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qmargins.cpp

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38****************************************************************************/-
39-
40#include "qmargins.h"-
41#include "qdatastream.h"-
42-
43#include <private/qdebug_p.h>-
44-
45QT_BEGIN_NAMESPACE-
46-
47/*!-
48 \class QMargins-
49 \inmodule QtCore-
50 \ingroup painting-
51 \since 4.6-
52-
53 \brief The QMargins class defines the four margins of a rectangle.-
54-
55 QMargin defines a set of four margins; left, top, right and bottom,-
56 that describe the size of the borders surrounding a rectangle.-
57-
58 The isNull() function returns \c true only if all margins are set to zero.-
59-
60 QMargin objects can be streamed as well as compared.-
61*/-
62-
63-
64/*****************************************************************************-
65 QMargins member functions-
66 *****************************************************************************/-
67-
68/*!-
69 \fn QMargins::QMargins()-
70-
71 Constructs a margins object with all margins set to 0.-
72-
73 \sa isNull()-
74*/-
75-
76/*!-
77 \fn QMargins::QMargins(int left, int top, int right, int bottom)-
78-
79 Constructs margins with the given \a left, \a top, \a right, \a bottom-
80-
81 \sa setLeft(), setRight(), setTop(), setBottom()-
82*/-
83-
84/*!-
85 \fn bool QMargins::isNull() const-
86-
87 Returns \c true if all margins are is 0; otherwise returns-
88 false.-
89*/-
90-
91-
92/*!-
93 \fn int QMargins::left() const-
94-
95 Returns the left margin.-
96-
97 \sa setLeft()-
98*/-
99-
100/*!-
101 \fn int QMargins::top() const-
102-
103 Returns the top margin.-
104-
105 \sa setTop()-
106*/-
107-
108/*!-
109 \fn int QMargins::right() const-
110-
111 Returns the right margin.-
112*/-
113-
114/*!-
115 \fn int QMargins::bottom() const-
116-
117 Returns the bottom margin.-
118*/-
119-
120-
121/*!-
122 \fn void QMargins::setLeft(int left)-
123-
124 Sets the left margin to \a left.-
125*/-
126-
127/*!-
128 \fn void QMargins::setTop(int Top)-
129-
130 Sets the Top margin to \a Top.-
131*/-
132-
133/*!-
134 \fn void QMargins::setRight(int right)-
135-
136 Sets the right margin to \a right.-
137*/-
138-
139/*!-
140 \fn void QMargins::setBottom(int bottom)-
141-
142 Sets the bottom margin to \a bottom.-
143*/-
144-
145/*!-
146 \fn bool operator==(const QMargins &m1, const QMargins &m2)-
147 \relates QMargins-
148-
149 Returns \c true if \a m1 and \a m2 are equal; otherwise returns \c false.-
150*/-
151-
152/*!-
153 \fn bool operator!=(const QMargins &m1, const QMargins &m2)-
154 \relates QMargins-
155-
156 Returns \c true if \a m1 and \a m2 are different; otherwise returns \c false.-
157*/-
158-
159/*!-
160 \fn const QMargins operator+(const QMargins &m1, const QMargins &m2)-
161 \relates QMargins-
162-
163 Returns a QMargins object that is the sum of the given margins, \a m1-
164 and \a m2; each component is added separately.-
165-
166 \sa QMargins::operator+=(), QMargins::operator-=()-
167-
168 \since 5.1-
169*/-
170-
171/*!-
172 \fn const QMargins operator-(const QMargins &m1, const QMargins &m2)-
173 \relates QMargins-
174-
175 Returns a QMargins object that is formed by subtracting \a m2 from-
176 \a m1; each component is subtracted separately.-
177-
178 \sa QMargins::operator+=(), QMargins::operator-=()-
179-
180 \since 5.1-
181*/-
182-
183/*!-
184 \fn const QMargins operator+(const QMargins &lhs, int rhs)-
185 \relates QMargins-
186-
187 Returns a QMargins object that is formed by adding \a rhs to-
188 \a lhs.-
189-
190 \sa QMargins::operator+=(), QMargins::operator-=()-
191-
192 \since 5.3-
193*/-
194-
195/*!-
196 \fn const QMargins operator+(int lhs, const QMargins &rhs)-
197 \relates QMargins-
198-
