Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_p_d_r_example_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/PDRStore/PDRExample.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<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 "PDRExample.h"</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00019"></a>00019 CPdrExample::CPdrExample()
<a name="l00020"></a>00020 {}
<a name="l00021"></a>00021
<a name="l00022"></a>00022 CPdrExample::~CPdrExample()
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KExit,<span class="stringliteral">"\n\nPress any key to exit the application "</span>);
<a name="l00025"></a>00025 iConsole->Printf(KExit);
<a name="l00026"></a>00026 iConsole->Getch();
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">// Free user defined objects</span>
<a name="l00029"></a>00029 <span class="keyword">delete</span> iDriver;
<a name="l00030"></a>00030 <span class="keyword">delete</span> iStopper;
<a name="l00031"></a>00031 RFbsSession::Disconnect();
<a name="l00032"></a>00032 <span class="keyword">delete</span> iConsole;
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <a class="code" href="class_c_pdr_example.html">CPdrExample</a>* CPdrExample::NewL()
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <a class="code" href="class_c_pdr_example.html">CPdrExample</a>* <span class="keyword">self</span>= <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_pdr_example.html">CPdrExample</a>();
<a name="l00038"></a>00038 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00039"></a>00039 <span class="keyword">self</span>->ConstructL();
<a name="l00040"></a>00040 CleanupStack::Pop();
<a name="l00041"></a>00041 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordtype">void</span> CPdrExample::ConstructL()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 iConsole = Console::NewL(KTitle,TSize(KConsFullScreen,KConsFullScreen));
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextPressAKey, <span class="stringliteral">"\n\nPress any key to step through the example"</span>);
<a name="l00049"></a>00049 iConsole->Printf ( KTextPressAKey );
<a name="l00050"></a>00050 iConsole->Getch ();
<a name="l00051"></a>00051
<a name="l00052"></a>00052 iConsole->Printf ( _L(<span class="stringliteral">"\nLoading printer driver...\n"</span>) );
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// Load printer driver</span>
<a name="l00055"></a>00055 User::LoadPhysicalDevice(PDD_NAME);
<a name="l00056"></a>00056 <span class="comment">// Load printer device</span>
<a name="l00057"></a>00057 User::LoadLogicalDevice(LDD_NAME);
<a name="l00058"></a>00058 FbsStartup();
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// Open a session with the font and bitmap server</span>
<a name="l00061"></a>00061 RFbsSession::Connect();
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">// Create a printer driver</span>
<a name="l00065"></a>00065 <span class="keywordtype">void</span> CPdrExample::CreatePrinterDriverL()
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067
<a name="l00068"></a>00068 iStopper=<span class="keyword">new</span>(ELeave) <a class="code" href="class_c_pdr_print.html">CPdrPrint</a>();
<a name="l00069"></a>00069 CActiveScheduler::Add(iStopper);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="comment">// Create a printer driver object</span>
<a name="l00072"></a>00072 iDriver=CPrinterDriver::NewL();
<a name="l00073"></a>00073
<a name="l00074"></a>00074 TFileName filename( KDriveName );
<a name="l00075"></a>00075 filename.Append( KDefaultPrinterDriverPath );
<a name="l00076"></a>00076 filename.Append( KEpsonFileName );
<a name="l00077"></a>00077
<a name="l00078"></a>00078 iConsole->Printf ( _L(<span class="stringliteral">"\nOpening printer driver information file...\n"</span>) );
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">// Open a printer driver information(.pdr) file</span>
<a name="l00081"></a>00081 TInt ret;
<a name="l00082"></a>00082 TRAP(ret,iDriver->OpenPdrL( filename ));
<a name="l00083"></a>00083 <span class="keywordflow">if</span> ( ret == KErrNone )
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 iConsole->Printf(_L(<span class="stringliteral">"\nNumber of models: %d\n"</span>),iDriver->NumModels());
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">// Get models</span>
