I just found out that cairo has a skia backend, I had not noticed before. Maybe porting a minimal cairo version to android could be done after all, though probably not so easily...
"architetto francesco fantoni <hva - hermanitos verdes architetti>" <[email protected]> ha scritto: >Some very early, lazy and useless notes and suggestions about a possible >port of shoebot to android. > >With the development of the scripting layer for android going on >( http://code.google.com/p/android-scripting/ ) that brings a functional >python environment, I started to figure out whether it is going to be >possible someday to have shoebot working on google's mobile os. >Actually I can't imagine no real use or need, let's say it's just for >fun ;) > >obviously cairo has not been ported to android, and probably never will >(way too heavy and complex), >and as shoebot is cairo based, a port would probably require the cairo >canvas to be replaced by something else. >It seems android uses skia ( http://code.google.com/p/skia/ ) as low >level library for 2D graphics, it is open source and I think it could >replicate the basic functions of cairo, but skia api is not even exposed >through NDK and, more important, at present it has no python bindings, >though it seems it is in their roadmap. >I suppose a lot of things would be rather hard to re-implement with skia >(e.g. fonts, images, etc.) > >Another option I thought of could be openvg >( http://www.khronos.org/openvg/ ). >The most complete open source implementation I know of is ShivaVG >(http://sourceforge.net/projects/shivavg/). It's built on top of OpenGL, >and a port to android, though not yet existing, could be done using >OpenGL ES, and therefore being hardware accelerated, that's not bad. >I tried an attempt of porting it using android NDK, but the lack in GLES >of some GL attributes implies patching the code and rewriting parts of >it in order to use OpenGL ES, and obviously it's a task far too complex >for me. >There is a commercial openvg implementation called Amanith >(http://www.amanith.org/project.html). which has already an experimental >port to android >(http://comments.gmane.org/gmane.comp.handhelds.android.ndk/3657) that I >was able to run as simple test on my phone (but as I said it is >commercial). >The nice aspect is that it already exists a project that provides python >bindings for both ShivaVG and Amanith vg >(http://code.google.com/p/pyopenvg/) though I must admit I have not >tested it yet. > >I'm sure there are other smarter or simpler possibilities for replacing >cairo on android that I didn't think of. > >All of the shoebot gui of course would need a rewrite as well, as of >course there won't be a gtk environment, but simple gui with python is >already possible on android, so I suppose that as long as the scripting >layer is further developed, more complex python programs can really be a >possibility on android. > >Other non-pure-python modules can be ported to android already (PIL >maybe?) but I must admit it's not a trivial task at all. > >best, francesco > > > > > >_______________________________________________ >Shoebot-devel mailing list >[email protected] >http://lists.tinkerhouse.net/listinfo.cgi/shoebot-devel-tinkerhouse.net ---- Francesco Fantoni Architetto via s.giacomo, 38 41121 modena / italia -- -- ph. & fax.: +39059217554 web: www.hv-a.com _______________________________________________ Shoebot-devel mailing list [email protected] http://lists.tinkerhouse.net/listinfo.cgi/shoebot-devel-tinkerhouse.net
