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February 2004
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2004.02.24 15:39 "Re: Support for 16-bits per sample images", by Andrey Kiselev
On Tue, Feb 24, 2004 at 08:02:30PM +0000, mayankg@iiitb.ac.in wrote: > Does the libtiff library supports 16-bits per sample images for both > RGB and CMYK images? If Yes, then what is the latest version that > supports it? > > Also, I found that, the version that i have, does have some level of > support for 16-bit RGB images, but it just truncates the data from > 16-bits to 8-bits to store it as an 8-bit image. Is this statement > correct? I think you are speaking about TIFFRGBAImage interface. This interface doesn't intended to be a solution for complex image processing tasks. If you want to work with 16-bit images you should use TIFFReadEncodedStrip()/TIFFReadTile() functions and don't rely on autoconversion logic performed by the TIFFReadRGBAImage(). -- Andrey V. Kiselev Home phone: +7 812 5274898 ICQ# 26871517