qoi.rs

QOI codec implemented in Rust, both as a library and CLI tool

https://qoiformat.org/

Requirements

• Implement decoder
  • Parse 14-byte header
    • Test: missing magic bytes
    • Test: normal header
    • Test: malformed header
    • Test: empty header
    • Test: massive width & height
  • Parse data chunks
    • QOI_OP_RGB
    • QOI_OP_RGBA
    • QOI_OP_RUN
    • QOI_OP_INDEX
    • QOI_OP_DIFF
    • QOI_OP_LUMA
• Implement encoder
  • Write 14-byte header
  • Write data chunks
    • QOI_OP_RGB
    • QOI_OP_RGBA
    • QOI_OP_RUN
    • QOI_OP_INDEX
    • QOI_OP_DIFF
    • QOI_OP_LUMA