Page thumbnails - Pinch to zoom UI glitch

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For users with issues, or feature requests, on touchscreen devices.

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Loki@99
User
Posts: 558
Joined: Sat Dec 16, 2023 11:09 am

Page thumbnails - Pinch to zoom UI glitch

Post by Loki@99 »

Hi,

Thanks for implementing Page thumbnail pinch to zoom feature.

Seems like it has some UI glitch issue.

Steps to reproduce
Perform a pinch gesture in Thumbnails using touchscreen

Issue
Thumbnails always refresh on gesture
GIF
PDFXCE - Pinch gesture performed on touchscreen
thumbnail glitch.gif


Additional info
It's not that obvious using keyboard touchpad but seems like it has a slightly UI refresh visible

GIF
PDFXCE - Pinch gesture with keyboard touchpad
touchpad.gif

- No issue with Foxit PDF using touchscreen

GIF
Foxit PDF - Pinch gesture on touchscreen
foxit.gif

Maybe the solution is to use some image caching.

Thanks for investigating,
Major Stylus topics
- RemoveAnnotationsWithEraser T#6903
- MiniPopupMenuOnTextSelection T#6894
- AbnormalSpikes forum.pdf-xchange.com/viewtopic.php?p=179935&hilit=spikes#p179935
- ForceEraserPreview forum.pdf-xchange.com/viewtopic.php?t=42380
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Daniel - PDF-XChange
Site Admin
Posts: 10921
Joined: Wed Jan 03, 2018 6:52 pm

Re: Page thumbnails - Pinch to zoom UI glitch

Post by Daniel - PDF-XChange »

Hello, Loki@99

Thank you for the report, I have passed this along to the Dev team for further review.

Kind regards,
Dan McIntyre - Support Technician
PDF-XChange Co. LTD
+++++++++++++++++++++++++++++++++++
Our Web site domain and email address has changed as of 26/10/2023.
https://www.pdf-xchange.com
Support@pdf-xchange.com
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