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Remove compression and filter from ihdr

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This commit is contained in:
Andrew 2022-12-19 18:59:00 +13:00
parent b20a14d5b2
commit bca49d1807
1 changed files with 0 additions and 6 deletions
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6
src/headers.rs
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@ -19,10 +19,6 @@ pub struct IhdrData {
pub color_type: ColorType, pub color_type: ColorType,
/// The bit depth of the image /// The bit depth of the image
pub bit_depth: BitDepth, pub bit_depth: BitDepth,
/// The compression method used for this image (0 for DEFLATE)
pub compression: u8,
/// The filter mode used for this image (currently only 0 is valid)
pub filter: u8,
/// The interlacing mode of the image /// The interlacing mode of the image
pub interlaced: Interlacing, pub interlaced: Interlacing,
} }
@ -176,8 +172,6 @@ pub fn parse_ihdr_header(
bit_depth: byte_data[8].try_into()?, bit_depth: byte_data[8].try_into()?,
width: read_be_u32(&mut rdr).map_err(|_| PngError::TruncatedData)?, width: read_be_u32(&mut rdr).map_err(|_| PngError::TruncatedData)?,
height: read_be_u32(&mut rdr).map_err(|_| PngError::TruncatedData)?, height: read_be_u32(&mut rdr).map_err(|_| PngError::TruncatedData)?,
compression: byte_data[10],
filter: byte_data[11],
interlaced: interlaced.try_into()?, interlaced: interlaced.try_into()?,
}) })
} }