--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/printingservices/printerdriversupport/src/BANDDEV.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,281 @@
+// 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 <bitdev.h>
+#include <bitstd.h>
+#include <banddev.h>
+
+const TInt KBandSizeInBytes=0x8000; // 32k
+
+EXPORT_C CBandedDevice::~CBandedDevice()
+	{
+	delete iClearGc;
+	iClearGc=NULL;
+	delete iBandBitmapDevice;
+	iBandBitmapDevice=NULL;
+	delete iBandBitmap;
+	iBandBitmap=NULL;
+	}
+
+EXPORT_C CBandedDevice* CBandedDevice::NewL(TRect aRectInPixels,TSize aKPixelSizeInTwips,TDisplayMode aDisplayMode,TBandingDirection aBandingDirection,TInt aScanLinesPerBand)
+	{
+	CBandedDevice* device=new(ELeave) CBandedDevice(aRectInPixels,aBandingDirection,aScanLinesPerBand);
+	CleanupStack::PushL(device);
+	device->ConstructL(aDisplayMode,aKPixelSizeInTwips);
+	CleanupStack::Pop();
+	return device;
+	}
+
+EXPORT_C TInt CBandedDevice::HorizontalTwipsToPixels(TInt aTwips) const
+	{
+	return iBandBitmapDevice->HorizontalTwipsToPixels(aTwips);
+	}
+
+EXPORT_C TInt CBandedDevice::VerticalTwipsToPixels(TInt aTwips) const
+	{
+	return iBandBitmapDevice->VerticalTwipsToPixels(aTwips);
+	}
+
+EXPORT_C TInt CBandedDevice::HorizontalPixelsToTwips(TInt aPixels) const
+	{
+	return iBandBitmapDevice->HorizontalPixelsToTwips(aPixels);
+	}
+
+EXPORT_C TInt CBandedDevice::VerticalPixelsToTwips(TInt aPixels) const
+	{
+	return iBandBitmapDevice->VerticalPixelsToTwips(aPixels);
+	}
+
+/** Creates a font from those available in the printer device's 
+typeface store that most closely matches a font specification. 
+
+When the font is no longer needed, call ReleaseFont().
+
+This function is replaced by GetNearestFontToDesignHeightInTwips()
+
+@param aFont On return, points to the font which most closely matches the 
+specified font.
+@param aFontSpec An absolute font specification. Its iHeight member is 
+interpreted as being in twips.
+@return KErrNone if successful; otherwise, another one of the system-wide error 
+codes.
+@deprecated */
+EXPORT_C TInt CBandedDevice::GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec)
+	{
+	return GetNearestFontToDesignHeightInTwips(aFont, aFontSpec);
+	}
+
+/** Creates a font from those available in the printer device's 
+typeface store that most closely matches a font specification. 
+
+When the font is no longer needed, call ReleaseFont().
+
+This function replaces GetNearestFontInTwips()
+
+@param aFont On return, points to the font which most closely matches the 
+specified font.
+@param aFontSpec An absolute font specification. Its iHeight member is 
+interpreted as being in twips.
