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qquicksmoothedanimation.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qquicksmoothedanimation_p.h"-
41#include "qquicksmoothedanimation_p_p.h"-
42-
43#include "qquickanimation_p_p.h"-
44#include "private/qcontinuinganimationgroupjob_p.h"-
45-
46#include <qmath.h>-
47#include <qqmlproperty.h>-
48#include <private/qqmlproperty_p.h>-
49-
50#include <private/qqmlglobal_p.h>-
51-
52#include <QtCore/qdebug.h>-
53-
54-
55#define DELAY_STOP_TIMER_INTERVAL 32-
56-
57QT_BEGIN_NAMESPACE-
58-
59-
60QSmoothedAnimationTimer::QSmoothedAnimationTimer(QSmoothedAnimation *animation, QObject *parent)-
61 : QTimer(parent)-
62 , m_animation(animation)-
63{-
64 connect(this, SIGNAL(timeout()), this, SLOT(stopAnimation()));-
65}
executed 10652 times by 13 tests: end of block
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
10652
66-
67QSmoothedAnimationTimer::~QSmoothedAnimationTimer()-
68{-
69}-
70-
71void QSmoothedAnimationTimer::stopAnimation()-
72{-
73 m_animation->stop();-
74}
executed 195 times by 4 tests: end of block
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
195
75-
76QSmoothedAnimation::QSmoothedAnimation(QQuickSmoothedAnimationPrivate *priv)-
77 : QAbstractAnimationJob(), to(0), velocity(200), userDuration(-1), maximumEasingTime(-1),-
78 reversingMode(QQuickSmoothedAnimation::Eased), initialVelocity(0),-
79 trackVelocity(0), initialValue(0), invert(false), finalDuration(-1), lastTime(0),-
80 skipUpdate(false), delayedStopTimer(new QSmoothedAnimationTimer(this)), animationTemplate(priv)-
81{-
82 delayedStopTimer->setInterval(DELAY_STOP_TIMER_INTERVAL);-
83 delayedStopTimer->setSingleShot(true);-
84}
executed 10652 times by 13 tests: end of block
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
10652
85-
86QSmoothedAnimation::~QSmoothedAnimation()-
87{-
88 delete delayedStopTimer;-
89 if (animationTemplate) {
animationTemplateDescription
TRUEevaluated 24 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 10612 times by 12 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
24-10612
90 if (target.object()) {
target.object()Description
TRUEnever evaluated
FALSEevaluated 24 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
0-24
91 QHash<QQmlProperty, QSmoothedAnimation* >::iterator it =-
92 animationTemplate->activeAnimations.find(target);-
93 if (it != animationTemplate->activeAnimations.end() && it.value() == this)
it != animatio...imations.end()Description
TRUEnever evaluated
FALSEnever evaluated
it.value() == thisDescription
TRUEnever evaluated
FALSEnever evaluated
0
94 animationTemplate->activeAnimations.erase(it);
never executed: animationTemplate->activeAnimations.erase(it);
0
95 } else {
never executed: end of block
0
96 //target is no longer valid, need to search linearly-
97 QHash<QQmlProperty, QSmoothedAnimation* >::iterator it;-
98 for (it = animationTemplate->activeAnimations.begin(); it != animationTemplate->activeAnimations.end(); ++it) {
it != animatio...imations.end()Description
TRUEevaluated 24 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEnever evaluated
0-24
99 if (it.value() == this) {
it.value() == thisDescription
TRUEevaluated 24 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEnever evaluated
0-24
100 animationTemplate->activeAnimations.erase(it);-
101 break;
executed 24 times by 3 tests: break;
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
24
102 }-
103 }
never executed: end of block
0
104 }
executed 24 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
24
105 }-
106}
executed 10636 times by 12 tests: end of block
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
10636
107-
108void QSmoothedAnimation::restart()-
109{-
110 initialVelocity = trackVelocity;-
111 if (isRunning())
isRunning()Description
TRUEevaluated 9164 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickvisualdatamodel
FALSEevaluated 41531 times by 11 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
9164-41531
112 init();
executed 9164 times by 4 tests: init();
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickvisualdatamodel
9164
113 else-
114 start();
executed 41531 times by 11 tests: start();
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
41531
115}-
116-
