/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtCore module of the Qt Toolkit.

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** $QT_BEGIN_LICENSE:LGPL$

** 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.

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QRECT_H

#define QRECT_H

#include <QtCore/qsize.h>

#include <QtCore/qpoint.h>

#ifdef topLeft

#error qrect.h must be included before any header file that defines topLeft

#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class Q_CORE_EXPORT QRect

{

public:

    QRect() { x1 = y1 = 0; x2 = y2 = -1; }

    QRect(const QPoint &topleft, const QPoint &bottomright);

    QRect(const QPoint &topleft, const QSize &size);

    QRect(int left, int top, int width, int height);

    bool isNull() const;

    bool isEmpty() const;

    bool isValid() const;

    int left() const;

    int top() const;

    int right() const;

    int bottom() const;

    QRect normalized() const;

#ifdef QT3_SUPPORT

    QT3_SUPPORT int &rLeft() { return x1; }

    QT3_SUPPORT int &rTop() { return y1; }

    QT3_SUPPORT int &rRight() { return x2; }

    QT3_SUPPORT int &rBottom() { return y2; }

    QT3_SUPPORT QRect normalize() const { return normalized(); }

#endif

    int x() const;

    int y() const;

    void setLeft(int pos);

    void setTop(int pos);

    void setRight(int pos);

    void setBottom(int pos);

    void setX(int x);

    void setY(int y);

    void setTopLeft(const QPoint &p);

    void setBottomRight(const QPoint &p);

    void setTopRight(const QPoint &p);

    void setBottomLeft(const QPoint &p);

    QPoint topLeft() const;

    QPoint bottomRight() const;

    QPoint topRight() const;

    QPoint bottomLeft() const;

    QPoint center() const;

    void moveLeft(int pos);

    void moveTop(int pos);

    void moveRight(int pos);

    void moveBottom(int pos);

    void moveTopLeft(const QPoint &p);

    void moveBottomRight(const QPoint &p);

    void moveTopRight(const QPoint &p);

    void moveBottomLeft(const QPoint &p);

    void moveCenter(const QPoint &p);

    inline void translate(int dx, int dy);

    inline void translate(const QPoint &p);

    inline QRect translated(int dx, int dy) const;

    inline QRect translated(const QPoint &p) const;

    void moveTo(int x, int t);

    void moveTo(const QPoint &p);

#ifdef QT3_SUPPORT

    QT3_SUPPORT void moveBy(int dx, int dy) { translate(dx, dy); }

    QT3_SUPPORT void moveBy(const QPoint &p) { translate(p); }

#endif

    void setRect(int x, int y, int w, int h);

    inline void getRect(int *x, int *y, int *w, int *h) const;

    void setCoords(int x1, int y1, int x2, int y2);

#ifdef QT3_SUPPORT

    QT3_SUPPORT void addCoords(int x1, int y1, int x2, int y2);

#endif

    inline void getCoords(int *x1, int *y1, int *x2, int *y2) const;

    inline void adjust(int x1, int y1, int x2, int y2);

    inline QRect adjusted(int x1, int y1, int x2, int y2) const;

    QSize size() const;

    int width() const;

    int height() const;

    void setWidth(int w);

    void setHeight(int h);

    void setSize(const QSize &s);

    QRect operator|(const QRect &r) const;

    QRect operator&(const QRect &r) const;

    QRect& operator|=(const QRect &r);

    QRect& operator&=(const QRect &r);

    bool contains(const QPoint &p, bool proper=false) const;

    bool contains(int x, int y) const; // inline methods, _don't_ merge these

    bool contains(int x, int y, bool proper) const;

    bool contains(const QRect &r, bool proper = false) const;

    QRect unite(const QRect &r) const;  // ### Qt 5: make QT4_SUPPORT

    QRect united(const QRect &other) const;

    QRect intersect(const QRect &r) const;  // ### Qt 5: make QT4_SUPPORT

    QRect intersected(const QRect &other) const;

    bool intersects(const QRect &r) const;

    friend Q_CORE_EXPORT_INLINE bool operator==(const QRect &, const QRect &);

    friend Q_CORE_EXPORT_INLINE bool operator!=(const QRect &, const QRect &);

#ifdef QT3_SUPPORT

    inline QT3_SUPPORT void rect(int *x, int *y, int *w, int *h) const { getRect(x, y, w, h); }

    inline QT3_SUPPORT void coords(int *ax1, int *ay1, int *ax2, int *ay2) const

    { getCoords(ax1, ay1, ax2, ay2); }

#endif

private:

#if defined(Q_WS_X11)

    friend void qt_setCoords(QRect *r, int xp1, int yp1, int xp2, int yp2);

#endif

    // ### Qt 5;  remove the ifdef and just have the same order on all platforms.

