KDChartTextPiece.h

/*
   KDChart - a multi-platform charting engine
   */
 
/****************************************************************************
 ** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KDChart library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KDChart licenses may use this file in
 ** accordance with the KDChart Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.klaralvdalens-datakonsult.se/?page=products for
 **   information about KDChart Commercial License Agreements.
 **
 ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
 ** licensing are not clear to you.
 **
 **********************************************************************/
#ifndef __KDCHARTTEXTPIECE_H__
#define __KDCHARTTEXTPIECE_H__
 
#include <tqstring.h>
#include <tqfont.h>
#include <tqregion.h>
#include <tqpalette.h>
#include <tqobject.h>
#include <kdchart_export.h>
 
class TQBrush;
class TQPainter;
class TQSimpleRichText;
class TQFontMetrics;
 
class KDCHART_EXPORT KDChartTextPiece :public TQObject
{
    TQ_OBJECT
  
 
    public:
        KDChartTextPiece();
        KDChartTextPiece( const TQString& text, const TQFont& font );
        KDChartTextPiece( TQPainter* painter, const TQString& text, const TQFont& font );
        virtual ~KDChartTextPiece();
        void deepCopy( const KDChartTextPiece* source );
 
 
        const KDChartTextPiece* clone() const;
 
    private:
        KDChartTextPiece( const KDChartTextPiece& ) : TQObject(0) {}
 
    public slots:
        virtual int width() const;
        virtual int height() const;
        virtual int fontLeading() const;
        virtual TQRect rect( TQPainter *p, const TQRect& clipRect) const;
        virtual void draw( TQPainter *p, int x, int y, const TQRect& clipRect,
                const TQColor& color, const TQBrush* paper = 0 ) const;
        virtual void draw( TQPainter *p, int x, int y, const TQRegion& clipRegion,
                const TQColor& color, const TQBrush* paper = 0 ) const;
 
        TQString text() const;
        TQFont font() const;
        bool isRichText() const;
        
 
    protected:
        bool _isRichText;
        TQSimpleRichText* _richText; // used when _isRichText == true
        TQString _text; // used when _isRichText == false
        TQFont _font; // used when _isRichText == false
        TQFontMetrics* _metrics;
        bool _dirtyMetrics;
};
 
#endif