117void QSmoothedAnimation::prepareForRestart()-
118{-
119 initialVelocity = trackVelocity;-
120 if (isRunning()) {
isRunning()Description
TRUEevaluated 50 times by 2 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
FALSEevaluated 15 times by 2 tests
Evaluated by:
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
15-50
121 //we are joining a new wrapper group while running, our times need to be restarted-
122 skipUpdate = true;-
123 init();-
124 lastTime = 0;-
125 } else {
executed 50 times by 2 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
50
126 skipUpdate = false;-
127 //we'll be started when the group starts, which will force an init()-
128 }
executed 15 times by 2 tests: end of block
Executed by:
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
15
129}-
130-
131void QSmoothedAnimation::updateState(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State /*oldState*/)-
132{-
133 if (newState == QAbstractAnimationJob::Running)
newState == QA...onJob::RunningDescription
TRUEevaluated 41572 times by 13 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 40292 times by 13 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
40292-41572
134 init();
executed 41572 times by 13 tests: init();
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
41572
135}
executed 81864 times by 13 tests: end of block
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
81864
136-
137void QSmoothedAnimation::delayedStop()-
138{-
139 if (!delayedStopTimer->isActive())
!delayedStopTimer->isActive()Description
TRUEevaluated 678 times by 4 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 577 times by 4 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
577-678
140 delayedStopTimer->start();
executed 678 times by 4 tests: delayedStopTimer->start();
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
678
141}
executed 1255 times by 4 tests: end of block
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
1255
142-
143int QSmoothedAnimation::duration() const-
144{-
145 return -1;
executed 49139 times by 13 tests: return -1;
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
49139
146}-
147-
148bool QSmoothedAnimation::recalc()-
149{-
150 s = to - initialValue;-
151 vi = initialVelocity;-
152-
153 s = (invert? -1.0: 1.0) * s;
invertDescription
TRUEevaluated 4038 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickvisualdatamodel
FALSEevaluated 6910 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
4038-6910
154-
155 if (userDuration >= 0 && velocity > 0) {
userDuration >= 0Description
TRUEevaluated 6075 times by 4 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 4873 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
velocity > 0Description
TRUEevaluated 6071 times by 3 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_qquickbehaviors
4-6075
156 tf = s / velocity;-
157 if (tf > (userDuration / 1000.)) tf = (userDuration / 1000.);
executed 5374 times by 3 tests: tf = (userDuration / 1000.);
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
tf > (userDuration / 1000.)Description
TRUEevaluated 5374 times by 3 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 697 times by 2 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicksmoothedanimation
697-5374
158 } else if (userDuration >= 0) {
executed 6071 times by 3 tests: end of block
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
userDuration >= 0Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • tst_qquickbehaviors
FALSEevaluated 4873 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
4-6071
159 tf = userDuration / 1000.;-
160 } else if (velocity > 0) {
executed 4 times by 1 test: end of block
Executed by:
  • tst_qquickbehaviors
velocity > 0Description
TRUEevaluated 4873 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
FALSEnever evaluated
0-4873
161 tf = s / velocity;-
162 } else {
executed 4873 times by 4 tests: end of block
Executed by:
  • tst_examples
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
4873
163 return false;
never executed: return false;
0
164 }-
165-
166 finalDuration = qCeil(tf * 1000.0);-
167-
168 if (maximumEasingTime == 0) {
maximumEasingTime == 0Description
TRUEnever evaluated
FALSEevaluated 10948 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