<a name="l00089"></a>00089 TPrinterModelEntry entry;
<a name="l00090"></a>00090 <span class="keywordflow">for</span> (TInt i=0; i<iDriver->NumModels(); i++)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 entry=iDriver->Model(i);
<a name="l00093"></a>00093 iConsole->Printf(_L(<span class="stringliteral">"Model: %S\n"</span>),&entry.iModelName);
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 iConsole->Getch();
<a name="l00097"></a>00097 iConsole->Printf(_L(<span class="stringliteral">"\nSelect model from 1 to %d\n"</span>),iDriver->NumModels());
<a name="l00098"></a>00098 iConsole->Printf(_L(<span class="stringliteral">"\nSelecting... %d\n"</span>),iDriver->NumModels());
<a name="l00099"></a>00099 iConsole->Printf(_L(<span class="stringliteral">"\nPrinter driver properties:\n"</span>));
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">// Create a printer device </span>
<a name="l00102"></a>00102 iDevice=NULL;
<a name="l00103"></a>00103 entry=iDriver->Model(iDriver->NumModels()-1);
<a name="l00104"></a>00104 TRAP(ret,iDevice=iDriver->CreatePrinterDeviceL(entry.iUid));
<a name="l00105"></a>00105 <span class="keywordflow">if</span> ( ret == KErrNone )
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 iConsole->Printf(_L(<span class="stringliteral">"PDR device: %d\n"</span>),iDevice);
<a name="l00108"></a>00108 iConsole->Printf(_L(<span class="stringliteral">"No. of typefaces: %d\n"</span>),iDevice->NumTypefaces());
<a name="l00109"></a>00109 TPrinterModelName iModelName = iDevice->Model().iModelName;
<a name="l00110"></a>00110 iConsole->Printf(_L(<span class="stringliteral">"Model name: %S\n"</span>),&iModelName );
<a name="l00111"></a>00111 iConsole->Getch();
<a name="l00112"></a>00112
<a name="l00113"></a>00113 TPageSpec pagespec(TPageSpec::EPortrait,KA4PaperSizeInTwips);
<a name="l00114"></a>00114 iDevice->SelectPageSpecInTwips(pagespec);
<a name="l00115"></a>00115
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="comment">// Display supported typefaces </span>
<a name="l00120"></a>00120 <span class="keywordtype">void</span> CPdrExample::DisplayTypefaces()
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="comment">// Get typefaces </span>
<a name="l00123"></a>00123 TTypefaceSupport support;
<a name="l00124"></a>00124 iDevice->TypefaceSupport(support,0);
<a name="l00125"></a>00125 TBuf<KMaxTypefaceNameLength> name;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 iConsole->Printf(_L(<span class="stringliteral">"\nSupported typefaces:\n"</span>));
<a name="l00128"></a>00128 TInt i;
<a name="l00129"></a>00129 <span class="keywordflow">for</span> (i=0; i<iDevice->NumTypefaces(); i++)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 iDevice->TypefaceSupport(support,i);
<a name="l00132"></a>00132 name.Copy(support.iTypeface.iName);
<a name="l00133"></a>00133 iConsole->Printf(_L(<span class="stringliteral">" %S\n"</span>),&name);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 iConsole->Getch();
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="comment">// Create a printer control </span>
<a name="l00139"></a>00139 <span class="keywordtype">void</span> CPdrExample::CreatePrinterControl()
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 CPrinterPort* printerport=NULL;
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (iDevice->Model().iRequiresPrinterPort)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 TInt ret;
<a name="l00146"></a>00146 TRAP(ret,printerport=CFilePrinterPort::NewL(_L(<span class="stringliteral">"\\temp.prn"</span>)));
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (ret==KErrNone)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 iConsole->Printf(_L(<span class="stringliteral">"\nCreate a printer control to process and terminate the print job\n"</span>));
<a name="l00150"></a>00150 TRAP(ret,iDevice->CreateControlL(printerport));
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="comment">// Create a graphic context, process and terminate the print job</span>
<a name="l00157"></a>00157 <span class="keywordtype">void</span> CPdrExample::PrintPages()
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159
<a name="l00160"></a>00160 TBandAttributes attributes;
<a name="l00161"></a>00161 CPrinterControl::TMoreOnPage moreonpage=CPrinterControl::EMoreOnPage;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 TInt h=iDevice->HorizontalPixelsToTwips(1000);
