2023-08-27 21:44:50 +00:00
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "statistics/view/stack_chart_view.h"
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2023-08-27 22:17:30 +00:00
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#include "data/data_statistics.h"
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2023-08-27 21:44:50 +00:00
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namespace Statistic {
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namespace {
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} // namespace
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StackChartView::StackChartView() = default;
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StackChartView::~StackChartView() = default;
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void StackChartView::paint(
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QPainter &p,
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const Data::StatisticalChart &chartData,
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const Limits &xIndices,
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const Limits &xPercentageLimits,
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const Limits &heightLimits,
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const QRect &rect,
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bool footer) {
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2023-08-27 23:40:59 +00:00
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const auto localStart = std::max(0, int(xIndices.min) - 2);
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const auto localEnd = std::min(
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int(chartData.xPercentage.size() - 1),
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int(xIndices.max) + 2);
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const auto fullWidth = rect.width() / (xPercentageLimits.max - xPercentageLimits.min);
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const auto offset = fullWidth * xPercentageLimits.min;
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const auto pp = (chartData.xPercentage.size() < 2)
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? 1.
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: chartData.xPercentage[1] * fullWidth;
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const auto w = chartData.xPercentage[1] * (fullWidth - pp);
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// const auto w = rect.width() / float64(localEnd - localStart);
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const auto r = w / 2.;
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const auto leftStart = chartData.xPercentage[localStart] * (fullWidth - pp) - offset + rect.x();
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auto paths = std::vector<QPainterPath>();
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paths.resize(chartData.lines.size());
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for (auto i = localStart; i <= localEnd; i++) {
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auto chartPoints = QPolygonF();
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const auto xPoint = rect.width()
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* ((chartData.xPercentage[i] - xPercentageLimits.min)
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/ (xPercentageLimits.max - xPercentageLimits.min));
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auto bottom = float64(-rect.y());
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const auto left = leftStart + (i - localStart) * w;
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for (auto j = 0; j < chartData.lines.size(); j++) {
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const auto &line = chartData.lines[j];
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if (line.y[i] <= 0) {
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continue;
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}
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const auto yPercentage = (line.y[i] - heightLimits.min)
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/ float64(heightLimits.max - heightLimits.min);
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const auto yPoint = yPercentage * rect.height() * alpha(line.id);
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// const auto column = QRectF(
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// xPoint - r,
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// rect.height() - bottom - yPoint,
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// w,
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// yPoint);
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const auto column = QRectF(
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left,
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rect.height() - bottom - yPoint,
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w,
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yPoint);
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paths[j].addRect(column);
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// p.setPen(Qt::NoPen);
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// p.setBrush(line.color);
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// p.setOpacity(0.3);
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// // p.setOpacity(1.);
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// p.drawRect(column);
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// p.setOpacity(1.);
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bottom += yPoint;
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}
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}
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p.setPen(Qt::NoPen);
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for (auto i = 0; i < paths.size(); i++) {
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p.fillPath(paths[i], chartData.lines[i].color);
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}
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2023-08-27 21:44:50 +00:00
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}
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void StackChartView::paintSelectedXIndex(
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QPainter &p,
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const Data::StatisticalChart &chartData,
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const Limits &xPercentageLimits,
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const Limits &heightLimits,
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const QRect &rect,
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2023-09-05 14:03:08 +00:00
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int selectedXIndex,
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float64 progress) {
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2023-08-27 21:44:50 +00:00
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}
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void StackChartView::setEnabled(int id, bool enabled, crl::time now) {
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}
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bool StackChartView::isFinished() const {
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return true;
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}
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bool StackChartView::isEnabled(int id) const {
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return true;
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}
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float64 StackChartView::alpha(int id) const {
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return 1.0;
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}
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AbstractChartView::HeightLimits StackChartView::heightLimits(
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Data::StatisticalChart &chartData,
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Limits xIndices) {
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2023-08-27 22:17:30 +00:00
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if (_cachedHeightLimits.ySum.empty()) {
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_cachedHeightLimits.ySum.reserve(chartData.x.size());
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auto maxValueFull = 0;
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for (auto i = 0; i < chartData.x.size(); i++) {
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auto sum = 0;
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for (const auto &line : chartData.lines) {
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if (isEnabled(line.id)) {
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sum += line.y[i];
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}
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}
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_cachedHeightLimits.ySum.push_back(sum);
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maxValueFull = std::max(sum, maxValueFull);
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}
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_cachedHeightLimits.ySumSegmentTree = SegmentTree(
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_cachedHeightLimits.ySum);
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_cachedHeightLimits.full = { 0., float64(maxValueFull) };
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}
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const auto max = _cachedHeightLimits.ySumSegmentTree.rMaxQ(
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xIndices.min,
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xIndices.max);
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return {
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.full = _cachedHeightLimits.full,
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.ranged = { 0., float64(max) },
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};
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2023-08-27 21:44:50 +00:00
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}
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void StackChartView::tick(crl::time now) {
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}
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} // namespace Statistic
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