0-10948
169 a = 0;-
170 d = 0;-
171 tp = 0;-
172 td = tf;-
173 vp = velocity;-
174 sp = 0;-
175 sd = s;-
176 } else if (maximumEasingTime != -1 && tf > (maximumEasingTime / 1000.)) {
never executed: end of block
maximumEasingTime != -1Description
TRUEnever evaluated
FALSEevaluated 10948 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
tf > (maximumE...gTime / 1000.)Description
TRUEnever evaluated
FALSEnever evaluated
0-10948
177 qreal met = maximumEasingTime / 1000.;-
178 /* tp| |td-
179 * vp_ _______-
180 * / \-
181 * vi_ / \-
182 * \-
183 * \ _ 0-
184 * |ta| |ta|-
185 */-
186 qreal ta = met / 2.;-
187 a = (s - (vi * tf - 0.5 * vi * ta)) / (tf * ta - ta * ta);-
188-
189 vp = vi + a * ta;-
190 d = vp / ta;-
191 tp = ta;-
192 sp = vi * ta + 0.5 * a * tp * tp;-
193 sd = sp + vp * (tf - 2 * ta);-
194 td = tf - ta;-
195 } else {
never executed: end of block
0
196 qreal c1 = 0.25 * tf * tf;-
197 qreal c2 = 0.5 * vi * tf - s;-
198 qreal c3 = -0.25 * vi * vi;-
199-
200 qreal a1 = (-c2 + qSqrt(c2 * c2 - 4 * c1 * c3)) / (2. * c1);-
201-
202 qreal tp1 = 0.5 * tf - 0.5 * vi / a1;-
203 qreal vp1 = a1 * tp1 + vi;-
204-
205 qreal sp1 = 0.5 * a1 * tp1 * tp1 + vi * tp1;-
206-
207 a = a1;-
208 d = a1;-
209 tp = tp1;-
210 td = tp1;-
211 vp = vp1;-
212 sp = sp1;-
213 sd = sp1;-
214 }
executed 10948 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
10948
215 return true;
executed 10948 times by 6 tests: return true;
Executed by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
10948
216}-
217-
218qreal QSmoothedAnimation::easeFollow(qreal time_seconds)-
219{-
220 qreal value;-
221 if (time_seconds < tp) {
time_seconds < tpDescription
TRUEevaluated 5931 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 2798 times by 4 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
2798-5931
222 trackVelocity = vi + time_seconds * a;-
223 value = 0.5 * a * time_seconds * time_seconds + vi * time_seconds;-
224 } else if (time_seconds < td) {
executed 5931 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
time_seconds < tdDescription
TRUEnever evaluated
FALSEevaluated 2798 times by 4 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
0-5931
225 time_seconds -= tp;-
226 trackVelocity = vp;-
227 value = sp + time_seconds * vp;-
228 } else if (time_seconds < tf) {
never executed: end of block
time_seconds < tfDescription
TRUEevaluated 1543 times by 4 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 1255 times by 4 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
0-1543
229 time_seconds -= td;-
230 trackVelocity = vp - time_seconds * a;-
231 value = sd - 0.5 * d * time_seconds * time_seconds + vp * time_seconds;-
232 } else {
executed 1543 times by 4 tests: end of block
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
1543
233 trackVelocity = 0;-
234 value = s;-
235 delayedStop();-
236 }
executed 1255 times by 4 tests: end of block
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
1255
237-
238 // to normalize 's' between [0..1], divide 'value' by 's'-
239 return value;
executed 8729 times by 6 tests: return value;
Executed by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
8729
240}-
241-
242void QSmoothedAnimation::updateCurrentTime(int t)-
243{-
244 if (skipUpdate) {
skipUpdateDescription
TRUEevaluated 50 times by 2 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
FALSEevaluated 8729 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
50-8729
245 skipUpdate = false;-
246 return;
executed 50 times by 2 tests: return;
Executed by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
50
247 }-
248-
249 if (!isRunning() && !isPaused()) // This can happen if init() stops the animation in some cases
!isRunning()Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquicksmoothedanimation
FALSEevaluated 8727 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
!isPaused()Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquicksmoothedanimation
0-8727
250 return;
never executed: return;
0
251-
252 qreal time_seconds = qreal(t - lastTime) / 1000.;-
253-
254 qreal value = easeFollow(time_seconds);-
255 value *= (invert? -1.0: 1.0);
invertDescription
TRUEevaluated 3199 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickvisualdatamodel
FALSEevaluated 5530 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
3199-5530
256 QQmlPropertyPrivate::write(target, initialValue + value,-
257 QQmlPropertyData::BypassInterceptor-
258 | QQmlPropertyData::DontRemoveBinding);-
259}
executed 8729 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
8729
260-
261void QSmoothedAnimation::init()-
262{-
263 if (velocity == 0) {
velocity == 0Description
TRUEnever evaluated
FALSEevaluated 50786 times by 13 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
0-50786
264 stop();-
265 return;
never executed: return;
0
266 }-
267-
268 if (delayedStopTimer->isActive())
delayedStopTimer->isActive()Description
TRUEevaluated 256 times by 3 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickvisualdatamodel
FALSEevaluated 50530 times by 13 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquicksmoothedanimation
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
256-50530
269 delayedStopTimer->stop();
executed 256 times by 3 tests: delayedStopTimer->stop();
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickvisualdatamodel
256
270-
271 initialValue = target.read().toReal();-
272 lastTime = this->currentTime();-
273-
274 if (to == initialValue) {
to == initialValueDescription
TRUEevaluated 39838 times by 11 tests
Evaluated by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 10948 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
10948-39838
275 stop();-
276 return;
executed 39838 times by 11 tests: return;
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
39838
277 }-
278-
279 bool hasReversed = trackVelocity != 0. &&
trackVelocity != 0.Description
TRUEevaluated 2697 times by 5 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 8251 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
2697-8251
280 ((!invert) == ((initialValue - to) > 0));
((!invert) == ...ue - to) > 0))Description
TRUEevaluated 180 times by 2 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
FALSEevaluated 2517 times by 5 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
180-2517
281-
282 if (hasReversed) {
hasReversedDescription
TRUEevaluated 180 times by 2 tests
Evaluated by:
  • tst_qquickgridview
  • tst_qquicklistview
FALSEevaluated 10768 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
180-10768
283 switch (reversingMode) {-
284 default:
never executed: default:
0
285 case QQuickSmoothedAnimation::Eased:
executed 180 times by 2 tests: case QQuickSmoothedAnimation::Eased:
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
180
286 initialVelocity = -trackVelocity;-
287 break;
executed 180 times by 2 tests: break;
Executed by:
  • tst_qquickgridview
  • tst_qquicklistview
180
288 case QQuickSmoothedAnimation::Sync:
never executed: case QQuickSmoothedAnimation::Sync:
0
289 QQmlPropertyPrivate::write(target, to,-
290 QQmlPropertyData::BypassInterceptor-
291 | QQmlPropertyData::DontRemoveBinding);-
292 trackVelocity = 0;-
293 stop();-
294 return;
never executed: return;
0
295 case QQuickSmoothedAnimation::Immediate:
never executed: case QQuickSmoothedAnimation::Immediate:
0
296 initialVelocity = 0;-
297 break;
never executed: break;
0
298 }-
299 }-
300-
301 trackVelocity = initialVelocity;-
302-
303 invert = (to < initialValue);-
304-
305 if (!recalc()) {
!recalc()Description
TRUEnever evaluated
FALSEevaluated 10948 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
0-10948
306 QQmlPropertyPrivate::write(target, to,-
307 QQmlPropertyData::BypassInterceptor-
308 | QQmlPropertyData::DontRemoveBinding);-
309 stop();-
310 return;
never executed: return;
0
311 }-
312}
executed 10948 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickbehaviors
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
  • tst_qquickvisualdatamodel
10948
313-
314void QSmoothedAnimation::debugAnimation(QDebug d) const-
315{-
316 d << "SmoothedAnimationJob(" << hex << (const void *) this << dec << ")" << "duration:" << userDuration-
317 << "velocity:" << velocity << "target:" << target.object() << "property:" << target.name()-
318 << "to:" << to << "current velocity:" << trackVelocity;-
319}
never executed: end of block
0
320-
321/*!-
322 \qmltype SmoothedAnimation-
323 \instantiates QQuickSmoothedAnimation-
324 \inqmlmodule QtQuick-
325 \ingroup qtquick-transitions-animations-
