examples/Graphics/PDRStore/PDRExample.cpp

/*
Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this
  list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of Nokia Corporation nor the names of its contributors
  may be used to endorse or promote products derived from this software
  without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Description:  
*/


#include "PDRExample.h"


CPdrExample::CPdrExample()
        {}

CPdrExample::~CPdrExample()
        {
        _LIT(KExit,"\n\nPress any key to exit the application ");
        iConsole->Printf(KExit);
        iConsole->Getch();
        
        // Free user defined objects
        delete iDriver;
        delete iStopper;
        RFbsSession::Disconnect();
        delete iConsole;
        }

CPdrExample* CPdrExample::NewL()
        {
        CPdrExample* self= new (ELeave) CPdrExample();
        CleanupStack::PushL(self);
        self->ConstructL();
        CleanupStack::Pop();
        return self;
        }

void CPdrExample::ConstructL()
        {
        iConsole = Console::NewL(KTitle,TSize(KConsFullScreen,KConsFullScreen));

        _LIT(KTextPressAKey, "\n\nPress any key to step through the example");
        iConsole->Printf ( KTextPressAKey );
        iConsole->Getch ();
        
        iConsole->Printf ( _L("\nLoading printer driver...\n") );
        
        // Load printer driver
        User::LoadPhysicalDevice(PDD_NAME);
        // Load printer device
        User::LoadLogicalDevice(LDD_NAME);
        FbsStartup();
        
        // Open a session with the font and bitmap server
        RFbsSession::Connect();         
        }
        
// Create a printer driver
void CPdrExample::CreatePrinterDriverL()
        {
                
        iStopper=new(ELeave) CPdrPrint();
        CActiveScheduler::Add(iStopper);

        // Create a printer driver object
        iDriver=CPrinterDriver::NewL();         
        
        TFileName filename( KDriveName );
        filename.Append( KDefaultPrinterDriverPath );
        filename.Append( KEpsonFileName );
        
        iConsole->Printf ( _L("\nOpening printer driver information file...\n") );
        
        // Open a printer driver information(.pdr) file
        TInt ret;
        TRAP(ret,iDriver->OpenPdrL( filename ));
        if ( ret == KErrNone )
                {
                iConsole->Printf(_L("\nNumber of models: %d\n"),iDriver->NumModels());          
                }

        // Get models
        TPrinterModelEntry entry;
        for (TInt i=0; i<iDriver->NumModels(); i++)
                {
                entry=iDriver->Model(i);
                iConsole->Printf(_L("Model: %S\n"),&entry.iModelName);
                }
        
        iConsole->Getch();
        iConsole->Printf(_L("\nSelect model from 1 to %d\n"),iDriver->NumModels());
        iConsole->Printf(_L("\nSelecting... %d\n"),iDriver->NumModels());
        iConsole->Printf(_L("\nPrinter driver properties:\n"));

        // Create a printer device              
        iDevice=NULL;
        entry=iDriver->Model(iDriver->NumModels()-1);
        TRAP(ret,iDevice=iDriver->CreatePrinterDeviceL(entry.iUid));
        if ( ret == KErrNone )
                {
                iConsole->Printf(_L("PDR device: %d\n"),iDevice);
                iConsole->Printf(_L("No. of typefaces: %d\n"),iDevice->NumTypefaces());
                TPrinterModelName iModelName = iDevice->Model().iModelName;
                iConsole->Printf(_L("Model name: %S\n"),&iModelName );
                iConsole->Getch();
                
                TPageSpec pagespec(TPageSpec::EPortrait,KA4PaperSizeInTwips);
                iDevice->SelectPageSpecInTwips(pagespec);
        
                }       
        }

// Display supported typefaces 
void CPdrExample::DisplayTypefaces()
        {
        // Get typefaces 
        TTypefaceSupport support;
        iDevice->TypefaceSupport(support,0);
        TBuf<KMaxTypefaceNameLength> name;
                
        iConsole->Printf(_L("\nSupported typefaces:\n"));
        TInt i;
        for (i=0; i<iDevice->NumTypefaces(); i++)
                {
                iDevice->TypefaceSupport(support,i);
                name.Copy(support.iTypeface.iName);
                iConsole->Printf(_L(" %S\n"),&name);
                }
        iConsole->Getch();
        }

// Create a printer control     
void CPdrExample::CreatePrinterControl()
        {       
        CPrinterPort* printerport=NULL;

        if (iDevice->Model().iRequiresPrinterPort)
                {
                TInt ret;
                TRAP(ret,printerport=CFilePrinterPort::NewL(_L("\\temp.prn")));
                if (ret==KErrNone)
                        {
                        iConsole->Printf(_L("\nCreate a printer control to process and terminate the print job\n"));
                        TRAP(ret,iDevice->CreateControlL(printerport));
                        }               
                }
        }

        
// Create a graphic context, process and terminate the print job
void CPdrExample::PrintPages()
        {
        
        TBandAttributes attributes;
        CPrinterControl::TMoreOnPage moreonpage=CPrinterControl::EMoreOnPage;

        TInt h=iDevice->HorizontalPixelsToTwips(1000);
        TInt v=iDevice->VerticalPixelsToTwips(1000);
        TInt k=4800;

        TInt nuBands = iDevice->iControl->BandsPerPage();
        iConsole->Printf(_L("Number of bands per page: %d\n"), nuBands);
        iConsole->Printf(_L("Printing bands on the page...\n"));
        iConsole->Getch();

        TInt i=0;       
        do
                {
                iConsole->Printf(_L("Band %d\n"),i+1);
                moreonpage=iDevice->iControl->QueueGetBand(iStopper->Queue(),attributes);
                CActiveScheduler::Start();
                
                // Create a graphic context for breaking the drawing into bands
                CGraphicsContext* gc=NULL;
                iDevice->CreateContext((CGraphicsContext *&) gc);
                gc->SetPenColor(KRgbBlack);                                                      
                gc->SetPenStyle(CGraphicsContext::ESolidPen);
                gc->SetPenSize(TSize(4*k/h,4*k/v));
                gc->DrawEllipse(TRect(391,352,1152,601));       
                delete gc;
                i++;
                }
        while (moreonpage==CPrinterControl::EMoreOnPage);
        
        iConsole->Printf(_L("\nPrinting completed\n"));
        iDevice->iControl->QueueEndPrint(iStopper->Queue());
        CActiveScheduler::Start();
        }

LOCAL_C void MainL()
        {
        CActiveScheduler* scheduler = new (ELeave) CActiveScheduler;
        CleanupStack::PushL(scheduler);
        CActiveScheduler::Install( scheduler );

        CPdrExample* app = CPdrExample::NewL();
        CleanupStack::PushL(app);
        
        // Load the printer driver
        app->CreatePrinterDriverL();
        // Display supported typefaces 
        app->DisplayTypefaces();
        // Create a printer control for handling the print jobs
        app->CreatePrinterControl();
        // Process and terminate the print job
        app->PrintPages();
        
        CleanupStack::PopAndDestroy(2,scheduler);
        }

GLDEF_C TInt E32Main()
        {
    __UHEAP_MARK;
    CTrapCleanup* cleanup = CTrapCleanup::New();
    if(cleanup == NULL)
        {
        return KErrNoMemory;
        }
    TRAPD(err, MainL());
        if(err != KErrNone)
                {
                User::Panic(_L("Failed to complete"),err);
                }

    delete cleanup;
    __UHEAP_MARKEND;
    return KErrNone;
        }

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