PNG File Comments

PNG has MMX optimized code for load/save and supports comments as well. The following comments are supported:

Value	Meaning
CMNT_SZARTIST	[0] Person who created the image.
CMNT_SZCOPYRIGHT	[1] Copyright notice.
CMNT_SZDATETIME	[2] Date and time (YYYY:MM:DD HH:MM:SS). The field length is 20, counting the NULL terminator.
CMNT_SZDESC	[3] Description of the image.
CMNT_SZMAKE	[5] Manufacturer of the equipment used to create the image.
CMNT_SZTITLE	[175] Title of the image.
CMNT_SZSOFTWARE	[9] Name and version of software package used to create the image. If you are using the nag version of LTKRN, this comment is fixed and cannot be changed.
CMNT_SZDISCLAIMER	[176] String containing the disclaimer of the software used to create the image.
CMNT_SZWARNING	[177] Warning statement associated with the software that created the image.
CMNT_MISC	[178] Miscellaneous information.