sl@0: /*
sl@0: * Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __FNTSTD_H__
sl@0: #define __FNTSTD_H__
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <graphics/shapeimpl.h>
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: enum TFntStorePanic
sl@0: 	{
sl@0: 	EFntTypefaceIndexOutOfRange,
sl@0: 	EFntHeightIndexOutOfRange,
sl@0: 	EFntNoTypefaces,
sl@0: 	EFntNoTypefaceFontBitmaps,
sl@0: 	EFntTypefaceHasNoFontBitmaps,
sl@0: 	EFntFontBitmapNotLoaded,
sl@0: 	EFntFontAccessCountNonZero,
sl@0: 	EFntFontStoreFileInUse,
sl@0: 	EFntKPixelHeightInTwipsZero,
sl@0: 	EFntSessionCacheIndexOutOfRange,
sl@0: 	EFntMetricsIndexOutOfBounds,
sl@0: 	EFntNoFontFound,
sl@0: 	EFntRemovingAlreadyDeletedLinkedFont,
sl@0: 	EFntOverFlow,
sl@0: 	EFntMetricsNotOnHeap,
sl@0: 	EFntPointerNotByteAligned,
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: GLREF_C void Panic(TFntStorePanic aPanic);
sl@0: 
sl@0: // COpenFontSessionCacheList is placed here rather than openfont.cpp because it is used in fntstore.cpp as well.
sl@0: 
sl@0: class COpenFontSessionCache;
sl@0: class COpenFont;
sl@0: 
sl@0: class COpenFontSessionCacheList
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	inline COpenFontSessionCacheList();
sl@0: 	TInt AddCache(COpenFontSessionCache* aCache);
sl@0: 	COpenFontSessionCache* FindCache(TInt aSessionHandle) const;
sl@0: 	void Delete(RHeap* aHeap);
sl@0: 	void DeleteCache(RHeap* aHeap,TInt aSessionHandle);
sl@0: 	void DeleteFontGlyphs(RHeap* aHeap,const COpenFont* aFont);
sl@0: private:
sl@0: 	enum { EMaxNumCaches = 256 };
sl@0: private:
sl@0: 	TInt iSessionHandleArray[EMaxNumCaches];
sl@0: 	TInt iCacheOffsetArray[EMaxNumCaches];
sl@0: 	};
sl@0: 
sl@0: inline COpenFontSessionCacheList::COpenFontSessionCacheList()
sl@0: 	{
sl@0: 	Mem::FillZ(this, sizeof(COpenFontSessionCacheList));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: #ifdef __GCC32__
sl@0: #define PACKED_STRUCTURE_PREFIX
sl@0: #define PACKED_STRUCTURE_SUFFIX __attribute__(( __packed__))
sl@0: #elif defined(__ARMCC__)
sl@0: #define PACKED_STRUCTURE_PREFIX __packed
sl@0: #define PACKED_STRUCTURE_SUFFIX
sl@0: #else
sl@0: #define PACKED_STRUCTURE_PREFIX
sl@0: #define PACKED_STRUCTURE_SUFFIX
sl@0: #endif
sl@0: 
sl@0: PACKED_STRUCTURE_PREFIX class TBitmapFontCharacterOffset
sl@0: /**
sl@0: Class to store an offset to the given position of a characters binary data in the 
sl@0: bitmap section of the font file.
sl@0: @internalComponent
sl@0: */
sl@0: 
sl@0: 	{
sl@0: public:
sl@0: 	TBitmapFontCharacterOffset();
sl@0: 	void InternalizeL(RReadStream& aStream);
sl@0: public:
sl@0: 	TUint16 iBitmapOffset;  // restricts bitmap to 64k
sl@0: 	} PACKED_STRUCTURE_SUFFIX;
sl@0: 
sl@0: PACKED_STRUCTURE_PREFIX class TBitmapFontCharacterMetrics
sl@0: /**
sl@0: Character metrics stored in .GDR files.
sl@0: 
sl@0: This structure cannot be changed without changing the format of bitmap font
sl@0: files (.GDR files). This is because a pointer to TBitmapFontCharacterMetrics is made to point
sl@0: to part of the .GDR file in ROM.
sl@0: @internalComponent
sl@0: */
sl@0: 
sl@0: 	{
sl@0: 	public:
sl@0: 	TBitmapFontCharacterMetrics();
sl@0: 	void InternalizeL(RReadStream& aStream);
sl@0: 
sl@0: 	TInt8 iAscentInPixels;
sl@0: 	TInt8 iHeightInPixels;
sl@0: 	TInt8 iLeftAdjustInPixels;
sl@0: 	TInt8 iMoveInPixels;
sl@0: 	TInt8 iRightAdjustInPixels;
sl@0: 	} PACKED_STRUCTURE_SUFFIX;
sl@0: 
sl@0: #endif