AWARE [SYSTEMS] Imaging expertise for the Delphi developer
AWare Systems, Imaging expertise for the Delphi developer, Home TIFF and LibTiff Mailing List Archive

LibTiff Mailing List

TIFF and LibTiff Mailing List Archive
April 2007

Previous Thread
Next Thread

Previous by Thread
Next by Thread

Previous by Date
Next by Date

Contact

The TIFF Mailing List Homepage
This list is run by Frank Warmerdam
Archive maintained by AWare Systems



Valid HTML 4.01!



Thread

2007.04.05 16:07 "Floating point RGBA", by Mark Meijer
2007.04.05 17:22 "Re: Floating point RGBA", by Bob Friesenhahn
2007.04.05 17:39 "Re: Floating point RGBA", by Joris Van Damme
2007.04.05 19:58 "Re: Floating point RGBA", by Craig Bruce
2007.04.05 20:04 "Re: Floating point RGBA", by Toby Thain
2007.04.06 18:41 "Re: Floating point RGBA", by Chris Cox
2007.04.06 20:22 "Re: Floating point RGBA", by Toby Thain
2007.04.05 21:53 "Re: Floating point RGBA", by Bob Friesenhahn

2007.04.05 17:22 "Re: Floating point RGBA", by Bob Friesenhahn

On Thu, 5 Apr 2007, mark meijer wrote:

> I have a file I want to read.
> I have tried opening using devIL, which uses libTiff but returns
> IL_LIB_TIFF_ERROR.
> It opens fine in Photoshop but it seems floating point isn't fully supported
> in libTiff?

Libtiff does support floating point pretty well.  The simple 8-bit 
"RGBA" image API likely does not handle it well since the range and 
intent of floating point is not well defined.

Can your problem file be made available for download?

Bob
======================================
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/