On Mon, Jun 14, 2010 at 04:27:04PM -0700, Bill Kendrick wrote: <snip> > What are you using to determine the type of image? From what I have been > reading, imagemagick tells you about the contents of the image, not the > actual format it is saved in. > > $ convert grey.jpg -type TrueColor converted.jpg > > $ identify -verbose converted.jpg |grep Type: > Type: Grayscale
I have no idea what the 3rd party uses, but we get reports back. I forget (since it's been about 2 months) exactly what I was doing to try and determine whether the resulting JPEG was 'right'. > $ djpeg -v -outfile /dev/null grey.jpg 2>&1 |grep components > Start Of Frame 0xc0: width=164, height=238, components=1 > Start Of Scan: 1 components > > $ djpeg -v -outfile /dev/null converted.jpg 2>&1 |grep components > Start Of Frame 0xc0: width=164, height=238, components=3 > Start Of Scan: 3 components > > (This shows that there are 3 components and not 1 like the grey image.) So the trick might be the "-type TrueColor" option... I'll if that helps. Thanks! -bill! _______________________________________________ vox-tech mailing list vox-tech@lists.lugod.org http://lists.lugod.org/mailman/listinfo/vox-tech
