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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 | class Q_DECL_HIDDEN TimeLine::Data : public QSharedData | ||||
| 1928 | { | ||||
| 1929 | public: | ||||
| 1930 | std::chrono::milliseconds duration; | ||||
| 1931 | Direction direction; | ||||
| 1932 | QEasingCurve easingCurve; | ||||
| 1933 | | ||||
| 1934 | std::chrono::milliseconds elapsed = std::chrono::milliseconds::zero(); | ||||
| 1935 | bool done = false; | ||||
| 1936 | }; | ||||
| 1937 | | ||||
| 1938 | TimeLine::TimeLine(std::chrono::milliseconds duration, Direction direction) | ||||
| 1939 | : d(new Data) | ||||
| 1940 | { | ||||
| 1941 | Q_ASSERT(duration > std::chrono::milliseconds::zero()); | ||||
| 1942 | d->duration = duration; | ||||
| 1943 | d->direction = direction; | ||||
| 1944 | } | ||||
| 1945 | | ||||
| 1946 | TimeLine::TimeLine(const TimeLine &other) | ||||
| 1947 | : d(other.d) | ||||
| 1948 | { | ||||
| 1949 | } | ||||
| 1950 | | ||||
| 1951 | TimeLine::~TimeLine() = default; | ||||
graesslin: TimeLine::~TimeLine() = default; | |||||
| 1952 | | ||||
| 1953 | qreal TimeLine::progress() const | ||||
| 1954 | { | ||||
| 1955 | return static_cast<qreal>(d->elapsed.count()) / d->duration.count(); | ||||
| 1956 | } | ||||
| 1957 | | ||||
| 1958 | qreal TimeLine::value() const | ||||
| 1959 | { | ||||
| 1960 | const qreal t = progress(); | ||||
| 1961 | return d->easingCurve.valueForProgress( | ||||
| 1962 | d->direction == Backward ? 1.0 - t : t); | ||||
| 1963 | } | ||||
| 1964 | | ||||
| 1965 | void TimeLine::update(std::chrono::milliseconds delta) | ||||
| 1966 | { | ||||
| 1967 | Q_ASSERT(delta >= std::chrono::milliseconds::zero()); | ||||
| 1968 | if (d->done) { | ||||
| 1969 | return; | ||||
| 1970 | } | ||||
| 1971 | d->elapsed += delta; | ||||
| 1972 | if (d->elapsed >= d->duration) { | ||||
| 1973 | d->done = true; | ||||
| 1974 | d->elapsed = d->duration; | ||||
| 1975 | } | ||||
| 1976 | } | ||||
| 1977 | | ||||
| 1978 | std::chrono::milliseconds TimeLine::elapsed() const | ||||
| 1979 | { | ||||
| 1980 | return d->elapsed; | ||||
| 1981 | } | ||||
| 1982 | | ||||
| 1983 | void TimeLine::setElapsed(std::chrono::milliseconds elapsed) | ||||
| 1984 | { | ||||
| 1985 | Q_ASSERT(elapsed >= std::chrono::milliseconds::zero()); | ||||
| 1986 | if (elapsed == d->elapsed) { | ||||
| 1987 | return; | ||||
| 1988 | } | ||||
| 1989 | reset(); | ||||
| 1990 | update(elapsed); | ||||
| 1991 | } | ||||
| 1992 | | ||||
| 1993 | std::chrono::milliseconds TimeLine::duration() const | ||||
| 1994 | { | ||||
| 1995 | return d->duration; | ||||
| 1996 | } | ||||
| 1997 | | ||||
| 1998 | void TimeLine::setDuration(std::chrono::milliseconds duration) | ||||
| 1999 | { | ||||
| 2000 | Q_ASSERT(duration > std::chrono::milliseconds::zero()); | ||||
| 2001 | if (duration == d->duration) { | ||||
| 2002 | return; | ||||
| 2003 | } | ||||
| 2004 | d->elapsed = std::chrono::milliseconds(qRound(progress() * duration.count())); | ||||
| 2005 | d->duration = duration; | ||||
| 2006 | if (d->elapsed == d->duration) { | ||||
| 2007 | d->done = true; | ||||
| 2008 | } | ||||
| 2009 | } | ||||
| 2010 | | ||||
| 2011 | TimeLine::Direction TimeLine::direction() const | ||||
| 2012 | { | ||||
| 2013 | return d->direction; | ||||
| 2014 | } | ||||
| 2015 | | ||||
| 2016 | void TimeLine::setDirection(TimeLine::Direction direction) | ||||
| 2017 | { | ||||
| 2018 | if (d->direction == direction) { | ||||
| 2019 | return; | ||||
| 2020 | } | ||||
| 2021 | if (d->elapsed > std::chrono::milliseconds::zero()) { | ||||
| 2022 | d->elapsed = d->duration - d->elapsed; | ||||
| 2023 | } | ||||
| 2024 | d->direction = direction; | ||||
| 2025 | } | ||||
| 2026 | | ||||
| 2027 | void TimeLine::toggleDirection() | ||||
| 2028 | { | ||||
| 2029 | setDirection(d->direction == Forward ? Backward : Forward); | ||||
| 2030 | } | ||||
| 2031 | | ||||
| 2032 | QEasingCurve TimeLine::easingCurve() const | ||||
| 2033 | { | ||||
| 2034 | return d->easingCurve; | ||||
| 2035 | } | ||||
| 2036 | | ||||
| 2037 | void TimeLine::setEasingCurve(const QEasingCurve &easingCurve) | ||||
| 2038 | { | ||||
| 2039 | d->easingCurve = easingCurve; | ||||
| 2040 | } | ||||
| 2041 | | ||||
| 2042 | void TimeLine::setEasingCurve(QEasingCurve::Type type) | ||||
| 2043 | { | ||||
| 2044 | d->easingCurve.setType(type); | ||||
| 2045 | } | ||||
| 2046 | | ||||
| 2047 | bool TimeLine::running() const | ||||
| 2048 | { | ||||
| 2049 | return d->elapsed != std::chrono::milliseconds::zero() | ||||
| 2050 | && d->elapsed != d->duration; | ||||
| 2051 | } | ||||
| 2052 | | ||||
| 2053 | bool TimeLine::done() const | ||||
| 2054 | { | ||||
| 2055 | return d->done; | ||||
| 2056 | } | ||||
| 2057 | | ||||
| 2058 | void TimeLine::reset() | ||||
| 2059 | { | ||||
| 2060 | d->elapsed = std::chrono::milliseconds::zero(); | ||||
| 2061 | d->done = false; | ||||
| 2062 | } | ||||
| 2063 | | ||||
| 2064 | TimeLine &TimeLine::operator=(const TimeLine &other) | ||||
| 2065 | { | ||||
| 2066 | d = other.d; | ||||
| 2067 | return *this; | ||||
| 2068 | } | ||||
| 2069 | | ||||
| 1922 | } // namespace | 2070 | } // namespace | ||
| 1923 | 2071 | | |||
TimeLine::~TimeLine() = default;