From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 .../tiff/src/encoder/compression/uncompressed.rs   | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 vendor/tiff/src/encoder/compression/uncompressed.rs

(limited to 'vendor/tiff/src/encoder/compression/uncompressed.rs')

diff --git a/vendor/tiff/src/encoder/compression/uncompressed.rs b/vendor/tiff/src/encoder/compression/uncompressed.rs
new file mode 100644
index 0000000..900426f
--- /dev/null
+++ b/vendor/tiff/src/encoder/compression/uncompressed.rs
@@ -0,0 +1,37 @@
+use crate::{encoder::compression::*, tags::CompressionMethod};
+use std::io::Write;
+
+/// The default algorithm which does not compress at all.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
+pub struct Uncompressed;
+
+impl Compression for Uncompressed {
+    const COMPRESSION_METHOD: CompressionMethod = CompressionMethod::None;
+
+    fn get_algorithm(&self) -> Compressor {
+        Compressor::Uncompressed(*self)
+    }
+}
+
+impl CompressionAlgorithm for Uncompressed {
+    fn write_to<W: Write>(&mut self, writer: &mut W, bytes: &[u8]) -> Result<u64, io::Error> {
+        writer.write(bytes).map(|byte_count| byte_count as u64)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::encoder::compression::tests::TEST_DATA;
+    use std::io::Cursor;
+
+    #[test]
+    fn test_no_compression() {
+        let mut compressed_data = Vec::<u8>::new();
+        let mut writer = Cursor::new(&mut compressed_data);
+        Uncompressed::default()
+            .write_to(&mut writer, TEST_DATA)
+            .unwrap();
+        assert_eq!(TEST_DATA, compressed_data);
+    }
+}
-- 
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