Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_picture_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/Embedding/Picture.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 "EmbeddingGraphicsControl.h"</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <coemain.h></span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="comment">// for the store</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <s32std.h></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keyword">static</span> <span class="keyword">const</span> TUid KUidExampleSmileyPicture = { 0x100000E6 } ;
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="comment">/*</span>
<a name="l00025"></a>00025 <span class="comment"> CExamplePictureFactory</span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment"> Give picture header, checks UID and only if it's KUidExampleSmileyPicture will this restore</span>
<a name="l00028"></a>00028 <span class="comment"> a picture - changing the swizzle in aHeader from a stream id into a pointer.</span>
<a name="l00029"></a>00029 <span class="comment"> [incidentally, what errors should result if either the picture is already restored, or the UID</span>
<a name="l00030"></a>00030 <span class="comment"> isn't recognized?]</span>
<a name="l00031"></a>00031 <span class="comment">*/</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">class </span>TExamplePictureFactory : <span class="keyword">public</span> MPictureFactory
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="keyword">public</span>:
<a name="l00036"></a>00036 <span class="keywordtype">void</span> NewPictureL(TPictureHeader& aHeader,<span class="keyword">const</span> CStreamStore& aDeferredPictureStore) <span class="keyword">const</span>;
<a name="l00037"></a>00037 };
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordtype">void</span> TExamplePictureFactory::NewPictureL(TPictureHeader& aHeader,<span class="keyword">const</span> CStreamStore& aDeferredPictureStore)<span class="keyword"> const</span>
<a name="l00040"></a>00040 <span class="keyword"> </span>{
<a name="l00041"></a>00041 <span class="keywordflow">if</span> (aHeader.iPictureType == KUidExampleSmileyPicture)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="comment">// restore new picture from store into the TSwizzle</span>
<a name="l00044"></a>00044 <span class="comment">// (which changes from stream id to pointer)</span>
<a name="l00045"></a>00045 <span class="comment">// Construct a CSmileyPicture object and restore from the stream</span>
<a name="l00046"></a>00046 <span class="keywordflow">if</span> (aHeader.iPicture.IsId())
<a name="l00047"></a>00047 aHeader.iPicture = CSmileyPicture::NewL(aDeferredPictureStore,aHeader.iPicture.AsId());
<a name="l00048"></a>00048
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050 <span class="keywordflow">else</span>
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="comment">// output error and panic</span>
<a name="l00053"></a>00053 User::Leave(KErrNoMemory);
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">// implementation of the CSmileyPicture class</span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 CSmileyPicture::CSmileyPicture()
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="comment">// do nothing</span>
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a>* CSmileyPicture::NewL(TMood aMood, TSizeSpec aSizeSpec)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a>();
<a name="l00067"></a>00067 <span class="keyword">self</span>->iMood = aMood;
<a name="l00068"></a>00068 <span class="keyword">self</span>->iSizeSpec = aSizeSpec;
<a name="l00069"></a>00069 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a>* CSmileyPicture::NewL(<span class="keyword">const</span> CStreamStore& aStore, TStreamId aStreamId)
<a name="l00073"></a>00073 <span class="comment">// create from store</span>
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 RStoreReadStream inStream;
<a name="l00076"></a>00076 inStream.OpenLC(aStore,aStreamId);
<a name="l00077"></a>00077 <a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a>();
<a name="l00078"></a>00078 <span class="keyword">self</span>->InternalizeL(inStream);
