The Corel Draw file format, follows the following general structure:

  1> Data in Little Endian order

  "01 00 00 00" = decimal 1
  "10 00 00 00" = decimal 16
  "00 01 00 00" = decimal 256

  2> The file is a tree of chunks

  2.1> CHUNK STRUCTURE

  --------------------------------
  4 | Chunk identifier
  4 | Chunk size (little endian cardinal)
  --------------------------------
  Chunk header and body
  --------------------------------

  3.1> LIST CHUNK STRUCTURE

  --------------------------------
  4 | Chunk identifier. Always "LIST"
  4 | Chunk size.
  4 | List identifier.
  --------------------------------
  Chunk body
  --------------------------------

  3.2> <DISP> CHUNK STURCTURE

  --------------------------------
  4 | Chunk identifier
  4 | Chunk size (little endian)
  4 | ??
  --------------------------------
  4 | Header size. Usual value is 40
  4 | Image width in pixels.
  4 | Image height in pixels.
  2 | Color plane value. Usual value is 1.
  2 | Color depth.
  4 | Compression. Usually 0, preview is not compressed.
  4 | Bitmap size.
  4 | Image width in pixels/metre.
  4 | Image height in pixels/metre.
  4 | Number of colors.
  4 | Number of used colors.
  --------------------------------
  Chunk body (RGB byte array)
  --------------------------------

  3.3>

  Folii color representation
  <fild> CHUNK STRUCTURE
  --------------------------------
  4 | Chunk identifier
  4 | Chunk size (little endian)
  --------------------------------
  4 | Unique fill identifier
  4 | ???
  1 | Color type (0x02-CMYK; 0x05-RGB
  7 | ???
  4 | Color fied (CMYK, BGR)
  --------------------------------
  Chunk body (unknown)
  --------------------------------