[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
The fixes is included in that update https://launchpad.net/ubuntu/+source/cairo/1.14.4-1 ** Changed in: cairo (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo: Fix Released Status in cairo package in Ubuntu: Fix Released Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
upstream commited some fixes, see http://cgit.freedesktop.org/cairo/commit/?id=b1192beac7c5b56a8ff356d20af5ebfb65404109 http://cgit.freedesktop.org/cairo/commit/?id=30eb1b0e9778a96c2eb984f243dec5e3c8859e05 http://cgit.freedesktop.org/cairo/commit/?id=aa1323f04cd2c71317e9173fbe26fe7d0ba34908 ** Changed in: cairo (Ubuntu) Status: Triaged => Fix Committed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo: Fix Released Status in cairo package in Ubuntu: Fix Committed Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
** Changed in: libcairo Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo: Fix Released Status in cairo package in Ubuntu: Triaged Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
> Hi Sebastian, I dont want to archive my emails on bugreports privately. > Please add your comments directly to the report. Thanks, JW- ? I only used the webUI from launchpad to comment on the bug. Launchpad, like most bug trackers, send you new comments using emails so you know of activity on the bug you reported... -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo - cairo vector graphics library: Confirmed Status in “cairo” package in Ubuntu: Triaged Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+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
Re: [Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
Hi Sebastian, I dont want to archive my emails on bugreports privately. Please add your comments directly to the report. Thanks, JW- Am 14.04.2014 10:50 schrieb "Sebastien Bacher" : > Thanks for your bug report/work on it. That seems like a valid bugfix to > backport but we are probably going to want to have a review comment from > upstream first (and ideally having them commiting the fix to their vcs) > > ** Changed in: cairo (Ubuntu) >Importance: Undecided => High > > ** Changed in: cairo (Ubuntu) >Status: New => Triaged > > ** Bug watch added: freedesktop.org Bugzilla #77298 >https://bugs.freedesktop.org/show_bug.cgi?id=77298 > > ** Also affects: libcairo via >https://bugs.freedesktop.org/show_bug.cgi?id=77298 >Importance: Unknown >Status: Unknown > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1306846 > > Title: > Inkscape (using cairo) fails to print thin lines to PDF > > Status in libcairo - cairo vector graphics library: > Unknown > Status in “cairo” package in Ubuntu: > Triaged > > Bug description: > Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the > last version that worked. > > > http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 > > introduced code to avoid lines that would be invisible when > rasterized. While this is a valid logic for raster backends, it is a > bad idea for PDF output. There we want to see all fine lines. > > My specific use case is generating a lasercutter drawing for an Epilog > Zing laser with inkscape. There the hardware would raster anything > thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below > 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough > to safely drive my lasercutter. > > Previously reported against inkscape: > https://bugs.launchpad.net/inkscape/+bug/1174909 > > Also reported agains cairo upstream with a suggested fix: > https://bugs.freedesktop.org/show_bug.cgi?id=77298 > Check out the attached reproducer and fix. > > I'd suggest to circulate patched ubuntu packages, until upstream > releases an official fix. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/libcairo/+bug/1306846/+subscriptions > -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo - cairo vector graphics library: Confirmed Status in “cairo” package in Ubuntu: Triaged Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
Launchpad has imported 6 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=77298. If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. On 2014-04-11T02:43:50+00:00 Jürgen Weigert wrote: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced this code in cairo-compositor.c:_cairo_compositor_stroke if (_cairo_pen_vertices_needed (tolerance, style->line_width/2, ctm) <= 1) return CAIRO_INT_STATUS_NOTHING_TO_DO; The idea was to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. See also https://bugs.launchpad.net/inkscape/+bug/1174909 Check out the attached reproducer. Reply at: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/comments/0 On 2014-04-11T02:45:43+00:00 Jürgen Weigert wrote: Created attachment 97205 reproducer Reply at: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/comments/1 On 2014-04-11T02:48:52+00:00 Jürgen Weigert wrote: