At 12:32 PM -0600 7/25/2006, Dar Scott wrote:
No. It's run-length-encoded. Just as well, since the text property
is what's stored on disk, and a 32-bit image with no compression
whatever would take up a ton of room. Take a look at the length of
the text versus the length of the imageData of a typical image
object.
Wow, where is this in the dictionary?
I don't think it is ;-), except in a passing mention (RLE is expanded
in the glossary).
Not that it would be a bad idea to document the internal format
necessarily, but I don't think anyone ever thought in terms of people
wanting to modify the text of an image on the fly - since you'd
generally export it or use a referenced image, and do the
modifications in an image editing program. (This was before anyone I
know of had started thinking of doing image processing tasks in Rev.)
I have tried setting the text of an image to some PBM/PGM/PPM
formats (P6 and P3 mostly, I think), but got no response to the
image or size. When I tried to subsequently export, I got an error.
Maybe something was wrong with my data.
Could be. I have successfully imported PBM and PGM files created by
Graphic Converter, for what's it's worth. I don't think you can
create a PBM/PPM/PGM by setting an image's text property - it looks
like it's getting converted to PNG or RLE on the way in when it's
imported, so there may not actually be such a thing as "a Rev image
object in PBM/PGM/PPM format".
--
jeanne a. e. devoto ~ [EMAIL PROTECTED]
http://www.jaedworks.com
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