identical polylines not equally drawn, if coordinates are large

[joergk680]

Hi,
I have two SVG files which look the same in Inkscape but are not drawn equally in SVGImage. The wrong one contains large coordinates.

This is the failing view:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
  viewBox="2506744 5624642 18.459999 7.8600001"
   version="1.1"
   stroke-linecap="round"
   stroke-linejoin="round"
   fill-rule="evenodd"
   xml:space="preserve"
   id="svg29"
   sodipodi:docname="Vermaßung20001_200.svg"
   width="18.459999"
   height="7.8600001"
   inkscape:version="1.1.1 (3bf5ae0d25, 2021-09-20)"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:svg="http://www.w3.org/2000/svg"><sodipodi:namedview
   id="namedview31"
   pagecolor="#ffffff"
   bordercolor="#666666"
   borderopacity="1.0"
   inkscape:pageshadow="2"
   inkscape:pageopacity="0.0"
   inkscape:pagecheckerboard="0"
   showgrid="false"
   inkscape:zoom="21.825"
   inkscape:cx="-5.2004582"
   inkscape:cy="19.839633"
   inkscape:window-width="1918"
   inkscape:window-height="1520"
   inkscape:window-x="1913"
   inkscape:window-y="329"
   inkscape:window-maximized="0"
   inkscape:current-layer="svg29" />
<defs
   id="defs5">
<clipPath
   id="clipId0">
<path
   d="m 2506744,5624682 h 49 v -40 h -49 z"
   id="path2" />
</clipPath>
</defs>
<g
   clip-path="url(#clipId0)"
   fill="none"
   stroke="#000000"
   stroke-width="0.01"
   id="g7"
   transform="translate(-25.565,-0.145)" />
<g
   clip-path="url(#clipId0)"
   fill="#00ff00"
   stroke="#00ff00"
   stroke-width="0.01"
   id="g11"
   transform="translate(-25.565,-0.145)">
<text
   transform="matrix(0.13096062,-0.05489367,0.07731503,0.18445158,2506778.5,5624646.1)"
   font-family="Txt, sans-serif"
   font-size="1.38842px"
   id="text9">19.81</text>
</g>
<g
   clip-path="url(#clipId0)"
   fill="none"
   stroke="#00ff00"
   stroke-width="0.01"
   id="g27"
   transform="translate(-25.565,-0.145)">
<polyline
   points="2506787.93,5624642.25 2506769.66,5624649.9 "
   id="polyline13" />
<polyline
   points="2506787.75,5624642.32 2506788.02,5624642.21 "
   id="polyline15" />
<polyline
   points="2506787.97,5624642.34 2506787.89,5624642.15 "
   id="polyline17" />
<polyline
   points="2506787.9,5624642.32 2506787.96,5624642.17 "
   id="polyline19" />
<polyline
   points="2506769.84,5624649.83 2506769.57,5624649.94 "
   id="polyline21" />
<polyline
   points="2506769.62,5624649.81 2506769.7,5624650 "
   id="polyline23" />
<polyline
   points="2506769.69,5624649.82 2506769.63,5624649.98 "
   id="polyline25" />
</g>
</svg>

while this on works fine;

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   viewBox="44 42 18.459999 7.8600001"
   version="1.1"
   stroke-linecap="round"
   stroke-linejoin="round"
   fill-rule="evenodd"
   xml:space="preserve"
   id="svg29"
   sodipodi:docname="Vermaßung20001_200.svg"
   width="18.459999"
   height="7.8600001"
   inkscape:version="1.1.1 (3bf5ae0d25, 2021-09-20)"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:svg="http://www.w3.org/2000/svg"><sodipodi:namedview
   id="namedview31"
   pagecolor="#ffffff"
   bordercolor="#666666"
   borderopacity="1.0"
   inkscape:pageshadow="2"
   inkscape:pageopacity="0.0"
   inkscape:pagecheckerboard="0"
   showgrid="false"
   inkscape:zoom="21.825"
   inkscape:cx="-5.2004582"
   inkscape:cy="19.839633"
   inkscape:window-width="1918"
   inkscape:window-height="1520"
   inkscape:window-x="1913"
   inkscape:window-y="329"
   inkscape:window-maximized="0"
   inkscape:current-layer="svg29" />
<defs
   id="defs5">
<clipPath
   id="clipId0">
<path
   d="m 44,82 h 49 v -40 h -49 z"
   id="path2" />
</clipPath>
</defs>
<g
   clip-path="url(#clipId0)"
   fill="none"
   stroke="#000000"
   stroke-width="0.01"
   id="g7"
   transform="translate(-25.565,-0.145)" />
<g
   clip-path="url(#clipId0)"
   fill="#00ff00"
   stroke="#00ff00"
   stroke-width="0.01"
   id="g11"
   transform="translate(-25.565,-0.145)">
<text
   transform="matrix(0.13096062,-0.05489367,0.07731503,0.18445158,78.5,46.1)"
   font-family="Txt, sans-serif"
   font-size="1.38842px"
   id="text9">19.81</text>
</g>
<g
   clip-path="url(#clipId0)"
   fill="none"
   stroke="#00ff00"
   stroke-width="0.01"
   id="g27"
   transform="translate(-25.565,-0.145)">
<polyline
   points="87.93,42.25 69.66,49.9 "
   id="polyline13" />
<polyline
   points="87.75,42.32 88.02,42.21 "
   id="polyline15" />
<polyline
   points="87.97,42.34 87.89,42.15 "
   id="polyline17" />
<polyline
   points="87.9,42.32 87.96,42.17 "
   id="polyline19" />
<polyline
   points="69.84,49.83 69.57,49.94 "
   id="polyline21" />
<polyline
   points="69.62,49.81 69.7,50 "
   id="polyline23" />
<polyline
   points="69.69,49.82 69.63,49.98 "
   id="polyline25" />
</g>
</svg>

Greetings,
Jörg

[jogibear9988]

I think this could happen maybe cause of rounding errors, or maybe also wpf xaml images work light differently

[TruePluto]

I think this is the correct purpose. different view box should show different drawing.
actually this package ignores the viewbox difference show same draw when I modify the svg polyline to right-down cornor.it still stretch to the full region.
I found the SvgImage will ignore all transparent regions. that's annoying。

[jogibear9988]

With this control it only possible what WPF can do with xaml images. I don't know if your issue is solveable. Maybe if you upload your SVG here someone can look. But I don't know if I find the time. I mostly don't use WPF at the moment.
If you create a Pull, I would merge it.