Public bug reported: I have a problem with converting a PDF file created with Adobe InDesign CS5 to PostScript using pdf2ps. At least one of the imagedata values of an indexed CMYK image is assigned to a wrong color value of the color look up table.
In order to generate a simple test file for this bug I have converted the PDF to a PostScript file, using XPDF (XPDF has no problems with this kind of images). Then I have stripped down the resulting PS file to the image which produces the error. I have attached this file to this bug report. You can reproduce the error with this test file using ps2ps2 and the current Ghostscript 9.04. It seems that a value near 0 (->white) is assigned to the greatest (darkest) value of the color table. If I use Ghostcript 8.71 with the ps2write device the image is converted correctly. To reproduce: ps2ps2 gs-bug692612.ps gs-bug692612-new.ps gs gs-bug692612.ps gs gs-bug692612-new.ps The original PostScript file shows correctly with a smooth transition bwtween thw gray area and the white background. The file generated by ps2ps2 shows a black line at the white end of the transition. This problem is fixed in Ghostscript upstream: http://bugs.ghostscript.com/show_bug.cgi?id=692612 ** Affects: gs-gpl Importance: Unknown Status: Unknown ** Affects: ghostscript (Ubuntu) Importance: Medium Status: Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/902145 Title: ps2write Problem with indexed CMYK Colorspace images To manage notifications about this bug go to: https://bugs.launchpad.net/gs-gpl/+bug/902145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs