<a name="l00931"></a>00931         }
<a name="l00932"></a>00932     
<a name="l00933"></a>00933     }
<a name="l00934"></a>00934 
<a name="l00935"></a>00935 
<a name="l00936"></a>00936 
<a name="l00937"></a>00937 
<a name="l00938"></a>00938 
<a name="l00939"></a>00939 <span class="comment">// End of File  </span>
</pre></div></div>
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