199 Returns a QMargins object that is formed by adding \a lhs to-
200 \a rhs.-
201-
202 \sa QMargins::operator+=(), QMargins::operator-=()-
203-
204 \since 5.3-
205*/-
206-
207/*!-
208 \fn const QMargins operator-(const QMargins &lhs, int rhs)-
209 \relates QMargins-
210-
211 Returns a QMargins object that is formed by subtracting \a rhs from-
212 \a lhs.-
213-
214 \sa QMargins::operator+=(), QMargins::operator-=()-
215-
216 \since 5.3-
217*/-
218-
219/*!-
220 \fn const QMargins operator*(const QMargins &margins, int factor)-
221 \relates QMargins-
222-
223 Returns a QMargins object that is formed by multiplying each component-
224 of the given \a margins by \a factor.-
225-
226 \sa QMargins::operator*=(), QMargins::operator/=()-
227-
228 \since 5.1-
229*/-
230-
231/*!-
232 \fn const QMargins operator*(int factor, const QMargins &margins)-
233 \relates QMargins-
234 \overload-
235-
236 Returns a QMargins object that is formed by multiplying each component-
237 of the given \a margins by \a factor.-
238-
239 \sa QMargins::operator*=(), QMargins::operator/=()-
240-
241 \since 5.1-
242*/-
243-
244/*!-
245 \fn const QMargins operator*(const QMargins &margins, qreal factor)-
246 \relates QMargins-
247 \overload-
248-
249 Returns a QMargins object that is formed by multiplying each component-
250 of the given \a margins by \a factor.-
251-
252 \sa QMargins::operator*=(), QMargins::operator/=()-
253-
254 \since 5.1-
255*/-
256-
257/*!-
258 \fn const QMargins operator*(qreal factor, const QMargins &margins)-
259 \relates QMargins-
260 \overload-
261-
262 Returns a QMargins object that is formed by multiplying each component-
263 of the given \a margins by \a factor.-
264-
265 \sa QMargins::operator*=(), QMargins::operator/=()-
266-
267 \since 5.1-
268*/-
269-
270/*!-
271 \fn const QMargins operator/(const QMargins &margins, int divisor)-
272 \relates QMargins-
273-
274 Returns a QMargins object that is formed by dividing the components of-
275 the given \a margins by the given \a divisor.-
276-
277 \sa QMargins::operator*=(), QMargins::operator/=()-
278-
279 \since 5.1-
280*/-
281-
282/*!-
283 \fn const QMargins operator/(const QMargins &, qreal)-
284 \relates QMargins-
285 \overload-
286-
287 Returns a QMargins object that is formed by dividing the components of-
288 the given \a margins by the given \a divisor.-
289-
290 \sa QMargins::operator*=(), QMargins::operator/=()-
291-
292 \since 5.1-
293*/-
294-
295/*!-
296 \fn QMargins operator+(const QMargins &margins)-
297 \relates QMargins-
298-
299 Returns a QMargin object that is formed from all components of \a margins.-
300-
301 \since 5.3-
302*/-
303-
304/*!-
305 \fn QMargins operator-(const QMargins &margins)-
306 \relates QMargins-
307-
308 Returns a QMargin object that is formed by negating all components of \a margins.-
309-
310 \since 5.1-
311*/-
312-
313/*!-
314 \fn QMargins &QMargins::operator+=(const QMargins &margins)-
315-
316 Add each component of \a margins to the respective component of this object-
317 and returns a reference to it.-
318-
319 \sa operator-=()-
320-
321 \since 5.1-
322*/-
323-
324/*!-
325 \fn QMargins &QMargins::operator-=(const QMargins &margins)-
326-
327 Subtract each component of \a margins from the respective component of this object-
328 and returns a reference to it.-
329-
330 \sa operator+=()-
331-
332 \since 5.1-
333*/-
334-
335/*!-
336 \fn QMargins &QMargins::operator+=(int addend)-
337 \overload-
338-
339 Adds the \a addend to each component of this object-
340 and returns a reference to it.-
341-
342 \sa operator-=()-
343*/-
344-
345/*!-
346 \fn QMargins &QMargins::operator-=(int subtrahend)-
347 \overload-
348-
349 Subtracts the \a subtrahend from each component of this object-
350 and returns a reference to it.-
