58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace Ui {
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class RadialAnimation {
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public:
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RadialAnimation(AnimationCallbacks &&callbacks);
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float64 opacity() const {
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return _opacity;
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}
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bool animating() const {
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return _animation.animating();
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}
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void start(float64 prg);
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void update(float64 prg, bool finished, TimeMs ms);
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void stop();
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void step(TimeMs ms);
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void step() {
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step(getms());
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}
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void draw(Painter &p, const QRect &inner, int32 thickness, style::color color);
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private:
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TimeMs _firstStart = 0;
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TimeMs _lastStart = 0;
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TimeMs _lastTime = 0;
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float64 _opacity = 0.;
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anim::value a_arcEnd;
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anim::value a_arcStart;
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BasicAnimation _animation;
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};
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} // namespace Ui
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