?? qsize.h
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/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtCore module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file. Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QSIZE_H#define QSIZE_H#include <QtCore/qnamespace.h>QT_BEGIN_HEADERQT_MODULE(Core)class Q_CORE_EXPORT QSize{public: QSize(); QSize(int w, int h); bool isNull() const; bool isEmpty() const; bool isValid() const; int width() const; int height() const; void setWidth(int w); void setHeight(int h); void transpose(); void scale(int w, int h, Qt::AspectRatioMode mode); void scale(const QSize &s, Qt::AspectRatioMode mode); QSize expandedTo(const QSize &) const; QSize boundedTo(const QSize &) const; int &rwidth(); int &rheight(); QSize &operator+=(const QSize &); QSize &operator-=(const QSize &); QSize &operator*=(qreal c); QSize &operator/=(qreal c); friend inline bool operator==(const QSize &, const QSize &); friend inline bool operator!=(const QSize &, const QSize &); friend inline const QSize operator+(const QSize &, const QSize &); friend inline const QSize operator-(const QSize &, const QSize &); friend inline const QSize operator*(const QSize &, qreal); friend inline const QSize operator*(qreal, const QSize &); friend inline const QSize operator/(const QSize &, qreal);private: int wd; int ht;};Q_DECLARE_TYPEINFO(QSize, Q_MOVABLE_TYPE);/***************************************************************************** QSize stream functions *****************************************************************************/Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QSize &);Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QSize &);/***************************************************************************** QSize inline functions *****************************************************************************/inline QSize::QSize(){ wd = ht = -1; }inline QSize::QSize(int w, int h){ wd = w; ht = h; }inline bool QSize::isNull() const{ return wd==0 && ht==0; }inline bool QSize::isEmpty() const{ return wd<1 || ht<1; }inline bool QSize::isValid() const{ return wd>=0 && ht>=0; }inline int QSize::width() const{ return wd; }inline int QSize::height() const{ return ht; }inline void QSize::setWidth(int w){ wd = w; }inline void QSize::setHeight(int h){ ht = h; }inline void QSize::scale(int w, int h, Qt::AspectRatioMode mode){ scale(QSize(w, h), mode); }inline int &QSize::rwidth(){ return wd; }inline int &QSize::rheight(){ return ht; }inline QSize &QSize::operator+=(const QSize &s){ wd+=s.wd; ht+=s.ht; return *this; }inline QSize &QSize::operator-=(const QSize &s){ wd-=s.wd; ht-=s.ht; return *this; }inline QSize &QSize::operator*=(qreal c){ wd = qRound(wd*c); ht = qRound(ht*c); return *this; }inline bool operator==(const QSize &s1, const QSize &s2){ return s1.wd == s2.wd && s1.ht == s2.ht; }inline bool operator!=(const QSize &s1, const QSize &s2){ return s1.wd != s2.wd || s1.ht != s2.ht; }inline const QSize operator+(const QSize & s1, const QSize & s2){ return QSize(s1.wd+s2.wd, s1.ht+s2.ht); }inline const QSize operator-(const QSize &s1, const QSize &s2){ return QSize(s1.wd-s2.wd, s1.ht-s2.ht); }inline const QSize operator*(const QSize &s, qreal c){ return QSize(qRound(s.wd*c), qRound(s.ht*c)); }inline const QSize operator*(qreal c, const QSize &s){ return QSize(qRound(s.wd*c), qRound(s.ht*c)); }inline QSize &QSize::operator/=(qreal c){ Q_ASSERT(!qFuzzyCompare(c, 0)); wd = qRound(wd/c); ht = qRound(ht/c); return *this;}inline const QSize operator/(const QSize &s, qreal c){ Q_ASSERT(!qFuzzyCompare(c, 0)); return QSize(qRound(s.wd/c), qRound(s.ht/c));}inline QSize QSize::expandedTo(const QSize & otherSize) const{ return QSize(qMax(wd,otherSize.wd), qMax(ht,otherSize.ht));}inline QSize QSize::boundedTo(const QSize & otherSize) const{ return QSize(qMin(wd,otherSize.wd), qMin(ht,otherSize.ht));}#ifndef QT_NO_DEBUG_STREAMQ_CORE_EXPORT QDebug operator<<(QDebug, const QSize &);#endifclass Q_CORE_EXPORT QSizeF{public: QSizeF(); QSizeF(const