[sf-lug] Forcing a greyscape JPEG into RGB colorspace?
mhigashi at gmail.com
Mon Jun 14 14:08:19 PDT 2010
On Mon, Jun 14, 2010 at 1:22 PM, Bill Kendrick <nbs at sonic.net> wrote:
> "-colorspace" certainly works WITHOUT the "-colors" option
> (since the tool I wrote successfully does JPEG/CMYK => JPEG/RGB
> What value(s) do you image I'd need to use, when converting
> an 8bit greyscale image to a 24bit RGB image (which just happens
> to have all-grey pixels)? "man convert" doesn't say much :^(
I'm sorry, I don't know. I was just going by what "man ImageMagick" said:
the type of colorspace
Choices are: GRAY, OHTA, RGB, Transparent, XYZ, YCbCr, YIQ,
YPbPr, YUV, or CMYK.
[some details snipped]
The -colors or -monochrome option is required for this option to
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