326 \inherits NumberAnimation-
327 \brief Allows a property to smoothly track a value.-
328-
329 A SmoothedAnimation animates a property's value to a set target value-
330 using an ease in/out quad easing curve. When the target value changes,-
331 the easing curves used to animate between the old and new target values-
332 are smoothly spliced together to create a smooth movement to the new-
333 target value that maintains the current velocity.-
334-
335 The follow example shows one \l Rectangle tracking the position of another-
336 using SmoothedAnimation. The green rectangle's \c x and \c y values are-
337 bound to those of the red rectangle. Whenever these values change, the-
338 green rectangle smoothly animates to its new position:-
339-
340 \snippet qml/smoothedanimation.qml 0-
341-
342 A SmoothedAnimation can be configured by setting the \l velocity at which the-
343 animation should occur, or the \l duration that the animation should take.-
344 If both the \l velocity and \l duration are specified, the one that results in-
345 the quickest animation is chosen for each change in the target value.-
346-
347 For example, animating from 0 to 800 will take 4 seconds if a velocity-
348 of 200 is set, will take 8 seconds with a duration of 8000 set, and will-
349 take 4 seconds with both a velocity of 200 and a duration of 8000 set.-
350 Animating from 0 to 20000 will take 10 seconds if a velocity of 200 is set,-
351 will take 8 seconds with a duration of 8000 set, and will take 8 seconds-
352 with both a velocity of 200 and a duration of 8000 set.-
353-
354 The default velocity of SmoothedAnimation is 200 units/second. Note that if the range of the-
355 value being animated is small, then the velocity will need to be adjusted-
356 appropriately. For example, the opacity of an item ranges from 0 - 1.0.-
357 To enable a smooth animation in this range the velocity will need to be-
358 set to a value such as 0.5 units/second. Animating from 0 to 1.0 with a velocity-
359 of 0.5 will take 2000 ms to complete.-
360-
361 Like any other animation type, a SmoothedAnimation can be applied in a-
362 number of ways, including transitions, behaviors and property value-
363 sources. The \l {Animation and Transitions in Qt Quick} documentation shows a-
364 variety of methods for creating animations.-
365-
366 \sa SpringAnimation, NumberAnimation, {Animation and Transitions in Qt Quick}, {Qt Quick Examples - Animation}-
367*/-
368-
369QQuickSmoothedAnimation::QQuickSmoothedAnimation(QObject *parent)-
370: QQuickNumberAnimation(*(new QQuickSmoothedAnimationPrivate), parent)-
371{-
372}
executed 42 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
42
373-
374QQuickSmoothedAnimation::~QQuickSmoothedAnimation()-
375{-
376-
377}-
378-
379QQuickSmoothedAnimationPrivate::QQuickSmoothedAnimationPrivate()-
380 : anim(new QSmoothedAnimation)-
381{-
382}
executed 42 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
42
383-
384QQuickSmoothedAnimationPrivate::~QQuickSmoothedAnimationPrivate()-
385{-
386 typedef QHash<QQmlProperty, QSmoothedAnimation* >::iterator ActiveAnimationsHashIt;-
387-
388 delete anim;-
389 for (ActiveAnimationsHashIt it = activeAnimations.begin(), end = activeAnimations.end(); it != end; ++it)
it != endDescription
TRUEnever evaluated
FALSEevaluated 40 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
0-40
390 it.value()->clearTemplate();
never executed: it.value()->clearTemplate();
0
391}
executed 40 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
40
392-
393void QQuickSmoothedAnimationPrivate::updateRunningAnimations()-
394{-
395 for (QSmoothedAnimation *ease : qAsConst(activeAnimations)) {-
396 ease->maximumEasingTime = anim->maximumEasingTime;-
397 ease->reversingMode = anim->reversingMode;-
398 ease->velocity = anim->velocity;-
399 ease->userDuration = anim->userDuration;-
400 ease->init();-
401 }
never executed: end of block
0
402}
executed 34 times by 2 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
34
403-
404QAbstractAnimationJob* QQuickSmoothedAnimation::transition(QQuickStateActions &actions,-
405 QQmlProperties &modified,-
406 TransitionDirection direction,-
407 QObject *defaultTarget)-
408{-
409 Q_UNUSED(direction);-
410 Q_D(QQuickSmoothedAnimation);-
