export to PDF leaves white gaps between rects

[Ckemmer]

I created a svg file with Inkscape 0.45.1, built Mar 21 2007 on Win XP
(both German versions)

In Inkscape, everything is displayed fine. Also printing on my HP Laserjet
3390 or printing to a file works fine.

But opening the svg-file with Firefox 2.0.0.7 (German) or saving a copy in
PDF-Form and opening it with Acrobat Reader 8.1.0 (German) results in an
incorrect display of the small rectangles next to the grey rectangles
labeled "Treppe".

I am going to attach screenshots to show what I mean. Expected result was
that all the screenshots show the same situation which is obviously not the
fact.

[Ckemmer (ckemmer)]

Originator: YES

File Added: Entwurf1.inkscape.png

[Ckemmer (ckemmer)]

Originator: YES

May be a Firefox-problem, but saved into a PDF same problem.
File Added: Entwurf1.firefox.png

[Ckemmer (ckemmer)]

Originator: YES

Saved to a PDF, not displayed properly
File Added: Entwurf1.savecopy.zip

[Ckemmer (ckemmer)]

Originator: YES

File Added: Entwurf1.print.pdf

[Ckemmer (ckemmer)]

Originator: YES

So expected behaviour was that at least Entwurf1.savecopy.zip shows the
same as Entwurf1.print.pdf, Entwurf1.inkscape.png, or Entwurf1.svg.

Even better, if also Entwurf1.firefox.png showed that result.

[Buliabyak-users (buliabyak-users)]

Originator: NO

1 batik displays the file same as Inkscape, so it's a firefox problem
really

2 export to pdf indeed leaves gaps, will investigate that

[Bug Importer (bug-importer)]

> 2 export to pdf indeed leaves gaps, will investigate that

Other output formats written on top of the print extension have the same
problem (ps, emf, etc.). Looks like the (almost) zero size rectangels are
the cause. Here is one of the rectangles extracted from the example, and
also a copy of the rectangle modified to have a body so you can see the
difference.

/Ulf

---
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   width="744.09448"
   height="1052.3622">
  <rect
     width="1.0212575e-006"
     height="88.582672"
     x="-597.93311"
     y="294.98029"
     transform="scale(-1,1)"

style="fill:#ffffff;fill-opacity:1;stroke:#b30000;stroke-width:8.85826874;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
     id="rect8392" />
  <rect
     width="1"
     height="88.582672"
     x="-557.93311"
     y="294.98029"
     transform="scale(-1,1)"

style="fill:#ffffff;fill-opacity:1;stroke:#00b300;stroke-width:8.85826874;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
/>
</svg>
---

[Bug Importer (bug-importer)]

The same can actually be seen on screen in Inkscape and in the exported
png files. It depends on your zoom factor and how small the parameters are.
Here is an extreme example:

----

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   width="700"
   height="100">
  <rect
     width="10"
     height="80"
     x="50"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1"
     height="80"
     x="100"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1e-1"
     height="80"
     x="150"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1e-2"
     height="80"
     x="200"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1e-3"
     height="80"
     x="250"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1e-4"
     height="80"
     x="300"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1e-5"
     height="80"
     x="350"
     y="10"
     style="stroke:#00b300;stroke-width:10" />
  <rect
     width="1e-6"
     height="80"
     x="400"
     y="10"
     style="stroke:#b30000;stroke-width:10" />
  <rect
     width="1e-7"
     height="80"
     x="450"
     y="10"
     style="stroke:#b30000;stroke-width:10" />
  <rect
     width="1e-8"
     height="80"
     x="500"
     y="10"
     style="stroke:#b30000;stroke-width:10" />
  <rect
     width="1e-9"
     height="80"
     x="550"
     y="10"
     style="stroke:#b30000;stroke-width:10" />
  <rect
     width="1e-10"
     height="80"
     x="600"
     y="10"
     style="stroke:#b30000;stroke-width:10" />
  <rect
     width="0"
     height="80"
     x="650"
     y="10"
     style="stroke:#b30000;stroke-width:10" />
  <path
     style="stroke:#000000;stroke-width:1px;fill:none"
     d="M 50,5 L 650,5 L 650,95 L 50,95 z" />
</svg>

[vonHalenbach (lustik)]

I can still confirm it with SVN 16763. I exported the attached svg to cairo pdf. But i seem to have an old version of cairo installed. My cairo is 1.4.2 i don't know if this is relevant.

[Bryce Harrington (bryce)]

I'm dropping the milestone on this bug because it doesn't really seem like it would be a release blocker.

[Tom Davidson (tjd-mit)]

Possibly a dupe/related to bug 168275?

[Ckemmer (ckemmer)]

I think it is related to bug 168275, not exactly a duplicate.

[Johan Engelen (johanengelen)]

when converting the "Zero" height rectangle stroke-to-path, the result is also wrong.

[Johan Engelen (johanengelen)]

this is tested in the testsuite: testcases\basic\rects with zero area.svg

[jazzynico (jazzynico)]

Also affects the trunk versions of Inkscape (with cairo rendering). Reproduced on XP with revision 11859 (cairo 1.11.2) and 11871 (cairo 1.12.8, local test).

[Beluga (buovjaga)]

I see the gaps in Inkscape with any zoom level. Not sure what to think of this.

Arch Linux 64-bit, KDE Plasma 5
Inkscape 0.92pre1 15073 (GTK3)

[jazzynico (jazzynico)]

Tested again on Windows XP (32-bit) with recent Inkscape versions:
- with 0.48.5, looks good on Inkscape but exported with gaps,
- with 0.91, looks good on Inkscape when opening (or with a zoom of 100%) but shows gaps with any other zoom value and exported with gaps,
- with 0.92.x rev. 15044, gaps in Inkscape (any zoom level) and in the PDF export.

Surprisingly, Firefox 48 acts exactly as Inkscape 0.91 (no gap when opening the file or with a zoom level of 100%, gaps when zooming in or out).

So I wonder if it's a bug in Inkscape or in the SVG file.

[Nathan Lee (nathan.lee)]

Hi - thanks for reporting this bug, I've manually migrated it to Inkscape's new bug tracker on GitLab, and closed it here.

Please feel free to file new bugs about the issues you're seeing at
http://inkscape.org/report.

Moved to: https://gitlab.com/inkscape/inbox/-/issues/3899
Closed by: https://gitlab.com/nathanal