plugins/Utils/easingcurve.cpp · unity8

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unity8/plugins/Utils/easingcurve.cpp

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1/*

3 *

4 * This program is free software; you can redistribute it and/or modify

5 * it under the terms of the GNU Lesser General Public License as published by

6 * the Free Software Foundation; version 3.

7 *

8 * This program is distributed in the hope that it will be useful,

9 * but WITHOUT ANY WARRANTY; without even the implied warranty of

10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

11 * GNU Lesser General Public License for more details.

12 *

13 * You should have received a copy of the GNU Lesser General Public License

14 * along with this program. If not, see <http://www.gnu.org/licenses/>.

15 *

16 * Authors: Michael Zanetti <michael.zanetti@canonical.com>

17*/

19#include "easingcurve.h"

22EasingCurve::EasingCurve(QObject *parent):

23 QObject(parent),

24 m_progress(0),

25 m_value(0)

26{

28}

30QEasingCurve::Type EasingCurve::type() const

31{

32 return m_easingCurve.type();

33}

35void EasingCurve::setType(const QEasingCurve::Type type)

36{

37 // FIXME: Working around bug https://bugreports.qt-project.org/browse/QTBUG-38686 here

38 QEasingCurve newCurve;

39 newCurve.setType(type);

40 newCurve.setPeriod(m_easingCurve.period());

41 m_easingCurve = newCurve;

42 Q_EMIT typeChanged();

43}

45qreal EasingCurve::period() const

46{

47 return m_easingCurve.period();

48}

50void EasingCurve::setPeriod(qreal period)

51{

52 m_easingCurve.setPeriod(period);

53 Q_EMIT periodChanged();

54}

56qreal EasingCurve::progress() const

57{

58 return m_progress;

59}

61void EasingCurve::setProgress(qreal progress)

62{

63 if (m_progress != progress) {

64 m_progress = progress;

65 m_value = m_easingCurve.valueForProgress(m_progress);

66 Q_EMIT progressChanged();

67 }

68}

70qreal EasingCurve::value() const

71{

72 return m_value;

73}