On Thu, May 5, 2011 at 4:25 PM, Sebastian Pipping <sp...@gentoo.org> wrote: > On 05/05/2011 07:48 PM, Paul Hartman wrote: >>> Especially as I don't trust ImageMagick with files that matter I would >>> love to find (or re-find) a command line tool that properly handles >>> Gamma when resizing images. Needs be free software. Anyone? >> >> ImageMagick works. I downloaded the Dalai Lama photo from that page >> and converted it by doing: >> >> convert -colorspace sRGB gamma_dalai_lama_gray.jpg -scale 50%% -set >> colorspace sRGB gamma_dalai_lama_gray50.png >> >> And the resulting image is correct. > > As I said, I do not trust ImageMagick with quality. I am looking for a > different tool.
Doesn't Netpbm satisfy your criteria? It's the very first program on the list of "good" software in that web page.