mirror of https://github.com/procxx/kepka.git
70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
//
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// This file is part of Kepka,
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// an unofficial desktop version of Telegram messaging app,
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// see https://github.com/procxx/kepka
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//
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// Kepka 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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//
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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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//
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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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//
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// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
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// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
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//
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#pragma once
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#include "styles/style_widgets.h"
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namespace Ui {
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class RippleAnimation {
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public:
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using UpdateCallback = Fn<void()>;
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// White upon transparent mask, like colorizeImage(black-white-mask, white).
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RippleAnimation(const style::RippleAnimation &st, QImage mask, const UpdateCallback &update);
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void add(QPoint origin, int startRadius = 0);
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void addFading();
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void lastStop();
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void lastUnstop();
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void lastFinish();
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void paint(QPainter &p, int x, int y, int outerWidth, TimeMs ms, const QColor *colorOverride = nullptr);
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bool empty() const {
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return _ripples.isEmpty();
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}
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static QImage maskByDrawer(QSize size, bool filled, Fn<void(QPainter &p)> drawer);
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static QImage rectMask(QSize size);
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static QImage roundRectMask(QSize size, int radius);
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static QImage ellipseMask(QSize size);
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~RippleAnimation() {
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clear();
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}
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private:
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void clear();
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void clearFinished();
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const style::RippleAnimation &_st;
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QPixmap _mask;
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UpdateCallback _update;
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class Ripple;
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QList<Ripple *> _ripples;
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};
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} // namespace Ui
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