Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_font_bitmap_server_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/Graphics/Bitmaps/FontBitmapServer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include "BitmapsGraphicsControl.h"</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="comment">// header for multi-bitmap file grbitmap.mbm containing 2 bitmaps to use</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <grbmap.mbg></span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// The name of the multi-bitmap file containing the bitmap</span>
<a name="l00023"></a>00023 <span class="comment">// and bitmap mask files.</span>
<a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtMBMname,<span class="stringliteral">"\\resource\\apps\\grbmap.mbm"</span>);
<a name="l00025"></a>00025
<a name="l00026"></a>00026 CFbsControl::~CFbsControl()
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <span class="comment">// as the user can exit the example at any phase</span>
<a name="l00029"></a>00029 <span class="comment">// delete any member data that may cause a memory leak</span>
<a name="l00030"></a>00030 <span class="keywordflow">if</span> (Phase()==1 || Phase()==7 || Phase()==8) <span class="keyword">delete</span>(iBitmap1);
<a name="l00031"></a>00031 <span class="keywordflow">if</span> (Phase()==3 || Phase()==4) <span class="keyword">delete</span>(iBitmap2);
<a name="l00032"></a>00032 <span class="keywordflow">if</span> (Phase()==4 || Phase()==5) <span class="keyword">delete</span>(iBitmap3);
<a name="l00033"></a>00033 <span class="keywordflow">if</span> (Phase()==8) <span class="keyword">delete</span>(iBitmap4);
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="comment">// Text printed to the console</span>
<a name="l00038"></a>00038 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase0,<span class="stringliteral">"Load, draw and delete bitmap"</span>);
<a name="l00039"></a>00039 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase1,<span class="stringliteral">"Load and draw bitmap"</span>);
<a name="l00040"></a>00040 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase2,<span class="stringliteral">"Delete bitmap"</span>);
<a name="l00041"></a>00041 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase3,<span class="stringliteral">"Create bitmap2 and draw"</span>);
<a name="l00042"></a>00042 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase4,<span class="stringliteral">"Duplicate bitmap 2 as bitmap 3 and draw both"</span>);
<a name="l00043"></a>00043 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase5,<span class="stringliteral">"Delete bitmap 2, draw bitmap 3"</span>);
<a name="l00044"></a>00044 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase6,<span class="stringliteral">"Delete bitmap 3"</span>);
<a name="l00045"></a>00045 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase7,<span class="stringliteral">"Reload and draw bitmap1"</span>);
<a name="l00046"></a>00046 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase8,<span class="stringliteral">"Make bitmap 4 as transposed bitmap 1 and draw both"</span>);
<a name="l00047"></a>00047 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtUpdateModelCase9,<span class="stringliteral">"Delete bitmaps 1 and 4"</span>);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keywordtype">void</span> CFbsControl::UpdateModelL()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="comment">// set up name for bitmap sharing</span>
<a name="l00052"></a>00052 TBool shareIfLoaded(ETrue);
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// device and context for drawing to the in-memory bitmap</span>
<a name="l00055"></a>00055 CFbsBitmapDevice* iBitmapDevice2;
