os/graphics/printingservices/printerdriversupport/inc/BANDDEV.H
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/printingservices/printerdriversupport/inc/BANDDEV.H	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,89 @@
     1.4 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef BANDDEV_H
    1.20 +#define BANDDEV_H
    1.21 +
    1.22 +#include <e32std.h>
    1.23 +#include <gdi.h>
    1.24 +
    1.25 +class CFbsBitmapDevice;
    1.26 +class CFbsBitGc;
    1.27 +
    1.28 +/**
    1.29 + @publishedAll
    1.30 +*/
    1.31 +enum TBandingDirection
    1.32 +	{
    1.33 +	EBandingTopToBottom,
    1.34 +	EBandingBottomToTop,
    1.35 +	EBandingLeftToRight,
    1.36 +	EBandingRightToLeft
    1.37 +	};
    1.38 +
    1.39 +/**
    1.40 + @publishedAll
    1.41 + @released 
    1.42 + */
    1.43 +class CBandedDevice : public CGraphicsDevice
    1.44 +	{
    1.45 +public:
    1.46 +	IMPORT_C ~CBandedDevice();
    1.47 +	IMPORT_C static CBandedDevice* NewL(TRect aRectInPixels, TSize aKPixelSizeInTwips, TDisplayMode aDisplayMode, TBandingDirection aBandingDirection = EBandingTopToBottom, TInt aScanLinesPerBand = 0);
    1.48 +
    1.49 +	IMPORT_C TInt HorizontalTwipsToPixels(TInt aTwips) const;
    1.50 +	IMPORT_C TInt VerticalTwipsToPixels(TInt aTwips) const;
    1.51 +	IMPORT_C TInt HorizontalPixelsToTwips(TInt aPixels) const;
    1.52 +	IMPORT_C TInt VerticalPixelsToTwips(TInt aPixels) const;
    1.53 +	IMPORT_C virtual TInt GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec);
    1.54 +	IMPORT_C virtual TInt GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec);
    1.55 +	IMPORT_C virtual TInt GetNearestFontToMaxHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
    1.56 +	IMPORT_C void ReleaseFont(CFont* aFont);
    1.57 +
    1.58 +	IMPORT_C TDisplayMode DisplayMode() const;
    1.59 +	IMPORT_C TSize SizeInPixels() const;
    1.60 +	IMPORT_C TSize SizeInTwips() const;
    1.61 +	IMPORT_C TInt CreateContext(CGraphicsContext*& aGC);
    1.62 +	IMPORT_C TInt NumTypefaces() const;
    1.63 +	IMPORT_C void TypefaceSupport(TTypefaceSupport& aTypefaceSupport, TInt aTypefaceIndex) const;
    1.64 +	IMPORT_C TInt FontHeightInTwips(TInt aTypefaceIndex, TInt aHeightIndex) const;
    1.65 +	IMPORT_C void PaletteAttributes(TBool& aModifiable, TInt& aNumEntries) const;
    1.66 +	IMPORT_C void SetPalette(CPalette* aPalette);
    1.67 +	IMPORT_C TInt GetPalette(CPalette*& aPalette) const;
    1.68 +
    1.69 +	IMPORT_C TInt NumBands() const;
    1.70 +	IMPORT_C TInt NextBand();
    1.71 +	IMPORT_C TRect BandRect() const;
    1.72 +	IMPORT_C TPoint FullOriginToBandOrigin(const TPoint& aPoint) const;
    1.73 +	IMPORT_C void Reset();
    1.74 +
    1.75 +	inline TBandingDirection BandingDirection() const {return iBandingDirection;}
    1.76 +	inline CFbsBitmap* BandBitmap() const {return iBandBitmap;}
    1.77 +
    1.78 +private:
    1.79 +	CBandedDevice(TRect aRectInPixels, TBandingDirection aBandingDirection, TInt aScanLinesPerBand);
    1.80 +	void ConstructL(TDisplayMode aDisplayMode, TSize aKPixelSizeInTwips);
    1.81 +
    1.82 +private:
    1.83 +	TRect iFullRectInPixels;
    1.84 +	TInt iScanLinesPerBand;
    1.85 +	TInt iBandIndex;
    1.86 +	CFbsBitmap* iBandBitmap;
    1.87 +	CFbsBitmapDevice* iBandBitmapDevice;
    1.88 +	CFbsBitGc* iClearGc;
    1.89 +	TBandingDirection iBandingDirection;
    1.90 +	};
    1.91 +
    1.92 +#endif