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0001 // Copyright (C) 2022 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003 
0004 #ifndef QRECT_H
0005 #define QRECT_H
0006 
0007 #include <QtCore/qhashfunctions.h>
0008 #include <QtCore/qmargins.h>
0009 #include <QtCore/qsize.h>
0010 #include <QtCore/qpoint.h>
0011 
0012 #ifdef topLeft
0013 #error qrect.h must be included before any header file that defines topLeft
0014 #endif
0015 
0016 #if defined(Q_OS_DARWIN) || defined(Q_QDOC)
0017 struct CGRect;
0018 #endif
0019 #if defined(Q_OS_WASM) || defined(Q_QDOC)
0020 namespace emscripten {
0021 class val;
0022 }
0023 #endif
0024 
0025 QT_BEGIN_NAMESPACE
0026 
0027 class QRectF;
0028 
0029 class Q_CORE_EXPORT QRect
0030 {
0031 public:
0032     constexpr QRect() noexcept : x1(0), y1(0), x2(-1), y2(-1) {}
0033     constexpr QRect(const QPoint &topleft, const QPoint &bottomright) noexcept;
0034     constexpr QRect(const QPoint &topleft, const QSize &size) noexcept;
0035     constexpr QRect(int left, int top, int width, int height) noexcept;
0036 
0037     constexpr inline bool isNull() const noexcept;
0038     constexpr inline bool isEmpty() const noexcept;
0039     constexpr inline bool isValid() const noexcept;
0040 
0041     constexpr inline int left() const noexcept;
0042     constexpr inline int top() const noexcept;
0043     constexpr inline int right() const noexcept;
0044     constexpr inline int bottom() const noexcept;
0045     [[nodiscard]] QRect normalized() const noexcept;
0046 
0047     constexpr inline int x() const noexcept;
0048     constexpr inline int y() const noexcept;
0049     constexpr inline void setLeft(int pos) noexcept;
0050     constexpr inline void setTop(int pos) noexcept;
0051     constexpr inline void setRight(int pos) noexcept;
0052     constexpr inline void setBottom(int pos) noexcept;
0053     constexpr inline void setX(int x) noexcept;
0054     constexpr inline void setY(int y) noexcept;
0055 
0056     constexpr inline void setTopLeft(const QPoint &p) noexcept;
0057     constexpr inline void setBottomRight(const QPoint &p) noexcept;
0058     constexpr inline void setTopRight(const QPoint &p) noexcept;
0059     constexpr inline void setBottomLeft(const QPoint &p) noexcept;
0060 
0061     constexpr inline QPoint topLeft() const noexcept;
0062     constexpr inline QPoint bottomRight() const noexcept;
0063     constexpr inline QPoint topRight() const noexcept;
0064     constexpr inline QPoint bottomLeft() const noexcept;
0065     constexpr inline QPoint center() const noexcept;
0066 
0067     constexpr inline void moveLeft(int pos) noexcept;
0068     constexpr inline void moveTop(int pos) noexcept;
0069     constexpr inline void moveRight(int pos) noexcept;
0070     constexpr inline void moveBottom(int pos) noexcept;
0071     constexpr inline void moveTopLeft(const QPoint &p) noexcept;
0072     constexpr inline void moveBottomRight(const QPoint &p) noexcept;
0073     constexpr inline void moveTopRight(const QPoint &p) noexcept;
0074     constexpr inline void moveBottomLeft(const QPoint &p) noexcept;
0075     constexpr inline void moveCenter(const QPoint &p) noexcept;
0076 
0077     constexpr inline void translate(int dx, int dy) noexcept;
0078     constexpr inline void translate(const QPoint &p) noexcept;
0079     [[nodiscard]] constexpr inline QRect translated(int dx, int dy) const noexcept;
0080     [[nodiscard]] constexpr inline QRect translated(const QPoint &p) const noexcept;
0081     [[nodiscard]] constexpr inline QRect transposed() const noexcept;
0082 
0083     constexpr inline void moveTo(int x, int t) noexcept;
0084     constexpr inline void moveTo(const QPoint &p) noexcept;
0085 
0086     constexpr inline void setRect(int x, int y, int w, int h) noexcept;
0087     constexpr inline void getRect(int *x, int *y, int *w, int *h) const;
0088 
0089     constexpr inline void setCoords(int x1, int y1, int x2, int y2) noexcept;
0090     constexpr inline void getCoords(int *x1, int *y1, int *x2, int *y2) const;
0091 
0092     constexpr inline void adjust(int x1, int y1, int x2, int y2) noexcept;
0093     [[nodiscard]] constexpr inline QRect adjusted(int x1, int y1, int x2, int y2) const noexcept;
0094 
