sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "CANONSTD.H"
sl@0: 
sl@0: #include <banddev.h>
sl@0: #include <fbs.h>
sl@0: #include "CANON.H"
sl@0: #include "pdrtext.h"
sl@0: 
sl@0: 
sl@0: EXPORT_C CPrinterDevice* NewPrinterDeviceL()
sl@0: 	{
sl@0: 	CCanonDevice* device = new(ELeave) CCanonDevice;
sl@0: 	return device;
sl@0: 	}
sl@0: 
sl@0: CCanonDevice::CCanonDevice():
sl@0: 	CFbsDrvDevice()
sl@0: 	{
sl@0: 	__DECLARE_NAME(_S("CCanonDevice"));
sl@0: 	}
sl@0: 
sl@0: CCanonDevice::~CCanonDevice()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: TInt CCanonDevice::CreateContext(CGraphicsContext*& aGC)
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(iControl, Panic(ECanonControlDoesNotExist));
sl@0: 	CPdrControl* control = (CPdrControl*)iControl;
sl@0: 	return control->CreateContext(aGC);
sl@0: 	}
sl@0: 
sl@0: void CCanonDevice::CreateControlL(CPrinterPort* aPrinterPort)
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(aPrinterPort, Panic(ECanonRequiresPrinterPort));
sl@0: 	__ASSERT_ALWAYS(!iControl, Panic(ECanonControlAlreadyExists));
sl@0: 	__ASSERT_DEBUG(iCurrentPageSpecInTwips.iPortraitPageSize.iWidth && iCurrentPageSpecInTwips.iPortraitPageSize.iHeight, Panic(ECanonPageSpecNotSet));
sl@0: 	iControl = CCanonControl::NewL(this, aPrinterPort, *iStore, iModelInfo->iResourcesStreamId);
sl@0: 	}
sl@0: 
sl@0: CCanonControl* CCanonControl::NewL(CPdrDevice* aPdrDevice, CPrinterPort* aPrinterPort, CStreamStore& aStore, TStreamId aResourcesStreamId)
sl@0: 	{
sl@0: 	CCanonControl* control = new(ELeave) CCanonControl(aPdrDevice, aPrinterPort);
sl@0: 	CleanupStack::PushL(control);
sl@0: 	control->ConstructL(aStore, aResourcesStreamId);
sl@0: 	CleanupStack::Pop();
sl@0: 	return control;
sl@0: 	}
sl@0: 
sl@0: CCanonControl::~CCanonControl()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CCanonControl::ConstructL(CStreamStore& aStore, TStreamId aResourcesStreamId)
sl@0: 	{
sl@0: 	if((iPdrDevice->CurrentPageSpecInTwips().iOrientation == TPageSpec::ELandscape)
sl@0: 		&& (iPdrDevice->Flags() & ECanonLandscapeNotAvailable))
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 	CFbsDrvControl::ConstructL(aStore, aResourcesStreamId);
sl@0: 
sl@0: 	TRect rect = iPdrDevice->PrintablePageInPixels();
sl@0: 	TSize size;
sl@0: 	size.iWidth = iPdrDevice->HorizontalPixelsToTwips(1000);
sl@0: 	size.iHeight = iPdrDevice->VerticalPixelsToTwips(1000);
sl@0: 	iBandedDevice = CBandedDevice::NewL(rect, size, iPdrDevice->DisplayMode(), EBandingTopToBottom, KCanonNumScanLinesPerBand);
sl@0: 	TInt len = CFbsBitmap::ScanLineLength(iBandedDevice->BandBitmap()->SizeInPixels().iWidth, iPdrDevice->DisplayMode());
sl@0: 	CFbsDrvControl::iScanLine = HBufC8::NewL(len);
sl@0: 	CFbsDrvControl::iCompressedScanLine = HBufC8::NewL(len);
sl@0: 	iPageText = CPageText::NewL();
sl@0: 	}
sl@0: 
sl@0: void CCanonControl::OutputBandL() 	
sl@0: 	{
sl@0: 	if(IsGraphicsBand())
sl@0: 		{
sl@0: 		TRect bandrect = iBandedDevice->BandRect();
sl@0: 		TSize size = bandrect.Size();
sl@0: 		TCommandString des;
sl@0: 		TBool datainband = EFalse;
sl@0: 		for(TInt i = 0; i < size.iWidth; i++)