351-
352 \sa operator+=()-
353*/-
354-
355/*!-
356 \fn QMargins &QMargins::operator*=(int factor)-
357-
358 Multiplies each component of this object by \a factor-
359 and returns a reference to it.-
360-
361 \sa operator/=()-
362-
363 \since 5.1-
364*/-
365-
366/*!-
367 \fn QMargins &QMargins::operator*=(qreal factor)-
368 \overload-
369-
370 Multiplies each component of this object by \a factor-
371 and returns a reference to it.-
372-
373 \sa operator/=()-
374-
375 \since 5.1-
376*/-
377-
378/*!-
379 \fn QMargins &QMargins::operator/=(int divisor)-
380-
381 Divides each component of this object by \a divisor-
382 and returns a reference to it.-
383-
384 \sa operator*=()-
385-
386 \since 5.1-
387*/-
388-
389/*!-
390 \fn QMargins &QMargins::operator/=(qreal divisor)-
391-
392 \overload-
393-
394 \sa operator*=()-
395-
396 \since 5.1-
397*/-
398-
399/*****************************************************************************-
400 QMargins stream functions-
401 *****************************************************************************/-
402#ifndef QT_NO_DATASTREAM-
403/*!-
404 \fn QDataStream &operator<<(QDataStream &stream, const QMargins &m)-
405 \relates QMargins-
406-
407 Writes margin \a m to the given \a stream and returns a-
408 reference to the stream.-
409-
410 \sa {Serializing Qt Data Types}-
411*/-
412-
413QDataStream &operator<<(QDataStream &s, const QMargins &m)-
414{-
415 s << m.left() << m.top() << m.right() << m.bottom();-
416 return s;
executed 1 time by 1 test: return s;
Executed by:
  • tst_QMargins
1
417}-
418-
419/*!-
420 \fn QDataStream &operator>>(QDataStream &stream, QMargins &m)-
421 \relates QMargins-
422-
423 Reads a margin from the given \a stream into margin \a m-
424 and returns a reference to the stream.-
425-
426 \sa {Serializing Qt Data Types}-
427*/-
428-
429QDataStream &operator>>(QDataStream &s, QMargins &m)-
430{-
431 int left, top, right, bottom;-
432 s >> left; m.setLeft(left);-
433 s >> top; m.setTop(top);-
434 s >> right; m.setRight(right);-
435 s >> bottom; m.setBottom(bottom);-
436 return s;
executed 1 time by 1 test: return s;
Executed by:
  • tst_QMargins
1
437}-
438#endif // QT_NO_DATASTREAM-
439-
440#ifndef QT_NO_DEBUG_STREAM-
441QDebug operator<<(QDebug dbg, const QMargins &m)-
442{-
443 QDebugStateSaver saver(dbg);-
444 dbg.nospace();-
445 dbg << "QMargins" << '(';-
446 QtDebugUtils::formatQMargins(dbg, m);-
447 dbg << ')';-
448 return dbg;
never executed: return dbg;
0
449}-
450#endif-
451-
452/*!-
453 \class QMarginsF-
454 \inmodule QtCore-
455 \ingroup painting-
456 \since 5.3-
457-
458 \brief The QMarginsF class defines the four margins of a rectangle.-
459-
460 QMarginsF defines a set of four margins; left, top, right and bottom,-
461 that describe the size of the borders surrounding a rectangle.-
462-
463 The isNull() function returns \c true only if all margins are set to zero.-
464-
465 QMarginsF objects can be streamed as well as compared.-
466*/-
467-
468-
469/*****************************************************************************-
470 QMarginsF member functions-
471 *****************************************************************************/-
472-
473/*!-
474 \fn QMarginsF::QMarginsF()-
475-
476 Constructs a margins object with all margins set to 0.-
477-
478 \sa isNull()-
479*/-
480-
481/*!-
482 \fn QMarginsF::QMarginsF(qreal left, qreal top, qreal right, qreal bottom)-
483-
484 Constructs margins with the given \a left, \a top, \a right, \a bottom-
485-
486 \sa setLeft(), setRight(), setTop(), setBottom()-
487*/-
488-
489/*!-
490 \fn QMarginsF::QMarginsF(const QMargins &margins)-
491-
492 Constructs margins copied from the given \a margins-
493*/-
494-
495/*!-
496 \fn bool QMarginsF::isNull() const-
