qtimeline.cpp

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4-
5class QTimeLinePrivate : public QObjectPrivate-
6{-
7 inline QTimeLine* q_func() { return static_cast<QTimeLine *>(q_ptr); } inline const QTimeLine* q_func() const { return static_cast<const QTimeLine *>(q_ptr); } friend class QTimeLine;-
8public:-
9 inline QTimeLinePrivate()-
10 : easingCurve(QEasingCurve::InOutSine),-
11 startTime(0), duration(1000), startFrame(0), endFrame(0),-
12 updateInterval(1000 / 25),-
13 totalLoopCount(1), currentLoopCount(0), currentTime(0), timerId(0),-
14 direction(QTimeLine::Forward),-
15 state(QTimeLine::NotRunning)-
16 { }-
17-
18 QElapsedTimer timer;-
19 QEasingCurve easingCurve;-
20-
21 int startTime;-
22 int duration;-
23 int startFrame;-
24 int endFrame;-
25 int updateInterval;-
26 int totalLoopCount;-
27 int currentLoopCount;-
28-
29 int currentTime;-
30 int timerId;-
31-
32 QTimeLine::Direction direction;-
33 QTimeLine::State state;-
34 inline void setState(QTimeLine::State newState)-
35 {-
36 QTimeLine * const q = q_func();-
37 if (newState != state)-
38 q->stateChanged(state = newState, QTimeLine::QPrivateSignal());-
39 }-
40-
41 void setCurrentTime(int msecs);-
42};-
43-
44-
45-
46-
47void QTimeLinePrivate::setCurrentTime(int msecs)-
48{-
49 QTimeLine * const q = q_func();-
50-
51 qreal lastValue = q->currentValue();-
52 int lastFrame = q->currentFrame();-
53-
54-
55 int elapsed = (
(direction == ...ine::Backward)Description
TRUEevaluated 281 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 1160 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
direction == QTimeLine::Backward)
(direction == ...ine::Backward)Description
TRUEevaluated 281 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 1160 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
 ? (-msecs + duration) : msecs;		281-1160
56 int loopCount = elapsed / duration;-
57-
58 bool looping = (loopCount != currentLoopCount);-
59-
60-
61-
62-
63-
64 if (looping
loopingDescription
TRUEevaluated 35 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
FALSEevaluated 1406 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
)		35-1406
65 currentLoopCount = loopCount;
executed 35 times by 2 tests: currentLoopCount = loopCount;
Executed by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
35
66-
67-
68 currentTime = elapsed % duration;-
69 if (direction == QTimeLine::Backward
direction == Q...Line::BackwardDescription
TRUEevaluated 281 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 1160 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
)		281-1160
70 currentTime = duration - currentTime;
executed 281 times by 1 test: currentTime = duration - currentTime;
Executed by:
  • tst_QTimeLine
281
71-
72-
73 bool finished = false;-
74 if (totalLoopCount
totalLoopCountDescription
TRUEevaluated 1406 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
FALSEevaluated 35 times by 1 test
Evaluated by:
  • tst_QTimeLine
 && currentLoopCount >= totalLoopCount
currentLoopCou...totalLoopCountDescription
TRUEevaluated 20 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
FALSEevaluated 1386 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
) {		20-1406
75 finished = true;-
76 currentTime = (
(direction == ...ine::Backward)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 19 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
direction == QTimeLine::Backward)
(direction == ...ine::Backward)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 19 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
