printingservices/printerdrivers/epson/EPSON.CPP
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/printingservices/printerdrivers/epson/EPSON.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,163 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+
+#include "EPSNSTD.H"
+
+#include <banddev.h>
+#include <fbs.h>
+#include "EPSON.H"
+#include "pdrtext.h"
+
+
+
+EXPORT_C CPrinterDevice* NewPrinterDeviceL()
+	{
+	CEpsonDevice* device = new(ELeave) CEpsonDevice;
+	return device;
+	}
+
+CEpsonDevice::CEpsonDevice():
+	CFbsDrvDevice()
+	{
+	__DECLARE_NAME(_S("CEpsonDevice"));
+	}
+
+CEpsonDevice::~CEpsonDevice()
+	{
+	}
+
+void CEpsonDevice::CreateControlL(CPrinterPort* aPrinterPort)
+	{
+	__ASSERT_ALWAYS(aPrinterPort, Panic(EEpsonRequiresPrinterPort));
+	__ASSERT_ALWAYS(!iControl, Panic(EEpsonControlAlreadyExists));
+	__ASSERT_DEBUG(iCurrentPageSpecInTwips.iPortraitPageSize.iWidth && iCurrentPageSpecInTwips.iPortraitPageSize.iHeight, Panic(EEpsonPageSpecNotSet));
+	iControl = CEpsonControl::NewL(this, aPrinterPort, *iStore, iModelInfo->iResourcesStreamId);
+	}
+
+CEpsonControl* CEpsonControl::NewL(CPdrDevice* aPdrDevice, CPrinterPort* aPrinterPort, CStreamStore& aStore, TStreamId aResourcesStreamId)
+	{
+	CEpsonControl* control=new(ELeave) CEpsonControl(aPdrDevice, aPrinterPort);
+	CleanupStack::PushL(control);
+	control->ConstructL(aStore, aResourcesStreamId);
+	CleanupStack::Pop();
+	return control;
+	}
+
+CEpsonControl::~CEpsonControl()
+	{
+	}
+
+void CEpsonControl::ConstructL(CStreamStore& aStore, TStreamId aResourcesStreamId)
+	{
+	if((iPdrDevice->CurrentPageSpecInTwips().iOrientation == TPageSpec::ELandscape)
+		&& (iPdrDevice->Flags() & EEpsonLandscapeNotAvailable))
+		User::Leave(KErrNotSupported);
+	CFbsDrvControl::ConstructL(aStore, aResourcesStreamId);
+	TRect rect = iPdrDevice->PrintablePageInPixels();
+	TSize size;
+	size.iWidth = iPdrDevice->HorizontalPixelsToTwips(1000);
+	size.iHeight = iPdrDevice->VerticalPixelsToTwips(1000);
+	iBandedDevice = CBandedDevice::NewL(rect, size, iPdrDevice->DisplayMode(), EBandingTopToBottom, KEpsonNumScanLinesPerBand);
+	iPageText = CPageText::NewL();
+	}
+
+void CEpsonControl::OutputBandL() 	
+	{
+	if(IsGraphicsBand())
+		{
+		TRect bandrect = iBandedDevice->BandRect();
+		TSize size = bandrect.Size();
+		TCommandString des;
+		TBool datainband = EFalse;
+		for(TInt i = 0; i < size.iWidth; i++)
+			{
+			iBandedDevice->BandBitmap()->GetVerticalScanLine(iScanLine, i, iPdrDevice->DisplayMode());
+			if(TransformBuffer() && !datainband)
+				{
+				MoveToL(bandrect.iTl + TPoint(i, 0));
+				des.Format(iResources->ResourceString(EPdrBitmapStart), size.iWidth - i);
+				iPageBuffer->AddBytesL(des);
+				datainband = ETrue;
+				}
+			if(datainband)
+				iPageBuffer->AddBytesL(iScanLine);
+			}
+		if(datainband)
+			{
+			iPageBuffer->AddBytesL(iResources->ResourceString(EPdrBitmapEnd));
+			iPosition.iX = iPdrDevice->OffsetInPixels().iX;
+			}
+		
+		TInt numentries = iPageText->NumEntries();
+		if(numentries)
+			{
+			CPageTextEntry* entry;
+			for(TInt y = bandrect.iTl.iY; y <= bandrect.iBr.iY; y++)
+				{
+				for(TInt index = 0; (index < numentries); index++)
+					{
+					entry = (*iPageText)[index];
+					TPoint drawPos = entry->iDrawPos - TPoint(0, 20);	// bodge to align pdr fonts with true types
+					if(drawPos.iY == y)
+						OutputTextL(drawPos, entry->iTextWidthInPixels, *(entry->iTextFormat), *(entry->iText));										 //!!
+					}
+				}
+			}
+		}
+	}
+
+void CEpsonControl::MoveToL(const TPoint& aPoint) 
+	{
+	TPoint vector = aPoint - iPosition;
+	for(; vector.iY > 255; )
+		{
+		MoveByL(TPoint(0, 255));
+		vector = aPoint - iPosition;
+		}
+	MoveByL(vector);		
+	}
+
+TBool CEpsonControl::TransformBuffer()
+	{
+	TUint8* pStart = (TUint8*)iScanLine.Ptr();
+	TUint8* pEnd = pStart + (KEpsonNumScanLinesPerBand >> 3);
+	TUint8* p;
+	for(p = pStart; (p < pEnd) && (*p == 0xFF); p++)
+		{
+		}
+	TBool datainscanline = (p < pEnd);
+	for(p = pStart; p<pEnd; p++)
+		{
+		TInt byte1 = *p;
+		TInt byte2 = 0;
+		for(TInt j = 0; j < 8; j++)
+			{
+			byte2 = byte2 << 1;
+			byte2 = byte2 | (byte1 & 1);
+			byte1 = byte1 >> 1;
+			}
+		*p = (TUint8)~byte2; 
+		}
+	return datainscanline;	// returns ETrue if there are non-blank bytes in scanline
+	}
+
+CEpsonControl::CEpsonControl(CPdrDevice* aPdrDevice, CPrinterPort* aPrinterPort):
+	CFbsDrvControl(aPdrDevice, aPrinterPort),
+	iScanLine()
+	{
+	__DECLARE_NAME(_S("CEpsonControl"));
+	}
+