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libkwineffects/kwineffects.cpp
| 1 | /******************************************************************** | 1 | /******************************************************************** | ||
|---|---|---|---|---|---|
| 2 | KWin - the KDE window manager | 2 | KWin - the KDE window manager | ||
| 3 | This file is part of the KDE project. | 3 | This file is part of the KDE project. | ||
| 4 | 4 | | |||
| 5 | Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org> | 5 | Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org> | ||
| 6 | Copyright (C) 2009 Lucas Murray <lmurray@undefinedfire.com> | 6 | Copyright (C) 2009 Lucas Murray <lmurray@undefinedfire.com> | ||
| 7 | Copyright (C) 2018 Vlad Zagorodniy <vladzzag@gmail.com> | ||||
| 7 | 8 | | |||
| 8 | This program is free software; you can redistribute it and/or modify | 9 | This program is free software; you can redistribute it and/or modify | ||
| 9 | it under the terms of the GNU General Public License as published by | 10 | it under the terms of the GNU General Public License as published by | ||
| 10 | the Free Software Foundation; either version 2 of the License, or | 11 | the Free Software Foundation; either version 2 of the License, or | ||
| 11 | (at your option) any later version. | 12 | (at your option) any later version. | ||
| 12 | 13 | | |||
| 13 | This program is distributed in the hope that it will be useful, | 14 | This program is distributed in the hope that it will be useful, | ||
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| ▲ Show 20 Lines • Show All 1899 Lines • ▼ Show 20 Line(s) | 1914 | { | |||
| 1914 | return d->screenProjectionMatrix; | 1915 | return d->screenProjectionMatrix; | ||
| 1915 | } | 1916 | } | ||
| 1916 | 1917 | | |||
| 1917 | void EffectFrame::setScreenProjectionMatrix(const QMatrix4x4 &spm) | 1918 | void EffectFrame::setScreenProjectionMatrix(const QMatrix4x4 &spm) | ||
| 1918 | { | 1919 | { | ||
| 1919 | d->screenProjectionMatrix = spm; | 1920 | d->screenProjectionMatrix = spm; | ||
| 1920 | } | 1921 | } | ||
| 1921 | 1922 | | |||
| 1923 | /*************************************************************** | ||||
| 1924 | TimeLine | ||||
| 1925 | ***************************************************************/ | ||||
| 1926 | | ||||
| 1927 | TimeLine::TimeLine(int duration, Direction direction) | ||||
| 1928 | : m_duration(duration) | ||||
| 1929 | , m_direction(direction) | ||||
| 1930 | { | ||||
| 1931 | Q_ASSERT(m_duration > 0); | ||||
| 1932 | } | ||||
| 1933 | | ||||
| 1934 | qreal TimeLine::progress() const | ||||
| 1935 | { | ||||
| 1936 | return static_cast<qreal>(m_elapsed) / m_duration; | ||||
| 1937 | } | ||||
| 1938 | | ||||
| 1939 | qreal TimeLine::value() const | ||||
| 1940 | { | ||||
| 1941 | const qreal t = progress(); | ||||
| 1942 | return m_easingCurve.valueForProgress( | ||||
| 1943 | m_direction == Backward ? 1.0 - t : t); | ||||
| 1944 | } | ||||
| 1945 | | ||||
| 1946 | void TimeLine::update(int delta) | ||||
| 1947 | { | ||||
| 1948 | Q_ASSERT(delta >= 0); | ||||
