fparkan/vendor/png/README.md

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# PNG Decoder/Encoder
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[![Documentation](https://docs.rs/png/badge.svg)](https://docs.rs/png)
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![Lines of Code](https://tokei.rs/b1/github/image-rs/image-png)
[![License](https://img.shields.io/crates/l/png.svg)](https://github.com/image-rs/image-png)
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PNG decoder/encoder in pure Rust.
It contains all features required to handle the entirety of [the PngSuite by
Willem van Schack][PngSuite].
[PngSuite]: http://www.schaik.com/pngsuite2011/pngsuite.html
## pngcheck
The `pngcheck` utility is a small demonstration binary that checks and prints
metadata on every `.png` image provided via parameter. You can run it (for
example on the test directories) with
```bash
cargo run --release --example pngcheck ./tests/pngsuite/*
```
## License
Licensed under either of
* Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or https://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or https://opensource.org/licenses/MIT)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any
additional terms or conditions.