QSize &sz); QSizeF(qreal w, qreal h); bool isNull() const; bool isEmpty() const; bool isValid() const; qreal width() const; qreal height() const; void setWidth(qreal w); void setHeight(qreal h); void transpose(); void scale(qreal w, qreal h, Qt::AspectRatioMode mode); void scale(const QSizeF &s, Qt::AspectRatioMode mode); QSizeF expandedTo(const QSizeF &) const; QSizeF boundedTo(const QSizeF &) const; qreal &rwidth(); qreal &rheight(); QSizeF &operator+=(const QSizeF &); QSizeF &operator-=(const QSizeF &); QSizeF &operator*=(qreal c); QSizeF &operator/=(qreal c); friend inline bool operator==(const QSizeF &, const QSizeF &); friend inline bool operator!=(const QSizeF &, const QSizeF &); friend inline const QSizeF operator+(const QSizeF &, const QSizeF &); friend inline const QSizeF operator-(const QSizeF &, const QSizeF &); friend inline const QSizeF operator*(const QSizeF &, qreal); friend inline const QSizeF operator*(qreal, const QSizeF &); friend inline const QSizeF operator/(const QSizeF &, qreal); inline QSize toSize() const;private: qreal wd; qreal ht;};Q_DECLARE_TYPEINFO(QSizeF, Q_MOVABLE_TYPE);/***************************************************************************** QSizeF stream functions *****************************************************************************/Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QSizeF &);Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QSizeF &);/***************************************************************************** QSizeF inline functions *****************************************************************************/inline QSizeF::QSizeF(){ wd = ht = -1.; }inline QSizeF::QSizeF(const QSize &sz) : wd(sz.width()), ht(sz.height()){}inline QSizeF::QSizeF(qreal w, qreal h){ wd = w; ht = h; }inline bool QSizeF::isNull() const{ return qIsNull(wd) && qIsNull(ht); }inline bool QSizeF::isEmpty() const{ return wd <= 0. || ht <= 0.; }inline bool QSizeF::isValid() const{ return wd >= 0. && ht >= 0.; }inline qreal QSizeF::width() const{ return wd; }inline qreal QSizeF::height() const{ return ht; }inline void QSizeF::setWidth(qreal w){ wd = w; }inline void QSizeF::setHeight(qreal h){ ht = h; }inline void QSizeF::scale(qreal w, qreal h, Qt::AspectRatioMode mode){ scale(QSizeF(w, h), mode); }inline qreal &QSizeF::rwidth(){ return wd; }inline qreal &QSizeF::rheight(){ return ht; }inline QSizeF &QSizeF::operator+=(const QSizeF &s){ wd += s.wd; ht += s.ht; return *this; }inline QSizeF &QSizeF::operator-=(const QSizeF &s){ wd -= s.wd; ht -= s.ht; return *this; }inline QSizeF &QSizeF::operator*=(qreal c){ wd *= c; ht *= c; return *this; }inline bool operator==(const QSizeF &s1, const QSizeF &s2){ return qFuzzyCompare(s1.wd, s2.wd) && qFuzzyCompare(s1.ht, s2.ht); }inline bool operator!=(const QSizeF &s1, const QSizeF &s2){ return !qFuzzyCompare(s1.wd, s2.wd) || !qFuzzyCompare(s1.ht, s2.ht); }inline const QSizeF operator+(const QSizeF & s1, const QSizeF & s2){ return QSizeF(s1.wd+s2.wd, s1.ht+s2.ht); }inline const QSizeF operator-(const QSizeF &s1, const QSizeF &s2){ return QSizeF(s1.wd-s2.wd, s1.ht-s2.ht); }inline const QSizeF operator*(const QSizeF &s, qreal c){ return QSizeF(s.wd*c, s.ht*c); }inline const QSizeF operator*(qreal c, const QSizeF &s){ return QSizeF(s.wd*c, s.ht*c); }inline QSizeF &QSizeF::operator/=(qreal c){ Q_ASSERT(!qFuzzyCompare(c, 0)); wd = wd/c; ht = ht/c; return *this;}inline const QSizeF operator/(const QSizeF &s, qreal c){ Q_ASSERT(!qFuzzyCompare(c, 0)); return QSizeF(s.wd/c, s.ht/c);}inline QSizeF QSizeF::expandedTo(const QSizeF & otherSize) const{ return QSizeF(qMax(wd,otherSize.wd), qMax(ht,otherSize.ht));}inline QSizeF QSizeF::boundedTo(const QSizeF & otherSize) const{ return QSizeF(qMin(wd,otherSize.wd), qMin(ht,otherSize.ht));}inline QSize QSizeF::toSize() const{ return QSize(qRound(wd), qRound(ht));}#ifndef QT_NO_DEBUG_STREAMQ_CORE_EXPORT QDebug operator<<(QDebug, const QSizeF &);#endifQT_END_HEADER#endif // QSIZE_H
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