0095     constexpr inline QSize size() const noexcept;
0096     constexpr inline int width() const noexcept;
0097     constexpr inline int height() const noexcept;
0098     constexpr inline void setWidth(int w) noexcept;
0099     constexpr inline void setHeight(int h) noexcept;
0100     constexpr inline void setSize(const QSize &s) noexcept;
0101 
0102     QRect operator|(const QRect &r) const noexcept;
0103     QRect operator&(const QRect &r) const noexcept;
0104     inline QRect &operator|=(const QRect &r) noexcept;
0105     inline QRect &operator&=(const QRect &r) noexcept;
0106 
0107     bool contains(const QRect &r, bool proper = false) const noexcept;
0108     bool contains(const QPoint &p, bool proper = false) const noexcept;
0109     inline bool contains(int x, int y) const noexcept;
0110     inline bool contains(int x, int y, bool proper) const noexcept;
0111     [[nodiscard]] inline QRect united(const QRect &other) const noexcept;
0112     [[nodiscard]] inline QRect intersected(const QRect &other) const noexcept;
0113     bool intersects(const QRect &r) const noexcept;
0114 
0115     constexpr inline QRect marginsAdded(const QMargins &margins) const noexcept;
0116     constexpr inline QRect marginsRemoved(const QMargins &margins) const noexcept;
0117     constexpr inline QRect &operator+=(const QMargins &margins) noexcept;
0118     constexpr inline QRect &operator-=(const QMargins &margins) noexcept;
0119 
0120     [[nodiscard]] static constexpr inline QRect span(const QPoint &p1, const QPoint &p2) noexcept;
0121 
0122     friend constexpr inline bool operator==(const QRect &r1, const QRect &r2) noexcept
0123     { return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2; }
0124     friend constexpr inline bool operator!=(const QRect &r1, const QRect &r2) noexcept
0125     { return r1.x1!=r2.x1 || r1.x2!=r2.x2 || r1.y1!=r2.y1 || r1.y2!=r2.y2; }
0126     friend constexpr inline size_t qHash(const QRect &, size_t) noexcept;
0127 
0128 #if defined(Q_OS_DARWIN) || defined(Q_QDOC)
0129     [[nodiscard]] CGRect toCGRect() const noexcept;
0130 #endif
0131     [[nodiscard]] constexpr inline QRectF toRectF() const noexcept;
0132 
0133 private:
0134     int x1;
0135     int y1;
0136     int x2;
0137     int y2;
0138 };
0139 Q_DECLARE_TYPEINFO(QRect, Q_RELOCATABLE_TYPE);
0140 
0141 
0142 /*****************************************************************************
0143   QRect stream functions
0144  *****************************************************************************/
0145 #ifndef QT_NO_DATASTREAM
0146 Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRect &);
0147 Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRect &);
0148 #endif
0149 
0150 /*****************************************************************************
0151   QRect inline member functions
0152  *****************************************************************************/
0153 
0154 constexpr inline QRect::QRect(int aleft, int atop, int awidth, int aheight) noexcept
0155     : x1(aleft), y1(atop), x2(aleft + awidth - 1), y2(atop + aheight - 1) {}
0156 
0157 constexpr inline QRect::QRect(const QPoint &atopLeft, const QPoint &abottomRight) noexcept
0158     : x1(atopLeft.x()), y1(atopLeft.y()), x2(abottomRight.x()), y2(abottomRight.y()) {}
0159 
0160 constexpr inline QRect::QRect(const QPoint &atopLeft, const QSize &asize) noexcept
0161     : x1(atopLeft.x()), y1(atopLeft.y()), x2(atopLeft.x()+asize.width() - 1), y2(atopLeft.y()+asize.height() - 1) {}
0162 
0163 constexpr inline bool QRect::isNull() const noexcept
0164 { return x2 == x1 - 1 && y2 == y1 - 1; }
0165 
0166 constexpr inline bool QRect::isEmpty() const noexcept
0167 { return x1 > x2 || y1 > y2; }
0168 
0169 constexpr inline bool QRect::isValid() const noexcept
0170 { return x1 <= x2 && y1 <= y2; }
0171 
0172 constexpr inline int QRect::left() const noexcept
0173 { return x1; }
0174 
0175 constexpr inline int QRect::top() const noexcept
0176 { return y1; }
0177 
0178 constexpr inline int QRect::right() const noexcept
0179 { return x2; }
0180 
0181 constexpr inline int QRect::bottom() const noexcept
0182 { return y2; }
0183 
0184 constexpr inline int QRect::x() const noexcept
0185 { return x1; }