<a name="l00056"></a>00056 CGraphicsContext* iBitmapContext2;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keywordflow">switch</span> (Phase())
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="keywordflow">case</span> 0:
<a name="l00061"></a>00061 <span class="comment">// NB. in this phase, loading of the bitmap occurs in Draw()</span>
<a name="l00062"></a>00062 iGraphObserver->NotifyStatus(KTxtUpdateModelCase0);
<a name="l00063"></a>00063 <span class="keywordflow">break</span>;
<a name="l00064"></a>00064 <span class="keywordflow">case</span> 1:
<a name="l00065"></a>00065 <span class="comment">// load bitmap1 from .mbm file</span>
<a name="l00066"></a>00066 iBitmap1 = <span class="keyword">new</span> (ELeave) CFbsBitmap();
<a name="l00067"></a>00067 LoadBitmapL(iBitmap1,KTxtMBMname,EMbmGrbmapSmiley,shareIfLoaded);
<a name="l00068"></a>00068 iGraphObserver->NotifyStatus(KTxtUpdateModelCase1);
<a name="l00069"></a>00069 <span class="keywordflow">break</span>;
<a name="l00070"></a>00070 <span class="keywordflow">case</span> 2:
<a name="l00071"></a>00071 <span class="comment">// delete bitmap1</span>
<a name="l00072"></a>00072 <span class="keyword">delete</span> iBitmap1;
<a name="l00073"></a>00073 iGraphObserver->NotifyStatus(KTxtUpdateModelCase2);
<a name="l00074"></a>00074 <span class="keywordflow">break</span>;
<a name="l00075"></a>00075 <span class="keywordflow">case</span> 3:
<a name="l00076"></a>00076 <span class="comment">// create bitmap 2</span>
<a name="l00077"></a>00077 iBitmap2 = <span class="keyword">new</span> (ELeave) CFbsBitmap();
<a name="l00078"></a>00078 iBitmap2->Create(TSize(100,100),EGray4);
<a name="l00079"></a>00079 <span class="comment">// create a device and gc for it</span>
<a name="l00080"></a>00080 iBitmapDevice2 = CFbsBitmapDevice::NewL(iBitmap2);
<a name="l00081"></a>00081 iBitmapDevice2->CreateContext(iBitmapContext2);
<a name="l00082"></a>00082 <span class="comment">// draw to it</span>
<a name="l00083"></a>00083 DrawSmiley(*iBitmapContext2);
<a name="l00084"></a>00084 <span class="comment">// delete the context and device for bitmap 2</span>
<a name="l00085"></a>00085 <span class="keyword">delete</span> iBitmapContext2;
<a name="l00086"></a>00086 <span class="keyword">delete</span> iBitmapDevice2;
<a name="l00087"></a>00087 <span class="comment">// and blit it (in the Draw() function)</span>
<a name="l00088"></a>00088 iGraphObserver->NotifyStatus(KTxtUpdateModelCase3);
<a name="l00089"></a>00089 <span class="keywordflow">break</span>;
<a name="l00090"></a>00090 <span class="keywordflow">case</span> 4:
<a name="l00091"></a>00091 <span class="comment">// create bitmap 3 as a duplicate of bitmap 2</span>
<a name="l00092"></a>00092 iBitmap3 = <span class="keyword">new</span> (ELeave) CFbsBitmap();
<a name="l00093"></a>00093 iBitmap3->Duplicate(iBitmap2->Handle());
<a name="l00094"></a>00094 iGraphObserver->NotifyStatus(KTxtUpdateModelCase4);
<a name="l00095"></a>00095 <span class="keywordflow">break</span>;
<a name="l00096"></a>00096 <span class="keywordflow">case</span> 5:
<a name="l00097"></a>00097 <span class="comment">// delete bitmap 2</span>
<a name="l00098"></a>00098 <span class="keyword">delete</span> iBitmap2;
<a name="l00099"></a>00099 iGraphObserver->NotifyStatus(KTxtUpdateModelCase5);
<a name="l00100"></a>00100 <span class="keywordflow">break</span>;
<a name="l00101"></a>00101 <span class="keywordflow">case</span> 6:
<a name="l00102"></a>00102 <span class="comment">// delete bitmap 3</span>
<a name="l00103"></a>00103 <span class="keyword">delete</span> iBitmap3;
<a name="l00104"></a>00104 iGraphObserver->NotifyStatus(KTxtUpdateModelCase6);
<a name="l00105"></a>00105 <span class="keywordflow">break</span>;