<a name="l00079"></a>00079 CleanupStack::PopAndDestroy();
<a name="l00080"></a>00080 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 TStreamId CSmileyPicture::StoreL(CStreamStore& aStore) <span class="keyword">const</span>
<a name="l00084"></a>00084 <span class="comment">// stores the CSmileyPicture in a new stream of the specified store (using ExternalizeL())</span>
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 RStoreWriteStream stream;
<a name="l00087"></a>00087 TStreamId <span class="keywordtype">id</span>=stream.CreateLC(aStore);
<a name="l00088"></a>00088 ExternalizeL(stream);
<a name="l00089"></a>00089 stream.CommitL();
<a name="l00090"></a>00090 CleanupStack::PopAndDestroy();
<a name="l00091"></a>00091 <span class="keywordflow">return</span> id;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordtype">void</span> CSmileyPicture::ExternalizeL(RWriteStream& aStream)<span class="keyword"> const</span>
<a name="l00095"></a>00095 <span class="keyword"> </span>{
<a name="l00096"></a>00096 aStream.WriteInt8L(iMood);
<a name="l00097"></a>00097 aStream.WriteInt8L(iSizeSpec);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keywordtype">void</span> CSmileyPicture::InternalizeL(RReadStream& aStream)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 iMood = TMood(aStream.ReadInt8L());
<a name="l00103"></a>00103 iSizeSpec = TSizeSpec(aStream.ReadInt8L());
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 TInt CSmileyPicture::SpecToFactor()<span class="keyword"> const</span>
<a name="l00107"></a>00107 <span class="keyword"> </span>{
<a name="l00108"></a>00108 <span class="keywordflow">switch</span> (iSizeSpec)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordflow">case</span> ESmall:
<a name="l00111"></a>00111 <span class="keywordflow">return</span> 1;
<a name="l00112"></a>00112 <span class="keywordflow">case</span> EMedium:
<a name="l00113"></a>00113 <span class="keywordflow">return</span> 2;
<a name="l00114"></a>00114 <span class="keywordflow">case</span> ELarge:
<a name="l00115"></a>00115 <span class="keywordflow">return</span> 3;
<a name="l00116"></a>00116 <span class="keywordflow">default</span>:
<a name="l00117"></a>00117 <span class="keywordflow">return</span> 0;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordtype">void</span> CSmileyPicture::Draw(CGraphicsContext& aGc,<span class="keyword">const</span> TPoint& aTopLeft,<span class="keyword">const</span> TRect& aClipRect,
<a name="l00122"></a>00122 MGraphicsDeviceMap* <span class="comment">/*aMap*/</span>)<span class="keyword"> const</span>
<a name="l00123"></a>00123 <span class="keyword"> </span>{
<a name="l00124"></a>00124 aGc.SetClippingRect(aClipRect);
<a name="l00125"></a>00125
<a name="l00126"></a>00126 TInt scaleFactor = SpecToFactor();
<a name="l00127"></a>00127
<a name="l00128"></a>00128 TSize penSizeBold(3*scaleFactor,3*scaleFactor);
<a name="l00129"></a>00129 TSize penSizeFat(5*scaleFactor,5*scaleFactor);
<a name="l00130"></a>00130 aGc.SetPenSize(penSizeFat);
<a name="l00131"></a>00131
<a name="l00132"></a>00132 TInt leftOffset = 13*scaleFactor;
<a name="l00133"></a>00133 TInt rightOffset = 27*scaleFactor;
<a name="l00134"></a>00134 TInt circleSize = 40*scaleFactor;
<a name="l00135"></a>00135 TInt shrinkSize = 10*scaleFactor;
<a name="l00136"></a>00136 TInt halfCircle = 20*scaleFactor;
<a name="l00137"></a>00137 TInt neutralSize = 13*scaleFactor;
<a name="l00138"></a>00138
<a name="l00139"></a>00139 TPoint leftEye(aTopLeft.iX+leftOffset,aTopLeft.iY+leftOffset);
<a name="l00140"></a>00140 TPoint rightEye(aTopLeft.iX+rightOffset,aTopLeft.iY+leftOffset);
<a name="l00141"></a>00141 aGc.Plot(leftEye);
<a name="l00142"></a>00142 aGc.Plot(rightEye);
<a name="l00143"></a>00143 aGc.SetPenSize(penSizeBold);
<a name="l00144"></a>00144 TRect circle(aTopLeft,TPoint(aTopLeft.iX+circleSize,aTopLeft.iY+circleSize));
<a name="l00145"></a>00145 aGc.DrawEllipse(circle);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="comment">// draw the smile</span>
<a name="l00148"></a>00148 TRect smile = circle;
<a name="l00149"></a>00149 <span class="keywordflow">switch</span> (iMood)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 <span class="keywordflow">case</span> EHappy:
