zxing-cpp: strip to core library only (remove tests/wrappers/examples/docs); .gitignore: fix /core to allow zxing-cpp/core/ dir

tools/chatgui/zxing-cpp/core/src/Reader.h

@@ -0,0 +1,32 @@
+/*
+* Copyright 2016 Nu-book Inc.
+* Copyright 2016 ZXing authors
+*/
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include "ReaderOptions.h"
+#include "BarcodeData.h"
+
+namespace ZXing {
+
+class BinaryBitmap;
+class ReaderOptions;
+
+class Reader
+{
+protected:
+	const ReaderOptions& _opts;
+
+public:
+	const bool supportsInversion;
+
+	explicit Reader(const ReaderOptions& opts, bool supportsInversion = false) : _opts(opts), supportsInversion(supportsInversion) {}
+	explicit Reader(ReaderOptions&& opts) = delete;
+	virtual ~Reader() = default;
+
+	virtual BarcodesData read(const BinaryBitmap& image, int maxSymbols) const = 0;
+};
+
+} // ZXing