<a name="l00106"></a>00106 <span class="keywordflow">case</span> 7:
<a name="l00107"></a>00107 <span class="comment">// reload bitmap 1 from .mbm file</span>
<a name="l00108"></a>00108 iBitmap1 = <span class="keyword">new</span> (ELeave) CFbsBitmap();
<a name="l00109"></a>00109 LoadBitmapL(iBitmap1,KTxtMBMname,EMbmGrbmapSmiley,shareIfLoaded);
<a name="l00110"></a>00110 iGraphObserver->NotifyStatus(KTxtUpdateModelCase7);
<a name="l00111"></a>00111 <span class="keywordflow">break</span>;
<a name="l00112"></a>00112 <span class="keywordflow">case</span> 8:
<a name="l00113"></a>00113 <span class="comment">// create bitmap 4 as rotated bitmap 1</span>
<a name="l00114"></a>00114 CreateRotatedBitmapL();
<a name="l00115"></a>00115 iGraphObserver->NotifyStatus(KTxtUpdateModelCase8);
<a name="l00116"></a>00116 <span class="keywordflow">break</span>;
<a name="l00117"></a>00117 <span class="keywordflow">case</span> 9:
<a name="l00118"></a>00118 <span class="comment">// delete remaing bitmaps (1 and 4)</span>
<a name="l00119"></a>00119 <span class="keyword">delete</span> iBitmap1;
<a name="l00120"></a>00120 <span class="keyword">delete</span> iBitmap4;
<a name="l00121"></a>00121 iGraphObserver->NotifyStatus(KTxtUpdateModelCase9);
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordtype">void</span> CFbsControl::Draw(<span class="keyword">const</span> TRect& <span class="comment">/* aRect */</span>)<span class="keyword"> const</span>
<a name="l00126"></a>00126 <span class="keyword"> </span>{
<a name="l00127"></a>00127 <span class="comment">// draw surrounding rectangle</span>
<a name="l00128"></a>00128 CWindowGc& gc=SystemGc(); <span class="comment">// graphics context we draw to</span>
<a name="l00129"></a>00129 gc.UseFont(iMessageFont); <span class="comment">// use the system message font</span>
<a name="l00130"></a>00130 gc.Clear(); <span class="comment">// clear the area to be drawn to</span>
<a name="l00131"></a>00131 TRect rect=Rect(); <span class="comment">// a centered rectangle of the default size</span>
<a name="l00132"></a>00132 gc.DrawRect(rect); <span class="comment">// surrounding rectangle to draw into</span>
<a name="l00133"></a>00133 TRgb darkGray(85,85,85);
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="comment">// decide what to do, and do it</span>
<a name="l00136"></a>00136 <span class="keywordflow">switch</span> (Phase())
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">case</span> 0:
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <span class="comment">// perform (leavable) draw function</span>
<a name="l00141"></a>00141 TRAP_IGNORE(MUTABLE_CAST(<a class="code" href="class_c_fbs_control.html">CFbsControl</a>*,<span class="keyword">this</span>)->DrawL(gc));
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 <span class="keywordflow">break</span>;
<a name="l00144"></a>00144 <span class="keywordflow">case</span> 1:
<a name="l00145"></a>00145 <span class="comment">// draw bitmap, centered on the screen,</span>
<a name="l00146"></a>00146 <span class="comment">// using bitmap block transfer</span>
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 DrawSingleBitmap(iBitmap1,gc);
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="keywordflow">break</span>;
<a name="l00151"></a>00151 <span class="keywordflow">case</span> 2:
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 <span class="comment">// no bitmaps are loaded so draw gray screen</span>
<a name="l00154"></a>00154 gc.SetBrushColor(darkGray);
<a name="l00155"></a>00155 gc.Clear(rect);
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 <span class="keywordflow">break</span>;
<a name="l00158"></a>00158 <span class="keywordflow">case</span> 3:
