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Telegram/lib_qr/qr/qr_generate.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include <QtGui/QImage>
+#include <QtGui/QColor>
+#include <QtCore/QString>
+
+#include <vector>
+
+namespace Qr {
+
+enum class Redundancy {
+	Low,
+	Medium,
+	Quartile,
+	High,
+
+	Default = Medium
+};
+
+struct Data {
+	int size = 0;
+	Redundancy redundancy = Redundancy::Default;
+	std::vector<bool> values; // size x size
+};
+
+[[nodiscard]] Data Encode(
+	const QString &text,
+	Redundancy redundancy = Redundancy::Default);
+[[nodiscard]] QImage Generate(
+	const Data &data,
+	int pixel,
+	QColor fg = Qt::black,
+	QColor bg = Qt::transparent);
+[[nodiscard]] int ReplaceSize(const Data &data, int pixel);
+[[nodiscard]] QImage ReplaceCenter(QImage qr, const QImage &center);
+
+} // namespace Qr