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Telegram/SourceFiles/statistics/statistics_graphics.cpp

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+/*
+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_graphics.h"
+
+#include "data/data_statistics_chart.h"
+#include "ui/effects/credits_graphics.h" // GenerateStars.
+#include "ui/painter.h"
+#include "styles/style_basic.h"
+#include "styles/style_statistics.h"
+
+namespace Statistic {
+
+QImage ChartCurrencyIcon(
+		const Data::StatisticalChart &chartData,
+		std::optional<QColor> color) {
+	auto result = QImage();
+	const auto iconSize = st::statisticsCurrencyIcon.size();
+	if (chartData.currency == Data::StatisticalCurrency::Ton) {
+		result = QImage(
+			iconSize * style::DevicePixelRatio(),
+			QImage::Format_ARGB32_Premultiplied);
+		result.setDevicePixelRatio(style::DevicePixelRatio());
+		result.fill(Qt::transparent);
+		{
+			auto p = Painter(&result);
+			if (const auto w = iconSize.width(); w && color) {
+				st::statisticsCurrencyIcon.paint(p, 0, 0, w, *color);
+			} else {
+				st::statisticsCurrencyIcon.paint(p, 0, 0, iconSize.width());
+			}
+		}
+	} else if (chartData.currency == Data::StatisticalCurrency::Credits) {
+		return Ui::GenerateStars(iconSize.height(), 1);
+	}
+	return result;
+}
+
+} // namespace Statistic