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filter="url(#a)" (feGaussianBlur) does not work in combination with transform="matrix(-1 0 0 -1 0 0)"
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Description

Occours in https://commons.wikimedia.org/wiki/File:Labanotation2.svg and in https://commons.wikimedia.org/wiki/File:Nixie_IN17.svg:


In https://commons.wikimedia.org/wiki/File:T194582_filter.svg the filter is not applied: (number 9 looks different than 0)
<path filter="url(#a)" transform="matrix(-.197 0 0 -.197 474.15 222.85)"/>


In https://commons.wikimedia.org/wiki/File:T194582_href.svg it doesn't blur the twice mirrowed path: (some path are not blured)
<use transform="matrix(-1 0 0 -1 0 0)" xlink:href="#a"/>

Event Timeline

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMay 12 2018, 7:34 PM
JoKalliauer renamed this task from transform="matrix(-1 0 0 -1 0 0)" does not work in combination with neither filter="url(#a)" nor in comination with xlink:href="#a" to filter="url(#a)" (feGaussianBlur) does not work in combination with transform="matrix(-1 0 0 -1 0 0)".May 12 2018, 8:58 PM
JoKalliauer updated the task description. (Show Details)
JoKalliauer added subscribers: Perhelion, Glrx, Incnis_Mrsi.
Vvjjkkii renamed this task from filter="url(#a)" (feGaussianBlur) does not work in combination with transform="matrix(-1 0 0 -1 0 0)" to 91caaaaaaa.Jul 1 2018, 1:11 AM
Vvjjkkii triaged this task as High priority.
Vvjjkkii updated the task description. (Show Details)
Vvjjkkii removed a subscriber: Aklapper.
JoKalliauer renamed this task from 91caaaaaaa to filter="url(#a)" (feGaussianBlur) does not work in combination with transform="matrix(-1 0 0 -1 0 0)".Jul 1 2018, 7:16 AM
JoKalliauer updated the task description. (Show Details)
JoKalliauer added a subscriber: Aklapper.
CommunityTechBot raised the priority of this task from High to Needs Triage.Jul 5 2018, 6:41 PM
CommunityTechBot updated the task description. (Show Details)
Glrx added a comment.Jul 22 2018, 5:57 PM

MW does not look at transform or filter, so this would be an upstream bug with librsvg. I do not know if it has been reported at Gnome.

Cannot reproduce both problems running librsvg2-2.44.13-1.fc29 locally.