0186 
0187 constexpr inline int QRect::y() const noexcept
0188 { return y1; }
0189 
0190 constexpr inline void QRect::setLeft(int pos) noexcept
0191 { x1 = pos; }
0192 
0193 constexpr inline void QRect::setTop(int pos) noexcept
0194 { y1 = pos; }
0195 
0196 constexpr inline void QRect::setRight(int pos) noexcept
0197 { x2 = pos; }
0198 
0199 constexpr inline void QRect::setBottom(int pos) noexcept
0200 { y2 = pos; }
0201 
0202 constexpr inline void QRect::setTopLeft(const QPoint &p) noexcept
0203 { x1 = p.x(); y1 = p.y(); }
0204 
0205 constexpr inline void QRect::setBottomRight(const QPoint &p) noexcept
0206 { x2 = p.x(); y2 = p.y(); }
0207 
0208 constexpr inline void QRect::setTopRight(const QPoint &p) noexcept
0209 { x2 = p.x(); y1 = p.y(); }
0210 
0211 constexpr inline void QRect::setBottomLeft(const QPoint &p) noexcept
0212 { x1 = p.x(); y2 = p.y(); }
0213 
0214 constexpr inline void QRect::setX(int ax) noexcept
0215 { x1 = ax; }
0216 
0217 constexpr inline void QRect::setY(int ay) noexcept
0218 { y1 = ay; }
0219 
0220 constexpr inline QPoint QRect::topLeft() const noexcept
0221 { return QPoint(x1, y1); }
0222 
0223 constexpr inline QPoint QRect::bottomRight() const noexcept
0224 { return QPoint(x2, y2); }
0225 
0226 constexpr inline QPoint QRect::topRight() const noexcept
0227 { return QPoint(x2, y1); }
0228 
0229 constexpr inline QPoint QRect::bottomLeft() const noexcept
0230 { return QPoint(x1, y2); }
0231 
0232 constexpr inline QPoint QRect::center() const noexcept
0233 { return QPoint(int((qint64(x1)+x2)/2), int((qint64(y1)+y2)/2)); } // cast avoids overflow on addition
0234 
0235 constexpr inline int QRect::width() const noexcept
0236 { return  x2 - x1 + 1; }
0237 
0238 constexpr inline int QRect::height() const noexcept
0239 { return  y2 - y1 + 1; }
0240 
0241 constexpr inline QSize QRect::size() const noexcept
0242 { return QSize(width(), height()); }
0243 
0244 constexpr inline void QRect::translate(int dx, int dy) noexcept
0245 {
0246     x1 += dx;
0247     y1 += dy;
0248     x2 += dx;
0249     y2 += dy;
0250 }
0251 
0252 constexpr inline void QRect::translate(const QPoint &p) noexcept
0253 {
0254     x1 += p.x();
0255     y1 += p.y();
0256     x2 += p.x();
0257     y2 += p.y();
0258 }
0259 
0260 constexpr inline QRect QRect::translated(int dx, int dy) const noexcept
0261 { return QRect(QPoint(x1 + dx, y1 + dy), QPoint(x2 + dx, y2 + dy)); }
0262 
0263 constexpr inline QRect QRect::translated(const QPoint &p) const noexcept
0264 { return QRect(QPoint(x1 + p.x(), y1 + p.y()), QPoint(x2 + p.x(), y2 + p.y())); }
0265 
0266 constexpr inline QRect QRect::transposed() const noexcept
0267 { return QRect(topLeft(), size().transposed()); }
0268 
0269 constexpr inline void QRect::moveTo(int ax, int ay) noexcept
0270 {
0271     x2 += ax - x1;
0272     y2 += ay - y1;
0273     x1 = ax;
0274     y1 = ay;
0275 }
0276 
0277 constexpr inline void QRect::moveTo(const QPoint &p) noexcept
0278 {
0279     x2 += p.x() - x1;
0280     y2 += p.y() - y1;
0281     x1 = p.x();
0282     y1 = p.y();
0283 }
0284 
0285 constexpr inline void QRect::moveLeft(int pos) noexcept
0286 { x2 += (pos - x1); x1 = pos; }
0287 
0288 constexpr inline void QRect::moveTop(int pos) noexcept
0289 { y2 += (pos - y1); y1 = pos; }
0290 
0291 constexpr inline void QRect::moveRight(int pos) noexcept
0292 {
0293     x1 += (pos - x2);
0294     x2 = pos;
0295 }
0296 
0297 constexpr inline void QRect::moveBottom(int pos) noexcept
0298 {
0299     y1 += (pos - y2);
0300     y2 = pos;
0301 }
0302 
0303 constexpr inline void QRect::moveTopLeft(const QPoint &p) noexcept
0304 {
0305     moveLeft(p.x());
0306     moveTop(p.y());
0307 }
0308 
0309 constexpr inline void QRect::moveBottomRight(const QPoint &p) noexcept
0310 {
0311     moveRight(p.x());
0312     moveBottom(p.y());
0313 }
0314 
0315 constexpr inline void QRect::moveTopRight(const QPoint &p) noexcept
0316 {
0317     moveRight(p.x());
0318     moveTop(p.y());
0319 }
0320 
0321 constexpr inline void QRect::moveBottomLeft(const QPoint &p) noexcept
0322 {
0323     moveLeft(p.x());
0324     moveBottom(p.y());
0325 }
0326 
0327 constexpr inline void QRect::moveCenter(const QPoint &p) noexcept
0328 {
0329     int w = x2 - x1;
0330     int h = y2 - y1;
0331     x1 = p.x() - w/2;
0332     y1 = p.y() - h/2;
0333     x2 = x1 + w;
0334     y2 = y1 + h;
0335 }
0336 
0337 constexpr inline void QRect::getRect(int *ax, int *ay, int *aw, int *ah) const
0338 {
0339     *ax = x1;
0340     *ay = y1;
0341     *aw = x2 - x1 + 1;
0342     *ah = y2 - y1 + 1;
0343 }
0344 
0345 constexpr inline void QRect::setRect(int ax, int ay, int aw, int ah) noexcept
0346 {
0347     x1 = ax;
0348     y1 = ay;
0349     x2 = (ax + aw - 1);
0350     y2 = (ay + ah - 1);
0351 }
0352 
0353 constexpr inline void QRect::getCoords(int *xp1, int *yp1, int *xp2, int *yp2) const
0354 {
0355     *xp1 = x1;
0356     *yp1 = y1;
0357     *xp2 = x2;
0358     *yp2 = y2;
0359 }
0360 
0361 constexpr inline void QRect::setCoords(int xp1, int yp1, int xp2, int yp2) noexcept
0362 {
0363     x1 = xp1;
0364     y1 = yp1;
0365     x2 = xp2;
0366     y2 = yp2;
0367 }
0368 
0369 constexpr inline QRect QRect::adjusted(int xp1, int yp1, int xp2, int yp2) const noexcept
0370 { return QRect(QPoint(x1 + xp1, y1 + yp1), QPoint(x2 + xp2, y2 + yp2)); }
0371 
0372 constexpr inline void QRect::adjust(int dx1, int dy1, int dx2, int dy2) noexcept
0373 {
0374     x1 += dx1;
0375     y1 += dy1;
0376     x2 += dx2;
0377     y2 += dy2;
0378 }
0379 
0380 constexpr inline void QRect::setWidth(int w) noexcept
0381 { x2 = (x1 + w - 1); }
0382 
0383 constexpr inline void QRect::setHeight(int h) noexcept
0384 { y2 = (y1 + h - 1); }
0385 
0386 constexpr inline void QRect::setSize(const QSize &s) noexcept
0387 {
0388     x2 = (s.width()  + x1 - 1);
0389     y2 = (s.height() + y1 - 1);
0390 }
0391 
0392 inline bool QRect::contains(int ax, int ay, bool aproper) const noexcept
0393 {
0394     return contains(QPoint(ax, ay), aproper);
0395 }
0396 
0397 inline bool QRect::contains(int ax, int ay) const noexcept
0398 {
0399     return contains(QPoint(ax, ay), false);
0400 }
0401 
0402 inline QRect &QRect::operator|=(const QRect &r) noexcept
0403 {
0404     *this = *this | r;
0405     return *this;
0406 }
0407 
0408 inline QRect &QRect::operator&=(const QRect &r) noexcept
0409 {
0410     *this = *this & r;
0411     return *this;
0412 }
0413 
0414 inline QRect QRect::intersected(const QRect &other) const noexcept
0415 {
0416     return *this & other;
0417 }
0418 
0419 inline QRect QRect::united(const QRect &r) const noexcept
0420 {
0421     return *this | r;
0422 }
0423 
0424 constexpr inline size_t qHash(const QRect &r, size_t seed = 0) noexcept
0425 {
0426     return qHashMulti(seed, r.x1, r.x2, r.y1, r.y2);
0427 }
0428 
0429 constexpr inline QRect operator+(const QRect &rectangle, const QMargins &margins) noexcept
0430 {
0431     return QRect(QPoint(rectangle.left() - margins.left(), rectangle.top() - margins.top()),
0432                  QPoint(rectangle.right() + margins.right(), rectangle.bottom() + margins.bottom()));
0433 }
0434 
0435 constexpr inline QRect operator+(const QMargins &margins, const QRect &rectangle) noexcept
0436 {
0437     return QRect(QPoint(rectangle.left() - margins.left(), rectangle.top() - margins.top()),
0438                  QPoint(rectangle.right() + margins.right(), rectangle.bottom() + margins.bottom()));
0439 }
0440 
0441 constexpr inline QRect operator-(const QRect &lhs, const QMargins &rhs) noexcept
0442 {
0443     return QRect(QPoint(lhs.left() + rhs.left(), lhs.top() + rhs.top()),
0444                  QPoint(lhs.right() - rhs.right(), lhs.bottom() - rhs.bottom()));
0445 }
0446 
0447 constexpr inline QRect QRect::marginsAdded(const QMargins &margins) const noexcept
0448 {
0449     return QRect(QPoint(x1 - margins.left(), y1 - margins.top()),
0450                  QPoint(x2 + margins.right(), y2 + margins.bottom()));
0451 }
0452 
0453 constexpr inline QRect QRect::marginsRemoved(const QMargins &margins) const noexcept
0454 {
0455     return QRect(QPoint(x1 + margins.left(), y1 + margins.top()),
0456                  QPoint(x2 - margins.right(), y2 - margins.bottom()));
0457 }
0458 
0459 constexpr inline QRect &QRect::operator+=(const QMargins &margins) noexcept
0460 {
0461     *this = marginsAdded(margins);
0462     return *this;
0463 }
0464 
0465 constexpr inline QRect &QRect::operator-=(const QMargins &margins) noexcept
