diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/banddev.h --- a/epoc32/include/banddev.h Tue Nov 24 13:55:44 2009 +0000 +++ b/epoc32/include/banddev.h Tue Mar 16 16:12:26 2010 +0000 @@ -1,1 +1,89 @@ -banddev.h +// 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members +// which accompanies this distribution, and is available +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#ifndef BANDDEV_H +#define BANDDEV_H + +#include +#include + +class CFbsBitmapDevice; +class CFbsBitGc; + +/** +@internalTechnology +*/ +enum TBandingDirection + { + EBandingTopToBottom, + EBandingBottomToTop, + EBandingLeftToRight, + EBandingRightToLeft + }; + +/** + @publishedAll + @released + */ +class CBandedDevice : public CGraphicsDevice + { +public: + IMPORT_C ~CBandedDevice(); + IMPORT_C static CBandedDevice* NewL(TRect aRectInPixels, TSize aKPixelSizeInTwips, TDisplayMode aDisplayMode, TBandingDirection aBandingDirection = EBandingTopToBottom, TInt aScanLinesPerBand = 0); + + IMPORT_C TInt HorizontalTwipsToPixels(TInt aTwips) const; + IMPORT_C TInt VerticalTwipsToPixels(TInt aTwips) const; + IMPORT_C TInt HorizontalPixelsToTwips(TInt aPixels) const; + IMPORT_C TInt VerticalPixelsToTwips(TInt aPixels) const; + IMPORT_C virtual TInt GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec); + IMPORT_C virtual TInt GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec); + IMPORT_C virtual TInt GetNearestFontToMaxHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight); + IMPORT_C void ReleaseFont(CFont* aFont); + + IMPORT_C TDisplayMode DisplayMode() const; + IMPORT_C TSize SizeInPixels() const; + IMPORT_C TSize SizeInTwips() const; + IMPORT_C TInt CreateContext(CGraphicsContext*& aGC); + IMPORT_C TInt NumTypefaces() const; + IMPORT_C void TypefaceSupport(TTypefaceSupport& aTypefaceSupport, TInt aTypefaceIndex) const; + IMPORT_C TInt FontHeightInTwips(TInt aTypefaceIndex, TInt aHeightIndex) const; + IMPORT_C void PaletteAttributes(TBool& aModifiable, TInt& aNumEntries) const; + IMPORT_C void SetPalette(CPalette* aPalette); + IMPORT_C TInt GetPalette(CPalette*& aPalette) const; + + IMPORT_C TInt NumBands() const; + IMPORT_C TInt NextBand(); + IMPORT_C TRect BandRect() const; + IMPORT_C TPoint FullOriginToBandOrigin(const TPoint& aPoint) const; + IMPORT_C void Reset(); + + inline TBandingDirection BandingDirection() const {return iBandingDirection;} + inline CFbsBitmap* BandBitmap() const {return iBandBitmap;} + +private: + CBandedDevice(TRect aRectInPixels, TBandingDirection aBandingDirection, TInt aScanLinesPerBand); + void ConstructL(TDisplayMode aDisplayMode, TSize aKPixelSizeInTwips); + +private: + TRect iFullRectInPixels; + TInt iScanLinesPerBand; + TInt iBandIndex; + CFbsBitmap* iBandBitmap; + CFbsBitmapDevice* iBandBitmapDevice; + CFbsBitGc* iClearGc; + TBandingDirection iBandingDirection; + }; + +#endif