 ? 0 : duration;		1-19
77 currentLoopCount = totalLoopCount - 1;-
78 }
executed 20 times by 2 tests: end of block
Executed by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
20
79-
80 int currentFrame = q->frameForTime(currentTime);-
81-
82-
83-
84 if (!qFuzzyCompare(lastValue, q->currentValue())
!qFuzzyCompare...urrentValue())Description
TRUEevaluated 1412 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
FALSEevaluated 29 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
)		29-1412
85 q->valueChanged(q->currentValue(), QTimeLine::QPrivateSignal());
executed 1412 times by 2 tests: q->valueChanged(q->currentValue(), QTimeLine::QPrivateSignal());
Executed by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
1412
86 if (lastFrame != currentFrame
lastFrame != currentFrameDescription
TRUEevaluated 314 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 1127 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
) {		314-1127
87 const int transitionframe = (direction == QTimeLine::Forward
direction == Q...eLine::ForwardDescription
TRUEevaluated 290 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 24 times by 1 test
Evaluated by:
  • tst_QTimeLine
 ? endFrame : startFrame);		24-290
88 if (looping
loopingDescription
TRUEevaluated 31 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 283 times by 1 test
Evaluated by:
  • tst_QTimeLine
 && !finished
!finishedDescription
TRUEevaluated 15 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEevaluated 16 times by 1 test
Evaluated by:
  • tst_QTimeLine
 && transitionframe != currentFrame
transitionfram...= currentFrameDescription
TRUEevaluated 15 times by 1 test
Evaluated by:
  • tst_QTimeLine
FALSEnever evaluated
) {		0-283
89-
90-
91-
92 q->frameChanged(transitionframe, QTimeLine::QPrivateSignal());-
93 }
executed 15 times by 1 test: end of block
Executed by:
  • tst_QTimeLine
15
94 q->frameChanged(currentFrame, QTimeLine::QPrivateSignal());-
95 }
executed 314 times by 1 test: end of block
Executed by:
  • tst_QTimeLine
314
96 if (finished
finishedDescription
TRUEevaluated 20 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
FALSEevaluated 1421 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
 && state == QTimeLine::Running
state == QTimeLine::RunningDescription
TRUEevaluated 20 times by 2 tests
Evaluated by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
FALSEnever evaluated
) {		0-1421
97 q->stop();-
98 q->finished(QTimeLine::QPrivateSignal());-
99 }
executed 20 times by 2 tests: end of block
Executed by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
20
100}
executed 1441 times by 2 tests: end of block
Executed by:
  • tst_QGraphicsLayout
  • tst_QTimeLine
1441
101QTimeLine::QTimeLine(int duration, QObject *parent)-
102 : QObject(*new QTimeLinePrivate, parent)-
103{-
104 setDuration(duration);-
105}-
106-
107-
108-
109-
110QTimeLine::~QTimeLine()-
111{-
112 QTimeLinePrivate * const d = d_func();-
113-
114 if (d->state == Running)-
115 stop();-
116}-
117-
118-
119-
120-
121-
122-
123QTimeLine::State QTimeLine::state() const-
124{-
125 const QTimeLinePrivate * const d = d_func();-
126 return d->state;-
127}-
128int QTimeLine::loopCount() const-
129{-
130 const QTimeLinePrivate * const d = d_func();-
131 return d->totalLoopCount;-
132}-
133void QTimeLine::setLoopCount(int count)-
134{-
135 QTimeLinePrivate * const d = d_func();-
136 d->totalLoopCount = count;-
137}-
138QTimeLine::Direction QTimeLine::direction() const-
139{-
