1// Copyright (C) 2022 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QRECT_H
5#define QRECT_H
6
7#include <QtCore/qhashfunctions.h>
8#include <QtCore/qmargins.h>
9#include <QtCore/qsize.h>
10#include <QtCore/qpoint.h>
11
12#ifdef topLeft
13#error qrect.h must be included before any header file that defines topLeft
14#endif
15
16#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
17struct CGRect;
18#endif
19#if defined(Q_OS_WASM) || defined(Q_QDOC)
20namespace emscripten {
21class val;
22}
23#endif
24
25QT_BEGIN_NAMESPACE
26
27class QRectF;
28
29class Q_CORE_EXPORT QRect
30{
31public:
32 constexpr QRect() noexcept : x1(0), y1(0), x2(-1), y2(-1) {}
33 constexpr QRect(const QPoint &topleft, const QPoint &bottomright) noexcept;
34 constexpr QRect(const QPoint &topleft, const QSize &size) noexcept;
35 constexpr QRect(int left, int top, int width, int height) noexcept;
36
37 constexpr inline bool isNull() const noexcept;
38 constexpr inline bool isEmpty() const noexcept;
39 constexpr inline bool isValid() const noexcept;
40
41 constexpr inline int left() const noexcept;
42 constexpr inline int top() const noexcept;
43 constexpr inline int right() const noexcept;
44 constexpr inline int bottom() const noexcept;
45 [[nodiscard]] QRect normalized() const noexcept;
46
47 constexpr inline int x() const noexcept;
48 constexpr inline int y() const noexcept;
49 constexpr inline void setLeft(int pos) noexcept;
50 constexpr inline void setTop(int pos) noexcept;
51 constexpr inline void setRight(int pos) noexcept;
52 constexpr inline void setBottom(int pos) noexcept;
53 constexpr inline void setX(int x) noexcept;
54 constexpr inline void setY(int y) noexcept;
55
56 constexpr inline void setTopLeft(const QPoint &p) noexcept;
57 constexpr inline void setBottomRight(const QPoint &p) noexcept;
58 constexpr inline void setTopRight(const QPoint &p) noexcept;
59 constexpr inline void setBottomLeft(const QPoint &p) noexcept;
60
61 constexpr inline QPoint topLeft() const noexcept;
62 constexpr inline QPoint bottomRight() const noexcept;
63 constexpr inline QPoint topRight() const noexcept;
64 constexpr inline QPoint bottomLeft() const noexcept;
65 constexpr inline QPoint center() const noexcept;
66
67 constexpr inline void moveLeft(int pos) noexcept;
68 constexpr inline void moveTop(int pos) noexcept;
69 constexpr inline void moveRight(int pos) noexcept;
70 constexpr inline void moveBottom(int pos) noexcept;
71 constexpr inline void moveTopLeft(const QPoint &p) noexcept;
72 constexpr inline void moveBottomRight(const QPoint &p) noexcept;
73 constexpr inline void moveTopRight(const QPoint &p) noexcept;
74 constexpr inline void moveBottomLeft(const QPoint &p) noexcept;
75 constexpr inline void moveCenter(const QPoint &p) noexcept;
76
77 constexpr inline void translate(int dx, int dy) noexcept;
78 constexpr inline void translate(const QPoint &p) noexcept;
79 [[nodiscard]] constexpr inline QRect translated(int dx, int dy) const noexcept;
80 [[nodiscard]] constexpr inline QRect translated(const QPoint &p) const noexcept;
81 [[nodiscard]] constexpr inline QRect transposed() const noexcept;
82
83 constexpr inline void moveTo(int x, int t) noexcept;
84 constexpr inline void moveTo(const QPoint &p) noexcept;
85
86 constexpr inline void setRect(int x, int y, int w, int h) noexcept;
87 constexpr inline void getRect(int *x, int *y, int *w, int *h) const;
88
89 constexpr inline void setCoords(int x1, int y1, int x2, int y2) noexcept;
90 constexpr inline void getCoords(int *x1, int *y1, int *x2, int *y2) const;
91
92 constexpr inline void adjust(int x1, int y1, int x2, int y2) noexcept;
93 [[nodiscard]] constexpr inline QRect adjusted(int x1, int y1, int x2, int y2) const noexcept;
94
95 constexpr inline QSize size() const noexcept;
96 constexpr inline int width() const noexcept;
97 constexpr inline int height() const noexcept;
98 constexpr inline void setWidth(int w) noexcept;
