On Fri, 2018-06-22 at 10:48 -0300, Ricardo via shotwell-list wrote:
> Hello.
> In https://valadoc.org/opencv/index.htm there is a vapi to link
> direct
> from vala to opencv without c/c++ in the middle. Some considerations:
> First, it use OpenCV 2 which cannot detect automatically the presence
> of a graphic card capable to use OpenCL.
> Second, in the last stable Debian the OpenCV3 is not available yet.
> So
> it would not be possible to easily compile it in Debian.
> In the vapi, the functions about matrix eigenvalues to recognize
> specific person faces are available too.

The nightly flatpak comes with OpenCV 3, so using Gnome builder +
flatpack might make that possible.

> I'm working in a new user experience -
> https://gitlab.gnome.org/GNOME/shotwell/issues/13 - for faces. If you
> work in bring the OpenCV3 to valadoc and use that vapi in shotwell
> probably we will not work in the same lines of code and we will not
> have much work in a merge.
> Phako, some time ago in a pull-request you mentioned that the use of
> c++ is not a big issue. Is ok to Narendra work in the use of the
> OpenCV vapi in shotwell now?

See my other mail, there is a potential problem of introducing an
incompatibility when linking against OpenCV directly.

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