Created attachment 97206 Example output from the reproducer with missing objects. Reply at: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/comments/2 On 2014-04-11T02:51:20+00:00 Jürgen Weigert wrote: Created attachment 97207 Example output from the reproducer when good. Reply at: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/comments/3 On 2014-04-11T12:43:41+00:00 Jürgen Weigert wrote: Created attachment 97220 suggested fix. Please double check if num_vertices == 1 should never be done (for PDF). I am not sure why this was introduced at all. With 1.12.2 the lowest num_vertices value was 4, which assured that all objects are rendered to the PDF. Reply at: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/comments/4 On 2014-04-12T00:44:29+00:00 Jürgen Weigert wrote: Created attachment 97247 Suggested fix. Different approach. Contributed by Patrick Himmelmann. Now we have something to discuss. Maybe we find a third alternative, so that the logic for raster backends continues to discard small objects, but the logic for vector backends includes everything? Reply at: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/comments/5 ** Changed in: libcairo Status: Unknown => Confirmed ** Changed in: libcairo Importance: Unknown => Medium -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo - cairo vector graphics library: Confirmed Status in “cairo” package in Ubuntu: Triaged Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+subscriptions -- Mailing list: https://launchpad.net/~desk
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
Thanks for your bug report/work on it. That seems like a valid bugfix to backport but we are probably going to want to have a review comment from upstream first (and ideally having them commiting the fix to their vcs) ** Changed in: cairo (Ubuntu) Importance: Undecided => High ** Changed in: cairo (Ubuntu) Status: New => Triaged ** Bug watch added: freedesktop.org Bugzilla #77298 https://bugs.freedesktop.org/show_bug.cgi?id=77298 ** Also affects: libcairo via https://bugs.freedesktop.org/show_bug.cgi?id=77298 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in libcairo - cairo vector graphics library: Unknown Status in “cairo” package in Ubuntu: Triaged Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/libcairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
The attachment "suggested fix." seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team. [This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.] ** Tags added: patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in “cairo” package in Ubuntu: New Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
** Patch added: "alternate suggested fix." https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+attachment/4081564/+files/cairo.diff -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in “cairo” package in Ubuntu: New Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
** Attachment added: "reproducer" https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+attachment/4081562/+files/test_cairo.py -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in “cairo” package in Ubuntu: New Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+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
[Desktop-packages] [Bug 1306846] Re: Inkscape (using cairo) fails to print thin lines to PDF
** Patch added: "suggested fix." https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+attachment/4081563/+files/fix_for_fdo77298.patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cairo in Ubuntu. https://bugs.launchpad.net/bugs/1306846 Title: Inkscape (using cairo) fails to print thin lines to PDF Status in “cairo” package in Ubuntu: New Bug description: Since 1.12.3, cairo cannot render fine lines to pdf. 1.12.2 was the last version that worked. http://cgit.freedesktop.org/cair/diff/?id=bdf83008f4b2c723fd8e65e2a92bc47a2e7bc442 introduced code to avoid lines that would be invisible when rasterized. While this is a valid logic for raster backends, it is a bad idea for PDF output. There we want to see all fine lines. My specific use case is generating a lasercutter drawing for an Epilog Zing laser with inkscape. There the hardware would raster anything thicker than 0.02mm, and cut 0.01mm or below. 1.12.3 skips lines below 0.036mm, 1.13.1 skips lines below 0.018mm -- which is still not enough to safely drive my lasercutter. Previously reported against inkscape: https://bugs.launchpad.net/inkscape/+bug/1174909 Also reported agains cairo upstream with a suggested fix: https://bugs.freedesktop.org/show_bug.cgi?id=77298 Check out the attached reproducer and fix. I'd suggest to circulate patched ubuntu packages, until upstream releases an official fix. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/1306846/+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