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 smile.Shrink(shrinkSize,shrinkSize);
<a name="l00154"></a>00154 aGc.DrawArc(smile,TPoint(aTopLeft.iX,aTopLeft.iY+circleSize-shrinkSize),TPoint(aTopLeft.iX+circleSize,aTopLeft.iY+circleSize-shrinkSize));
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 <span class="keywordflow">break</span>;
<a name="l00157"></a>00157 <span class="keywordflow">case</span> ENeutral:
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 aGc.DrawLine(TPoint(leftEye.iX,leftEye.iY+neutralSize),TPoint(rightEye.iX,rightEye.iY+neutralSize));
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 <span class="keywordflow">break</span>;
<a name="l00162"></a>00162 <span class="keywordflow">case</span> ESad:
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 smile.Shrink(shrinkSize,shrinkSize);
<a name="l00165"></a>00165 smile.Move(0,15*scaleFactor);
<a name="l00166"></a>00166 aGc.DrawArc(smile,TPoint(aTopLeft.iX+circleSize,aTopLeft.iY+halfCircle),TPoint(aTopLeft.iX,aTopLeft.iY+halfCircle));
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keywordflow">break</span>;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keywordtype">void</span> CSmileyPicture::SetMood(TMood aMood)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 iMood = aMood;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 CSmileyPicture::TMood CSmileyPicture::Mood()
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 <span class="keywordflow">return</span> iMood;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordtype">void</span> CSmileyPicture::SetSize(TSizeSpec aSizeSpec)
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 iSizeSpec = aSizeSpec;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 CSmileyPicture::TSizeSpec CSmileyPicture::Size()
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 <span class="keywordflow">return</span> iSizeSpec;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="keywordtype">void</span> CSmileyPicture::GetOriginalSizeInTwips(TSize& <span class="comment">/*aSize*/</span>)<span class="keyword"> const</span>
<a name="l00193"></a>00193 <span class="keyword"> </span>{
<a name="l00194"></a>00194 <span class="comment">// do nothing</span>
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keywordtype">void</span> CSmileyPicture::SetScaleFactor(TInt <span class="comment">/*aScaleFactorWidth*/</span>,TInt <span class="comment">/*aScaleFactorHeight*/</span>)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 <span class="comment">// do nothing</span>
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203
<a name="l00204"></a>00204 TInt CSmileyPicture::ScaleFactorWidth()<span class="keyword">const</span>
<a name="l00205"></a>00205 <span class="keyword"> </span>{
<a name="l00206"></a>00206 <span class="keywordflow">return</span> 1;
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208
<a name="l00209"></a>00209
<a name="l00210"></a>00210 TInt CSmileyPicture::ScaleFactorHeight()<span class="keyword">const</span>
<a name="l00211"></a>00211 <span class="keyword"> </span>{
<a name="l00212"></a>00212 <span class="keywordflow">return</span> 1;
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keywordtype">void</span> CSmileyPicture::SetCropInTwips(<span class="keyword">const</span> TMargins& <span class="comment">/*aMargins*/</span>)
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 <span class="comment">// do nothing</span>
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="keywordtype">void</span> CSmileyPicture::GetCropInTwips(TMargins& aMargins)<span class="keyword">const</span>
<a name="l00223"></a>00223 <span class="keyword"> </span>{
<a name="l00224"></a>00224 CPicture::GetCropInTwips(aMargins); <span class="comment">// no crop</span>
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 TPictureCapability CSmileyPicture::Capability()<span class="keyword">const</span>
<a name="l00228"></a>00228 <span class="keyword"> </span>{
<a name="l00229"></a>00229 <span class="keywordflow">return</span> CPicture::Capability(); <span class="comment">// no scale, no crop</span>
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">// example really starts here</span>
