AyuGramDesktop/Telegram/SourceFiles/ui/effects/premium_stars.h

83 lines
1.7 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 "ui/effects/animations.h"
#include <QSvgRenderer>
namespace Ui {
namespace Premium {
class MiniStars final {
public:
enum class Type {
MonoStars,
BiStars,
};
MiniStars(
Fn<void(const QRect &r)> updateCallback,
bool opaque = false,
Type type = Type::MonoStars);
void paint(QPainter &p, const QRectF &rect);
void setPaused(bool paused);
static constexpr auto kSizeFactor = 1.5;
private:
struct MiniStar {
crl::time birthTime = 0;
crl::time deathTime = 0;
int angle = 0;
float64 size = 0.;
float64 alpha = 0.;
float64 sinFactor = 0.;
not_null<QSvgRenderer*> sprite;
};
struct Interval {
int from = 0;
int length = 0;
};
void createStar(crl::time now);
[[nodiscard]] crl::time timeNow() const;
[[nodiscard]] int randomInterval(
const Interval &interval,
const gsl::byte &random) const;
const std::vector<Interval> _availableAngles;
const Interval _lifeLength;
const Interval _deathTime;
const Interval _size;
const Interval _alpha;
const Interval _sinFactor;
const Interval _spritesCount;
const float64 _appearProgressTill;
const float64 _disappearProgressAfter;
const float64 _distanceProgressStart;
QSvgRenderer _sprite;
std::unique_ptr<QSvgRenderer> _secondSprite;
Ui::Animations::Basic _animation;
std::vector<MiniStar> _ministars;
crl::time _nextBirthTime = 0;
bool _paused = false;
QRect _rectToUpdate;
};
} // namespace Premium
} // namespace Ui