<a name="l00159"></a>00159 <span class="comment">// draw bitmap2</span>
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 DrawSingleBitmap(iBitmap2,gc);
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 <span class="keywordflow">break</span>;
<a name="l00164"></a>00164 <span class="keywordflow">case</span> 4:
<a name="l00165"></a>00165 <span class="comment">// draw bitmap 2 and bitmap3</span>
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 DrawTwoBitmaps(iBitmap2,iBitmap3,gc);
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 <span class="keywordflow">break</span>;
<a name="l00170"></a>00170 <span class="keywordflow">case</span> 5:
<a name="l00171"></a>00171 <span class="comment">// draw bitmap3</span>
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 DrawSingleBitmap(iBitmap3,gc);
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 <span class="keywordflow">break</span>;
<a name="l00176"></a>00176 <span class="keywordflow">case</span> 6:
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 <span class="comment">// no bitmaps are loaded so draw gray screen</span>
<a name="l00179"></a>00179 gc.SetBrushColor(darkGray);
<a name="l00180"></a>00180 gc.Clear(rect);
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 <span class="keywordflow">break</span>;
<a name="l00183"></a>00183 <span class="keywordflow">case</span> 7:
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 DrawSingleBitmap(iBitmap1,gc);
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 <span class="keywordflow">break</span>;
<a name="l00188"></a>00188 <span class="keywordflow">case</span> 8:
<a name="l00189"></a>00189 <span class="comment">// draw bitmap and bitmap4</span>
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191 DrawTwoBitmaps(iBitmap1,iBitmap4,gc);
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193 <span class="keywordflow">break</span>;
<a name="l00194"></a>00194 <span class="keywordflow">case</span> 9:
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="comment">// no bitmaps are loaded so draw gray screen</span>
<a name="l00197"></a>00197 gc.SetBrushColor(darkGray);
<a name="l00198"></a>00198 gc.Clear(rect);
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 <span class="keywordflow">break</span>;
<a name="l00201"></a>00201 <span class="keywordflow">default</span>:
<a name="l00202"></a>00202 <span class="keywordflow">break</span>;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtZDrive,<span class="stringliteral">"Z:"</span>);
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="keywordtype">void</span> CFbsControl::LoadBitmapL(CFbsBitmap* aBitMap,<span class="keyword">const</span> TDesC& aPathAndFile,TInt aId,TBool aShareIfLoaded)
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211 TParse mbfn;
<a name="l00212"></a>00212
<a name="l00213"></a>00213 TDriveUnit sysDrive (RFs::GetSystemDrive());
<a name="l00214"></a>00214 TDriveName sysDriveName (sysDrive.Name());
<a name="l00215"></a>00215 TFileName fileName(sysDriveName);
<a name="l00216"></a>00216 fileName.Append(aPathAndFile);
<a name="l00217"></a>00217
<a name="l00218"></a>00218 mbfn.Set(aPathAndFile,&fileName,NULL);
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (!aBitMap->Load(mbfn.FullName(),aId,aShareIfLoaded))
<a name="l00220"></a>00220 <span class="keywordflow">return</span>;
<a name="l00221"></a>00221
<a name="l00222"></a>00222 mbfn.Set(aPathAndFile,&KTxtZDrive,NULL);
<a name="l00223"></a>00223 User::LeaveIfError(aBitMap->Load(mbfn.FullName(),aId,aShareIfLoaded));
<a name="l00224"></a>00224 <span class="keywordflow">return</span>;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keywordtype">void</span> CFbsControl::DrawL(CWindowGc& aGc)
