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+# zxing-cpp
+
+zxing-cpp is a Rust wrapper for the C++ library [zxing-cpp](https://github.com/zxing-cpp/zxing-cpp).
+
+It is an open-source, multi-format linear/matrix barcode image processing library implemented in C++.
+It was originally ported from the Java ZXing Library but has been developed further and now includes
+many improvements in terms of runtime and detection performance.
+
+## Usage
+
+In your Cargo.toml:
+
+```toml
+[dependencies]
+# `bundled` causes cargo to compile and statically link an up to
+# date version of the c++ core library. This is the most convenient
+# and safe way to build the library.
+zxing-cpp = { version = "0.4.1", features = ["bundled", "image"] }
+```
+
+Simple example reading some barcodes from a jpg file:
+
+```rust
+use zxingcpp::BarcodeFormat;
+
+fn main() -> anyhow::Result<()> {
+	let image = image::open("some-image-file.jpg")?;
+
+	let read_barcodes = zxingcpp::read()
+		.formats(BarcodeFormat::QRCode | BarcodeFormat::LinearCodes)
+		.try_invert(false);
+
+	let barcodes = read_barcodes.from(&image)?;
+
+	for barcode in barcodes {
+		println!("{}: {}", barcode.format(), barcode.text());
+	}
+
+	Ok(())
+}
+```
+
+Simple example creating a barcode and writing it to a svg file:
+
+```rust
+fn main() -> anyhow::Result<()> {
+	let svg = zxingcpp::create(zxingcpp::BarcodeFormat::QRCode)
+		.from_str("https://github.com/zxing-cpp/zxing-cpp")?
+		.to_svg_with(&zxingcpp::write().scale(5))?;
+	std::fs::write("zxingcpp.svg", svg)?;
+	Ok(())
+}
+```
+
+Note: This should currently be considered a pre-release. The API may change slightly to be even more
+idiomatic rust depending on community feedback.
+
+## Optional Features
+
+zxing-cpp provides features that are behind [Cargo features](https://doc.rust-lang.org/cargo/reference/manifest.html#the-features-section).
+They are:
+
+* `bundled` uses a bundled version of the [zxing-cpp](https://github.com/zxing-cpp/zxing-cpp) c++ library.
+* [`image`](https://crates.io/crates/image) allows convenient/implicit conversion between `ImageView`/`Image` and`GreyImage`/`DynamicImage`.
+
+## Benchmarking
+
+To compare the performance of this Rust wrapper project with other available barcode scanner Rust libraries,
+I started the project [zxing-bench](https://github.com/axxel/zxing-bench). The README contains a few
+results to get an idea.