Thread: Kobo Start Menu 08
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Old 12-06-2017, 04:10 PM   #926
davidfor
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by tshering View Post
This could be helpful for people who use calibre anyway. Once calibre is able to send PNGs to the device, the user would have to resent the concerned PNGs each time before upgrading the FW (or at least before running nickel the first time after upgrading). And the driver would have to know for which FW to create the images. Would this be the way to proceed?
I had a very quick test last night and calibre doesn't really support individual images or sending them to a device. That makes doing anything there a bit more complicated.

But, I was thinking more that part of the fmon install process would be to generate the covers images and put them in place. Thinking about it now, they could just be copied from a working system. The cover images have names that are derived from from the book and its location and is used as a id in the database. That is the same for all firmware version. The location has only two choices. Old firmware used ".kobo/images", newer firmware is under ".koboimages". The exact location for the latter is generated from the id. But, it is the same for all devices and and firmware. The exact size of these images does change, but they don't really matter. The smaller sizes are roughly the same and the full size cover probably won't be used but can be any size. Taking a copy of these file in the correct structure and copying that to the device should work.
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