emotion_basic_example.c

This example shows how to create and play an Emotion object. See the explanation here.

//Compile with:
// gcc -o emotion_basic_example emotion_basic_example.c `pkg-config --libs --cflags emotion evas ecore ecore-evas eo`
#define EFL_BETA_API_SUPPORT
#define EFL_EO_API_SUPPORT
#include <Eo.h>
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Evas.h>
#include <Emotion.h>
#include <stdio.h>
#define WIDTH (320)
#define HEIGHT (240)
static Eina_Bool
_playback_started_cb(void *data EINA_UNUSED,
Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info EINA_UNUSED)
{
printf("Emotion object started playback.\n");
return EINA_TRUE;
}
int
main(int argc, const char *argv[])
{
Ecore_Evas *ee;
Evas *e;
Evas_Object *bg, *em;
const char *filename = NULL;
if (argc < 2)
{
printf("One argument is necessary. Usage:\n");
printf("\t%s <filename>\n", argv[0]);
}
filename = argv[1];
if (!ecore_evas_init())
return EXIT_FAILURE;
/* this will give you a window with an Evas canvas under the first
* engine available */
ee = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
if (!ee)
goto error;
ecore_evas_show(ee);
/* the canvas pointer, de facto */
e = ecore_evas_get(ee);
/* adding a background to this example */
bg = evas_object_rectangle_add(e);
evas_object_name_set(bg, "our dear rectangle");
evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
evas_object_move(bg, 0, 0); /* at canvas' origin */
evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
evas_object_show(bg);
/* Creating the emotion object */
em = emotion_object_add(e);
emotion_object_init(em, NULL);
eo_do(em, eo_event_callback_add
(EMOTION_OBJECT_EVENT_PLAYBACK_STARTED, _playback_started_cb, NULL));
emotion_object_file_set(em, filename);
evas_object_move(em, 0, 0);
evas_object_resize(em, WIDTH, HEIGHT);
evas_object_show(em);
emotion_object_play_set(em, EINA_TRUE);
ecore_main_loop_begin();
ecore_evas_free(ee);
ecore_evas_shutdown();
return 0;
error:
fprintf(stderr, "you got to have at least one evas engine built and linked"
" up to ecore-evas for this example to run properly.\n");
ecore_evas_shutdown();
return -1;
}