Module png::chunk

Chunk types and functions

Constants

• IDAT
  Image data
• IEND
  Image trailer
• IHDR
  Image header
• PLTE
  Palette
• acTL
  Animation control
• bKGD
  Background colour
• fcTL
  Frame control
• fdAT
  Frame data
• pHYs
  Physical pixel dimensions
• tIME
  Image last-modification time
• tRNS
  Transparency

Functions

• is_critical
  Returns true if the chunk is critical.
• is_private
  Returns true if the chunk is private.
• reserved_set
  Checks whether the reserved bit of the chunk name is set. If it is set the chunk name is invalid.
• safe_to_copy
  Returns true if the chunk is safe to copy if unknown.

Type Aliases

• ChunkType