evas-init-shutdown.c

 
#include <Evas.h>
#include <stdio.h>
#include <errno.h>
 
int
main(void)
{
   Eina_List *engine_list, *l;
   char *engine_name;
 
   /* Initialize Evas.  This will startup other dependencies such as
    * eina, eet, ecore, etc. and initializes various internal things
    * (threads, filters, etc.) */
   evas_init();
 
   /* When building Evas you can configure a variety of engines to be
    * built with it.  Get a list of what engines are available using the
    * evas_render_method_list routine.
    */
   engine_list = evas_render_method_list();
   if (!engine_list)
     {
        fprintf(stderr, "ERROR: Evas supports no engines! Exit.\n");
        exit(-1);
     }
 
   /* 'engine_list' is a linked list (@see Eina_List.)  The
    * EINA_LIST_FOREACH macro permits navigating through the items using
    * the iterator 'l', making the node data available as 'engine_name'.
    */
   printf("Available Evas Engines:\n");
   EINA_LIST_FOREACH(engine_list, l, engine_name)
     printf("%s\n", engine_name);
 
   /* To free the list, we use evas_render_method_list's corresponding
    * destructor routine.
    */
   evas_render_method_list_free(engine_list);
 
   /* Shuts down all dependencies if nothing else is using them, and
    * clears allocated data held internally.
    */
   evas_shutdown();
   return 0;
}