99 constexpr inline void setHeight(int h) noexcept;
100 constexpr inline void setSize(const QSize &s) noexcept;
101
102 QRect operator|(const QRect &r) const noexcept;
103 QRect operator&(const QRect &r) const noexcept;
104 inline QRect &operator|=(const QRect &r) noexcept;
105 inline QRect &operator&=(const QRect &r) noexcept;
106
107 bool contains(const QRect &r, bool proper = false) const noexcept;
108 bool contains(const QPoint &p, bool proper = false) const noexcept;
109 inline bool contains(int x, int y) const noexcept;
110 inline bool contains(int x, int y, bool proper) const noexcept;
111 [[nodiscard]] inline QRect united(const QRect &other) const noexcept;
112 [[nodiscard]] inline QRect intersected(const QRect &other) const noexcept;
113 bool intersects(const QRect &r) const noexcept;
114
115 constexpr inline QRect marginsAdded(const QMargins &margins) const noexcept;
116 constexpr inline QRect marginsRemoved(const QMargins &margins) const noexcept;
117 constexpr inline QRect &operator+=(const QMargins &margins) noexcept;
118 constexpr inline QRect &operator-=(const QMargins &margins) noexcept;
119
120 [[nodiscard]] static constexpr inline QRect span(const QPoint &p1, const QPoint &p2) noexcept;
121
122private:
123 friend constexpr bool comparesEqual(const QRect &r1, const QRect &r2) noexcept
124 { return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2; }
125 Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QRect)
126 friend constexpr inline size_t qHash(const QRect &, size_t) noexcept;
127
128public:
129#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
130 [[nodiscard]] CGRect toCGRect() const noexcept;
131#endif
132 [[nodiscard]] constexpr inline QRectF toRectF() const noexcept;
133
134private:
135 int x1;
136 int y1;
137 int x2;
138 int y2;
139};
140Q_DECLARE_TYPEINFO(QRect, Q_RELOCATABLE_TYPE);
141
142
143/*****************************************************************************
144 QRect stream functions
145 *****************************************************************************/
146#ifndef QT_NO_DATASTREAM
147Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRect &);
148Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRect &);
149#endif
150
151/*****************************************************************************
152 QRect inline member functions
153 *****************************************************************************/
154
155constexpr inline QRect::QRect(int aleft, int atop, int awidth, int aheight) noexcept
156 : x1(aleft), y1(atop), x2(aleft + awidth - 1), y2(atop + aheight - 1) {}
157
158constexpr inline QRect::QRect(const QPoint &atopLeft, const QPoint &abottomRight) noexcept
159 : x1(atopLeft.x()), y1(atopLeft.y()), x2(abottomRight.x()), y2(abottomRight.y()) {}
160
161constexpr inline QRect::QRect(const QPoint &atopLeft, const QSize &asize) noexcept
162 : x1(atopLeft.x()), y1(atopLeft.y()), x2(atopLeft.x()+asize.width() - 1), y2(atopLeft.y()+asize.height() - 1) {}
163
164constexpr inline bool QRect::isNull() const noexcept
165{ return x2 == x1 - 1 && y2 == y1 - 1; }
166
167constexpr inline bool QRect::isEmpty() const noexcept
168{ return x1 > x2 || y1 > y2; }
169
170constexpr inline bool QRect::isValid() const noexcept
171{ return x1 <= x2 && y1 <= y2; }
172
173constexpr inline int QRect::left() const noexcept
174{ return x1; }
175
176constexpr inline int QRect::top() const noexcept
177{ return y1; }
178
179constexpr inline int QRect::right() const noexcept
180{ return x2; }
181
182constexpr inline int QRect::bottom() const noexcept
183{ return y2; }
184
185constexpr inline int QRect::x() const noexcept
186{ return x1; }
187
188constexpr inline int QRect::y() const noexcept
189{ return y1; }
190
191constexpr inline void QRect::setLeft(int pos) noexcept
192{ x1 = pos; }
193
194constexpr inline void QRect::setTop(int pos) noexcept
195{ y1 = pos; }
196
