NEW257693
[GTK] touchpad zoom in pdf zooms in the ui, pixelates pdf 
https://bugs.webkit.org/show_bug.cgi?id=257693
Summary [GTK] touchpad zoom in pdf zooms in the ui, pixelates pdf
two
Reported 2023-06-04 14:51:32 PDT
in GNOME's issues: https://gitlab.gnome.org/GNOME/epiphany/-/issues/2081
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Add attachment proposed patch, testcase, etc.
Alice Mikhaylenko
Comment 1 2023-09-24 15:51:19 PDT
Apple ports do support this, but looks like the relevant code in webkit is just stubbed for some reason, not sure why. So we'd probably have to reimplement quite a lot here.
Michael Catanzaro
Comment 2 2023-09-25 09:22:35 PDT
If I hold Ctrl and scroll the mouse wheel, it zooms properly, integrated with PDF.js's zoom. So this bug is really specific to the touchpad gesture.
Alice Mikhaylenko
Comment 3 2023-09-25 09:45:10 PDT
Well yes, I mean touchpad zoom api is what we're missing.
Alice Mikhaylenko
Comment 4 2023-09-25 09:46:39 PDT
https://kenneth.io/post/detecting-multi-touch-trackpad-gestures-in-javascript here are specifics. So we probably want to support the gesture events.
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