Quote:
Originally Posted by davidfor
Yes, the cover images on the Aura ONE will be bigger. The resolution is much bigger, so the files will be as well. So, the space difference makes sense.
Unless you are sending the covers to the device with calibre, the device generates the covers as needed. It can generate them in three sizes. Basically, when you look at the book in the library, the cover for the list will be generated. But, it seems to generate the full size cover and then resizes that for the list. The third size is used for the details page, so it won't exist as often.
The Kobo Utilities plugin has an option to delete covers from the device. It will delete all three sizes for the selected books. But that means that the covers will be generated when you go through the library list and that will be slower. If you have a lot of books on the device it will save space until you do something that generates the cover again.
I have actually been thinking of this in the last few days. I'm pretty sure that if I delete the full size cover after the smaller covers have been generated, it will be regenerated when you read the book. That will save space and keep the performance. I have to do some experimenting, but if it works, I will add options to the cover deletion in the plugin to do this, and probably to the KoboTouch driver to only generate the smaller sizes and send them to the device. I think it will work, but I haven't done the experiments yet.
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I'm looking forward to the results of your experiments.
Best.