tdesktop/Telegram/SourceFiles/statistics/linear_chart_view.h
2023-10-11 22:12:30 +04:00

95 lines
2.1 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 <statistics/statistics_common.h>
namespace Data {
struct StatisticalChart;
} // namespace Data
namespace Statistic {
struct Limits;
struct DetailsPaintContext;
class LinearChartView {
public:
LinearChartView();
void paint(
QPainter &p,
const Data::StatisticalChart &chartData,
const Limits &xIndices,
const Limits &xPercentageLimits,
const Limits &heightLimits,
const QRect &rect,
DetailsPaintContext &detailsPaintContext);
void setEnabled(int id, bool enabled, crl::time now);
[[nodiscard]] bool isEnabled(int id) const;
[[nodiscard]] bool isFinished() const;
[[nodiscard]] float64 alpha(int id) const;
void tick(crl::time now);
private:
struct CacheToken final {
explicit CacheToken() = default;
explicit CacheToken(
Limits xIndices,
Limits xPercentageLimits,
Limits heightLimits,
QSize rectSize)
: xIndices(std::move(xIndices))
, xPercentageLimits(std::move(xPercentageLimits))
, heightLimits(std::move(heightLimits))
, rectSize(std::move(rectSize)) {
}
bool operator==(const CacheToken &other) const {
return (rectSize == other.rectSize)
&& (xIndices.min == other.xIndices.min)
&& (xIndices.max == other.xIndices.max)
&& (xPercentageLimits.min == other.xPercentageLimits.min)
&& (xPercentageLimits.max == other.xPercentageLimits.max)
&& (heightLimits.min == other.heightLimits.min)
&& (heightLimits.max == other.heightLimits.max);
}
bool operator!=(const CacheToken &other) const {
return !(*this == other);
}
Limits xIndices;
Limits xPercentageLimits;
Limits heightLimits;
QSize rectSize;
};
struct Cache final {
QImage image;
CacheToken lastToken;
bool hq = false;
};
base::flat_map<int, Cache> _caches;
struct Entry final {
bool enabled = false;
crl::time startedAt = 0;
float64 alpha = 1.;
};
base::flat_map<int, Entry> _entries;
bool _isFinished = true;
};
} // namespace Statistic