+@return KErrNone if successful; otherwise, another one of the system-wide error 
+codes. */
+EXPORT_C TInt CBandedDevice::GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec)
+	{
+	return iBandBitmapDevice->GetNearestFontToDesignHeightInTwips(aFont, aFontSpec);
+	}
+
+/** This call is defined because it had to be - it appeared as an abstract virtual in
+the base class. But it should never actually get called for this class. */
+EXPORT_C TInt CBandedDevice::GetNearestFontToMaxHeightInTwips(CFont*& /*aFont*/, const TFontSpec& /*aFontSpec*/, TInt /*aMaxHeight*/)
+	{
+	return KErrNotSupported;
+	}
+
+EXPORT_C void CBandedDevice::ReleaseFont(CFont* aFont)
+	{
+	iBandBitmapDevice->ReleaseFont(aFont);
+	}
+
+EXPORT_C TDisplayMode CBandedDevice::DisplayMode() const
+	{
+	return iBandBitmapDevice->DisplayMode();
+	}
+
+EXPORT_C TSize CBandedDevice::SizeInPixels() const
+	{
+	return iFullRectInPixels.Size();
+	}
+
+EXPORT_C TSize CBandedDevice::SizeInTwips() const
+	{
+	TSize size=SizeInPixels();
+	size.iWidth=HorizontalPixelsToTwips(size.iWidth);
+	size.iHeight=VerticalPixelsToTwips(size.iHeight);
+	return size;
+	}
+
+EXPORT_C TInt CBandedDevice::CreateContext(CGraphicsContext*& aGC)
+	{
+	TInt ret=iBandBitmapDevice->CreateContext(aGC);
+	if (ret==KErrNone)
+		{
+		TPoint origin=FullOriginToBandOrigin(TPoint(0,0));
+		aGC->SetOrigin(origin);
+		}
+	return ret;
+	}
+
+EXPORT_C TInt CBandedDevice::NumTypefaces() const
+	{
+	return iBandBitmapDevice->NumTypefaces();
+	}
+
+EXPORT_C void CBandedDevice::TypefaceSupport(TTypefaceSupport& aTypefaceSupport,TInt aTypefaceIndex) const
+	{
+	iBandBitmapDevice->TypefaceSupport(aTypefaceSupport,aTypefaceIndex);
+	}
+
+EXPORT_C TInt CBandedDevice::FontHeightInTwips(TInt aTypefaceIndex,TInt aHeightIndex) const
+	{
+	return iBandBitmapDevice->FontHeightInTwips(aTypefaceIndex,aHeightIndex);
+	}
+
+EXPORT_C void CBandedDevice::PaletteAttributes(TBool& aModifiable,TInt& aNumEntries) const
+	{
+	iBandBitmapDevice->PaletteAttributes(aModifiable,aNumEntries);
+	}
+
+EXPORT_C void CBandedDevice::SetPalette(CPalette* aPalette)
+	{
+	iBandBitmapDevice->SetPalette(aPalette);
+	}
+
+EXPORT_C TInt CBandedDevice::GetPalette(CPalette*& aPalette) const
+	{
+	return iBandBitmapDevice->GetPalette(aPalette);
+	}
+
+EXPORT_C TInt CBandedDevice::NumBands() const
+	{
+	TInt numbands;
+	if ((iBandingDirection==EBandingTopToBottom) || (iBandingDirection==EBandingBottomToTop))
+		numbands = (iFullRectInPixels.Size().iHeight/iScanLinesPerBand)+1;
+	else
+		numbands = (iFullRectInPixels.Size().iWidth/iScanLinesPerBand)+1;
+	return numbands;
+	}
+
+EXPORT_C TInt CBandedDevice::NextBand()
+	{
+	iBandIndex++;
+	if (iBandIndex==NumBands())
+		iBandIndex=0;
+	iClearGc->Clear();
+	return iBandIndex;
+	}
+
+EXPORT_C TRect CBandedDevice::BandRect() const
+	{
+	TRect bandrect;
+	if (iBandingDirection==EBandingTopToBottom)
+		{
+		bandrect.iTl.iX=iFullRectInPixels.iTl.iX;
+		bandrect.iTl.iY=iFullRectInPixels.iTl.iY+(iBandIndex*iScanLinesPerBand);
+		bandrect.iBr.iX=iFullRectInPixels.iBr.iX;
+		bandrect.iBr.iY=bandrect.iTl.iY+iScanLinesPerBand;
+		if (bandrect.iBr.iY>iFullRectInPixels.iBr.iY)