197constexpr inline void QRect::setRight(int pos) noexcept
198{ x2 = pos; }
199
200constexpr inline void QRect::setBottom(int pos) noexcept
201{ y2 = pos; }
202
203constexpr inline void QRect::setTopLeft(const QPoint &p) noexcept
204{ x1 = p.x(); y1 = p.y(); }
205
206constexpr inline void QRect::setBottomRight(const QPoint &p) noexcept
207{ x2 = p.x(); y2 = p.y(); }
208
209constexpr inline void QRect::setTopRight(const QPoint &p) noexcept
210{ x2 = p.x(); y1 = p.y(); }
211
212constexpr inline void QRect::setBottomLeft(const QPoint &p) noexcept
213{ x1 = p.x(); y2 = p.y(); }
214
215constexpr inline void QRect::setX(int ax) noexcept
216{ x1 = ax; }
217
218constexpr inline void QRect::setY(int ay) noexcept
219{ y1 = ay; }
220
221constexpr inline QPoint QRect::topLeft() const noexcept
222{ return QPoint(x1, y1); }
223
224constexpr inline QPoint QRect::bottomRight() const noexcept
225{ return QPoint(x2, y2); }
226
227constexpr inline QPoint QRect::topRight() const noexcept
228{ return QPoint(x2, y1); }
229
230constexpr inline QPoint QRect::bottomLeft() const noexcept
231{ return QPoint(x1, y2); }
232
233constexpr inline QPoint QRect::center() const noexcept
234{ return QPoint(int((qint64(x1)+x2)/2), int((qint64(y1)+y2)/2)); } // cast avoids overflow on addition
235
236constexpr inline int QRect::width() const noexcept
237{ return x2 - x1 + 1; }
238
239constexpr inline int QRect::height() const noexcept
240{ return y2 - y1 + 1; }
241
242constexpr inline QSize QRect::size() const noexcept
243{ return QSize(width(), height()); }
244
245constexpr inline void QRect::translate(int dx, int dy) noexcept
246{
247 x1 += dx;
248 y1 += dy;
249 x2 += dx;
250 y2 += dy;
251}
252
253constexpr inline void QRect::translate(const QPoint &p) noexcept
254{
255 x1 += p.x();
256 y1 += p.y();
257 x2 += p.x();
258 y2 += p.y();
259}
260
261constexpr inline QRect QRect::translated(int dx, int dy) const noexcept
262{ return QRect(QPoint(x1 + dx, y1 + dy), QPoint(x2 + dx, y2 + dy)); }
263
264constexpr inline QRect QRect::translated(const QPoint &p) const noexcept
265{ return QRect(QPoint(x1 + p.x(), y1 + p.y()), QPoint(x2 + p.x(), y2 + p.y())); }
266
267constexpr inline QRect QRect::transposed() const noexcept
268{ return QRect(topLeft(), size().transposed()); }
269
270constexpr inline void QRect::moveTo(int ax, int ay) noexcept
271{
272 x2 += ax - x1;
273 y2 += ay - y1;
274 x1 = ax;
275 y1 = ay;
276}
277
278constexpr inline void QRect::moveTo(const QPoint &p) noexcept
279{
280 x2 += p.x() - x1;
281 y2 += p.y() - y1;
282 x1 = p.x();
283 y1 = p.y();
284}
285
286constexpr inline void QRect::moveLeft(int pos) noexcept
287{ x2 += (pos - x1); x1 = pos; }
288
289constexpr inline void QRect::moveTop(int pos) noexcept
290{ y2 += (pos - y1); y1 = pos; }
291
292constexpr inline void QRect::moveRight(int pos) noexcept
293{
294 x1 += (pos - x2);
295 x2 = pos;
296}
297
298constexpr inline void QRect::moveBottom(int pos) noexcept
299{
300 y1 += (pos - y2);
301 y2 = pos;
302}
303
304constexpr inline void QRect::moveTopLeft(const QPoint &p) noexcept
305{
306 moveLeft(pos: p.x());
307 moveTop(pos: p.y());
308}
309
310constexpr inline void QRect::moveBottomRight(const QPoint &p) noexcept
311{
312 moveRight(pos: p.x());
313 moveBottom(pos: p.y());
314}
315
316constexpr inline void QRect::moveTopRight(const QPoint &p) noexcept
317{
318 moveRight(pos: p.x());
319 moveTop(pos: p.y());
320}
321
322constexpr inline void QRect::moveBottomLeft(const QPoint &p) noexcept
323{
324 moveLeft(pos: p.x());
325 moveBottom(pos: p.y());
326}
327
328constexpr inline void QRect::moveCenter(const QPoint &p) noexcept
329{
330 int w = x2 - x1;
331 int h = y2 - y1;
332 x1 = p.x() - w/2;
333 y1 = p.y() - h/2;
334 x2 = x1 + w;
335 y2 = y1 + h;
336}
337
338constexpr inline void QRect::getRect(int *ax, int *ay, int *aw, int *ah) const
339{
340 *ax = x1;
341 *ay = y1;
342 *aw = x2 - x1 + 1;
343 *ah = y2 - y1 + 1;
