103 lines
2.9 KiB
C++
103 lines
2.9 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
|
|
*/
|
|
#include "statistics/statistics_common.h"
|
|
#include "statistics/view/abstract_chart_view.h"
|
|
|
|
#include "data/data_statistics_chart.h"
|
|
#include "statistics/chart_lines_filter_controller.h"
|
|
|
|
namespace Statistic {
|
|
|
|
bool CachedSelectedPoints::isSame(int x, const PaintContext &c) const {
|
|
return (lastXIndex == x)
|
|
&& (lastHeightLimits.min == c.heightLimits.min)
|
|
&& (lastHeightLimits.max == c.heightLimits.max)
|
|
&& (lastXLimits.min == c.xPercentageLimits.min)
|
|
&& (lastXLimits.max == c.xPercentageLimits.max);
|
|
}
|
|
|
|
DoubleLineRatios::DoubleLineRatios(bool isDouble) {
|
|
first = second = (isDouble ? 0 : 1);
|
|
}
|
|
|
|
void DoubleLineRatios::init(const Data::StatisticalChart &chartData) {
|
|
if (chartData.lines.size() != 2) {
|
|
first = 1.;
|
|
second = 1.;
|
|
} else {
|
|
const auto firstMax = chartData.lines.front().maxValue;
|
|
const auto secondMax = chartData.lines.back().maxValue;
|
|
if (firstMax > secondMax) {
|
|
first = 1.;
|
|
second = firstMax / float64(secondMax);
|
|
} else {
|
|
first = secondMax / float64(firstMax);
|
|
second = 1.;
|
|
}
|
|
}
|
|
}
|
|
|
|
float64 DoubleLineRatios::ratio(int lineId) const {
|
|
return (lineId == 1) ? first : second;
|
|
}
|
|
|
|
void AbstractChartView::setUpdateCallback(Fn<void()> callback) {
|
|
_updateCallback = std::move(callback);
|
|
}
|
|
|
|
void AbstractChartView::update() {
|
|
if (_updateCallback) {
|
|
_updateCallback();
|
|
}
|
|
}
|
|
|
|
void AbstractChartView::setLinesFilterController(
|
|
std::shared_ptr<LinesFilterController> c) {
|
|
_linesFilterController = std::move(c);
|
|
}
|
|
|
|
auto AbstractChartView::linesFilterController() const
|
|
-> std::shared_ptr<LinesFilterController> {
|
|
return _linesFilterController;
|
|
}
|
|
|
|
AbstractChartView::HeightLimits DefaultHeightLimits(
|
|
const DoubleLineRatios &ratios,
|
|
const std::shared_ptr<LinesFilterController> &linesFilter,
|
|
Data::StatisticalChart &chartData,
|
|
Limits xIndices) {
|
|
auto minValue = std::numeric_limits<int>::max();
|
|
auto maxValue = 0;
|
|
|
|
auto minValueFull = std::numeric_limits<int>::max();
|
|
auto maxValueFull = 0;
|
|
for (auto &l : chartData.lines) {
|
|
if (!linesFilter->isEnabled(l.id)) {
|
|
continue;
|
|
}
|
|
const auto r = ratios.ratio(l.id);
|
|
const auto lineMax = l.segmentTree.rMaxQ(xIndices.min, xIndices.max);
|
|
const auto lineMin = l.segmentTree.rMinQ(xIndices.min, xIndices.max);
|
|
maxValue = std::max(int(lineMax * r), maxValue);
|
|
minValue = std::min(int(lineMin * r), minValue);
|
|
|
|
maxValueFull = std::max(int(l.maxValue * r), maxValueFull);
|
|
minValueFull = std::min(int(l.minValue * r), minValueFull);
|
|
}
|
|
if (maxValue == minValue) {
|
|
maxValue = chartData.maxValue;
|
|
minValue = chartData.minValue;
|
|
}
|
|
return {
|
|
.full = Limits{ float64(minValueFull), float64(maxValueFull) },
|
|
.ranged = Limits{ float64(minValue), float64(maxValue) },
|
|
};
|
|
}
|
|
|
|
} // namespace Statistic
|