<a name="l00229"></a>00229 <span class="comment">// draw a whole bitmap centered on the screen,</span>
<a name="l00230"></a>00230 <span class="comment">// using bitmap block transfer</span>
<a name="l00231"></a>00231 {
<a name="l00232"></a>00232 <span class="comment">// set up name for bitmap sharing</span>
<a name="l00233"></a>00233 TBool shareIfLoaded(ETrue);
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="comment">// load the bitmap and mask bitmap</span>
<a name="l00236"></a>00236 iBitmap1 = <span class="keyword">new</span> (ELeave) CFbsBitmap();
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="comment">// Load the bitmap</span>
<a name="l00239"></a>00239 LoadBitmapL(iBitmap1,KTxtMBMname,EMbmGrbmapSmiley,shareIfLoaded);
<a name="l00240"></a>00240
<a name="l00241"></a>00241 <span class="comment">// calculate position for top left of bitmap so it is centered</span>
<a name="l00242"></a>00242 DrawSingleBitmap(iBitmap1,aGc);
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">// delete bitmap from memory</span>
<a name="l00245"></a>00245 <span class="keyword">delete</span>(iBitmap1);
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keywordtype">void</span> CFbsControl::DrawSmiley(CGraphicsContext& aGc)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 <span class="comment">// setup pens for drawing smiley</span>
<a name="l00251"></a>00251 TSize penSizeBold(3,3);
<a name="l00252"></a>00252 TSize penSizeFat(5,5);
<a name="l00253"></a>00253 aGc.SetPenSize(penSizeFat);
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="comment">// setup sizes/offsets for the face</span>
<a name="l00256"></a>00256 TInt leftOffset = 22;
<a name="l00257"></a>00257 TInt rightOffset = 38;
<a name="l00258"></a>00258 TInt circleSize = 50;
<a name="l00259"></a>00259 TInt shrinkSize = 10;
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="comment">// draw eyes and outline of face (circle)</span>
<a name="l00262"></a>00262 TPoint leftEye(leftOffset,21);
<a name="l00263"></a>00263 TPoint rightEye(rightOffset,21);
<a name="l00264"></a>00264 aGc.Plot(leftEye);
<a name="l00265"></a>00265 aGc.Plot(rightEye);
<a name="l00266"></a>00266 aGc.SetPenSize(penSizeBold);
<a name="l00267"></a>00267 TRect circle(TPoint(10,10),TPoint(circleSize,circleSize));
<a name="l00268"></a>00268 aGc.DrawEllipse(circle);
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="comment">// draw the smile</span>
<a name="l00271"></a>00271 TRect smile = circle;
<a name="l00272"></a>00272 smile.Shrink(shrinkSize,shrinkSize);
<a name="l00273"></a>00273 aGc.DrawArc(smile,TPoint(10,circleSize-shrinkSize),TPoint(circleSize,circleSize-shrinkSize));
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordtype">void</span> CFbsControl::CreateRotatedBitmapL()
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 <span class="comment">// create iBitmap4 as the same size as iBitmap, but with the height and width swapped</span>
<a name="l00279"></a>00279 iBitmap4 = <span class="keyword">new</span> (ELeave) CFbsBitmap();
<a name="l00280"></a>00280 TSize inSize = iBitmap1->SizeInPixels();
<a name="l00281"></a>00281 iBitmap4->Create(TSize(inSize.iHeight,inSize.iWidth),iBitmap1->DisplayMode());
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="comment">// create the bitmap utils</span>
<a name="l00284"></a>00284 TBitmapUtil* iBitmap1Util = <span class="keyword">new</span> (ELeave) TBitmapUtil(iBitmap1);
<a name="l00285"></a>00285 TBitmapUtil* iBitmap4Util = <span class="keyword">new</span> (ELeave) TBitmapUtil(iBitmap4);
<a name="l00286"></a>00286
<a name="l00287"></a>00287 iBitmap1Util->Begin(TPoint(0,0)); <span class="comment">// lock the stack and perform a SetPos(TPoint(0,0)) on iBitmap1Util</span>