sl@0: 			{
sl@0: 			iBandedDevice->BandBitmap()->GetVerticalScanLine(iScanLine, i, iPdrDevice->DisplayMode());
sl@0: 			if(TransformBuffer() && !datainband)
sl@0: 				{
sl@0: 				MoveToL(bandrect.iTl + TPoint(i, 0));
sl@0: 				des.Format(iResources->ResourceString(EPdrBitmapStart), KCanonBytesPerDotColumn * (size.iWidth - i));
sl@0: 				iPageBuffer->AddBytesL(des);
sl@0: 				datainband = ETrue;
sl@0: 				}
sl@0: 			if(datainband)
sl@0: 				iPageBuffer->AddBytesL(iScanLine);
sl@0: 			}
sl@0: 		iPageBuffer->AddBytesL(iResources->ResourceString(EPdrBitmapEnd));
sl@0: 
sl@0: 		iPosition.iX = iPdrDevice->OffsetInPixels().iX;
sl@0: 		TInt numentries = iPageText->NumEntries();
sl@0: 		if(numentries)
sl@0: 			{
sl@0: 			CPageTextEntry* entry;
sl@0: 			for(TInt y = bandrect.iTl.iY; y <= bandrect.iBr.iY; y++)
sl@0: 				{
sl@0: 				for(TInt index = 0; (index < numentries); index++)
sl@0: 					{
sl@0: 					entry = (*iPageText)[index];
sl@0: 					TPoint drawPos = entry->iDrawPos - TPoint(0, 16);	// bodge to align pdr fonts with true types
sl@0: 					if(drawPos.iY == y)
sl@0: 						OutputTextL(drawPos, entry->iTextWidthInPixels, *(entry->iTextFormat), *(entry->iText));
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CCanonControl::MoveToL(const TPoint& aPoint) 
sl@0: 	{
sl@0: 	TPoint vector = aPoint - iPosition;
sl@0: 	TInt maxNoOfYIncrements = 256 * 5 / 6; // Ensures no more than 256
sl@0: 	for(; vector.iY >= maxNoOfYIncrements; )
sl@0: 		{
sl@0: 		MoveByL(TPoint(0, maxNoOfYIncrements));
sl@0: 		vector = aPoint - iPosition;
sl@0: 		}
sl@0: 	MoveByL(vector);		
sl@0: 	iPosition = aPoint;
sl@0: 	}
sl@0: 
sl@0: void CCanonControl::MoveByL(const TPoint& aPoint)
sl@0: 	{
sl@0: 	TPoint vector = aPoint;
sl@0: 	if(vector.iX < 0)
sl@0: 		{
sl@0: 		CommandL(EPdrCarriageReturn);
sl@0: 		vector.iX += iPosition.iX - iPdrDevice->OffsetInPixels().iX;
sl@0: 		}
sl@0: 	vector.iX = vector.iX * 2 / 3; // X increments are in 120ths of an inch
sl@0: 	vector.iY = vector.iY * 6 / 5; // Y increments are in 216ths of an inch
sl@0: 	TPoint oldPosition = iPosition;
sl@0: 	CFbsDrvControl::MoveByL(vector);
sl@0: 	iPosition = oldPosition + aPoint; // Correct the position
sl@0: 	}
sl@0: 
sl@0: TBool CCanonControl::TransformBuffer()
sl@0: 	{
sl@0: 	TUint8* pStart = (TUint8*)iScanLine.Ptr();
sl@0: 	TUint8* pEnd = pStart + (KCanonNumScanLinesPerBand >> 3);
sl@0: 	TUint8* p;
sl@0: 	for(p = pStart; (p < pEnd) && (*p == 0xFF); p++)
sl@0: 		{
sl@0: 		}
sl@0: 	TBool datainscanline = (p < pEnd);
sl@0: 	for(p = pStart; p < pEnd; p++)
sl@0: 		{
sl@0: 		TInt byte1 = *p;
sl@0: 		TInt byte2 = 0;
sl@0: 		for(TInt j = 0; j < 8; j++)
sl@0: 			{
sl@0: 			byte2 = byte2 << 1;
sl@0: 			byte2 = byte2 | (byte1 & 1);
sl@0: 			byte1 = byte1 >> 1;
sl@0: 			}
sl@0: 		*p = (TUint8)~byte2;
sl@0: 		}
sl@0: 	return datainscanline;	// returns ETrue if there are non-blank bytes in scanline
sl@0:   }
sl@0: 
sl@0: CCanonControl::CCanonControl(CPdrDevice* aPdrDevice, CPrinterPort* aPrinterPort):
sl@0: 	CFbsDrvControl(aPdrDevice, aPrinterPort)
sl@0: 	{
sl@0: 	__DECLARE_NAME(_S("CCanonControl"));
sl@0: 	}
sl@0: