graphicstest/graphicstestharness/inc/graphicsfontutils.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 02 Sep 2010 21:50:40 +0300
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// Copyright (c) 2010 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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// Contains utility classes/functions which are
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// shared across multiple test steps.
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#ifndef GRAPHICSFONTUTILS_H
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#define GRAPHICSFONTUTILS_H
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#include <e32base.h>
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class CFontStore;
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class CFbsFont;
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class MOpenFontShapingExtension;
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class CBitmapFont;
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/**
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Helper class that converts a character code to a glyph code. 
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To do this requires calling into a font rasterizer from this
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process, therefore the rasterizer must be loaded in this 
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process - to do this it must create its own fontstore and load
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its own instance of a font rasterizer. This class performs 
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no shaping of characters.
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@note This class and/or its implementation should not be 
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    copied or used as refernce code - the proper implementation
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    would not create a new fontstore, but instead either parse the
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    font table of the associated font itself, or use the
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    FBS server-side fontstore. 
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 */
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class CCharCodeConverter : public CBase
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    {
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public:
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    IMPORT_C static CCharCodeConverter* NewL();
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    IMPORT_C static CCharCodeConverter* NewLC();
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    IMPORT_C ~CCharCodeConverter();    
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    IMPORT_C void UseFontL(CFbsFont* aFont);
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    IMPORT_C TInt GlyphCodeL(TInt aCharCode) const;
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private:
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    CCharCodeConverter();
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    void ConstructL();
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    void LoadOpenFontLibraries(CFontStore* aFontStore);    
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private:
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    CFontStore* iFontStore;
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    CBitmapFont* iFont;
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    MOpenFontShapingExtension* iGlyphIndexExt;
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    };
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#endif // GRAPHICSFONTUTILS_H