Not sure I understand what you're trying to do, but if you want a cli tool to compare fingerprint images, you could write one using some functions in img.c. But you might need to normalize your images first.
On Tue, 19 Jun 2018, 16:08 Bastien Nocera, <had...@hadess.net> wrote: > On Tue, 2018-06-19 at 12:49 +0200, Péter Gönczöl wrote: > > Hi, > > > > Is it possible to enroll and verify fingerprint images (bmp format, > > grayscale) with libfprint? > > I've been reading the API docs and fprint.h but every functionality > > I'd need appears to be hidden from the applications. > > > > It seems to me that the only option is to use the lib internal > > functionality like fp_async_verify_start() and do it manually. Did I > > miss something? Could you help me on how I should get started? > > > > Sorry if this is an amateur question, I'm new to native development. > > Thanks in advance! > > We don't support it, we only support enrollment and verification from > an actual physical device. > > If you really wanted the feature (it would be good to explain why > though), you could create a driver that can take images from the disk, > to enroll them. > > This might be helpful, although the patch needs updating: > https://gitlab.freedesktop.org/libfprint/libfprint/issues/44 > > Cheers > _______________________________________________ > fprint mailing list > fprint@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/fprint >
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