#if defined(Q_OS_MAC)

    int y1;

    int x1;

    int y2;

    int x2;

#else

    int x1;

    int y1;

    int x2;

    int y2;

#endif

};

Q_DECLARE_TYPEINFO(QRect, Q_MOVABLE_TYPE);

Q_CORE_EXPORT_INLINE bool operator==(const QRect &, const QRect &);

Q_CORE_EXPORT_INLINE bool operator!=(const QRect &, const QRect &);

/*****************************************************************************

  QRect stream functions

 *****************************************************************************/

#ifndef QT_NO_DATASTREAM

Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRect &);

Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRect &);

#endif

/*****************************************************************************

  QRect inline member functions

 *****************************************************************************/

inline QRect::QRect(int aleft, int atop, int awidth, int aheight)

{

    x1 = aleft;

    y1 = atop;

    x2 = (aleft + awidth - 1);

    y2 = (atop + aheight - 1);

}

inline QRect::QRect(const QPoint &atopLeft, const QPoint &abottomRight)

{

    x1 = atopLeft.x();

    y1 = atopLeft.y();

    x2 = abottomRight.x();

    y2 = abottomRight.y();

}

inline QRect::QRect(const QPoint &atopLeft, const QSize &asize)

{

    x1 = atopLeft.x();

    y1 = atopLeft.y();

    x2 = (x1+asize.width() - 1);

    y2 = (y1+asize.height() - 1);

}

inline bool QRect::isNull() const

{ return x2 == x1 - 1 && y2 == y1 - 1; }

inline bool QRect::isEmpty() const

{ return x1 > x2 || y1 > y2; }

inline bool QRect::isValid() const

{ return x1 <= x2 && y1 <= y2; }

inline int QRect::left() const

{ return x1; }

inline int QRect::top() const

{ return y1; }

inline int QRect::right() const

{ return x2; }

inline int QRect::bottom() const

{ return y2; }

inline int QRect::x() const

{ return x1; }

inline int QRect::y() const

{ return y1; }

inline void QRect::setLeft(int pos)

{ x1 = pos; }

inline void QRect::setTop(int pos)

{ y1 = pos; }

inline void QRect::setRight(int pos)

{ x2 = pos; }

inline void QRect::setBottom(int pos)

{ y2 = pos; }

inline void QRect::setTopLeft(const QPoint &p)

{ x1 = p.x(); y1 = p.y(); }

inline void QRect::setBottomRight(const QPoint &p)

{ x2 = p.x(); y2 = p.y(); }

inline void QRect::setTopRight(const QPoint &p)

{ x2 = p.x(); y1 = p.y(); }

inline void QRect::setBottomLeft(const QPoint &p)

{ x1 = p.x(); y2 = p.y(); }

inline void QRect::setX(int ax)

{ x1 = ax; }

inline void QRect::setY(int ay)

{ y1 = ay; }

inline QPoint QRect::topLeft() const

{ return QPoint(x1, y1); }

inline QPoint QRect::bottomRight() const

{ return QPoint(x2, y2); }

inline QPoint QRect::topRight() const

{ return QPoint(x2, y1); }

inline QPoint QRect::bottomLeft() const

{ return QPoint(x1, y2); }

inline QPoint QRect::center() const

{ return QPoint((x1+x2)/2, (y1+y2)/2); }

inline int QRect::width() const

{ return  x2 - x1 + 1; }

inline int QRect::height() const

{ return  y2 - y1 + 1; }

inline QSize QRect::size() const

{ return QSize(width(), height()); }

inline void QRect::translate(int dx, int dy)

{

    x1 += dx;

    y1 += dy;

    x2 += dx;

    y2 += dy;

}

inline void QRect::translate(const QPoint &p)

{

    x1 += p.x();

    y1 += p.y();

    x2 += p.x();

    y2 += p.y();

}

inline QRect QRect::translated(int dx, int dy) const

{ return QRect(QPoint(x1 + dx, y1 + dy), QPoint(x2 + dx, y2 + dy)); }

inline QRect QRect::translated(const QPoint &p) const

{ return QRect(QPoint(x1 + p.x(), y1 + p.y()), QPoint(x2 + p.x(), y2 + p.y())); }

inline void QRect::moveTo(int ax, int ay)

{

    x2 += ax - x1;

    y2 += ay - y1;

    x1 = ax;

    y1 = ay;

}

inline void QRect::moveTo(const QPoint &p)

{

    x2 += p.x() - x1;

    y2 += p.y() - y1;

    x1 = p.x();

    y1 = p.y();

