When reading or updating TIFF comments, you must specify the comment type using the following constants.
For a loop counter:
Value |
Meaning |
CMNT_LAST |
Last defined -number for comments. To get all comments, you can use the comment type constant as a loop counter. The first constant is 0 and the last is CMNT_LAST. |
For TIFF files: Each comment field can contain a character string. The maximum field size is 32K, except for the date-time field, which is always 20.
Please note that LEADTOOLS also supports IPTC Comments, which can be saved inside TIFF files. For more information, refer to IPTC Comments.
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_SZHOSTCOMP |
[4] Computer and operating system in use. |
CMNT_SZMAKE |
[5] Manufacturer of the equipment used to create the image. |
CMNT_SZMODEL |
[6] Model name and number of the equipment. |
CMNT_SZNAMEOFDOC |
[7] Name of the document from which the image was scanned. |
CMNT_SZNAMEOFPAGE |
[8] Page name from which the image was scanned. |
CMNT_SZSOFTWARE |
[9] Name and version of the software package used to create the image. |
NOTE: To save a region inside a TIFF file, you must have an unlocked Document, Vector, or Medical Imaging license.
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