Bug#603097: no way to make real "black" and "white" jpg

2010-11-10 Thread jidanni
> "NAdO" == Nelson A de Oliveira writes: NAdO> http://www.imagemagick.org/discourse-server/viewtopic.php?f=2&t=17443 NAdO> seems to confirm this. OK. Thanks. By the way, if one could ever squeeze even on error message from imagemagick, one could realize that it wasn't working... -- To UN

Bug#603097: no way to make real "black" and "white" jpg

2010-11-10 Thread Nelson A. de Oliveira
On Wed, Nov 10, 2010 at 10:54 PM, wrote: > All I know is I only wanted two colors, and imagemagick ignores my > wishes, no matter how I try to express them. I am afraid that it's a limitation of the format that you are using (JPEG). Even with other image manipulation programs it seems that it's

Bug#603097: no way to make real "black" and "white" jpg

2010-11-10 Thread jidanni
> "NAdO" == Nelson A de Oliveira writes: NAdO> Isn't this behavior caused by the lossy JPEG compression, where the NAdO> colors are slightly changed (due to compression)? All I know is I only wanted two colors, and imagemagick ignores my wishes, no matter how I try to express them. -- To

Bug#603097: no way to make real "black" and "white" jpg

2010-11-10 Thread Nelson A. de Oliveira
Hi! On Wed, Nov 10, 2010 at 9:37 PM, wrote: > wget > http://upload.wikimedia.org/wikipedia/en/5/50/Munch_The_Scream_lithography.png > None of these make the image only have two colors. > convert -colors 2 Munch_The_Scream_lithography.png > Munch_The_Scream_lithography.jpg > convert -depth 1 Mu

Bug#603097: no way to make real "black" and "white" jpg

2010-11-10 Thread jidanni
Package: imagemagick Version: 8:6.6.0.4-2.2 Severity: wishlist File: /usr/bin/convert wget http://upload.wikimedia.org/wikipedia/en/5/50/Munch_The_Scream_lithography.png None of these make the image only have two colors. convert -colors 2 Munch_The_Scream_lithography.png Munch_The_Scream_lithogr