0466 {
0467     *this = marginsRemoved(margins);
0468     return *this;
0469 }
0470 
0471 constexpr QRect QRect::span(const QPoint &p1, const QPoint &p2) noexcept
0472 {
0473     return QRect(QPoint(qMin(p1.x(), p2.x()), qMin(p1.y(), p2.y())),
0474                  QPoint(qMax(p1.x(), p2.x()), qMax(p1.y(), p2.y())));
0475 }
0476 
0477 #ifndef QT_NO_DEBUG_STREAM
0478 Q_CORE_EXPORT QDebug operator<<(QDebug, const QRect &);
0479 #endif
0480 
0481 
0482 class Q_CORE_EXPORT QRectF
0483 {
0484 public:
0485     constexpr QRectF() noexcept : xp(0.), yp(0.), w(0.), h(0.) {}
0486     constexpr QRectF(const QPointF &topleft, const QSizeF &size) noexcept;
0487     constexpr QRectF(const QPointF &topleft, const QPointF &bottomRight) noexcept;
0488     constexpr QRectF(qreal left, qreal top, qreal width, qreal height) noexcept;
0489     constexpr QRectF(const QRect &rect) noexcept;
0490 
0491     constexpr inline bool isNull() const noexcept;
0492     constexpr inline bool isEmpty() const noexcept;
0493     constexpr inline bool isValid() const noexcept;
0494     [[nodiscard]] QRectF normalized() const noexcept;
0495 
0496     constexpr inline qreal left() const noexcept { return xp; }
0497     constexpr inline qreal top() const noexcept { return yp; }
0498     constexpr inline qreal right() const noexcept { return xp + w; }
0499     constexpr inline qreal bottom() const noexcept { return yp + h; }
0500 
0501     constexpr inline qreal x() const noexcept;
0502     constexpr inline qreal y() const noexcept;
0503     constexpr inline void setLeft(qreal pos) noexcept;
0504     constexpr inline void setTop(qreal pos) noexcept;
0505     constexpr inline void setRight(qreal pos) noexcept;
0506     constexpr inline void setBottom(qreal pos) noexcept;
0507     constexpr inline void setX(qreal pos) noexcept { setLeft(pos); }
0508     constexpr inline void setY(qreal pos) noexcept { setTop(pos); }
0509 
0510     constexpr inline QPointF topLeft() const noexcept { return QPointF(xp, yp); }
0511     constexpr inline QPointF bottomRight() const noexcept { return QPointF(xp+w, yp+h); }
0512     constexpr inline QPointF topRight() const noexcept { return QPointF(xp+w, yp); }
0513     constexpr inline QPointF bottomLeft() const noexcept { return QPointF(xp, yp+h); }
0514     constexpr inline QPointF center() const noexcept;
0515 
0516     constexpr inline void setTopLeft(const QPointF &p) noexcept;
0517     constexpr inline void setBottomRight(const QPointF &p) noexcept;
0518     constexpr inline void setTopRight(const QPointF &p) noexcept;
0519     constexpr inline void setBottomLeft(const QPointF &p) noexcept;
0520 
0521     constexpr inline void moveLeft(qreal pos) noexcept;
0522     constexpr inline void moveTop(qreal pos) noexcept;
0523     constexpr inline void moveRight(qreal pos) noexcept;
0524     constexpr inline void moveBottom(qreal pos) noexcept;
0525     constexpr inline void moveTopLeft(const QPointF &p) noexcept;
0526     constexpr inline void moveBottomRight(const QPointF &p) noexcept;
0527     constexpr inline void moveTopRight(const QPointF &p) noexcept;
0528     constexpr inline void moveBottomLeft(const QPointF &p) noexcept;
0529     constexpr inline void moveCenter(const QPointF &p) noexcept;
0530 
0531     constexpr inline void translate(qreal dx, qreal dy) noexcept;
0532     constexpr inline void translate(const QPointF &p) noexcept;
0533 
0534     [[nodiscard]] constexpr inline QRectF translated(qreal dx, qreal dy) const noexcept;
0535     [[nodiscard]] constexpr inline QRectF translated(const QPointF &p) const noexcept;
0536 
0537     [[nodiscard]] constexpr inline QRectF transposed() const noexcept;
0538 
0539     constexpr inline void moveTo(qreal x, qreal y) noexcept;
0540     constexpr inline void moveTo(const QPointF &p) noexcept;
0541 
0542     constexpr inline void setRect(qreal x, qreal y, qreal w, qreal h) noexcept;
0543     constexpr inline void getRect(qreal *x, qreal *y, qreal *w, qreal *h) const;
0544 
0545     constexpr inline void setCoords(qreal x1, qreal y1, qreal x2, qreal y2) noexcept;
0546     constexpr inline void getCoords(qreal *x1, qreal *y1, qreal *x2, qreal *y2) const;
0547 