<a name="l00164"></a>00164 TInt v=iDevice->VerticalPixelsToTwips(1000);
<a name="l00165"></a>00165 TInt k=4800;
<a name="l00166"></a>00166
<a name="l00167"></a>00167 TInt nuBands = iDevice->iControl->BandsPerPage();
<a name="l00168"></a>00168 iConsole->Printf(_L(<span class="stringliteral">"Number of bands per page: %d\n"</span>), nuBands);
<a name="l00169"></a>00169 iConsole->Printf(_L(<span class="stringliteral">"Printing bands on the page...\n"</span>));
<a name="l00170"></a>00170 iConsole->Getch();
<a name="l00171"></a>00171
<a name="l00172"></a>00172 TInt i=0;
<a name="l00173"></a>00173 <span class="keywordflow">do</span>
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 iConsole->Printf(_L(<span class="stringliteral">"Band %d\n"</span>),i+1);
<a name="l00176"></a>00176 moreonpage=iDevice->iControl->QueueGetBand(iStopper->Queue(),attributes);
<a name="l00177"></a>00177 CActiveScheduler::Start();
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="comment">// Create a graphic context for breaking the drawing into bands</span>
<a name="l00180"></a>00180 CGraphicsContext* gc=NULL;
<a name="l00181"></a>00181 iDevice->CreateContext((CGraphicsContext *&) gc);
<a name="l00182"></a>00182 gc->SetPenColor(KRgbBlack);
<a name="l00183"></a>00183 gc->SetPenStyle(CGraphicsContext::ESolidPen);
<a name="l00184"></a>00184 gc->SetPenSize(TSize(4*k/h,4*k/v));
<a name="l00185"></a>00185 gc->DrawEllipse(TRect(391,352,1152,601));
<a name="l00186"></a>00186 <span class="keyword">delete</span> gc;
<a name="l00187"></a>00187 i++;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189 <span class="keywordflow">while</span> (moreonpage==CPrinterControl::EMoreOnPage);
<a name="l00190"></a>00190
<a name="l00191"></a>00191 iConsole->Printf(_L(<span class="stringliteral">"\nPrinting completed\n"</span>));
<a name="l00192"></a>00192 iDevice->iControl->QueueEndPrint(iStopper->Queue());
<a name="l00193"></a>00193 CActiveScheduler::Start();
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 LOCAL_C <span class="keywordtype">void</span> MainL()
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 CActiveScheduler* scheduler = <span class="keyword">new</span> (ELeave) CActiveScheduler;
<a name="l00199"></a>00199 CleanupStack::PushL(scheduler);
<a name="l00200"></a>00200 CActiveScheduler::Install( scheduler );
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <a class="code" href="class_c_pdr_example.html">CPdrExample</a>* app = CPdrExample::NewL();
<a name="l00203"></a>00203 CleanupStack::PushL(app);
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// Load the printer driver</span>
<a name="l00206"></a>00206 app->CreatePrinterDriverL();
<a name="l00207"></a>00207 <span class="comment">// Display supported typefaces </span>
<a name="l00208"></a>00208 app->DisplayTypefaces();
<a name="l00209"></a>00209 <span class="comment">// Create a printer control for handling the print jobs</span>
<a name="l00210"></a>00210 app->CreatePrinterControl();
<a name="l00211"></a>00211 <span class="comment">// Process and terminate the print job</span>
<a name="l00212"></a>00212 app->PrintPages();
<a name="l00213"></a>00213
<a name="l00214"></a>00214 CleanupStack::PopAndDestroy(2,scheduler);
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217 GLDEF_C TInt E32Main()
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 __UHEAP_MARK;
<a name="l00220"></a>00220 CTrapCleanup* cleanup = CTrapCleanup::New();
<a name="l00221"></a>00221 <span class="keywordflow">if</span>(cleanup == NULL)
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 <span class="keywordflow">return</span> KErrNoMemory;
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225 TRAPD(err, MainL());
<a name="l00226"></a>00226 <span class="keywordflow">if</span>(err != KErrNone)
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228 User::Panic(_L(<span class="stringliteral">"Failed to complete"</span>),err);
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keyword">delete</span> cleanup;
<a name="l00232"></a>00232 __UHEAP_MARKEND;
<a name="l00233"></a>00233 <span class="keywordflow">return</span> KErrNone;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235
<a name="l00236"></a>00236
<a name="l00237"></a>00237
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