Example file to test. ** Attachment added: "sample2.djvu" https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1920730/+attachment/5497392/+files/sample2.djvu
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups-filters in Ubuntu. https://bugs.launchpad.net/bugs/1920730 Title: gstoraster: Ghostscript runs to long while converting djvu files to Xerox`s 3210 format Status in cups-filters package in Ubuntu: Incomplete Bug description: My OS: Description: Ubuntu 20.04.2 LTS Release: 20.04 Package version: cups-filters version 1.27.4-1 When I try to print djvu files on my Xerox WorkCentre 3210 gstoraster filter, which calls ghostscript inside runs to long while converting djvu files to Xerox`s 3210 format. E.x.: For 155 pages of djvu files, it runs more then 15 minutes. I found a solution by adding -dDEVICEWIDTHPOINTS -dDEVICEHEIGHTPOINTS params to ghostscript command inside gstoraster filter. Now the time of converting the same file is about 30 seconds. I`ve made patch which solves this problem. --- a/filter/gstoraster.c +++ b/filter/gstoraster.c @@ -733,8 +733,17 @@ char output[31] = ""; int pagecount; size_t bytes; - snprintf(gscommand, 65536, "%s -q -dNOPAUSE -dBATCH -sDEVICE=bbox %s 2>&1 | grep -c HiResBoundingBox", - CUPS_GHOSTSCRIPT, filename); + // Ghostscript runs to long while converting djvu files to Xerox`s 3210 format + // Using -dDEVICEWIDTHPOINTS -dDEVICEHEIGHTPOINTS params solves the problem + if (ppd) { + cupsRasterInterpretPPD(&h,ppd,num_options,options,0); + snprintf(gscommand, 65536, "%s -q -dNOPAUSE -dBATCH -dDEVICEWIDTHPOINTS=%d -dDEVICEHEIGHTPOINTS=%d -sDEVICE=bbox %s 2>&1 | grep -c HiResBoundingBox", + CUPS_GHOSTSCRIPT, h.PageSize[0], h.PageSize[1], filename); + } + else { + snprintf(gscommand, 65536, "%s -q -dNOPAUSE -dBATCH -sDEVICE=bbox %s 2>&1 | grep -c HiResBoundingBox", + CUPS_GHOSTSCRIPT, filename); + } FILE *pd = popen(gscommand, "r"); if (!pd) { To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1920730/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
