akfrac.h
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/* Webcamoid, webcam capture application.
* Copyright (C) 2016 Gonzalo Exequiel Pedone
*
* Webcamoid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Webcamoid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Webcamoid. If not, see <http://www.gnu.org/licenses/>.
*
* Web-Site: http://webcamoid.github.io/
*/
#ifndef AKFRAC_H
#define AKFRAC_H
#include <QObject>
#include "akcommons.h"
class AkFracPrivate;
class QDataStream;
class AKCOMMONS_EXPORT AkFrac: public QObject
{
Q_OBJECT
Q_PROPERTY(qint64 num
READ num
WRITE setNum
RESET resetNum
NOTIFY numChanged)
Q_PROPERTY(qint64 den
READ den
WRITE setDen
RESET resetDen
NOTIFY denChanged)
Q_PROPERTY(bool isValid
READ isValid
NOTIFY isValidChanged)
Q_PROPERTY(bool isNull
READ isNull
NOTIFY isNullChanged)
Q_PROPERTY(qreal value
READ value
NOTIFY valueChanged)
Q_PROPERTY(QString string
READ toString
NOTIFY stringChanged)
public:
AkFrac(QObject *parent=nullptr);
AkFrac(qint64 num, qint64 den);
AkFrac(const QString &fracString);
AkFrac(const AkFrac &other);
virtual ~AkFrac();
AkFrac &operator =(const AkFrac &other);
bool operator ==(const AkFrac &other) const;
bool operator !=(const AkFrac &other) const;
operator bool() const;
operator QString() const;
Q_INVOKABLE static QObject *create();
Q_INVOKABLE static QObject *create(qint64 num, qint64 den);
Q_INVOKABLE static QObject *create(const QString &frac);
Q_INVOKABLE static QObject *create(const AkFrac &frac);
Q_INVOKABLE static QVariant createVariant(qint64 num, qint64 den);
Q_INVOKABLE QVariant toVariant() const;
Q_INVOKABLE qint64 num() const;
Q_INVOKABLE qint64 den() const;
Q_INVOKABLE qreal value() const;
Q_INVOKABLE qint64 fastValue() const;
Q_INVOKABLE bool isValid() const;
Q_INVOKABLE bool isNull() const;
Q_INVOKABLE QString toString() const;
Q_INVOKABLE AkFrac invert() const;
private:
AkFracPrivate *d;
Q_SIGNALS:
void numChanged(qint64 num);
void denChanged(qint64 den);
void isValidChanged(bool valid);
void isNullChanged(bool nullValue);
void valueChanged(qreal value);
void stringChanged(const QString &string);
public Q_SLOTS:
void setNumDen(qint64 num, qint64 den);
void setNumDen(const QString &fracString);
void setNum(qint64 num);
void setDen(qint64 den);
void resetNum();
void resetDen();
static void registerTypes();
};
AKCOMMONS_EXPORT QDebug operator <<(QDebug debug, const AkFrac &frac);
AKCOMMONS_EXPORT QDataStream &operator >>(QDataStream &istream, AkFrac &frac);
AKCOMMONS_EXPORT QDataStream &operator <<(QDataStream &ostream, const AkFrac &frac);
AKCOMMONS_EXPORT AkFrac operator *(int number, const AkFrac &frac);
AKCOMMONS_EXPORT AkFrac operator *(qreal number, const AkFrac &frac);
AKCOMMONS_EXPORT AkFrac operator *(const AkFrac &frac1, const AkFrac &frac2);
AKCOMMONS_EXPORT AkFrac operator /(int number, const AkFrac &frac);
AKCOMMONS_EXPORT AkFrac operator /(const AkFrac &fracNum, const AkFrac &fracDen);
AKCOMMONS_EXPORT AkFrac operator +(const AkFrac &frac1, const AkFrac &frac2);
AKCOMMONS_EXPORT AkFrac operator -(const AkFrac &frac1, const AkFrac &frac2);
AKCOMMONS_EXPORT bool operator <(const AkFrac &frac1, const AkFrac &frac2);
AKCOMMONS_EXPORT bool operator >(const AkFrac &frac1, const AkFrac &frac2);
AKCOMMONS_EXPORT bool operator <=(const AkFrac &frac1, const AkFrac &frac2);
AKCOMMONS_EXPORT bool operator >=(const AkFrac &frac1, const AkFrac &frac2);
Q_DECLARE_METATYPE(AkFrac)
#endif // AKFRAC_H