/******************************************************************************** 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 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#endifQT_BEGIN_HEADERQT_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); }#endifprivate:#if defined(Q_WS_X11) || defined(Q_OS_TEMP)    friend void qt_setCoords(QRect *r, int xp1, int yp1, int xp2, int yp2);#endif#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_DATASTREAMQ_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_SUPPORTinline void QRect::addCoords(int dx1, int dy1, int dx2, int dy2){    adjust(dx1, dy1, dx2, dy2);}#endifinline 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)