1 files changed, 368 insertions, 0 deletions
diff --git a/src/corelib/tools/qsize.h b/src/corelib/tools/qsize.h
new file mode 100644
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+++ b/src/corelib/tools/qsize.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSIZE_H
+#define QSIZE_H
+
+#include <QtCore/qnamespace.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_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
+ *****************************************************************************/
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QSize &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QSize &);
+#endif
+
+
+/*****************************************************************************
+  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(!qFuzzyIsNull(c));
+    wd = qRound(wd/c); ht = qRound(ht/c);
+    return *this;
+}
+
+inline const QSize operator/(const QSize &s, qreal c)
+{
+    Q_ASSERT(!qFuzzyIsNull(c));
+    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_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QSize &);
+#endif
+
+
+class 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
+ *****************************************************************************/
+
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QSizeF &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QSizeF &);
+#endif
+
+
+/*****************************************************************************
+  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(!qFuzzyIsNull(c));
+    wd = wd/c; ht = ht/c;
+    return *this;
+}
+
+inline const QSizeF operator/(const QSizeF &s, qreal c)
+{
+    Q_ASSERT(!qFuzzyIsNull(c));
+    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_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QSizeF &);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSIZE_H