You can save comments in JPEG files and in progressive LEAD CMP files (but not in non-progressive CMP files). When reading or updating these comments, you can specify only one type of comment.
Value |
Meaning |
CMNT_SZDESC |
[3] Description of the image. This a variable-length character string. The maximum length is 64K. |
Please note that LEADTOOLS also supports IPTC Comments, which can be saved inside JPEG files. For more information, refer to IPTC Comments.
For more information about file comments, refer to L_SetComment, L_GetComment, L_DeleteComment, and L_ReadFileComment.
For more information, refer to:
Compression Using LEAD and JPEG Formats
JPEG and LEAD Compressed Formats
Introduction: Bitmaps in Memory and in Files
Programming with JPEG 2000 Features
Raster Image Functions: Working with JPEG 2000
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