Qt Toolkit - qfontmetrics.h include file

# qfontmetrics.h

This is the verbatim text of the qfontmetrics.h include file. It is is provided only for illustration; the copyright remains with Troll Tech.

    /****************************************************************************
    ** $Id: qfontmetrics.h,v 2.15.2.1 1998/08/19 16:02:29 agulbra Exp $
    **
    ** Definition of QFontMetrics class
    **
    ** Created : 940514
    **
    ** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
    **
    ** This file is part of Qt Free Edition, version 1.45.
    **
    ** See the file LICENSE included in the distribution for the usage
    ** and distribution terms, or http://www.troll.no/free-license.html.
    **
    ** IMPORTANT NOTE: You may NOT copy this file or any part of it into
    ** your own programs or libraries.
    **
    ** Please see http://www.troll.no/pricing.html for information about
    ** Qt Professional Edition, which is this same library but with a
    ** license which allows creation of commercial/proprietary software.
    **
    *****************************************************************************/

    #ifndef QFONTMETRICS_H
    #define QFONTMETRICS_H

    #ifndef QT_H
    #include "qfont.h"
    #include "qrect.h"
    #endif // QT_H

    class Q_EXPORT QFontMetrics
    {
    public:
        QFontMetrics( const QFont & );
        QFontMetrics( const QFontMetrics & );
       ~QFontMetrics();

        QFontMetrics &operator=( const QFontMetrics & );

        int         ascent()        const;
        int         descent()       const;
        int         height()        const;
        int         leading()       const;
        int         lineSpacing()   const;
        int         minLeftBearing() const;
        int         minRightBearing() const;
        int         maxWidth()      const;

        bool        inFont(char)    const;

        int         leftBearing(char) const;
        int         rightBearing(char) const;
        int         width( const char *, int len = -1 ) const;
        int         width( char ) const;
        QRect       boundingRect( const char *, int len = -1 ) const;
        QRect       boundingRect( char ) const;
        QRect       boundingRect( int x, int y, int w, int h, int flags,
                                  const char *str, int len=-1, int tabstops=0,
                                  int *tabarray=0, char **intern=0 ) const;
        QSize       size( int flags,
                          const char *str, int len=-1, int tabstops=0,
                          int *tabarray=0, char **intern=0 ) const;

        int         underlinePos()  const;
        int         strikeOutPos()  const;
        int         lineWidth()     const;

    #if 1   /* OBSOLETE */
        const QFont &font() const;
    #endif

    private:
        QFontMetrics( const QWidget * );
        QFontMetrics( const QPainter * );
        static void reset( const QWidget * );
        static void reset( const QPainter * );
        const QFontDef *spec() const;
    #if defined(_WS_WIN_)
        void *textMetric() const;
        HDC hdc() const;
    #elif defined(_WS_X11_)
        void *fontStruct() const;
        int printerAdjusted(int) const;
    #endif

        enum Type { FontInternal, Widget, Painter };
        union {
            int   flags;
            void *dummy;
        } t;
        union {
            QFontInternal *f;
            QWidget       *w;
            QPainter      *p;
        } u;

        int     type()           const { return t.flags & 0xff; }
        bool    underlineFlag()  const { return (t.flags & 0x100) != 0; }
        bool    strikeOutFlag()  const { return (t.flags & 0x200) != 0; }
        void    setUnderlineFlag()     { t.flags |= 0x100; }
        void    setStrikeOutFlag()     { t.flags |= 0x200; }

        friend class QWidget;
        friend class QPainter;
    };

    #endif // QFONTMETRICS_H