+			bandrect.iBr.iY=iFullRectInPixels.iBr.iY;
+		}
+	else if (iBandingDirection==EBandingBottomToTop)
+		{
+		bandrect.iBr.iX=iFullRectInPixels.iBr.iX;
+		bandrect.iBr.iY=iFullRectInPixels.iBr.iY-(iBandIndex*iScanLinesPerBand);
+		bandrect.iTl.iX=iFullRectInPixels.iTl.iX;
+		bandrect.iTl.iY=bandrect.iBr.iY-iScanLinesPerBand;
+		if (bandrect.iTl.iY<iFullRectInPixels.iTl.iY)
+			bandrect.iTl.iY=iFullRectInPixels.iTl.iY;
+		}
+	else if (iBandingDirection==EBandingLeftToRight)
+		{
+		bandrect.iTl.iX=iFullRectInPixels.iTl.iX+(iBandIndex*iScanLinesPerBand);
+		bandrect.iTl.iY=iFullRectInPixels.iTl.iY;
+		bandrect.iBr.iX=bandrect.iTl.iX+iScanLinesPerBand;
+		bandrect.iBr.iY=iFullRectInPixels.iBr.iY;
+		if (bandrect.iBr.iX>iFullRectInPixels.iBr.iX)
+			bandrect.iBr.iX=iFullRectInPixels.iBr.iX;
+		}
+	else if (iBandingDirection==EBandingRightToLeft)
+		{
+		bandrect.iBr.iX=iFullRectInPixels.iBr.iX-(iBandIndex*iScanLinesPerBand);
+		bandrect.iBr.iY=iFullRectInPixels.iBr.iY;
+		bandrect.iTl.iX=bandrect.iBr.iX-iScanLinesPerBand;
+		bandrect.iTl.iY=iFullRectInPixels.iTl.iY;
+		if (bandrect.iTl.iX<iFullRectInPixels.iTl.iX)
+			bandrect.iTl.iX=iFullRectInPixels.iTl.iX;
+		}
+	return bandrect;
+	}
+
+EXPORT_C TPoint CBandedDevice::FullOriginToBandOrigin(const TPoint& aPoint) const
+	{
+	TRect rect=BandRect();
+	return aPoint-rect.iTl;
+	}
+
+EXPORT_C void CBandedDevice::Reset()
+	{
+	iBandIndex=-1;
+	}
+
+CBandedDevice::CBandedDevice(TRect aRectInPixels,TBandingDirection aBandingDirection,TInt aScanLinesPerBand):
+	iFullRectInPixels(aRectInPixels),
+	iScanLinesPerBand(aScanLinesPerBand),
+	iBandIndex(-1),
+	iBandBitmap(NULL),
+	iBandBitmapDevice(NULL),
+	iBandingDirection(aBandingDirection)
+	{
+	}
+
+void CBandedDevice::ConstructL(TDisplayMode aDisplayMode,TSize aKPixelSizeInTwips)
+	{
+	iBandBitmap=new(ELeave)	CFbsBitmap;
+	if ((iBandingDirection==EBandingTopToBottom) || (iBandingDirection==EBandingBottomToTop))
+		{
+		TInt widthinpixels=iFullRectInPixels.Size().iWidth;
+		if (!iScanLinesPerBand)
+			iScanLinesPerBand=KBandSizeInBytes/(CFbsBitmap::ScanLineLength(widthinpixels,aDisplayMode));
+		iScanLinesPerBand&=~1;
+		User::LeaveIfError(iBandBitmap->Create(TSize(widthinpixels,iScanLinesPerBand),aDisplayMode));
+		TSize sizeintwips;
+		sizeintwips.iWidth=(aKPixelSizeInTwips.iWidth*widthinpixels)/1000;
+		sizeintwips.iHeight=(aKPixelSizeInTwips.iHeight*iScanLinesPerBand)/1000;
+		iBandBitmap->SetSizeInTwips(sizeintwips);
+		}
+	else
+		{
+		TInt heightinpixels=iFullRectInPixels.Size().iHeight;
+		if (!iScanLinesPerBand)
+			iScanLinesPerBand=KBandSizeInBytes/(CFbsBitmap::ScanLineLength(heightinpixels,aDisplayMode));
+		iScanLinesPerBand&=~1;
+		User::LeaveIfError(iBandBitmap->Create(TSize(iScanLinesPerBand,heightinpixels),aDisplayMode));
+		TSize sizeintwips;
+		sizeintwips.iWidth=(aKPixelSizeInTwips.iWidth*iScanLinesPerBand)/1000;
+		sizeintwips.iHeight=(aKPixelSizeInTwips.iHeight*heightinpixels)/1000;
+		iBandBitmap->SetSizeInTwips(sizeintwips);
+		}
+	iBandBitmapDevice=CFbsBitmapDevice::NewL(iBandBitmap);
+	User::LeaveIfError(iBandBitmapDevice->CreateContext((CGraphicsContext*&) iClearGc));
+	}
+