344}
345
346constexpr inline void QRect::setRect(int ax, int ay, int aw, int ah) noexcept
347{
348 x1 = ax;
349 y1 = ay;
350 x2 = (ax + aw - 1);
351 y2 = (ay + ah - 1);
352}
353
354constexpr inline void QRect::getCoords(int *xp1, int *yp1, int *xp2, int *yp2) const
355{
356 *xp1 = x1;
357 *yp1 = y1;
358 *xp2 = x2;
359 *yp2 = y2;
360}
361
362constexpr inline void QRect::setCoords(int xp1, int yp1, int xp2, int yp2) noexcept
363{
364 x1 = xp1;
365 y1 = yp1;
366 x2 = xp2;
367 y2 = yp2;
368}
369
370constexpr inline QRect QRect::adjusted(int xp1, int yp1, int xp2, int yp2) const noexcept
371{ return QRect(QPoint(x1 + xp1, y1 + yp1), QPoint(x2 + xp2, y2 + yp2)); }
372
373constexpr inline void QRect::adjust(int dx1, int dy1, int dx2, int dy2) noexcept
374{
375 x1 += dx1;
376 y1 += dy1;
377 x2 += dx2;
378 y2 += dy2;
379}
380
381constexpr inline void QRect::setWidth(int w) noexcept
382{ x2 = (x1 + w - 1); }
383
384constexpr inline void QRect::setHeight(int h) noexcept
385{ y2 = (y1 + h - 1); }
386
387constexpr inline void QRect::setSize(const QSize &s) noexcept
388{
389 x2 = (s.width() + x1 - 1);
390 y2 = (s.height() + y1 - 1);
391}
392
393inline bool QRect::contains(int ax, int ay, bool aproper) const noexcept
394{
395 return contains(p: QPoint(ax, ay), proper: aproper);
396}
397
398inline bool QRect::contains(int ax, int ay) const noexcept
399{
400 return contains(p: QPoint(ax, ay), proper: false);
401}
402
403inline QRect &QRect::operator|=(const QRect &r) noexcept
404{
405 *this = *this | r;
406 return *this;
407}
408
409inline QRect &QRect::operator&=(const QRect &r) noexcept
410{
411 *this = *this & r;
412 return *this;
413}
414
415inline QRect QRect::intersected(const QRect &other) const noexcept
416{
417 return *this & other;
418}
419
420inline QRect QRect::united(const QRect &r) const noexcept
421{
422 return *this | r;
423}
424
425constexpr inline size_t qHash(const QRect &r, size_t seed = 0) noexcept
426{
427 return qHashMulti(seed, args: r.x1, args: r.x2, args: r.y1, args: r.y2);
428}
429
430constexpr inline QRect operator+(const QRect &rectangle, const QMargins &margins) noexcept
431{
432 return QRect(QPoint(rectangle.left() - margins.left(), rectangle.top() - margins.top()),
433 QPoint(rectangle.right() + margins.right(), rectangle.bottom() + margins.bottom()));
434}
435
436constexpr inline QRect operator+(const QMargins &margins, const QRect &rectangle) noexcept
437{
438 return QRect(QPoint(rectangle.left() - margins.left(), rectangle.top() - margins.top()),
439 QPoint(rectangle.right() + margins.right(), rectangle.bottom() + margins.bottom()));
440}
441
442constexpr inline QRect operator-(const QRect &lhs, const QMargins &rhs) noexcept
443{
444 return QRect(QPoint(lhs.left() + rhs.left(), lhs.top() + rhs.top()),
445 QPoint(lhs.right() - rhs.right(), lhs.bottom() - rhs.bottom()));
446}
447
448constexpr inline QRect QRect::marginsAdded(const QMargins &margins) const noexcept
449{
450 return QRect(QPoint(x1 - margins.left(), y1 - margins.top()),
451 QPoint(x2 + margins.right(), y2 + margins.bottom()));
452}
453
454constexpr inline QRect QRect::marginsRemoved(const QMargins &margins) const noexcept
455{
456 return QRect(QPoint(x1 + margins.left(), y1 + margins.top()),
457 QPoint(x2 - margins.right(), y2 - margins.bottom()));
458}
459
460constexpr inline QRect &QRect::operator+=(const QMargins &margins) noexcept
461{
462 *this = marginsAdded(margins);
463 return *this;
464}
465
466constexpr inline QRect &QRect::operator-=(const QMargins &margins) noexcept
467{
468 *this = marginsRemoved(margins);
469 return *this;
470}
471
472constexpr QRect QRect::span(const QPoint &p1, const QPoint &p2) noexcept
473{
474 return QRect(QPoint(qMin(a: p1.x(), b: p2.x()), qMin(a: p1.y(), b: p2.y())),
475 QPoint(qMax(a: p1.x(), b: p2.x()), qMax(a: p1.y(), b: p2.y())));
476}
477
478#ifndef QT_NO_DEBUG_STREAM
479Q_CORE_EXPORT QDebug operator<<(QDebug, const QRect &);