0548     constexpr inline void adjust(qreal x1, qreal y1, qreal x2, qreal y2) noexcept;
0549     [[nodiscard]] constexpr inline QRectF adjusted(qreal x1, qreal y1, qreal x2, qreal y2) const noexcept;
0550 
0551     constexpr inline QSizeF size() const noexcept;
0552     constexpr inline qreal width() const noexcept;
0553     constexpr inline qreal height() const noexcept;
0554     constexpr inline void setWidth(qreal w) noexcept;
0555     constexpr inline void setHeight(qreal h) noexcept;
0556     constexpr inline void setSize(const QSizeF &s) noexcept;
0557 
0558     QRectF operator|(const QRectF &r) const noexcept;
0559     QRectF operator&(const QRectF &r) const noexcept;
0560     inline QRectF &operator|=(const QRectF &r) noexcept;
0561     inline QRectF &operator&=(const QRectF &r) noexcept;
0562 
0563     bool contains(const QRectF &r) const noexcept;
0564     bool contains(const QPointF &p) const noexcept;
0565     inline bool contains(qreal x, qreal y) const noexcept;
0566     [[nodiscard]] inline QRectF united(const QRectF &other) const noexcept;
0567     [[nodiscard]] inline QRectF intersected(const QRectF &other) const noexcept;
0568     bool intersects(const QRectF &r) const noexcept;
0569 
0570     constexpr inline QRectF marginsAdded(const QMarginsF &margins) const noexcept;
0571     constexpr inline QRectF marginsRemoved(const QMarginsF &margins) const noexcept;
0572     constexpr inline QRectF &operator+=(const QMarginsF &margins) noexcept;
0573     constexpr inline QRectF &operator-=(const QMarginsF &margins) noexcept;
0574 
0575     friend constexpr inline bool operator==(const QRectF &r1, const QRectF &r2) noexcept
0576     {
0577         return r1.topLeft() == r2.topLeft()
0578             && r1.size() == r2.size();
0579     }
0580     friend constexpr inline bool operator!=(const QRectF &r1, const QRectF &r2) noexcept
0581     {
0582         return r1.topLeft() != r2.topLeft()
0583             || r1.size() != r2.size();
0584     }
0585 
0586     [[nodiscard]] constexpr inline QRect toRect() const noexcept;
0587     [[nodiscard]] QRect toAlignedRect() const noexcept;
0588 
0589 #if defined(Q_OS_DARWIN) || defined(Q_QDOC)
0590     [[nodiscard]] static QRectF fromCGRect(CGRect rect) noexcept;
0591     [[nodiscard]] CGRect toCGRect() const noexcept;
0592 #endif
0593 
0594 #if defined(Q_OS_WASM) || defined(Q_QDOC)
0595     [[nodiscard]] static QRectF fromDOMRect(emscripten::val domRect);
0596     [[nodiscard]] emscripten::val toDOMRect() const;
0597 #endif
0598 
0599 private:
0600     qreal xp;
0601     qreal yp;
0602     qreal w;
0603     qreal h;
0604 };
0605 Q_DECLARE_TYPEINFO(QRectF, Q_RELOCATABLE_TYPE);
0606 
0607 
0608 /*****************************************************************************
0609   QRectF stream functions
0610  *****************************************************************************/
0611 #ifndef QT_NO_DATASTREAM
0612 Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRectF &);
0613 Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRectF &);
0614 #endif
0615 
0616 /*****************************************************************************
0617   QRectF inline member functions
0618  *****************************************************************************/
0619 
0620 constexpr inline QRectF::QRectF(qreal aleft, qreal atop, qreal awidth, qreal aheight) noexcept
0621     : xp(aleft), yp(atop), w(awidth), h(aheight)
0622 {
0623 }
0624 
0625 constexpr inline QRectF::QRectF(const QPointF &atopLeft, const QSizeF &asize) noexcept
0626     : xp(atopLeft.x()), yp(atopLeft.y()), w(asize.width()), h(asize.height())
0627 {
0628 }
0629 
0630 
0631 constexpr inline QRectF::QRectF(const QPointF &atopLeft, const QPointF &abottomRight) noexcept
0632     : xp(atopLeft.x()), yp(atopLeft.y()), w(abottomRight.x() - atopLeft.x()), h(abottomRight.y() - atopLeft.y())
0633 {
0634 }
0635 
0636 constexpr inline QRectF::QRectF(const QRect &r) noexcept
0637     : xp(r.x()), yp(r.y()), w(r.width()), h(r.height())
0638 {
0639 }
0640 
0641 QT_WARNING_PUSH
0642 QT_WARNING_DISABLE_FLOAT_COMPARE
0643 
0644 constexpr inline bool QRectF::isNull() const noexcept
0645 { return w == 0. && h == 0.; }
0646 
0647 constexpr inline bool QRectF::isEmpty() const noexcept