140 const QTimeLinePrivate * const d = d_func();-
141 return d->direction;-
142}-
143void QTimeLine::setDirection(Direction direction)-
144{-
145 QTimeLinePrivate * const d = d_func();-
146 d->direction = direction;-
147 d->startTime = d->currentTime;-
148 d->timer.start();-
149}-
150int QTimeLine::duration() const-
151{-
152 const QTimeLinePrivate * const d = d_func();-
153 return d->duration;-
154}-
155void QTimeLine::setDuration(int duration)-
156{-
157 QTimeLinePrivate * const d = d_func();-
158 if (duration <= 0) {-
159 QMessageLogger(__FILE__, 395401, __PRETTY_FUNCTION__).warning("QTimeLine::setDuration: cannot set duration <= 0");-
160 return;-
161 }-
162 d->duration = duration;-
163}-
164-
165-
166-
167-
168-
169-
170-
171int QTimeLine::startFrame() const-
172{-
173 const QTimeLinePrivate * const d = d_func();-
174 return d->startFrame;-
175}-
176-
177-
178-
179-
180-
181-
182-
183void QTimeLine::setStartFrame(int frame)-
184{-
185 QTimeLinePrivate * const d = d_func();-
186 d->startFrame = frame;-
187}-
188-
189-
190-
191-
192-
193-
194-
195int QTimeLine::endFrame() const-
196{-
197 const QTimeLinePrivate * const d = d_func();-
198 return d->endFrame;-
199}-
200-
201-
202-
203-
204-
205-
206-
207void QTimeLine::setEndFrame(int frame)-
208{-
209 QTimeLinePrivate * const d = d_func();-
210 d->endFrame = frame;-
211}-
212void QTimeLine::setFrameRange(int startFrame, int endFrame)-
213{-
214 QTimeLinePrivate * const d = d_func();-
215 d->startFrame = startFrame;-
216 d->endFrame = endFrame;-
217}-
218int QTimeLine::updateInterval() const-
219{-
220 const QTimeLinePrivate * const d = d_func();-
221 return d->updateInterval;-
222}-
223void QTimeLine::setUpdateInterval(int interval)-
224{-
225 QTimeLinePrivate * const d = d_func();-
226 d->updateInterval = interval;-
227}-
228QTimeLine::CurveShape QTimeLine::curveShape() const-
229{-
230 const QTimeLinePrivate * const d = d_func();-
231 switch (d->easingCurve.type()) {-
232 default:-
233 case QEasingCurve::InOutSine:-
234 return EaseInOutCurve;-
235 case QEasingCurve::InCurve:-
236 return EaseInCurve;-
237 case QEasingCurve::OutCurve:-
238 return EaseOutCurve;-
239 case QEasingCurve::Linear:-
240 return LinearCurve;-
241 case QEasingCurve::SineCurve:-
242 return SineCurve;-
243 case QEasingCurve::CosineCurve:-
244 return CosineCurve;-
245 }-
246 return
dead code: return EaseInOutCurve;
 EaseInOutCurve;
dead code: return EaseInOutCurve;
-
247}-
248-
249void QTimeLine::setCurveShape(CurveShape shape)-
250{-
251 switch (shape) {-
252 default:-
253 case EaseInOutCurve:-
254 setEasingCurve(QEasingCurve(QEasingCurve::InOutSine));-
255 break;-
256 case EaseInCurve:-
257 setEasingCurve(QEasingCurve(QEasingCurve::InCurve));-
258 break;-
259 case EaseOutCurve:-
260 setEasingCurve(QEasingCurve(QEasingCurve::OutCurve));-
261 break;-
262 case LinearCurve:-
263 setEasingCurve(QEasingCurve(QEasingCurve::Linear));-
264 break;-
265 case SineCurve:-
266 setEasingCurve(QEasingCurve(QEasingCurve::SineCurve));-
267 break;-
268 case CosineCurve:-
269 setEasingCurve(QEasingCurve(QEasingCurve::CosineCurve));-
270 break;-
271 }-
272}-
273QEasingCurve QTimeLine::easingCurve() const-
274{-
275 const QTimeLinePrivate * const d = d_func();-
276 return d->easingCurve;-
277}-
278-
279void QTimeLine::setEasingCurve(const QEasingCurve& curve)-
280{-
281 QTimeLinePrivate * const d = d_func();-
282 d->easingCurve = curve;-
283}-
284int QTimeLine::currentTime() const-
285{-
286 const QTimeLinePrivate * const d = d_func();-
287 return d->currentTime;-
