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// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __BITDEV_H__
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#define __BITDEV_H__
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#include <fbs.h>
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#include <bitbase.h>
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#include <bitstd.h>
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#include <graphicsaccelerator.h>
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class CFbsDrawDevice;
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class TSurfaceId;
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/** Screen device orientations.
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WARNING: Enumeration for internal use ONLY. Compatibility is not guaranteed in future releases.
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@publishedAll
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@released
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*/
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enum TDeviceOrientation
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{
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EDeviceOrientationNormal = 1,
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EDeviceOrientation90CW = 2,
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EDeviceOrientation180 = 4,
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EDeviceOrientation270CW = 8
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};
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/** Abstract base class for graphics devices to which bitmaps and fonts can be
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drawn.
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The class implements the pure virtual CBitmapDevice functions and additionally
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provides:
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support for creating and enquiring about fonts
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comparing two device rectangles
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creating a graphics context for the device.
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CFbsBitmapDevice and CFbsScreenDevice are derived fom this class.
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@see CFbsBitmapDevice
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@see CFbsScreenDevice
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@publishedAll
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@released
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*/
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class CFbsDevice : public CBitmapDevice
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{
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friend class CFbsBitGc;
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public:
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IMPORT_C ~CFbsDevice();
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IMPORT_C TInt CreateContext(CFbsBitGc*& aGc);
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inline TInt CreateContext(CGraphicsContext*& aGc);
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IMPORT_C TDisplayMode DisplayMode() const;
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IMPORT_C TSize SizeInPixels() const;
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IMPORT_C TBool RectCompare(const TRect& aSourceRect,const CFbsDevice& aDevice,const TRect& aDeviceRect) const;
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IMPORT_C TInt AddFile(const TDesC& aName,TInt& aId);
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IMPORT_C void RemoveFile(TInt aId=0);
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IMPORT_C virtual TInt GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec);
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IMPORT_C virtual TInt GetNearestFontInPixels(CFont*& aFont, const TFontSpec& aFontSpec);
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IMPORT_C virtual TInt GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec);
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IMPORT_C virtual TInt GetNearestFontToDesignHeightInPixels(CFont*& aFont, const TFontSpec& aFontSpec);
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IMPORT_C virtual TInt GetNearestFontToMaxHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
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IMPORT_C virtual TInt GetNearestFontToMaxHeightInPixels(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
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IMPORT_C TInt GetFontById(CFont*& aFont,TUid aFileId,const TAlgStyle& aStyle);
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inline TInt GetNearestFontInTwips(CFbsFont*& aFont, const TFontSpec& aFontSpec);
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inline TInt GetNearestFontInPixels(CFbsFont*& aFont, const TFontSpec& aFontSpec);
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inline TInt GetNearestFontToDesignHeightInTwips(CFbsFont*& aFont, const TFontSpec& aFontSpec);
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inline TInt GetNearestFontToDesignHeightInPixels(CFbsFont*& aFont, const TFontSpec& aFontSpec);
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inline TInt GetNearestFontToMaxHeightInTwips(CFbsFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
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inline TInt GetNearestFontToMaxHeightInPixels(CFbsFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
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inline TInt GetFontById(CFbsFont*& aFont,TUid aFileId,const TAlgStyle& aStyle);
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IMPORT_C void ReleaseFont(CFont* aFont);
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IMPORT_C TInt FontHeightInTwips(TInt aTypefaceIndex,TInt aHeightIndex) const;
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IMPORT_C TInt FontHeightInPixels(TInt aTypefaceIndex,TInt aHeightIndex) const;
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IMPORT_C TInt NumTypefaces() const;
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IMPORT_C void TypefaceSupport(TTypefaceSupport& aTypefaceSupport,TInt aTypefaceIndex) const;
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IMPORT_C TInt SetCustomPalette(const CPalette* aPalette);
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inline CGraphicsAccelerator* GraphicsAccelerator() const;
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inline CFbsBitGc::TGraphicsOrientation Orientation() const;
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IMPORT_C static TDisplayMode DisplayMode16M();
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IMPORT_C TInt SetScalingFactor(const TPoint& aOrigin,
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TInt aFactorX, TInt aFactorY,
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TInt aDivisorX, TInt aDivisorY);
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IMPORT_C void GetDrawRect(TRect& aRect) const;
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IMPORT_C TInt RegisterLinkedTypeface(const CLinkedTypefaceSpecification& aLinkedTypefaceSpec, TInt& aId);
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IMPORT_C TInt SetDrawDeviceOffset(const TPoint& aOrigin);
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protected:
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CFbsDevice();
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virtual void DrawingBegin(TBool /*aAlways*/ = EFalse) {}
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virtual void DrawingEnd(TBool /*aAlways*/ = EFalse) {}
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/**
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Sets the bit level.
