How to make colors transperent?
To make one or several colors transparent use "ReplaceColor" option.
Example:
ICPCL.exe -convertto tiff bpp:32 dither:no -source "C:\Source Images\*.*" -dest "C:\out" -oper ReplaceColor src_color:"r:255,g:0,b:0,a:0" dest_color:"r:255,g:255,b:255,a:255"
We made red areas transparent.
Example:
ICPCL.exe -convertto tiff bpp:32 dither:no -source "C:\Source\*.*" -dest "C:\out" -oper ReplaceColor src_color:"r:255,g:0,b:0,a:0" dest_color:"r:255,g:255,b:255,a:255"
We made red and blue areas transparent.
If you don't know how to find out numeric color code, read this section.