Switch to miniz_oxide crate for DEFLATE decompression
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@@ -3,7 +3,7 @@
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use byteorder::{BigEndian, LittleEndian, ReadBytesExt};
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use lzw;
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use std::io::{self, Read, Seek};
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use libflate::zlib;
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use miniz_oxide::inflate;
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/// Byte order of the TIFF file.
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#[derive(Clone, Copy, Debug)]
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@@ -77,16 +77,20 @@ pub struct DeflateReader {
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impl DeflateReader {
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pub fn new<R: Read + Seek>(
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reader: &mut SmartReader<R>,
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max_uncompressed_length: usize,
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) -> io::Result<(usize, Self)> {
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let byte_order = reader.byte_order;
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let mut decoder = zlib::Decoder::new(reader)?;
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let mut uncompressed = Vec::with_capacity(max_uncompressed_length);
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let bytes_read = decoder.read_to_end(&mut uncompressed)?;
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Ok((bytes_read, Self {
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byte_order,
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buffer: io::Cursor::new(uncompressed),
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}))
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let mut compressed = Vec::new();
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reader.read_to_end(&mut compressed)?;
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let uncompressed = inflate::decompress_to_vec_zlib(&compressed).map_err(|error| {
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std::io::Error::new(std::io::ErrorKind::InvalidData, format!("DEFLATE error: {:?}", error))
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})?;
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Ok((
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uncompressed.len(),
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Self {
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byte_order,
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buffer: io::Cursor::new(uncompressed),
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},
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))
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}
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}
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