JPEG thumbnails

[Carsten Pfeiffer]

-----BEGIN PGP SIGNED MESSAGE-----

On Monday 10 June 2002 17:14, Simon MacMullen wrote:

> (1) When a thumbnail larger than the one in the JPEG is required (on a file
> dialog or the oh-so-popular tooltip), you don't get it.
>
> I'm sure this is fixable though, just fall back to the ImageCreator when
> you need a large one.

Right.

> (2) When the thumbnail in the JPEG is wrong, you get the wrong result.
>
> This could be a real problem. I certainly have lots of photos I've rotated
> using mogrify from ImageMagick (I think it's those, it might be the ones I
> rotated with Pixie Plus) and the thumbnail was never rotated, just saved
> back. I'm sure there are lots of other people out there in the same
> position. I know you could say: "your JPEGs are broken, fix them", but I
> have no idea how and I'm sure the normal users don't either.

One could argue that the program that changes the image should modify the exif 
thumbnail as well. We might ship a tool that recreates them, but I'm not sure 
if kfile-jpeg is currently capable of doing that.

Cheers
Carsten Pfeiffer
-----BEGIN PGP SIGNATURE-----

iQEVAwUBPQTFlqWgYMJuwmZtAQGYYggAlycMz/9RfBZueFfZYlGIPDW4p1edwQrH
+mOWXRdqCj4EfM28yPZwaOuGQ6TBzQzdhtzW9fK9YY8uGsqLE40Dtlv8CnilIwGN
kHI2zEXXl0OrU6Inf2GjE/8H1N8eOKHX22JdM0og1oTzj94bxaB+vapfOizt4Tsd
O1n47CbE5+K9xgpqy0BG3HvcJgBM3iCxoMznWD4jXNUshq7ioSP9K2wCJ6/O2mcq
1stvISufB5J8My7V/2mU9a3NFaO4Qbmy/De+5QEpnoXZFgTKl00UizypP2I60Add
rlLSJpSZ4QlosNsbU5W7aV4og5BdtFJCtVDEM3lTBgyHQ3b8GAeQWQ==
=7fxj
-----END PGP SIGNATURE-----