480#endif
481
482
483class Q_CORE_EXPORT QRectF
484{
485public:
486 constexpr QRectF() noexcept : xp(0.), yp(0.), w(0.), h(0.) {}
487 constexpr QRectF(const QPointF &topleft, const QSizeF &size) noexcept;
488 constexpr QRectF(const QPointF &topleft, const QPointF &bottomRight) noexcept;
489 constexpr QRectF(qreal left, qreal top, qreal width, qreal height) noexcept;
490 constexpr QRectF(const QRect &rect) noexcept;
491
492 constexpr inline bool isNull() const noexcept;
493 constexpr inline bool isEmpty() const noexcept;
494 constexpr inline bool isValid() const noexcept;
495 [[nodiscard]] QRectF normalized() const noexcept;
496
497 constexpr inline qreal left() const noexcept { return xp; }
498 constexpr inline qreal top() const noexcept { return yp; }
499 constexpr inline qreal right() const noexcept { return xp + w; }
500 constexpr inline qreal bottom() const noexcept { return yp + h; }
501
502 constexpr inline qreal x() const noexcept;
503 constexpr inline qreal y() const noexcept;
504 constexpr inline void setLeft(qreal pos) noexcept;
505 constexpr inline void setTop(qreal pos) noexcept;
506 constexpr inline void setRight(qreal pos) noexcept;
507 constexpr inline void setBottom(qreal pos) noexcept;
508 constexpr inline void setX(qreal pos) noexcept { setLeft(pos); }
509 constexpr inline void setY(qreal pos) noexcept { setTop(pos); }
510
511 constexpr inline QPointF topLeft() const noexcept { return QPointF(xp, yp); }
512 constexpr inline QPointF bottomRight() const noexcept { return QPointF(xp+w, yp+h); }
513 constexpr inline QPointF topRight() const noexcept { return QPointF(xp+w, yp); }
514 constexpr inline QPointF bottomLeft() const noexcept { return QPointF(xp, yp+h); }
515 constexpr inline QPointF center() const noexcept;
516
517 constexpr inline void setTopLeft(const QPointF &p) noexcept;
518 constexpr inline void setBottomRight(const QPointF &p) noexcept;
519 constexpr inline void setTopRight(const QPointF &p) noexcept;
520 constexpr inline void setBottomLeft(const QPointF &p) noexcept;
521
522 constexpr inline void moveLeft(qreal pos) noexcept;
523 constexpr inline void moveTop(qreal pos) noexcept;
524 constexpr inline void moveRight(qreal pos) noexcept;
525 constexpr inline void moveBottom(qreal pos) noexcept;
526 constexpr inline void moveTopLeft(const QPointF &p) noexcept;
527 constexpr inline void moveBottomRight(const QPointF &p) noexcept;
528 constexpr inline void moveTopRight(const QPointF &p) noexcept;
529 constexpr inline void moveBottomLeft(const QPointF &p) noexcept;
530 constexpr inline void moveCenter(const QPointF &p) noexcept;
531
532 constexpr inline void translate(qreal dx, qreal dy) noexcept;
533 constexpr inline void translate(const QPointF &p) noexcept;
534
535 [[nodiscard]] constexpr inline QRectF translated(qreal dx, qreal dy) const noexcept;
536 [[nodiscard]] constexpr inline QRectF translated(const QPointF &p) const noexcept;
537
538 [[nodiscard]] constexpr inline QRectF transposed() const noexcept;
539
540 constexpr inline void moveTo(qreal x, qreal y) noexcept;
541 constexpr inline void moveTo(const QPointF &p) noexcept;
542
543 constexpr inline void setRect(qreal x, qreal y, qreal w, qreal h) noexcept;
544 constexpr inline void getRect(qreal *x, qreal *y, qreal *w, qreal *h) const;
545
546 constexpr inline void setCoords(qreal x1, qreal y1, qreal x2, qreal y2) noexcept;
547 constexpr inline void getCoords(qreal *x1, qreal *y1, qreal *x2, qreal *y2) const;
548
549 constexpr inline void adjust(qreal x1, qreal y1, qreal x2, qreal y2) noexcept;
550 [[nodiscard]] constexpr inline QRectF adjusted(qreal x1, qreal y1, qreal x2, qreal y2) const noexcept;
551
552 constexpr inline QSizeF size() const noexcept;
553 constexpr inline qreal width() const noexcept;
554 constexpr inline qreal height() const noexcept;
555 constexpr inline void setWidth(qreal w) noexcept;