<a name="l00288"></a>00288 iBitmap4Util->Begin(TPoint(0,0),*iBitmap1Util); <span class="comment">// perform a SetPos(TPoint(0,0)) on iBitmap4Util, but does not lock the stack again</span>
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">// set the bits of iBitmap4 as iBitmap1, rotated through 90 degrees</span>
<a name="l00291"></a>00291 TInt xPos;
<a name="l00292"></a>00292 <span class="keywordflow">for</span> (TInt yPos=0;yPos<inSize.iHeight;yPos++)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 iBitmap1Util->SetPos(TPoint(0,yPos));
<a name="l00295"></a>00295 iBitmap4Util->SetPos(TPoint(yPos,0));
<a name="l00296"></a>00296 <span class="keywordflow">for</span> (xPos=0;xPos<inSize.iWidth;xPos++)
<a name="l00297"></a>00297 {
<a name="l00298"></a>00298 iBitmap4Util->SetPixel(*iBitmap1Util);
<a name="l00299"></a>00299 iBitmap1Util->IncXPos();
<a name="l00300"></a>00300 iBitmap4Util->IncYPos();
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">// each Begin() must have a corresponding End()</span>
<a name="l00305"></a>00305 iBitmap1Util->End();
<a name="l00306"></a>00306 iBitmap4Util->End();
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="comment">// delete the bitmap utils</span>
<a name="l00309"></a>00309 <span class="keyword">delete</span> iBitmap1Util;
<a name="l00310"></a>00310 <span class="keyword">delete</span> iBitmap4Util;
<a name="l00311"></a>00311 }
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordtype">void</span> CFbsControl::DrawSingleBitmap(CFbsBitmap* aDrawBitmap,CWindowGc& aGc)<span class="keyword"> const</span>
<a name="l00314"></a>00314 <span class="keyword"> </span>{
<a name="l00315"></a>00315 <span class="comment">// calculate position for top left of bitmap so it is centered</span>
<a name="l00316"></a>00316 TSize bmpSizeInPixels=aDrawBitmap->SizeInPixels();
<a name="l00317"></a>00317 TRect rect=Rect(); <span class="comment">// a centered rectangle of the default size</span>
<a name="l00318"></a>00318 TInt xDelta=(rect.Width()-bmpSizeInPixels.iWidth)/2;
<a name="l00319"></a>00319 TInt yDelta=(rect.Height()-bmpSizeInPixels.iHeight)/2;
<a name="l00320"></a>00320 TPoint pos=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span>
<a name="l00321"></a>00321 pos+=rect.iTl; <span class="comment">// bitmap top left corner position</span>
<a name="l00322"></a>00322 aGc.BitBlt(pos, aDrawBitmap); <span class="comment">// CWindowGc member function</span>
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="keywordtype">void</span> CFbsControl::DrawTwoBitmaps(CFbsBitmap* aBitmap1,CFbsBitmap* aBitmap2,CWindowGc& aGc)<span class="keyword"> const</span>
<a name="l00326"></a>00326 <span class="keyword"> </span>{
<a name="l00327"></a>00327 <span class="comment">// calculate position for top left of bitmap so it is centered</span>
<a name="l00328"></a>00328 TSize bmpSizeInPixels=aBitmap1->SizeInPixels();
<a name="l00329"></a>00329 TRect rect=Rect(); <span class="comment">// a centered rectangle of the default size</span>
<a name="l00330"></a>00330 TInt xDelta=(rect.Width()-bmpSizeInPixels.iWidth)/4;
<a name="l00331"></a>00331 TInt yDelta=(rect.Height()-bmpSizeInPixels.iHeight)/4;
<a name="l00332"></a>00332 TPoint pos=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span>
<a name="l00333"></a>00333 TPoint pos2=TPoint(xDelta*3,yDelta);
<a name="l00334"></a>00334 pos+=rect.iTl; <span class="comment">// bitmap top left corner position</span>
<a name="l00335"></a>00335 pos2+=rect.iTl;
<a name="l00336"></a>00336 aGc.BitBlt(pos, aBitmap1); <span class="comment">// CWindowGc member function</span>
<a name="l00337"></a>00337 aGc.BitBlt(pos2, aBitmap2);
<a name="l00338"></a>00338 }
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