| 1949 | if (m_done) { | ||||
| 1950 | return; | ||||
| 1951 | } | ||||
graesslin: TimeLine::~TimeLine() = default; | |||||
| 1952 | m_elapsed += delta; | ||||
| 1953 | if (m_elapsed >= m_duration) { | ||||
| 1954 | m_done = true; | ||||
| 1955 | m_elapsed = m_duration; | ||||
| 1956 | } | ||||
| 1957 | } | ||||
| 1958 | | ||||
| 1959 | int TimeLine::elapsed() const | ||||
| 1960 | { | ||||
| 1961 | return m_elapsed; | ||||
| 1962 | } | ||||
| 1963 | | ||||
| 1964 | void TimeLine::setElapsed(int elapsed) | ||||
| 1965 | { | ||||
| 1966 | Q_ASSERT(elapsed >= 0); | ||||
| 1967 | if (elapsed == m_elapsed) { | ||||
| 1968 | return; | ||||
| 1969 | } | ||||
| 1970 | reset(); | ||||
| 1971 | update(elapsed); | ||||
| 1972 | } | ||||
| 1973 | | ||||
| 1974 | int TimeLine::duration() const | ||||
| 1975 | { | ||||
| 1976 | return m_duration; | ||||
| 1977 | } | ||||
| 1978 | | ||||
| 1979 | void TimeLine::setDuration(int duration) | ||||
| 1980 | { | ||||
| 1981 | Q_ASSERT(duration > 0); | ||||
| 1982 | if (duration == m_duration) { | ||||
| 1983 | return; | ||||
| 1984 | } | ||||
| 1985 | m_elapsed = qRound(progress() * duration); | ||||
| 1986 | m_duration = duration; | ||||
| 1987 | if (m_elapsed == m_duration) { | ||||
| 1988 | m_done = true; | ||||
| 1989 | } | ||||
| 1990 | } | ||||
| 1991 | | ||||
| 1992 | TimeLine::Direction TimeLine::direction() const | ||||
| 1993 | { | ||||
| 1994 | return m_direction; | ||||
| 1995 | } | ||||
| 1996 | | ||||
| 1997 | void TimeLine::setDirection(TimeLine::Direction direction) | ||||
| 1998 | { | ||||
| 1999 | if (m_direction == direction) { | ||||
| 2000 | return; | ||||
| 2001 | } | ||||
| 2002 | if (m_elapsed > 0) { | ||||
| 2003 | m_elapsed = m_duration - m_elapsed; | ||||
| 2004 | } | ||||
| 2005 | m_direction = direction; | ||||
| 2006 | } | ||||
| 2007 | | ||||
| 2008 | void TimeLine::toggleDirection() | ||||
| 2009 | { | ||||
| 2010 | setDirection(m_direction == Forward ? Backward : Forward); | ||||
| 2011 | } | ||||
| 2012 | | ||||
| 2013 | QEasingCurve TimeLine::easingCurve() const | ||||
| 2014 | { | ||||
| 2015 | return m_easingCurve; | ||||
| 2016 | } | ||||
| 2017 | | ||||
| 2018 | void TimeLine::setEasingCurve(const QEasingCurve &easingCurve) | ||||
| 2019 | { | ||||
| 2020 | m_easingCurve = easingCurve; | ||||
| 2021 | } | ||||
| 2022 | | ||||
| 2023 | void TimeLine::setEasingCurve(QEasingCurve::Type type) | ||||
| 2024 | { | ||||
| 2025 | m_easingCurve.setType(type); | ||||
| 2026 | } | ||||
| 2027 | | ||||
| 2028 | bool TimeLine::running() const | ||||
| 2029 | { | ||||
| 2030 | return m_elapsed != 0 && m_elapsed != m_duration; | ||||
| 2031 | } | ||||
| 2032 | | ||||
| 2033 | bool TimeLine::done() const | ||||
| 2034 | { | ||||
| 2035 | return m_done; | ||||
| 2036 | } | ||||
| 2037 | | ||||
| 2038 | void TimeLine::reset() | ||||
| 2039 | { | ||||
| 2040 | m_elapsed = 0; | ||||
| 2041 | m_done = false; | ||||
| 2042 | } | ||||
| 2043 | | ||||
| 1922 | } // namespace | 2044 | } // namespace | ||
| 1923 | 2045 | | |||
TimeLine::~TimeLine() = default;