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edrlab / thorium-reader

A cross platform desktop reading app, based on the Readium Desktop toolkit
https://www.edrlab.org/software/thorium-reader/
BSD 3-Clause "New" or "Revised" License
1.86k stars 157 forks source link

[PDF] pdf-js is extremely slow with large pdf file #2670

Open panaC opened 2 days ago

panaC commented 2 days ago

With the intel x86 manual (https://cdrdv2.intel.com/v1/dl/getContent/671200) the interface is very laggy and slow to respond. This is barely inusable to work with this pdf.

danielweck commented 13 hours ago

related: https://github.com/edrlab/thorium-reader/issues/2673

danielweck commented 13 hours ago

I wonder what happens if the bottom bar is skipped during rendering? Is there still a massive GUI lag? If so, what other parts of the React GUI are being overloaded with a large number of rendered HTML elements?