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. -- 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