556 constexpr inline void setHeight(qreal h) noexcept;
557 constexpr inline void setSize(const QSizeF &s) noexcept;
558
559 QRectF operator|(const QRectF &r) const noexcept;
560 QRectF operator&(const QRectF &r) const noexcept;
561 inline QRectF &operator|=(const QRectF &r) noexcept;
562 inline QRectF &operator&=(const QRectF &r) noexcept;
563
564 bool contains(const QRectF &r) const noexcept;
565 bool contains(const QPointF &p) const noexcept;
566 inline bool contains(qreal x, qreal y) const noexcept;
567 [[nodiscard]] inline QRectF united(const QRectF &other) const noexcept;
568 [[nodiscard]] inline QRectF intersected(const QRectF &other) const noexcept;
569 bool intersects(const QRectF &r) const noexcept;
570
571 constexpr inline QRectF marginsAdded(const QMarginsF &margins) const noexcept;
572 constexpr inline QRectF marginsRemoved(const QMarginsF &margins) const noexcept;
573 constexpr inline QRectF &operator+=(const QMarginsF &margins) noexcept;
574 constexpr inline QRectF &operator-=(const QMarginsF &margins) noexcept;
575
576private:
577 friend constexpr bool comparesEqual(const QRectF &r1, const QRectF &r2) noexcept
578 {
579 return r1.topLeft() == r2.topLeft()
580 && r1.size() == r2.size();
581 }
582 Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QRectF)
583
584 friend constexpr bool comparesEqual(const QRectF &r1, const QRect &r2) noexcept
585 { return r1.topLeft() == r2.topLeft() && r1.size() == r2.size(); }
586 Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QRectF, QRect)
587
588 friend constexpr bool qFuzzyCompare(const QRectF &lhs, const QRectF &rhs) noexcept
589 {
590 return qFuzzyCompare(p1: lhs.topLeft(), p2: rhs.topLeft())
591 && qFuzzyCompare(p1: lhs.bottomRight(), p2: rhs.bottomRight());
592 }
593
594 friend constexpr bool qFuzzyIsNull(const QRectF &rect) noexcept
595 {
596 return qFuzzyIsNull(d: rect.w) && qFuzzyIsNull(d: rect.h);
597 }
598
599public:
600 [[nodiscard]] constexpr inline QRect toRect() const noexcept;
601 [[nodiscard]] QRect toAlignedRect() const noexcept;
602
603#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
604 [[nodiscard]] static QRectF fromCGRect(CGRect rect) noexcept;
605 [[nodiscard]] CGRect toCGRect() const noexcept;
606#endif
607
608#if defined(Q_OS_WASM) || defined(Q_QDOC)
609 [[nodiscard]] static QRectF fromDOMRect(emscripten::val domRect);
610 [[nodiscard]] emscripten::val toDOMRect() const;
611#endif
612
613private:
614 qreal xp;
615 qreal yp;
616 qreal w;
617 qreal h;
618};
619Q_DECLARE_TYPEINFO(QRectF, Q_RELOCATABLE_TYPE);
620
621
622/*****************************************************************************
623 QRectF stream functions
624 *****************************************************************************/
625#ifndef QT_NO_DATASTREAM
626Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QRectF &);
627Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QRectF &);
628#endif
629
630/*****************************************************************************
631 QRectF inline member functions
632 *****************************************************************************/
633
634constexpr inline QRectF::QRectF(qreal aleft, qreal atop, qreal awidth, qreal aheight) noexcept
635 : xp(aleft), yp(atop), w(awidth), h(aheight)
636{
637}
638
639constexpr inline QRectF::QRectF(const QPointF &atopLeft, const QSizeF &asize) noexcept
640 : xp(atopLeft.x()), yp(atopLeft.y()), w(asize.width()), h(asize.height())
641{
642}
643
644
645constexpr inline QRectF::QRectF(const QPointF &atopLeft, const QPointF &abottomRight) noexcept
646 : xp(atopLeft.x()), yp(atopLeft.y()), w(abottomRight.x() - atopLeft.x()), h(abottomRight.y() - atopLeft.y())
647{
648}
649
650constexpr inline QRectF::QRectF(const QRect &r) noexcept
651 : xp(r.x()), yp(r.y()), w(r.width()), h(r.height())
652{
653}
654
655QT_WARNING_PUSH
656QT_WARNING_DISABLE_FLOAT_COMPARE
657
658constexpr inline bool QRectF::isNull() const noexcept