<a name="l00233"></a>00233 CPictureControl::CPictureControl()
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 SetMaxPhases(7);
<a name="l00236"></a>00236 iValidDocument = CPictureControl::EPicture;
<a name="l00237"></a>00237 iOffset = TPoint(50,50);
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">// The file name</span>
<a name="l00241"></a>00241 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFileName,<span class="stringliteral">"\\grpict.dat"</span>);
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="comment">// Literal text</span>
<a name="l00244"></a>00244 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase0,<span class="stringliteral">"draw happy face at (50,50)"</span>);
<a name="l00245"></a>00245 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase1,<span class="stringliteral">"draw sad face at (50,50)"</span>);
<a name="l00246"></a>00246 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase2,<span class="stringliteral">"draw neutral face at (50,50)"</span>);
<a name="l00247"></a>00247 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase3,<span class="stringliteral">"store picture in file"</span>);
<a name="l00248"></a>00248 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase4,<span class="stringliteral">"delete picture from memory"</span>);
<a name="l00249"></a>00249 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase5,<span class="stringliteral">"restore picture header from file"</span>);
<a name="l00250"></a>00250 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase6,<span class="stringliteral">"restore picture from file"</span>);
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="keywordtype">void</span> CPictureControl::UpdateModelL()
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 <span class="comment">// set up zoom factor object</span>
<a name="l00255"></a>00255 testZf.SetGraphicsDeviceMap(iCoeEnv->ScreenDevice());
<a name="l00256"></a>00256 <span class="comment">// set the zoom factor of the object</span>
<a name="l00257"></a>00257 testZf.SetZoomFactor(TZoomFactor::EZoomOneToOne);
<a name="l00258"></a>00258 <span class="comment">// use graphics device maps for drawing and getting fonts</span>
<a name="l00259"></a>00259 testMap=&testZf;
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="comment">// the file session used in the example</span>
<a name="l00262"></a>00262 RFs fsSession;
<a name="l00263"></a>00263 TParse filestorename;
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordflow">switch</span> (Phase())
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 <span class="keywordflow">case</span> 0:
<a name="l00268"></a>00268 iGraphObserver->NotifyStatus(KTxtUpdateModelCase0);
<a name="l00269"></a>00269 iPicture = CSmileyPicture::NewL(CSmileyPicture::EHappy,CSmileyPicture::ESmall);
<a name="l00270"></a>00270 <span class="keywordflow">break</span>;
<a name="l00271"></a>00271 <span class="keywordflow">case</span> 1:
<a name="l00272"></a>00272 iGraphObserver->NotifyStatus(KTxtUpdateModelCase1);
<a name="l00273"></a>00273 iPicture->SetMood(CSmileyPicture::ESad);
<a name="l00274"></a>00274 iPicture->SetSize(CSmileyPicture::EMedium);
<a name="l00275"></a>00275 <span class="keywordflow">break</span>;
<a name="l00276"></a>00276 <span class="keywordflow">case</span> 2:
<a name="l00277"></a>00277 iGraphObserver->NotifyStatus(KTxtUpdateModelCase2);
<a name="l00278"></a>00278 iPicture->SetMood(CSmileyPicture::ENeutral);
<a name="l00279"></a>00279 iPicture->SetSize(CSmileyPicture::ELarge);
<a name="l00280"></a>00280 <span class="keywordflow">break</span>;
<a name="l00281"></a>00281 <span class="keywordflow">case</span> 3:
<a name="l00282"></a>00282 iGraphObserver->NotifyStatus(KTxtUpdateModelCase3);
<a name="l00283"></a>00283 <span class="comment">// set up the permament direct file store for the picture</span>
<a name="l00284"></a>00284 fsSession.Connect();
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <span class="comment">// Create (replace, if it exists) the direct file store</span>
<a name="l00287"></a>00287 fsSession.Parse(KFileName,filestorename);
<a name="l00288"></a>00288 iStore = CDirectFileStore::ReplaceLC(fsSession,filestorename.FullName(),EFileWrite);