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*/
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virtual void SetBits() {}
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/**
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This method has been deprecated. Sprites are no longer supported in BitGDI.
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Calling this method has no effect.
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@deprecated
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*/
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virtual void CancelSprite() const {}
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/**
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This method has been deprecated. Sprites are no longer supported in BitGDI.
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Calling this method has no effect.
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@return TSpriteBase* NULL.
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@deprecated
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*/
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virtual TSpriteBase* HideSprite() const {return(NULL);}
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/**
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This method has been deprecated. Sprites are no longer supported in BitGDI.
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Calling this method has no effect.
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@param aRect Ignored.
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@param aClippingRegion Ignored.
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@return TSpriteBase* NULL.
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@deprecated
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*/
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virtual TSpriteBase* HideSprite(const TRect&,const TRegion*) const {return(NULL);}
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/**
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This method has been deprecated. Sprites are no longer supported in BitGDI.
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Calling this method has no effect.
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@param aSprite Ignored.
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@deprecated
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*/
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virtual void ShowSprite(TSpriteBase*) const {}
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/**
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This method has been deprecated. Sprites are no longer supported in BitGDI.
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Calling this method has no effect.
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@param aSprite Ignored.
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@param aRect Ignored.
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@param aClippingRegion Ignored.
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@deprecated
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*/
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virtual void ShowSprite(TSpriteBase*,const TRect&,const TRegion*) const {}
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TInt GetNearestFbsFont(CFbsFont*& aFont,const TFontSpec& aFontSpec);
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void DoGetScanLine(TDes8& aBuf,const TPoint& aPixel,TInt aLength,TDisplayMode aDispMode);
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void ReadLineDiffMode(TInt,TInt,TInt,TAny*,TDisplayMode) const;
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void TruncateRect(TRect& aRect);
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TBool SetOrientation(CFbsBitGc::TGraphicsOrientation aOrientation);
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void DrawingBegin(const CFbsBitmap* aBitmap, TBool aAlways = EFalse);
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void DrawingEnd(const CFbsBitmap* aBitmap, TBool aAlways = EFalse);
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protected:
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CFbsDrawDevice* iDrawDevice;
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RFbsSession* iFbs;
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CFbsTypefaceStore* iTypefaceStore;
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TInt iSpare;
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TBool iScreenDevice;
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TUint8* iBitBltMaskedBuffer;
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CGraphicsAccelerator* iGraphicsAccelerator;
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CFbsBitGc::TGraphicsOrientation iOrientation;
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};
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/** A graphics device interface that provides direct access to the screen, without
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the mediation of the window server.
