97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
/*
|
|
This file is part of Telegram Desktop,
|
|
an unofficial desktop messaging app, see https://telegram.org
|
|
|
|
Telegram Desktop is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
It is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
|
|
Copyright (c) 2014 John Preston, https://tdesktop.com
|
|
*/
|
|
#include "stdafx.h"
|
|
|
|
#include "animation.h"
|
|
#include <QtCore/QTimer>
|
|
|
|
namespace {
|
|
AnimationManager *manager = 0;
|
|
};
|
|
|
|
namespace anim {
|
|
|
|
float64 linear(const float64 &delta, const float64 &dt) {
|
|
return delta * dt;
|
|
}
|
|
|
|
float64 sineInOut(const float64 &delta, const float64 &dt) {
|
|
return -(delta / 2) * (cos(M_PI * dt) - 1);
|
|
}
|
|
|
|
float64 halfSine(const float64 &delta, const float64 &dt) {
|
|
return delta * sin(M_PI * dt / 2);
|
|
}
|
|
|
|
float64 easeOutBack(const float64 &delta, const float64 &dt) {
|
|
static const float64 s = 1.70158;
|
|
|
|
const float64 t = dt - 1;
|
|
return delta * (t * t * ((s + 1) * t + s) + 1);
|
|
}
|
|
|
|
float64 easeInCirc(const float64 &delta, const float64 &dt) {
|
|
return -delta * (sqrt(1 - dt * dt) - 1);
|
|
}
|
|
|
|
float64 easeOutCirc(const float64 &delta, const float64 &dt) {
|
|
const float64 t = dt - 1;
|
|
return delta * sqrt(1 - t * t);
|
|
}
|
|
|
|
float64 easeInCubic(const float64 &delta, const float64 &dt) {
|
|
return delta * dt * dt * dt;
|
|
}
|
|
|
|
float64 easeOutCubic(const float64 &delta, const float64 &dt) {
|
|
const float64 t = dt - 1;
|
|
return delta * (t * t * t + 1);
|
|
}
|
|
|
|
float64 easeInQuint(const float64 &delta, const float64 &dt) {
|
|
const float64 t2 = dt * dt;
|
|
return delta * t2 * t2 * dt;
|
|
}
|
|
|
|
float64 easeOutQuint(const float64 &delta, const float64 &dt) {
|
|
const float64 t = dt - 1, t2 = t * t;
|
|
return delta * (t2 * t2 * t + 1);
|
|
}
|
|
|
|
void start(Animated *obj) {
|
|
if (!manager) return;
|
|
manager->start(obj);
|
|
}
|
|
|
|
void stop(Animated *obj) {
|
|
if (!manager) return;
|
|
manager->stop(obj);
|
|
}
|
|
|
|
void startManager() {
|
|
delete manager;
|
|
manager = new AnimationManager();
|
|
}
|
|
|
|
void stopManager() {
|
|
delete manager;
|
|
manager = 0;
|
|
}
|
|
|
|
}
|