source: trunk/src/gui/painting/qfixed_p.h@ 574

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#ifndef QFIXED_P_H
#define QFIXED_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qdebug.h"
#include "QtCore/qpoint.h"
#include "QtCore/qsize.h"

QT_BEGIN_NAMESPACE

struct QFixed {
public:
    QFixed() : val(0) {}
    QFixed(int i) : val(i<<6) {}
    QFixed(long i) : val(i<<6) {}
    QFixed &operator=(int i) { val = (i<<6); return *this; }
    QFixed &operator=(long i) { val = (i<<6); return *this; }

    static QFixed fromReal(qreal r) { QFixed f; f.val = (int)(r*qreal(64)); return f; }
    static QFixed fromFixed(int fixed) { QFixed f; f.val = fixed; return f; }

    inline int value() const { return val; }
    inline void setValue(int value) { val = value; }

    inline int toInt() const { return (((val)+32) & -64)>>6; }
    inline qreal toReal() const { return ((qreal)val)/(qreal)64; }

    inline int truncate() const { return val>>6; }
    inline QFixed round() const { QFixed f; f.val = ((val)+32) & -64; return f; }
    inline QFixed floor() const { QFixed f; f.val = (val) & -64; return f; }
    inline QFixed ceil() const { QFixed f; f.val = (val+63) & -64; return f; }