288}-
289void QTimeLine::setCurrentTime(int msec)-
290{-
291 QTimeLinePrivate * const d = d_func();-
292 d->startTime = 0;-
293 d->currentLoopCount = 0;-
294 d->timer.restart();-
295 d->setCurrentTime(msec);-
296}-
297-
298-
299-
300-
301-
302-
303int QTimeLine::currentFrame() const-
304{-
305 const QTimeLinePrivate * const d = d_func();-
306 return frameForTime(d->currentTime);-
307}-
308-
309-
310-
311-
312-
313-
314qreal QTimeLine::currentValue() const-
315{-
316 const QTimeLinePrivate * const d = d_func();-
317 return valueForTime(d->currentTime);-
318}-
319int QTimeLine::frameForTime(int msec) const-
320{-
321 const QTimeLinePrivate * const d = d_func();-
322 if (d->direction == Forward)-
323 return d->startFrame + int((d->endFrame - d->startFrame) * valueForTime(msec));-
324 return d->startFrame + qCeil((d->endFrame - d->startFrame) * valueForTime(msec));-
325}-
326qreal QTimeLine::valueForTime(int msec) const-
327{-
328 const QTimeLinePrivate * const d = d_func();-
329 msec = qMin(qMax(msec, 0), d->duration);-
330-
331 qreal value = msec / qreal(d->duration);-
332 return d->easingCurve.valueForProgress(value);-
333}-
334void QTimeLine::start()-
335{-
336 QTimeLinePrivate * const d = d_func();-
337 if (d->timerId) {-
338 QMessageLogger(__FILE__, 669675, __PRETTY_FUNCTION__).warning("QTimeLine::start: already running");-
339 return;-
340 }-
341 int curTime = 0;-
342 if (d->direction == Backward)-
343 curTime = d->duration;-
344 d->timerId = startTimer(d->updateInterval);-
345 d->startTime = curTime;-
346 d->currentLoopCount = 0;-
347 d->timer.start();-
348 d->setState(Running);-
349 d->setCurrentTime(curTime);-
350}-
351void QTimeLine::resume()-
352{-
353 QTimeLinePrivate * const d = d_func();-
354 if (d->timerId) {-
355 QMessageLogger(__FILE__, 697703, __PRETTY_FUNCTION__).warning("QTimeLine::resume: already running");-
356 return;-
357 }-
358 d->timerId = startTimer(d->updateInterval);-
359 d->startTime = d->currentTime;-
360 d->timer.start();-
361 d->setState(Running);-
362}-
363-
364-
365-
366-
367-
368-
369void QTimeLine::stop()-
370{-
371 QTimeLinePrivate * const d = d_func();-
372 if (d->timerId)-
373 killTimer(d->timerId);-
374 d->setState(NotRunning);-
375 d->timerId = 0;-
376}-
377void QTimeLine::setPaused(bool paused)-
378{-
379 QTimeLinePrivate * const d = d_func();-
380 if (d->state == NotRunning) {-
381 QMessageLogger(__FILE__, 732738, __PRETTY_FUNCTION__).warning("QTimeLine::setPaused: Not running");-
382 return;-
383 }-
384 if (paused && d->state != Paused) {-
385 d->startTime = d->currentTime;-
386 killTimer(d->timerId);-
387 d->timerId = 0;-
388 d->setState(Paused);-
389 } else if (!paused && d->state == Paused) {-
390-
391 d->timerId = startTimer(d->updateInterval);-
392 d->startTime = d->currentTime;-
393 d->timer.start();-
394 d->setState(Running);-
395 }-
396}-
397-
398-
399-
400-
401-
402-
403-
404void QTimeLine::toggleDirection()-
405{-
406 QTimeLinePrivate * const d = d_func();-
407 setDirection(d->direction == Forward ? Backward : Forward);-
408}-
409-
410-
411-
412-
413void QTimeLine::timerEvent(QTimerEvent *event)-
414{-
415 QTimeLinePrivate * const d = d_func();-
416 if (event->timerId() != d->timerId) {-
417 event->ignore();-
418 return;-
419 }-
420 event->accept();-
421-
422 if (d->direction == Forward) {-
423 d->setCurrentTime(d->startTime + d->timer.elapsed());-
424 } else {-
425 d->setCurrentTime(d->startTime - d->timer.elapsed());-
426 }-
427}-
428-
429-
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