init

Telegram/SourceFiles/statistics/view/stack_linear_chart_common.h

@@ -0,0 +1,39 @@
+/*
+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
+
+namespace Data {
+struct StatisticalChart;
+} // namespace Data
+
+namespace Statistic {
+
+struct Limits;
+class LinesFilterController;
+
+struct PiePartData final {
+	struct Part final {
+		float64 roundedPercentage = 0; // 0.XX.
+		float64 stackedAngle = 0.;
+		QString percentageText;
+	};
+	std::vector<Part> parts;
+	bool pieHasSinglePart = false;
+};
+
+[[nodiscard]] PiePartData PiePartsPercentage(
+	const std::vector<float64> &sums,
+	float64 totalSum,
+	bool round);
+
+[[nodiscard]] PiePartData PiePartsPercentageByIndices(
+	const Data::StatisticalChart &chartData,
+	const std::shared_ptr<LinesFilterController> &linesFilter,
+	const Limits &xIndices);
+
+} // namespace Statistic