On Mon, Feb 8, 2010 at 10:06 PM, Gustavo Sverzut Barbieri < [email protected]> wrote:
> On Mon, Feb 8, 2010 at 11:49 AM, Shuduo Sang <[email protected]> wrote: > > On Mon, Feb 8, 2010 at 9:22 PM, Cedric BAIL <[email protected]> wrote: > > > >> On Mon, Feb 8, 2010 at 2:11 PM, Shuduo Sang <[email protected]> > wrote: > >> > I am a newbie who study efl programming recently. I try to write my > first > >> > program but meet problem always return NULL for creating canvas. I > have > >> > googled someone met that too but no clear answer. > >> > I can get supported engines by ecore_evas_engines_get(), are > >> software_x11, > >> > xrender_x11, opengl_x11, fb, and buffer. > >> > My platform is Ubuntu 9.10 and I think I installed all necessary > >> libraries > >> > since I can build it successfully by command. > >> > > >> > gcc `pkg-config --libs --cflags evas ecore ecore-evas` ecore_test.c -o > >> > ecore_test > >> > > >> > My code is following. > >> > > >> > ... > >> > > >> > 22 if ( !ecore_init()) return EXIT_FAILURE; > >> > 23 if ( !ecore_evas_init()) return EXIT_FAILURE; > >> > 24 > >> > 25 if (NULL == (eina_list = ecore_evas_engines_get())) > >> > 26 return EXIT_FAILURE; > >> > 27 > >> > 28 EINA_LIST_FOREACH(eina_list, l, data) > >> > 29 if(data) printf("data %s\n", data); > >> > 30 ecore_evas_engines_free(eina_list); > >> > 31 > >> > 32 ecore_evas = ecore_evas_software_x11_new(NULL, 0, 0, 0, W, > >> H); > >> > 33 if (!ecore_evas) > >> > 34 ecore_evas = ecore_evas_gl_x11_new(NULL, 0, 0, 0, > W, > >> H); > >> > 35 if (!ecore_evas) > >> > 36 ecore_evas = ecore_evas_fb_new(NULL, 0, W, H); > >> > 37 if (!ecore_evas) > >> > 38 ecore_evas = ecore_evas_xrender_x11_new(NULL, 0, > 0, > >> 0, > >> > W, H); > >> > 39 if (!ecore_evas){ > >> > 40 printf("ERROR: Cannot create canvas\n"); > >> > 41 return EXIT_FAILURE; > >> > 42 } > >> > >> You can use "ecore_evas = ecore_evas_new(NULL, 0, 0, W, H, NULL);". > >> And it will automatically pick a working engine. > >> > > > > I got NULL again. :( > > > How did you compile your ecore and evas? I'm pretty sure you compiled > it without engine. > I do not compile them by myself. I install them by apt-get. If they are not compiled with engine support. I think right output of ecore_evas_engines_get() should not be what I see right now. > > -- > Gustavo Sverzut Barbieri > http://profusion.mobi embedded systems > -------------------------------------- > MSN: [email protected] > Skype: gsbarbieri > Mobile: +55 (19) 9225-2202 > ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com _______________________________________________ enlightenment-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
