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Maniphest T297373

Thumbnail for interactive SVG file is rendered incorrectly below 160px
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Description

List of steps to reproduce (step by step, including full links if applicable):

What happens?:
Large area of the image turns black when rendering a thumbnail below 160px.

Original SVG the test SVG was based on (CC BY-SA 4.0 by Cmglee):

generation timeline.svg42 KBDownload

159px:
Generation_timeline.svg 159px.png (99×159 px, 5 KB)

160px:
Generation_timeline.svg 160px.png (100×160 px, 11 KB)

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Event Timeline

AlexisJazz created this task.Dec 9 2021, 11:52 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptDec 9 2021, 11:52 AM
AlexisJazz added a project: Beta-Cluster-reproducible.Dec 9 2021, 11:52 AM
JoKalliauer subscribed.Dec 9 2021, 12:06 PM

Maybe duplicate of T20463 see https://commons.wikimedia.org/wiki/Librsvg_bugs#Pattern

@AlexisJazz : Could you provide a Minimal (not) working example

AlexisJazz added a comment.Dec 9 2021, 6:25 PM
In T297373#7559360, @JoKalliauer wrote:

Maybe duplicate of T20463 see https://commons.wikimedia.org/wiki/Librsvg_bugs#Pattern

@AlexisJazz : Could you provide a Minimal (not) working example

https://commons.wikimedia.beta.wmflabs.org/wiki/File:Generation_timeline_SVG_thumbnailing_issue.svg

Removing the line "<rect x="18700" y="-900" width="1700" height="900" fill="url(#pattern_grid_50)" stroke="black" stroke-opacity="0.2"/>" causes the problem to stop getting triggered it seems.

AlexisJazz updated the task description. (Show Details)Dec 9 2021, 6:28 PM
AlexisJazz updated the task description. (Show Details)Dec 9 2021, 6:33 PM
JoKalliauer merged a task: T20463: SVG thumbnailing issues - part of the image with <pattern> not rendered.Dec 20 2021, 9:37 PM
JoKalliauer added subscribers: • bzimport, Liuxinyu970226, Hamhock666 and 10 others.

I reduced the file to:

<?xml version="1.0" encoding="UTF-8"?>
<svg height="99" viewBox="18760,-950,1600,1000" width="159" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <pattern id="a" height="9999" patternUnits="userSpaceOnUse" width="10">
  <path d="m0 0h9999v9999h-9999z" fill="none"/>
 </pattern>
 <path d="m18700-900h1700v900h-1700z" fill="url(#a)"/>
</svg>
JoKalliauer closed this task as a duplicate of T20463: SVG thumbnailing issues - part of the image with <pattern> not rendered.Dec 20 2021, 9:39 PM
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