}

inline void QRect::moveLeft(int pos)

{ x2 += (pos - x1); x1 = pos; }

inline void QRect::moveTop(int pos)

{ y2 += (pos - y1); y1 = pos; }

inline void QRect::moveRight(int pos)

{

    x1 += (pos - x2);

    x2 = pos;

}

inline void QRect::moveBottom(int pos)

{

    y1 += (pos - y2);

    y2 = pos;

}

inline void QRect::moveTopLeft(const QPoint &p)

{

    moveLeft(p.x());

    moveTop(p.y());

}

inline void QRect::moveBottomRight(const QPoint &p)

{

    moveRight(p.x());

    moveBottom(p.y());

}

inline void QRect::moveTopRight(const QPoint &p)

{

    moveRight(p.x());

    moveTop(p.y());

}

inline void QRect::moveBottomLeft(const QPoint &p)

{

    moveLeft(p.x());

    moveBottom(p.y());

}

inline void QRect::getRect(int *ax, int *ay, int *aw, int *ah) const

{

    *ax = x1;

    *ay = y1;

    *aw = x2 - x1 + 1;

    *ah = y2 - y1 + 1;

}

inline void QRect::setRect(int ax, int ay, int aw, int ah)

{

    x1 = ax;

    y1 = ay;

    x2 = (ax + aw - 1);

    y2 = (ay + ah - 1);

}

inline void QRect::getCoords(int *xp1, int *yp1, int *xp2, int *yp2) const

{

    *xp1 = x1;

    *yp1 = y1;

    *xp2 = x2;

    *yp2 = y2;

}

inline void QRect::setCoords(int xp1, int yp1, int xp2, int yp2)

{

    x1 = xp1;

    y1 = yp1;

    x2 = xp2;

    y2 = yp2;

}

#ifdef QT3_SUPPORT

inline void QRect::addCoords(int dx1, int dy1, int dx2, int dy2)

{

    adjust(dx1, dy1, dx2, dy2);

}

#endif

inline QRect QRect::adjusted(int xp1, int yp1, int xp2, int yp2) const

{ return QRect(QPoint(x1 + xp1, y1 + yp1), QPoint(x2 + xp2, y2 + yp2)); }

inline void QRect::adjust(int dx1, int dy1, int dx2, int dy2)

{

    x1 += dx1;

    y1 += dy1;

    x2 += dx2;

    y2 += dy2;

}

inline void QRect::setWidth(int w)

{ x2 = (x1 + w - 1); }

inline void QRect::setHeight(int h)

{ y2 = (y1 + h - 1); }

inline void QRect::setSize(const QSize &s)

{

    x2 = (s.width()  + x1 - 1);

    y2 = (s.height() + y1 - 1);

}

inline bool QRect::contains(int ax, int ay, bool aproper) const

{

    return contains(QPoint(ax, ay), aproper);

}

inline bool QRect::contains(int ax, int ay) const

{

    return contains(QPoint(ax, ay), false);

}

inline QRect& QRect::operator|=(const QRect &r)

{

    *this = *this | r;

    return *this;

}

inline QRect& QRect::operator&=(const QRect &r)

{

    *this = *this & r;

    return *this;

}

inline QRect QRect::intersect(const QRect &r) const

{

    return *this & r;

}

inline QRect QRect::intersected(const QRect &other) const

{

    return intersect(other);

}

inline QRect QRect::unite(const QRect &r) const

{

    return *this | r;

}

inline QRect QRect::united(const QRect &r) const

{

     return unite(r);

}

inline bool operator==(const QRect &r1, const QRect &r2)

{

    return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;

}

inline bool operator!=(const QRect &r1, const QRect &r2)

{

    return r1.x1!=r2.x1 || r1.x2!=r2.x2 || r1.y1!=r2.y1 || r1.y2!=r2.y2;

}

#ifndef QT_NO_DEBUG_STREAM

Q_CORE_EXPORT QDebug operator<<(QDebug, const QRect &);

#endif

class Q_CORE_EXPORT QRectF

{

public:

    QRectF() { xp = yp = 0.; w = h = 0.; }

    QRectF(const QPointF &topleft, const QSizeF &size);

    QRectF(const QPointF &topleft, const QPointF &bottomRight);

    QRectF(qreal left, qreal top, qreal width, qreal height);

    QRectF(const QRect &rect);

    bool isNull() const;

    bool isEmpty() const;

    bool isValid() const;

    QRectF normalized() const;

    inline qreal left() const { return xp; }

    inline qreal top() const { return yp; }

    inline qreal right() const { return xp + w; }

    inline qreal bottom() const { return yp + h; }