497-
498 Returns \c true if all margins are 0; otherwise returns-
499 false.-
500*/-
501-
502-
503/*!-
504 \fn qreal QMarginsF::left() const-
505-
506 Returns the left margin.-
507-
508 \sa setLeft()-
509*/-
510-
511/*!-
512 \fn qreal QMarginsF::top() const-
513-
514 Returns the top margin.-
515-
516 \sa setTop()-
517*/-
518-
519/*!-
520 \fn qreal QMarginsF::right() const-
521-
522 Returns the right margin.-
523*/-
524-
525/*!-
526 \fn qreal QMarginsF::bottom() const-
527-
528 Returns the bottom margin.-
529*/-
530-
531-
532/*!-
533 \fn void QMarginsF::setLeft(qreal left)-
534-
535 Sets the left margin to \a left.-
536*/-
537-
538/*!-
539 \fn void QMarginsF::setTop(qreal Top)-
540-
541 Sets the Top margin to \a Top.-
542*/-
543-
544/*!-
545 \fn void QMarginsF::setRight(qreal right)-
546-
547 Sets the right margin to \a right.-
548*/-
549-
550/*!-
551 \fn void QMarginsF::setBottom(qreal bottom)-
552-
553 Sets the bottom margin to \a bottom.-
554*/-
555-
556/*!-
557 \fn bool operator==(const QMarginsF &lhs, const QMarginsF &rhs)-
558 \relates QMarginsF-
559-
560 Returns \c true if \a lhs and \a rhs are equal; otherwise returns \c false.-
561*/-
562-
563/*!-
564 \fn bool operator!=(const QMarginsF &lhs, const QMarginsF &rhs)-
565 \relates QMarginsF-
566-
567 Returns \c true if \a lhs and \a rhs are different; otherwise returns \c false.-
568*/-
569-
570/*!-
571 \fn const QMarginsF operator+(const QMarginsF &lhs, const QMarginsF &rhs)-
572 \relates QMarginsF-
573-
574 Returns a QMarginsF object that is the sum of the given margins, \a lhs-
575 and \a rhs; each component is added separately.-
576-
577 \sa QMarginsF::operator+=(), QMarginsF::operator-=()-
578*/-
579-
580/*!-
581 \fn const QMarginsF operator-(const QMarginsF &lhs, const QMarginsF &rhs)-
582 \relates QMarginsF-
583-
584 Returns a QMarginsF object that is formed by subtracting \a rhs from-
585 \a lhs; each component is subtracted separately.-
586-
587 \sa QMarginsF::operator+=(), QMarginsF::operator-=()-
588*/-
589-
590/*!-
591 \fn const QMarginsF operator+(const QMarginsF &lhs, qreal rhs)-
592 \relates QMarginsF-
593-
594 Returns a QMarginsF object that is formed by adding \a rhs to-
595 \a lhs.-
596-
597 \sa QMarginsF::operator+=(), QMarginsF::operator-=()-
598*/-
599-
600/*!-
601 \fn const QMarginsF operator+(qreal lhs, const QMarginsF &rhs)-
602 \relates QMarginsF-
603-
604 Returns a QMarginsF object that is formed by adding \a lhs to-
605 \a rhs.-
606-
607 \sa QMarginsF::operator+=(), QMarginsF::operator-=()-
608*/-
609-
610/*!-
611 \fn const QMarginsF operator-(const QMarginsF &lhs, qreal rhs)-
612 \relates QMarginsF-
613-
614 Returns a QMarginsF object that is formed by subtracting \a rhs from-
615 \a lhs.-
616-
617 \sa QMarginsF::operator+=(), QMarginsF::operator-=()-
618*/-
619-
620/*!-
621 \fn const QMarginsF operator*(const QMarginsF &lhs, qreal rhs)-
622 \relates QMarginsF-
623 \overload-
624-
625 Returns a QMarginsF object that is formed by multiplying each component-
626 of the given \a lhs margins by \a rhs factor.-
627-
628 \sa QMarginsF::operator*=(), QMarginsF::operator/=()-
629*/-
630-
631/*!-
632 \fn const QMarginsF operator*(qreal lhs, const QMarginsF &rhs)-
633 \relates QMarginsF-
634 \overload-
635-
636 Returns a QMarginsF object that is formed by multiplying each component-
637 of the given \a lhs margins by \a rhs factor.-
638-
639 \sa QMarginsF::operator*=(), QMarginsF::operator/=()-
640*/-
641-
642/*!-
643 \fn const QMarginsF operator/(const QMarginsF &lhs, qreal rhs)-
644 \relates QMarginsF-
645 \overload-
646-
647 Returns a QMarginsF object that is formed by dividing the components of-
648 the given \a lhs margins by the given \a rhs divisor.-
649-
650 \sa QMarginsF::operator*=(), QMarginsF::operator/=()-