<a name="l00289"></a>00289 <span class="comment">// Must say what kind of file store.</span>
<a name="l00290"></a>00290 iStore->SetTypeL(KDirectFileStoreLayoutUid);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="comment">// create picture header</span>
<a name="l00293"></a>00293 iHeader.iPicture = iPicture;
<a name="l00294"></a>00294 iHeader.iSize = TSize(iPicture->SpecToFactor()*40,iPicture->SpecToFactor()*40);
<a name="l00295"></a>00295 iHeader.iPictureType = KUidExampleSmileyPicture;
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="comment">// store picture header and picture</span>
<a name="l00298"></a>00298 iHeaderId = StoreHeaderL(*iStore);
<a name="l00299"></a>00299 <span class="comment">// make header stream the root stream</span>
<a name="l00300"></a>00300 iStore->SetRootL(iHeaderId);
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="comment">// close store</span>
<a name="l00303"></a>00303 CleanupStack::PopAndDestroy();
<a name="l00304"></a>00304 fsSession.Close();
<a name="l00305"></a>00305 <span class="keywordflow">break</span>;
<a name="l00306"></a>00306 <span class="keywordflow">case</span> 4:
<a name="l00307"></a>00307 iGraphObserver->NotifyStatus(KTxtUpdateModelCase4);
<a name="l00308"></a>00308 <span class="keyword">delete</span> iPicture;
<a name="l00309"></a>00309 iPicture = NULL;
<a name="l00310"></a>00310 iValidDocument = CPictureControl::EFalse;
<a name="l00311"></a>00311 <span class="keywordflow">break</span>;
<a name="l00312"></a>00312 <span class="keywordflow">case</span> 5:
<a name="l00313"></a>00313 iGraphObserver->NotifyStatus(KTxtUpdateModelCase5);
<a name="l00314"></a>00314 <span class="comment">// set up the permament direct file store for the picture</span>
<a name="l00315"></a>00315 fsSession.Connect();
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="comment">// Open the direct file store and read the header</span>
<a name="l00318"></a>00318 fsSession.Parse(KFileName,filestorename);
<a name="l00319"></a>00319 iStore = CDirectFileStore::OpenLC(fsSession,filestorename.FullName(),EFileRead);
<a name="l00320"></a>00320
<a name="l00321"></a>00321 RestoreHeaderL(*iStore,iStore->Root());
<a name="l00322"></a>00322 <span class="comment">// close store</span>
<a name="l00323"></a>00323 CleanupStack::PopAndDestroy();
<a name="l00324"></a>00324 fsSession.Close();
<a name="l00325"></a>00325 iValidDocument = CPictureControl::EHeader;
<a name="l00326"></a>00326 <span class="keywordflow">break</span>;
<a name="l00327"></a>00327 <span class="keywordflow">case</span> 6:
<a name="l00328"></a>00328 iGraphObserver->NotifyStatus(KTxtUpdateModelCase6);
<a name="l00329"></a>00329
<a name="l00330"></a>00330 fsSession.Connect();
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="comment">// Open the direct file store and read the header</span>
<a name="l00333"></a>00333 fsSession.Parse(KFileName,filestorename);
<a name="l00334"></a>00334 iStore = CDirectFileStore::OpenLC(fsSession,filestorename.FullName(),EFileRead);
<a name="l00335"></a>00335
<a name="l00336"></a>00336 TExamplePictureFactory factory;
<a name="l00337"></a>00337 factory.NewPictureL(iHeader,*iStore);
<a name="l00338"></a>00338
<a name="l00339"></a>00339 iPicture = (<a class="code" href="class_c_smiley_picture.html">CSmileyPicture</a> *) iHeader.iPicture.AsPtr();
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="comment">// close store</span>
<a name="l00342"></a>00342 CleanupStack::PopAndDestroy();
<a name="l00343"></a>00343 fsSession.Close();
<a name="l00344"></a>00344 iValidDocument = CPictureControl::EPicture;
<a name="l00345"></a>00345 <span class="keywordflow">break</span>;
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <span class="keywordtype">void</span> CPictureControl::RestoreHeaderL(CStreamStore& aStore, TStreamId aId)
<a name="l00350"></a>00350 {
<a name="l00351"></a>00351 RStoreReadStream stream;
<a name="l00352"></a>00352 stream.OpenLC(aStore,aId);
<a name="l00353"></a>00353 iHeader.InternalizeL(stream);
<a name="l00354"></a>00354 CleanupStack::PopAndDestroy(); <span class="comment">// close and delete the stream</span>
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356