0648 { return w <= 0. || h <= 0.; }
0649 
0650 QT_WARNING_POP
0651 
0652 constexpr inline bool QRectF::isValid() const noexcept
0653 { return w > 0. && h > 0.; }
0654 
0655 constexpr inline qreal QRectF::x() const noexcept
0656 { return xp; }
0657 
0658 constexpr inline qreal QRectF::y() const noexcept
0659 { return yp; }
0660 
0661 constexpr inline void QRectF::setLeft(qreal pos) noexcept
0662 { qreal diff = pos - xp; xp += diff; w -= diff; }
0663 
0664 constexpr inline void QRectF::setRight(qreal pos) noexcept
0665 { w = pos - xp; }
0666 
0667 constexpr inline void QRectF::setTop(qreal pos) noexcept
0668 { qreal diff = pos - yp; yp += diff; h -= diff; }
0669 
0670 constexpr inline void QRectF::setBottom(qreal pos) noexcept
0671 { h = pos - yp; }
0672 
0673 constexpr inline void QRectF::setTopLeft(const QPointF &p) noexcept
0674 { setLeft(p.x()); setTop(p.y()); }
0675 
0676 constexpr inline void QRectF::setTopRight(const QPointF &p) noexcept
0677 { setRight(p.x()); setTop(p.y()); }
0678 
0679 constexpr inline void QRectF::setBottomLeft(const QPointF &p) noexcept
0680 { setLeft(p.x()); setBottom(p.y()); }
0681 
0682 constexpr inline void QRectF::setBottomRight(const QPointF &p) noexcept
0683 { setRight(p.x()); setBottom(p.y()); }
0684 
0685 constexpr inline QPointF QRectF::center() const noexcept
0686 { return QPointF(xp + w/2, yp + h/2); }
0687 
0688 constexpr inline void QRectF::moveLeft(qreal pos) noexcept
0689 { xp = pos; }
0690 
0691 constexpr inline void QRectF::moveTop(qreal pos) noexcept
0692 { yp = pos; }
0693 
0694 constexpr inline void QRectF::moveRight(qreal pos) noexcept
0695 { xp = pos - w; }
0696 
0697 constexpr inline void QRectF::moveBottom(qreal pos) noexcept
0698 { yp = pos - h; }
0699 
0700 constexpr inline void QRectF::moveTopLeft(const QPointF &p) noexcept
0701 { moveLeft(p.x()); moveTop(p.y()); }
0702 
0703 constexpr inline void QRectF::moveTopRight(const QPointF &p) noexcept
0704 { moveRight(p.x()); moveTop(p.y()); }
0705 
0706 constexpr inline void QRectF::moveBottomLeft(const QPointF &p) noexcept
0707 { moveLeft(p.x()); moveBottom(p.y()); }
0708 
0709 constexpr inline void QRectF::moveBottomRight(const QPointF &p) noexcept
0710 { moveRight(p.x()); moveBottom(p.y()); }
0711 
0712 constexpr inline void QRectF::moveCenter(const QPointF &p) noexcept
0713 { xp = p.x() - w/2; yp = p.y() - h/2; }
0714 
0715 constexpr inline qreal QRectF::width() const noexcept
0716 { return w; }
0717 
0718 constexpr inline qreal QRectF::height() const noexcept
0719 { return h; }
0720 
0721 constexpr inline QSizeF QRectF::size() const noexcept
0722 { return QSizeF(w, h); }
0723 
0724 constexpr inline void QRectF::translate(qreal dx, qreal dy) noexcept
0725 {
0726     xp += dx;
0727     yp += dy;
0728 }
0729 
0730 constexpr inline void QRectF::translate(const QPointF &p) noexcept
0731 {
0732     xp += p.x();
0733     yp += p.y();
0734 }
0735 
0736 constexpr inline void QRectF::moveTo(qreal ax, qreal ay) noexcept
0737 {
0738     xp = ax;
0739     yp = ay;
0740 }
0741 
0742 constexpr inline void QRectF::moveTo(const QPointF &p) noexcept
0743 {
0744     xp = p.x();
0745     yp = p.y();
0746 }
0747 
0748 constexpr inline QRectF QRectF::translated(qreal dx, qreal dy) const noexcept
0749 {
0750     return QRectF(xp + dx, yp + dy, w, h);
0751 }
0752 
0753 constexpr inline QRectF QRectF::translated(const QPointF &p) const noexcept
0754 { return QRectF(xp + p.x(), yp + p.y(), w, h); }
0755 
0756 constexpr inline QRectF QRectF::transposed() const noexcept
0757 { return QRectF(topLeft(), size().transposed()); }
0758 
0759 constexpr inline void QRectF::getRect(qreal *ax, qreal *ay, qreal *aaw, qreal *aah) const
0760 {
0761     *ax = this->xp;
0762     *ay = this->yp;
0763     *aaw = this->w;
0764     *aah = this->h;
0765 }
0766 
0767 constexpr inline void QRectF::setRect(qreal ax, qreal ay, qreal aaw, qreal aah) noexcept
0768 {
0769     this->xp = ax;
0770     this->yp = ay;
0771     this->w = aaw;
0772     this->h = aah;
0773 }
0774 
0775 constexpr inline void QRectF::getCoords(qreal *xp1, qreal *yp1, qreal *xp2, qreal *yp2) const
0776 {
0777     *xp1 = xp;
0778     *yp1 = yp;
0779     *xp2 = xp + w;
0780     *yp2 = yp + h;
0781 }
0782 
