Struct CbgDecoder

struct CbgDecoder<'a> {
    stream: MsbBitStream<MemReaderRef<'a>>,
    info: &'a BgiCBGHeader,
    color_type: CbgColorType,
    key: u32,
    magic: u32,
    pixel_size: u8,
    stride: usize,
}

Available on crate features bgi and bgi-img only.

Fields

stream: MsbBitStream<MemReaderRef<'a>>

info: &'a BgiCBGHeader

color_type: CbgColorType

key: u32

magic: u32

pixel_size: u8

stride: usize

Implementations

impl<'a> CbgDecoder<'a>

fn new( reader: MemReaderRef<'a>, info: &'a BgiCBGHeader, color_type: CbgColorType, ) -> Result<Self>

fn unpack(self) -> Result<ImageData>

fn unpack_v1(&mut self) -> Result<ImageData>

fn unpack_v2(&mut self) -> Result<ImageData>

fn read_encoded(&mut self) -> Result<Vec<u8>>

fn read_int(input: &mut MemReaderRef<'_>) -> Result<i32>

fn read_weight_table( input: &mut MemReaderRef<'_>, length: usize, ) -> Result<Vec<u32>>

fn huffman_decompress( &mut self, tree: &HuffmanTree, output: &mut [u8], ) -> Result<()>

fn unpack_zeros(input: &[u8], output: &mut [u8])

fn reverse_average_sampling(&self, output: &mut [u8])

fn update_key(&mut self) -> u8