651*/-
652-
653/*!-
654 \fn QMarginsF operator+(const QMarginsF &margins)-
655 \relates QMarginsF-
656-
657 Returns a QMargin object that is formed from all components of \a margins.-
658*/-
659-
660/*!-
661 \fn QMarginsF operator-(const QMarginsF &margins)-
662 \relates QMarginsF-
663-
664 Returns a QMargin object that is formed by negating all components of \a margins.-
665*/-
666-
667/*!-
668 \fn QMarginsF &QMarginsF::operator+=(const QMarginsF &margins)-
669-
670 Add each component of \a margins to the respective component of this object-
671 and returns a reference to it.-
672-
673 \sa operator-=()-
674*/-
675-
676/*!-
677 \fn QMarginsF &QMarginsF::operator-=(const QMarginsF &margins)-
678-
679 Subtract each component of \a margins from the respective component of this object-
680 and returns a reference to it.-
681-
682 \sa operator+=()-
683*/-
684-
685/*!-
686 \fn QMarginsF &QMarginsF::operator+=(qreal addend)-
687 \overload-
688-
689 Adds the \a addend to each component of this object-
690 and returns a reference to it.-
691-
692 \sa operator-=()-
693*/-
694-
695/*!-
696 \fn QMarginsF &QMarginsF::operator-=(qreal subtrahend)-
697 \overload-
698-
699 Subtracts the \a subtrahend from each component of this object-
700 and returns a reference to it.-
701-
702 \sa operator+=()-
703*/-
704-
705/*!-
706 \fn QMarginsF &QMarginsF::operator*=(qreal factor)-
707-
708 Multiplies each component of this object by \a factor-
709 and returns a reference to it.-
710-
711 \sa operator/=()-
712*/-
713-
714/*!-
715 \fn QMarginsF &QMarginsF::operator/=(qreal divisor)-
716-
717 Divides each component of this object by \a divisor-
718 and returns a reference to it.-
719-
720 \sa operator*=()-
721*/-
722-
723/*!-
724 \fn QMargins QMarginsF::toMargins() const-
725-
726 Returns an integer based copy of this margins object.-
727-
728 Note that the components in the returned margins will be rounded to-
729 the nearest integer.-
730-
731 \sa QMarginsF()-
732*/-
733-
734/*****************************************************************************-
735 QMarginsF stream functions-
736 *****************************************************************************/-
737#ifndef QT_NO_DATASTREAM-
738/*!-
739 \fn QDataStream &operator<<(QDataStream &stream, const QMarginsF &m)-
740 \relates QMarginsF-
741-
742 Writes margin \a m to the given \a stream and returns a-
743 reference to the stream.-
744-
745 \sa {Serializing Qt Data Types}-
746*/-
747-
748QDataStream &operator<<(QDataStream &s, const QMarginsF &m)-
749{-
750 s << double(m.left()) << double(m.top()) << double(m.right()) << double(m.bottom());-
751 return s;
executed 1 time by 1 test: return s;
Executed by:
  • tst_QMargins
1
752}-
753-
754/*!-
755 \fn QDataStream &operator>>(QDataStream &stream, QMarginsF &m)-
756 \relates QMarginsF-
757-
758 Reads a margin from the given \a stream into margin \a m-
759 and returns a reference to the stream.-
760-
761 \sa {Serializing Qt Data Types}-
762*/-
763-
764QDataStream &operator>>(QDataStream &s, QMarginsF &m)-
765{-
766 double left, top, right, bottom;-
767 s >> left;-
768 s >> top;-
769 s >> right;-
770 s >> bottom;-
771 m = QMarginsF(qreal(left), qreal(top), qreal(right), qreal(bottom));-
772 return s;
executed 1 time by 1 test: return s;
Executed by:
  • tst_QMargins
1
773}-
774#endif // QT_NO_DATASTREAM-
775-
776#ifndef QT_NO_DEBUG_STREAM-
777QDebug operator<<(QDebug dbg, const QMarginsF &m)-
778{-
779 QDebugStateSaver saver(dbg);-
780 dbg.nospace();-
781 dbg << "QMarginsF" << '(';-
782 QtDebugUtils::formatQMargins(dbg, m);-
783 dbg << ')';-
784 return dbg;
never executed: return dbg;
0
785}-
786#endif-
787-
788QT_END_NAMESPACE-
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