TChunkPngPrimaryChromaticities
pt
AssignTo
GetClassChunkName
LoadFromStream
SaveToStream
TCustomChunkPngWithHeader
Create
HeaderChanged
TCustomChunkPng
TDefinedChunk
SetChunkName
TCustomChunk
GetChunkName
GetChunkSize
CalculateZeroPad
CheckAddZeroPad
LoadFromFile
SaveToFile