411-
412 const QQuickStateActions dataActions = QQuickPropertyAnimation::createTransitionActions(actions, modified, defaultTarget);-
413-
414 QContinuingAnimationGroupJob *wrapperGroup = new QContinuingAnimationGroupJob();-
415-
416 if (!dataActions.isEmpty()) {
!dataActions.isEmpty()Description
TRUEevaluated 91 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquicksmoothedanimation
2-91
417 QSet<QAbstractAnimationJob*> anims;-
418 for (int i = 0; i < dataActions.size(); i++) {
i < dataActions.size()Description
TRUEevaluated 91 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 91 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
91
419 QSmoothedAnimation *ease;-
420 bool isActive;-
421 if (!d->activeAnimations.contains(dataActions[i].property)) {
!d->activeAnim...s[i].property)Description
TRUEevaluated 26 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 65 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
26-65
422 ease = new QSmoothedAnimation(d);-
423 d->activeAnimations.insert(dataActions[i].property, ease);-
424 ease->target = dataActions[i].property;-
425 isActive = false;-
426 } else {
executed 26 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
26
427 ease = d->activeAnimations.value(dataActions[i].property);-
428 isActive = true;-
429 }
executed 65 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
65
430 wrapperGroup->appendAnimation(initInstance(ease));-
431-
432 ease->to = dataActions[i].toValue.toReal();-
433-
434 // copying public members from main value holder animation-
435 ease->maximumEasingTime = d->anim->maximumEasingTime;-
436 ease->reversingMode = d->anim->reversingMode;-
437 ease->velocity = d->anim->velocity;-
438 ease->userDuration = d->anim->userDuration;-
439-
440 ease->initialVelocity = ease->trackVelocity;-
441-
442 if (isActive)
isActiveDescription
TRUEevaluated 65 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
FALSEevaluated 26 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
26-65
443 ease->prepareForRestart();
executed 65 times by 3 tests: ease->prepareForRestart();
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
65
444 anims.insert(ease);-
445 }
executed 91 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
91
446-
447 const auto copy = d->activeAnimations;-
448 for (QSmoothedAnimation *ease : copy) {-
449 if (!anims.contains(ease)) {
!anims.contains(ease)Description
TRUEnever evaluated
FALSEevaluated 91 times by 3 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
0-91
450 ease->clearTemplate();-
451 d->activeAnimations.remove(ease->target);-
452 }
never executed: end of block
0
453 }
executed 91 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
91
454 }
executed 91 times by 3 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
91
455 return wrapperGroup;
executed 93 times by 3 tests: return wrapperGroup;
Executed by:
  • tst_qquickbehaviors
  • tst_qquicklistview
  • tst_qquicksmoothedanimation
93
456}-
457-
458/*!-
459 \qmlproperty enumeration QtQuick::SmoothedAnimation::reversingMode-
460-
461 Sets how the SmoothedAnimation behaves if an animation direction is reversed.-
462-
463 Possible values are:-
464-
465 \list-
466 \li SmoothedAnimation.Eased (default) - the animation will smoothly decelerate, and then reverse direction-
467 \li SmoothedAnimation.Immediate - the animation will immediately begin accelerating in the reverse direction, beginning with a velocity of 0-
468 \li SmoothedAnimation.Sync - the property is immediately set to the target value-
469 \endlist-
470*/-
471QQuickSmoothedAnimation::ReversingMode QQuickSmoothedAnimation::reversingMode() const-
472{-
473 Q_D(const QQuickSmoothedAnimation);-
474 return (QQuickSmoothedAnimation::ReversingMode) d->anim->reversingMode;
executed 6 times by 1 test: return (QQuickSmoothedAnimation::ReversingMode) d->anim->reversingMode;
Executed by:
  • tst_qquicksmoothedanimation
6
475}-
476-
477void QQuickSmoothedAnimation::setReversingMode(ReversingMode m)-
478{-
479 Q_D(QQuickSmoothedAnimation);-
480 if (d->anim->reversingMode == m)
d->anim->reversingMode == mDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_qquicksmoothedanimation
0-4
481 return;
never executed: return;
0
482-
483 d->anim->reversingMode = m;-
484 emit reversingModeChanged();-
