[gs-bugs] [Bug 691335] Issues with duotone images and tiffsep

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Thu May 27 21:38:49 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=691335

--- Comment #4 from Michael Vrhel <michael.vrhel at artifex.com> 2010-05-27 21:38:46 UTC ---
This is an indexed image whose base space is DeviceN.  We end up using
image_render_mono like expected.  All is fine until we perform the remap
concretization of the DeviceN colors (no alternate space is used since we are
going to tiffsep).  At this stage, we end up in cmap_devicen_direct.  It
obtains the number of components from the dev that it was passed.  In this
particular case, it is a clipper device.  Unfortunately, the clipper device
seems to think we only have 4 components present as opposed to the 5 that we
need ( CMYK + 1 spot).   Digging further to see when the clipper device is
initialized and why its color_info is not correct....

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