659{ return w == 0. && h == 0.; }
660
661constexpr inline bool QRectF::isEmpty() const noexcept
662{ return w <= 0. || h <= 0.; }
663
664QT_WARNING_POP
665
666constexpr inline bool QRectF::isValid() const noexcept
667{ return w > 0. && h > 0.; }
668
669constexpr inline qreal QRectF::x() const noexcept
670{ return xp; }
671
672constexpr inline qreal QRectF::y() const noexcept
673{ return yp; }
674
675constexpr inline void QRectF::setLeft(qreal pos) noexcept
676{ qreal diff = pos - xp; xp += diff; w -= diff; }
677
678constexpr inline void QRectF::setRight(qreal pos) noexcept
679{ w = pos - xp; }
680
681constexpr inline void QRectF::setTop(qreal pos) noexcept
682{ qreal diff = pos - yp; yp += diff; h -= diff; }
683
684constexpr inline void QRectF::setBottom(qreal pos) noexcept
685{ h = pos - yp; }
686
687constexpr inline void QRectF::setTopLeft(const QPointF &p) noexcept
688{ setLeft(p.x()); setTop(p.y()); }
689
690constexpr inline void QRectF::setTopRight(const QPointF &p) noexcept
691{ setRight(p.x()); setTop(p.y()); }
692
693constexpr inline void QRectF::setBottomLeft(const QPointF &p) noexcept
694{ setLeft(p.x()); setBottom(p.y()); }
695
696constexpr inline void QRectF::setBottomRight(const QPointF &p) noexcept
697{ setRight(p.x()); setBottom(p.y()); }
698
699constexpr inline QPointF QRectF::center() const noexcept
700{ return QPointF(xp + w/2, yp + h/2); }
701
702constexpr inline void QRectF::moveLeft(qreal pos) noexcept
703{ xp = pos; }
704
705constexpr inline void QRectF::moveTop(qreal pos) noexcept
706{ yp = pos; }
707
708constexpr inline void QRectF::moveRight(qreal pos) noexcept
709{ xp = pos - w; }
710
711constexpr inline void QRectF::moveBottom(qreal pos) noexcept
712{ yp = pos - h; }
713
714constexpr inline void QRectF::moveTopLeft(const QPointF &p) noexcept
715{ moveLeft(pos: p.x()); moveTop(pos: p.y()); }
716
717constexpr inline void QRectF::moveTopRight(const QPointF &p) noexcept
718{ moveRight(pos: p.x()); moveTop(pos: p.y()); }
719
720constexpr inline void QRectF::moveBottomLeft(const QPointF &p) noexcept
721{ moveLeft(pos: p.x()); moveBottom(pos: p.y()); }
722
723constexpr inline void QRectF::moveBottomRight(const QPointF &p) noexcept
724{ moveRight(pos: p.x()); moveBottom(pos: p.y()); }
725
726constexpr inline void QRectF::moveCenter(const QPointF &p) noexcept
727{ xp = p.x() - w/2; yp = p.y() - h/2; }
728
729constexpr inline qreal QRectF::width() const noexcept
730{ return w; }
731
732constexpr inline qreal QRectF::height() const noexcept
733{ return h; }
734
735constexpr inline QSizeF QRectF::size() const noexcept
736{ return QSizeF(w, h); }
737
738constexpr inline void QRectF::translate(qreal dx, qreal dy) noexcept
739{
740 xp += dx;
741 yp += dy;
742}
743
744constexpr inline void QRectF::translate(const QPointF &p) noexcept
745{
746 xp += p.x();
747 yp += p.y();
748}
749
750constexpr inline void QRectF::moveTo(qreal ax, qreal ay) noexcept
751{
752 xp = ax;
753 yp = ay;
754}
755
756constexpr inline void QRectF::moveTo(const QPointF &p) noexcept
757{
758 xp = p.x();
759 yp = p.y();
760}
761
762constexpr inline QRectF QRectF::translated(qreal dx, qreal dy) const noexcept
763{
764 return QRectF(xp + dx, yp + dy, w, h);
765}
766
767constexpr inline QRectF QRectF::translated(const QPointF &p) const noexcept
768{ return QRectF(xp + p.x(), yp + p.y(), w, h); }
769
770constexpr inline QRectF QRectF::transposed() const noexcept
771{ return QRectF(topLeft(), size().transposed()); }
772
773constexpr inline void QRectF::getRect(qreal *ax, qreal *ay, qreal *aaw, qreal *aah) const
774{
775 *ax = this->xp;
776 *ay = this->yp;
777 *aaw = this->w;
778 *aah = this->h;
779}
780
781constexpr inline void QRectF::setRect(qreal ax, qreal ay, qreal aaw, qreal aah) noexcept
782{
783 this->xp = ax;
784 this->yp = ay;
785 this->w = aaw;
786 this->h = aah;
787}
788
789constexpr inline void QRectF::getCoords(qreal *xp1, qreal *yp1, qreal *xp2, qreal *yp2) const
