how easy will it be to incorporate images into Pleco flashcards ?
Very - can load them individually in the card editor or in bulk from an import file (in a text / Excel file this would work via links to paths in an accompanying folder). They're stored in their own separate table with their own separate IDs and then linked from cards, which you can edit in our own Pandoc-inspired Markdown dialect, so you can put multiple images in the same field, customize sizes, reuse an image as an icon/decoration in 1000 different cards, etc.
Will it be possible to just convert Anki decks with images into Pleco decks, or will we have to recreate the cards one by one ?
Can import them directly, including images. If your cards have really complicated rich text formatting or templates they might not come over perfectly - we attempt to convert inline HTML in fields to Markdown, but while it works fine for simple stuff like <b> there's a limit to what we can easily represent in Markdown, and with converting HTML templates to our own template system, we do considerably more elaborate parsing (CSS too) but nevertheless it's never going to be flawless.
But it works well in most of the decks we've tested and of course the beta will be an excellent opportunity to improve it; we could even potentially detect / use hand-customized templates for popular Anki decks, pretty much every wacky thing people try to do to Chinese cards in Anki with JavaScript templates can be done through our system too.
What will be the maximum resolution of these images ? I use flashcards to memorise Chinese geography and some of the maps are quite detailed.
We haven't really set one, would mostly depend on device constraints. We do support showing thumbnail images inline + puling up a larger scrollable image full-screen, but with a really big image the performance might start to degrade since we don't currently do a lot of giant image optimizations like tiling / rendering at multiple intermediate resolutions / etc.
Also is it still pointless to ask for a Pleco 4.0 release date frame ?
Yeah, pretty much. If I answered that question here any time anybody asked it I believe every single one of those answers would have been wildly incorrect
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