[REBOL] PNG => was Re: Re: Image processing and embedding metadata in images?
From: jasonic:panix at: 12-Nov-2001 20:20
> hmmm PNG maybe the best REBOL bet. For example storing stuff in a named
> layer..
bingo!
http://www.libpng.org/pub/png/spec/PNG-Chunks.html#C.Anc-text
<quote>
4.2.3. Textual information
The iTXt, tEXt, and zTXt chunks are used for conveying textual information
associated with the image. This specification refers to them generically as
text chunks
.
Each of the text chunks contains as its first field a keyword that indicates
the type of information represented by the text string. The following
keywords are predefined and should be used where appropriate:
Title Short (one line) title or caption for image
Author Name of image's creator
Description Description of image (possibly long)
Copyright Copyright notice
Creation Time Time of original image creation
Software Software used to create the image
Disclaimer Legal disclaimer
Warning Warning of nature of content
Source Device used to create the image
Comment Miscellaneous comment; conversion from
GIF comment
</quote>
Any REBOL scripts out there for browsing/editing PNG binary data?
- Jason