485 d->updateRunningAnimations();-
486}
executed 4 times by 1 test: end of block
Executed by:
  • tst_qquicksmoothedanimation
4
487-
488/*!-
489 \qmlproperty int QtQuick::SmoothedAnimation::duration-
490-
491 This property holds the animation duration, in msecs, used when tracking the source.-
492-
493 Setting this to -1 (the default) disables the duration value.-
494-
495 If the velocity value and the duration value are both enabled, then the animation will-
496 use whichever gives the shorter duration.-
497*/-
498int QQuickSmoothedAnimation::duration() const-
499{-
500 Q_D(const QQuickSmoothedAnimation);-
501 return d->anim->userDuration;
executed 6 times by 1 test: return d->anim->userDuration;
Executed by:
  • tst_qquicksmoothedanimation
6
502}-
503-
504void QQuickSmoothedAnimation::setDuration(int duration)-
505{-
506 Q_D(QQuickSmoothedAnimation);-
507 if (duration != -1)
duration != -1Description
TRUEevaluated 10 times by 2 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
FALSEnever evaluated
0-10
508 QQuickNumberAnimation::setDuration(duration);
executed 10 times by 2 tests: QQuickNumberAnimation::setDuration(duration);
Executed by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
10
509 if(duration == d->anim->userDuration)
duration == d-...->userDurationDescription
TRUEnever evaluated
FALSEevaluated 10 times by 2 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
0-10
510 return;
never executed: return;
0
511 d->anim->userDuration = duration;-
512 d->updateRunningAnimations();-
513}
executed 10 times by 2 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
10
514-
515qreal QQuickSmoothedAnimation::velocity() const-
516{-
517 Q_D(const QQuickSmoothedAnimation);-
518 return d->anim->velocity;
executed 6 times by 1 test: return d->anim->velocity;
Executed by:
  • tst_qquicksmoothedanimation
6
519}-
520-
521/*!-
522 \qmlproperty real QtQuick::SmoothedAnimation::velocity-
523-
524 This property holds the average velocity allowed when tracking the 'to' value.-
525-
526 The default velocity of SmoothedAnimation is 200 units/second.-
527-
528 Setting this to -1 disables the velocity value.-
529-
530 If the velocity value and the duration value are both enabled, then the animation will-
531 use whichever gives the shorter duration.-
532*/-
533void QQuickSmoothedAnimation::setVelocity(qreal v)-
534{-
535 Q_D(QQuickSmoothedAnimation);-
536 if (d->anim->velocity == v)
d->anim->velocity == vDescription
TRUEevaluated 6 times by 1 test
Evaluated by:
  • tst_qquicklistview
FALSEevaluated 18 times by 2 tests
Evaluated by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
6-18
537 return;
executed 6 times by 1 test: return;
Executed by:
  • tst_qquicklistview
6
538-
539 d->anim->velocity = v;-
540 emit velocityChanged();-
541 d->updateRunningAnimations();-
542}
executed 18 times by 2 tests: end of block
Executed by:
  • tst_qquickbehaviors
  • tst_qquicksmoothedanimation
18
543-
544/*!-
545 \qmlproperty int QtQuick::SmoothedAnimation::maximumEasingTime-
546-
547 This property specifies the maximum time, in msecs, any "eases" during the follow should take.-
548 Setting this property causes the velocity to "level out" after at a time. Setting-
549 a negative value reverts to the normal mode of easing over the entire animation-
550 duration.-
551-
552 The default value is -1.-
553*/-
554int QQuickSmoothedAnimation::maximumEasingTime() const-
555{-
556 Q_D(const QQuickSmoothedAnimation);-
557 return d->anim->maximumEasingTime;
executed 6 times by 1 test: return d->anim->maximumEasingTime;
Executed by:
  • tst_qquicksmoothedanimation
6
558}-
559-
560void QQuickSmoothedAnimation::setMaximumEasingTime(int v)-
561{-
562 Q_D(QQuickSmoothedAnimation);-
563 if(v == d->anim->maximumEasingTime)
v == d->anim->...imumEasingTimeDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquicksmoothedanimation
0-2
564 return;
never executed: return;
0
565 d->anim->maximumEasingTime = v;-
566 emit maximumEasingTimeChanged();-
567 d->updateRunningAnimations();-
568}
executed 2 times by 1 test: end of block
Executed by:
  • tst_qquicksmoothedanimation
2
569-
570QT_END_NAMESPACE-
571-
572#include "moc_qquicksmoothedanimation_p.cpp"-
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