tdesktop/Telegram/SourceFiles/ui/effects/ripple_animation.h

53 lines
1.2 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "styles/style_widgets.h"
namespace Ui {
class RippleAnimation {
public:
// White upon transparent mask, like colorizeImage(black-white-mask, white).
RippleAnimation(const style::RippleAnimation &st, QImage mask, Fn<void()> update);
void add(QPoint origin, int startRadius = 0);
void addFading();
void lastStop();
void lastUnstop();
void lastFinish();
void forceRepaint();
void paint(QPainter &p, int x, int y, int outerWidth, TimeMs ms, const QColor *colorOverride = nullptr);
bool empty() const {
return _ripples.empty();
}
static QImage maskByDrawer(QSize size, bool filled, Fn<void(QPainter &p)> drawer);
static QImage rectMask(QSize size);
static QImage roundRectMask(QSize size, int radius);
static QImage ellipseMask(QSize size);
~RippleAnimation();
private:
void clear();
void clearFinished();
const style::RippleAnimation &_st;
QPixmap _mask;
Fn<void()> _update;
class Ripple;
std::deque<std::unique_ptr<Ripple>> _ripples;
};
} // namespace Ui