790{
791 *xp1 = xp;
792 *yp1 = yp;
793 *xp2 = xp + w;
794 *yp2 = yp + h;
795}
796
797constexpr inline void QRectF::setCoords(qreal xp1, qreal yp1, qreal xp2, qreal yp2) noexcept
798{
799 xp = xp1;
800 yp = yp1;
801 w = xp2 - xp1;
802 h = yp2 - yp1;
803}
804
805constexpr inline void QRectF::adjust(qreal xp1, qreal yp1, qreal xp2, qreal yp2) noexcept
806{
807 xp += xp1;
808 yp += yp1;
809 w += xp2 - xp1;
810 h += yp2 - yp1;
811}
812
813constexpr inline QRectF QRectF::adjusted(qreal xp1, qreal yp1, qreal xp2, qreal yp2) const noexcept
814{
815 return QRectF(xp + xp1, yp + yp1, w + xp2 - xp1, h + yp2 - yp1);
816}
817
818constexpr inline void QRectF::setWidth(qreal aw) noexcept
819{ this->w = aw; }
820
821constexpr inline void QRectF::setHeight(qreal ah) noexcept
822{ this->h = ah; }
823
824constexpr inline void QRectF::setSize(const QSizeF &s) noexcept
825{
826 w = s.width();
827 h = s.height();
828}
829
830inline bool QRectF::contains(qreal ax, qreal ay) const noexcept
831{
832 return contains(p: QPointF(ax, ay));
833}
834
835inline QRectF &QRectF::operator|=(const QRectF &r) noexcept
836{
837 *this = *this | r;
838 return *this;
839}
840
841inline QRectF &QRectF::operator&=(const QRectF &r) noexcept
842{
843 *this = *this & r;
844 return *this;
845}
846
847inline QRectF QRectF::intersected(const QRectF &r) const noexcept
848{
849 return *this & r;
850}
851
852inline QRectF QRectF::united(const QRectF &r) const noexcept
853{
854 return *this | r;
855}
856
857constexpr QRectF QRect::toRectF() const noexcept { return *this; }
858
859constexpr inline QRect QRectF::toRect() const noexcept
860{
861 // This rounding is designed to minimize the maximum possible difference
862 // in topLeft(), bottomRight(), and size() after rounding.
863 // All dimensions are at most off by 0.75, and topLeft by at most 0.5.
864 const int nxp = qRound(d: xp);
865 const int nyp = qRound(d: yp);
866 const int nw = qRound(d: w + (xp - nxp) / 2);
867 const int nh = qRound(d: h + (yp - nyp) / 2);
868 return QRect(nxp, nyp, nw, nh);
869}
870
871constexpr inline QRectF operator+(const QRectF &lhs, const QMarginsF &rhs) noexcept
872{
873 return QRectF(QPointF(lhs.left() - rhs.left(), lhs.top() - rhs.top()),
874 QSizeF(lhs.width() + rhs.left() + rhs.right(), lhs.height() + rhs.top() + rhs.bottom()));
875}
876
877constexpr inline QRectF operator+(const QMarginsF &lhs, const QRectF &rhs) noexcept
878{
879 return QRectF(QPointF(rhs.left() - lhs.left(), rhs.top() - lhs.top()),
880 QSizeF(rhs.width() + lhs.left() + lhs.right(), rhs.height() + lhs.top() + lhs.bottom()));
881}
882
883constexpr inline QRectF operator-(const QRectF &lhs, const QMarginsF &rhs) noexcept
884{
885 return QRectF(QPointF(lhs.left() + rhs.left(), lhs.top() + rhs.top()),
886 QSizeF(lhs.width() - rhs.left() - rhs.right(), lhs.height() - rhs.top() - rhs.bottom()));
887}
888
889constexpr inline QRectF QRectF::marginsAdded(const QMarginsF &margins) const noexcept
890{
891 return QRectF(QPointF(xp - margins.left(), yp - margins.top()),
892 QSizeF(w + margins.left() + margins.right(), h + margins.top() + margins.bottom()));
893}
894
895constexpr inline QRectF QRectF::marginsRemoved(const QMarginsF &margins) const noexcept
896{
897 return QRectF(QPointF(xp + margins.left(), yp + margins.top()),
898 QSizeF(w - margins.left() - margins.right(), h - margins.top() - margins.bottom()));
899}
900
901constexpr inline QRectF &QRectF::operator+=(const QMarginsF &margins) noexcept
902{
903 *this = marginsAdded(margins);
904 return *this;
905}
906
907constexpr inline QRectF &QRectF::operator-=(const QMarginsF &margins) noexcept
908{
909 *this = marginsRemoved(margins);
910 return *this;
911}
912
913#ifndef QT_NO_DEBUG_STREAM
914Q_CORE_EXPORT QDebug operator<<(QDebug, const QRectF &);
915#endif
916
917QT_END_NAMESPACE
918
919#endif // QRECT_H
920

source code of qtbase/src/corelib/tools/qrect.h