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@publishedAll
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@released
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*/
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class CFbsScreenDevice : public CFbsDevice
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{
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public:
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IMPORT_C static CFbsScreenDevice* NewL(const TDesC& aLibname,TDisplayMode aDispMode);
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IMPORT_C static CFbsScreenDevice* NewL(const TDesC& aLibname,TDisplayMode aDispMode, TRgb aWhite);
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IMPORT_C static CFbsScreenDevice* NewL(TInt aScreenNo, TDisplayMode aDispMode);
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IMPORT_C virtual ~CFbsScreenDevice();
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IMPORT_C void GetScanLine(TDes8& aBuf,const TPoint& aStartPixel,TInt aLength,TDisplayMode aDispMode) const;
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IMPORT_C void GetPixel(TRgb& aColor,const TPoint& aPixel) const;
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IMPORT_C TInt HorizontalPixelsToTwips(TInt aPixels) const;
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IMPORT_C TInt VerticalPixelsToTwips(TInt aPixels) const;
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IMPORT_C TInt HorizontalTwipsToPixels(TInt aTwips) const;
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IMPORT_C TInt VerticalTwipsToPixels(TInt aTwips) const;
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IMPORT_C void SetAutoUpdate(TBool aValue);
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IMPORT_C void DrawSpriteBegin(); //< @deprecated
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IMPORT_C void DrawSpriteEnd(); //< @deprecated
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IMPORT_C void CancelSprite() const; //< @deprecated
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IMPORT_C TSpriteBase* HideSprite() const; //< @deprecated
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IMPORT_C TSpriteBase* HideSprite(const TRect& aRect,const TRegion* aClippingRegion) const; //< @deprecated
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IMPORT_C void ShowSprite(TSpriteBase* aSprite) const; //< @deprecated
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IMPORT_C void ShowSprite(TSpriteBase* aSprite,const TRect& aRect,const TRegion* aClippingRegion) const; //< @deprecated
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IMPORT_C void ChangeScreenDevice(CFbsScreenDevice* aOldDevice);
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IMPORT_C void PaletteAttributes(TBool& aModifiable,TInt& aNumEntries) const;
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IMPORT_C void SetPalette(CPalette* aPalette);
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IMPORT_C TInt GetPalette(CPalette*& aPalette) const;
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IMPORT_C void Update();
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IMPORT_C void Update(const TRegion& aRegion);
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IMPORT_C TSize SizeInTwips() const;
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IMPORT_C RHardwareBitmap HardwareBitmap();
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IMPORT_C const TUint32* Bits() const;
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IMPORT_C TInt Stride() const;
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IMPORT_C TInt ScreenNo() const;
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IMPORT_C TUint DeviceOrientationsAvailable() const; /**< WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases. */
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IMPORT_C TBool SetDeviceOrientation(TDeviceOrientation aOrientation) const; /**< WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases. */
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IMPORT_C void GetSurface(TSurfaceId& aSurface) const; /**< WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases. */
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IMPORT_C TDeviceOrientation DeviceOrientation() const; /**< WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases. */
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private:
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CFbsScreenDevice(TInt aScreenNo);
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void ConstructL(TInt aScreenNo, TDisplayMode aDispMode);
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private:
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TInt iSpare1_CFbsScreenDevice;
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TInt iSpare2_CFbsScreenDevice;
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TInt iScreenNo;
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};
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/** A graphics device to which a bitmap managed by the font and bitmap server can
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be drawn.
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The class specialises the bitmap graphics device interface CBitmapDevice for
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drawing to in-memory bitmaps.
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@publishedAll
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@released
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*/
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class CFbsBitmapDevice : public CFbsDevice
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{
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public:
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IMPORT_C static CFbsBitmapDevice* NewL(CFbsBitmap* aFbsBitmap);
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IMPORT_C static CFbsBitmapDevice* NewL(CFbsBitmap* aFbsBitmap,const TDesC& aLibname);
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IMPORT_C virtual ~CFbsBitmapDevice();
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IMPORT_C TInt Resize(const TSize& aSize);
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IMPORT_C virtual void GetScanLine(TDes8& aBuf,const TPoint& aStartPixel,TInt aLength,TDisplayMode iDispMode) const;
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IMPORT_C virtual void GetPixel(TRgb& aColor,const TPoint& aPixel) const;
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IMPORT_C virtual TInt HorizontalPixelsToTwips(TInt aPixels) const;
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IMPORT_C virtual TInt VerticalPixelsToTwips(TInt aPixels) const;
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IMPORT_C virtual TInt HorizontalTwipsToPixels(TInt aTwips) const;
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IMPORT_C virtual TInt VerticalTwipsToPixels(TInt aTwips) const;
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IMPORT_C virtual TSize SizeInTwips() const;
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IMPORT_C virtual void PaletteAttributes(TBool& aModifiable,TInt& aNumEntries) const;
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IMPORT_C virtual void SetPalette(CPalette* aPalette);
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IMPORT_C virtual TInt GetPalette(CPalette*& aPalette) const;
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IMPORT_C virtual void DrawingBegin(TBool aAlways = EFalse);
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IMPORT_C virtual void DrawingEnd(TBool aAlways = EFalse);
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IMPORT_C TInt SwapWidthAndHeight();
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private:
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CFbsBitmapDevice();
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virtual void SetBits();
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void ConstructL(CFbsBitmap* aFbsBitmap);
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void ConstructL(CFbsBitmap* aFbsBitmap,const TDesC& aLibname);
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private:
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CFbsBitGcBitmap* iFbsBmp;
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};
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#include <bitdev.inl>
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#endif
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