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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the test suite module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "rectanimation.h" |
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43 #include "dummyobject.h" |
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44 |
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45 static inline int interpolateInteger(int from, int to, qreal progress) |
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46 { |
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47 return from + (to - from) * progress; |
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48 } |
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49 |
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50 |
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51 RectAnimation::RectAnimation(DummyObject *obj) : m_object(obj), m_dura(250) |
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52 { |
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53 } |
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54 |
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55 void RectAnimation::setEndValue(const QRect &rect) |
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56 { |
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57 m_end = rect; |
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58 } |
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59 |
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60 void RectAnimation::setStartValue(const QRect &rect) |
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61 { |
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62 m_start = rect; |
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63 } |
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64 |
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65 void RectAnimation::setDuration(int d) |
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66 { |
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67 m_dura = d; |
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68 } |
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69 |
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70 int RectAnimation::duration() const |
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71 { |
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72 return m_dura; |
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73 } |
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74 |
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75 |
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76 void RectAnimation::updateCurrentTime(int currentTime) |
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77 { |
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78 qreal progress = m_easing.valueForProgress( currentTime / qreal(m_dura) ); |
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79 QRect now; |
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80 now.setCoords(interpolateInteger(m_start.left(), m_end.left(), progress), |
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81 interpolateInteger(m_start.top(), m_end.top(), progress), |
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82 interpolateInteger(m_start.right(), m_end.right(), progress), |
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83 interpolateInteger(m_start.bottom(), m_end.bottom(), progress)); |
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84 |
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85 bool changed = (now != m_current); |
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86 if (changed) |
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87 m_current = now; |
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88 |
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89 if (state() == Stopped) |
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90 return; |
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91 |
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92 if (m_object) |
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93 m_object->setRect(m_current); |
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94 } |
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95 |
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96 void RectAnimation::updateState(QAbstractAnimation::State state) |
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97 { |
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98 Q_UNUSED(state); |
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99 } |