<a name="l00357"></a>00357 TStreamId CPictureControl::StoreHeaderL(CStreamStore& aStore)<span class="keyword"> const</span>
<a name="l00358"></a>00358 <span class="keyword"> </span>{
<a name="l00359"></a>00359 CStoreMap* map=CStoreMap::NewLC(aStore);
<a name="l00360"></a>00360 StoreHeaderComponentsL(*map,aStore);
<a name="l00361"></a>00361
<a name="l00362"></a>00362 RStoreWriteStream stream(*map);
<a name="l00363"></a>00363 TStreamId <span class="keywordtype">id</span> = stream.CreateLC(aStore);
<a name="l00364"></a>00364 iHeader.ExternalizeL(stream);
<a name="l00365"></a>00365 stream.CommitL();
<a name="l00366"></a>00366 map->Reset();
<a name="l00367"></a>00367 CleanupStack::PopAndDestroy(2);
<a name="l00368"></a>00368 <span class="keywordflow">return</span> id;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keywordtype">void</span> CPictureControl::StoreHeaderComponentsL(CStoreMap& aMap,CStreamStore& aStore)<span class="keyword"> const</span>
<a name="l00372"></a>00372 <span class="keyword"> </span>{
<a name="l00373"></a>00373 TStreamId id;
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="keywordtype">id</span> = iPicture->StoreL(aStore);
<a name="l00376"></a>00376 aMap.BindL(iPicture,<span class="keywordtype">id</span>);
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keywordtype">void</span> CPictureControl::Draw(<span class="keyword">const</span> TRect& <span class="comment">/* aRect */</span>)<span class="keyword"> const</span>
<a name="l00380"></a>00380 <span class="keyword"> </span>{
<a name="l00381"></a>00381 <span class="comment">// draw surrounding rectangle</span>
<a name="l00382"></a>00382 CWindowGc& gc=SystemGc(); <span class="comment">// graphics context we draw to</span>
<a name="l00383"></a>00383 gc.UseFont(iMessageFont); <span class="comment">// use the system message font</span>
<a name="l00384"></a>00384 gc.Clear(); <span class="comment">// clear the area to be drawn to</span>
<a name="l00385"></a>00385 SystemGc().DrawRect(Rect()); <span class="comment">// surrounding rectangle to draw into</span>
<a name="l00386"></a>00386 TRect rect=Rect(); <span class="comment">// a centered rectangle of the default size</span>
<a name="l00387"></a>00387 TRgb darkGray(85,85,85);
<a name="l00388"></a>00388
<a name="l00389"></a>00389 <span class="comment">// decide what to do, and do it</span>
<a name="l00390"></a>00390 <span class="keywordflow">switch</span> (iValidDocument)
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392 <span class="keywordflow">case</span> CPictureControl::EFalse:
<a name="l00393"></a>00393 <span class="comment">// if document is not valid then Draw() draws gray screen</span>
<a name="l00394"></a>00394 gc.SetBrushColor(darkGray);
<a name="l00395"></a>00395 gc.Clear(rect);
<a name="l00396"></a>00396 <span class="keywordflow">break</span>;
<a name="l00397"></a>00397 <span class="keywordflow">case</span> CPictureControl::EPicture:
<a name="l00398"></a>00398 <span class="comment">// if picture in is memory then draw it</span>
<a name="l00399"></a>00399 iPicture->Draw(gc,iOffset,rect,testMap);
<a name="l00400"></a>00400 <span class="keywordflow">break</span>;
<a name="l00401"></a>00401 <span class="keywordflow">case</span> CPictureControl::EHeader:
<a name="l00402"></a>00402 <span class="comment">// if no iPicture, draw picture outline to specified size at iOffset</span>
<a name="l00403"></a>00403 TInt bottomRightX = iOffset.iX + iHeader.iSize.iWidth;
<a name="l00404"></a>00404 TInt bottomRightY = iOffset.iY + iHeader.iSize.iHeight;
<a name="l00405"></a>00405 TRect outlineBox(iOffset,TPoint(bottomRightX,bottomRightY));
<a name="l00406"></a>00406
<a name="l00407"></a>00407 gc.SetPenStyle(CGraphicsContext::EDottedPen);
<a name="l00408"></a>00408 gc.DrawRect(outlineBox);
<a name="l00409"></a>00409 <span class="keywordflow">break</span>;
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411
<a name="l00412"></a>00412 <span class="comment">//iConEnv->ScreenDevice()->ReleaseFont(iMessageFont);</span>
<a name="l00413"></a>00413 <span class="comment">//gc.ReleaseFont(iMessageFont);</span>
<a name="l00414"></a>00414 <span class="comment">//gc.DiscardFont(); // discard font</span>
<a name="l00415"></a>00415 }
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