0783 constexpr inline void QRectF::setCoords(qreal xp1, qreal yp1, qreal xp2, qreal yp2) noexcept
0784 {
0785     xp = xp1;
0786     yp = yp1;
0787     w = xp2 - xp1;
0788     h = yp2 - yp1;
0789 }
0790 
0791 constexpr inline void QRectF::adjust(qreal xp1, qreal yp1, qreal xp2, qreal yp2) noexcept
0792 {
0793     xp += xp1;
0794     yp += yp1;
0795     w += xp2 - xp1;
0796     h += yp2 - yp1;
0797 }
0798 
0799 constexpr inline QRectF QRectF::adjusted(qreal xp1, qreal yp1, qreal xp2, qreal yp2) const noexcept
0800 {
0801     return QRectF(xp + xp1, yp + yp1, w + xp2 - xp1, h + yp2 - yp1);
0802 }
0803 
0804 constexpr inline void QRectF::setWidth(qreal aw) noexcept
0805 { this->w = aw; }
0806 
0807 constexpr inline void QRectF::setHeight(qreal ah) noexcept
0808 { this->h = ah; }
0809 
0810 constexpr inline void QRectF::setSize(const QSizeF &s) noexcept
0811 {
0812     w = s.width();
0813     h = s.height();
0814 }
0815 
0816 inline bool QRectF::contains(qreal ax, qreal ay) const noexcept
0817 {
0818     return contains(QPointF(ax, ay));
0819 }
0820 
0821 inline QRectF &QRectF::operator|=(const QRectF &r) noexcept
0822 {
0823     *this = *this | r;
0824     return *this;
0825 }
0826 
0827 inline QRectF &QRectF::operator&=(const QRectF &r) noexcept
0828 {
0829     *this = *this & r;
0830     return *this;
0831 }
0832 
0833 inline QRectF QRectF::intersected(const QRectF &r) const noexcept
0834 {
0835     return *this & r;
0836 }
0837 
0838 inline QRectF QRectF::united(const QRectF &r) const noexcept
0839 {
0840     return *this | r;
0841 }
0842 
0843 constexpr QRectF QRect::toRectF() const noexcept { return *this; }
0844 
0845 constexpr inline QRect QRectF::toRect() const noexcept
0846 {
0847     // This rounding is designed to minimize the maximum possible difference
0848     // in topLeft(), bottomRight(), and size() after rounding.
0849     // All dimensions are at most off by 0.75, and topLeft by at most 0.5.
0850     const int nxp = qRound(xp);
0851     const int nyp = qRound(yp);
0852     const int nw = qRound(w + (xp - nxp) / 2);
0853     const int nh = qRound(h + (yp - nyp) / 2);
0854     return QRect(nxp, nyp, nw, nh);
0855 }
0856 
0857 constexpr inline QRectF operator+(const QRectF &lhs, const QMarginsF &rhs) noexcept
0858 {
0859     return QRectF(QPointF(lhs.left() - rhs.left(), lhs.top() - rhs.top()),
0860                   QSizeF(lhs.width() + rhs.left() + rhs.right(), lhs.height() + rhs.top() + rhs.bottom()));
0861 }
0862 
0863 constexpr inline QRectF operator+(const QMarginsF &lhs, const QRectF &rhs) noexcept
0864 {
0865     return QRectF(QPointF(rhs.left() - lhs.left(), rhs.top() - lhs.top()),
0866                   QSizeF(rhs.width() + lhs.left() + lhs.right(), rhs.height() + lhs.top() + lhs.bottom()));
0867 }
0868 
0869 constexpr inline QRectF operator-(const QRectF &lhs, const QMarginsF &rhs) noexcept
0870 {
0871     return QRectF(QPointF(lhs.left() + rhs.left(), lhs.top() + rhs.top()),
0872                   QSizeF(lhs.width() - rhs.left() - rhs.right(), lhs.height() - rhs.top() - rhs.bottom()));
0873 }
0874 
0875 constexpr inline QRectF QRectF::marginsAdded(const QMarginsF &margins) const noexcept
0876 {
0877     return QRectF(QPointF(xp - margins.left(), yp - margins.top()),
0878                   QSizeF(w + margins.left() + margins.right(), h + margins.top() + margins.bottom()));
0879 }
0880 
0881 constexpr inline QRectF QRectF::marginsRemoved(const QMarginsF &margins) const noexcept
0882 {
0883     return QRectF(QPointF(xp + margins.left(), yp + margins.top()),
0884                   QSizeF(w - margins.left() - margins.right(), h - margins.top() - margins.bottom()));
0885 }
0886 
0887 constexpr inline QRectF &QRectF::operator+=(const QMarginsF &margins) noexcept
0888 {
0889     *this = marginsAdded(margins);
0890     return *this;
0891 }
0892 
0893 constexpr inline QRectF &QRectF::operator-=(const QMarginsF &margins) noexcept
0894 {
0895     *this = marginsRemoved(margins);
0896     return *this;
0897 }
0898 
0899 #ifndef QT_NO_DEBUG_STREAM
0900 Q_CORE_EXPORT QDebug operator<<(QDebug, const QRectF &);
0901 #endif
0902 
0903 QT_END_NAMESPACE
0904 
0905 #endif // QRECT_H
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