Auto-zoom to fit height on two-pages panels

[lrq3000]

Describe your suggested feature

When there are 2 pages panels, it is very cumbersome to control Kotatsu to zoom but not too much, just to fit the page height, mimicking how we would look at these 2 pages panels on a physical manga. This is very useful because 2 pages panels usually have text and important scene details that are too tiny to see when zoomed out, it's very difficult to make sense without zooming in.

Setting the zoom to "fit height" works for 2 pages panels, but then 1 page panels are also fit to height and we don't see the whole page anymore. (And for some reason we can't even manually zoom out when this option is selected).

I suggest to add an option to change how the zoom on double tapping works, so that it can zoom to fit height.

Alternatively, the two-pages panels could be detected by shape and a special auto zoom to fit page height could be enabled as an option (this is what Tachiyomi did and it was single handedly the reason why I preferred using it over all other apps before it was stopped - what it did was that at first it would show the zoomed out view, then after a second animate smoothly to a page height fitted zoom).

Acknowledgements

• I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.