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#include <Elementary.h>
#include <Efx.h>
#include <errno.h>

/* screen size
 * broken for multimonitor
 */
static int sw, sh;

static Evas_Object *win, *rect;

static unsigned int max, num = 0;

static void _resize1(void *data EINA_UNUSED, Efx_Map_Data *emd EINA_UNUSED, Evas_Object *o EINA_UNUSED);

static void
_reset(void *data EINA_UNUSED, Efx_Map_Data *emd EINA_UNUSED, Evas_Object *o EINA_UNUSED)
{
   /* we've completed a loop! */
   num++;
   /* quit here if we reached the max desired loops */
   if (max && (num == max)) ecore_main_loop_quit();
   /* start our first op again, then hook the initial callback */
   efx_resize(rect, EFX_EFFECT_SPEED_LINEAR, NULL, 100, 100, 10.0, _resize1, NULL);
}

static void
_fs_toggle(void *data EINA_UNUSED, Efx_Map_Data *emd EINA_UNUSED, Evas_Object *o EINA_UNUSED)
{
   Eina_Bool fs = elm_win_fullscreen_get(win);

   /* toggle fullscreen */
   elm_win_fullscreen_set(win, !fs);
   if (!fs) return;
   /* when coming out of fullscreen, resize ourselves to starting size */
   efx_resize(win, EFX_EFFECT_SPEED_LINEAR, EFX_POINT(0, 0), 400, 400, 10.0, NULL, NULL);
   efx_resize(rect, EFX_EFFECT_SPEED_LINEAR, NULL, 400, 400, 10.0, _reset, NULL);
}

static void
_queue_setup(void)
{
   /* this executes a series of fade ops to smoothly animate color
    * changes on the main rect. colors are not important,
    * we just want to force redraws across large areas here
    */
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(0, 30, 222, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(0, 60, 180, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(0, 90, 150, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(0, 120, 120, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(30, 150, 90, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(60, 180, 60, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(90, 210, 30, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(120, 255, 0, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(150, 220, 0, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(180, 180, 0, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(210, 150, 0, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(230, 100, 0, 255)),
     3.0, NULL, NULL);
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(255, 0, 0, 255)),
     3.0, _fs_toggle, NULL);
}

static void
_rect_resize3(void *data EINA_UNUSED, Efx_Map_Data *emd EINA_UNUSED, Evas_Object *o EINA_UNUSED)
{
   /* run the rect color fades twice:
    * - first time in windowed mode
    * - second time fullscreen
    */
   _queue_setup();
   _queue_setup();
   /* start queued ops */
   efx_queue_run(rect);
}

static void
_resize1(void *data EINA_UNUSED, Efx_Map_Data *emd EINA_UNUSED, Evas_Object *o EINA_UNUSED)
{
   Efx_Queue_Data *eqd;

   /* resize to 100x100 */
   eqd = efx_queue_append(win, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_RESIZE(NULL, 100, 100)),
     10.0, NULL, NULL);
   /* resize op: move to bottom right corner and grow to half screen size */
   efx_queue_append(win, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_RESIZE(EFX_POINT(sw / 2, sh / 2), sw / 2, sh / 2)),
     30.0, NULL, NULL);
   /* resize op: move to upper right corner and grow to screen size */
   efx_queue_append(win, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_RESIZE(EFX_POINT(0, 0), sw, sh)),
     30.0, NULL, NULL);
   /* start queued ops */
   efx_queue_run(win);

   /* shrink to 1x1 */
   eqd = efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_RESIZE(NULL, 1, 1)),
     10.0, NULL, NULL);
   /* fade to green during resize */
   efx_queue_effect_attach(eqd, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(0, 255, 0, 255)),
     10.0, NULL, NULL);
   /* grow to half screen size */
   eqd = efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_RESIZE(NULL, sw / 2, sh / 2)),
     30.0, NULL, NULL);
   /* fade to blue during resize */
   efx_queue_effect_attach(eqd, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_FADE(0, 0, 255, 255)),
     30.0, NULL, NULL);
   /* grow to screen size */
   efx_queue_append(rect, EFX_EFFECT_SPEED_LINEAR,
     EFX_QUEUED_EFFECT(EFX_EFFECT_RESIZE(NULL, sw, sh)),
     30.0, _rect_resize3, NULL);
   /* start queued ops */
   efx_queue_run(rect);
}

int
main(int argc, char *argv[])
{
   if (argc == 2)
     {
        errno = 0;
        max = strtoul(argv[1], NULL, 10);
        if (errno) max = 0;
     }
   elm_init(argc, argv);
   efx_init();
   elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);

   win = elm_win_util_standard_add("compbench", "compbench");
   elm_win_autodel_set(win, 1);
   evas_object_show(win);
   elm_win_screen_size_get(win, NULL, NULL, &sw, &sh);
   /* objects start at 0,0
    * need to do some other move to force the 0,0 coords
    */
   evas_object_move(win, -1, -1);
   evas_object_move(win, 0, 0);
   evas_object_resize(win, 400, 400);
   rect = elm_bg_add(win);
   elm_bg_color_set(rect, 0, 0, 0);
   evas_object_size_hint_align_set(rect, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_size_hint_expand_set(rect, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   elm_win_resize_object_add(win, rect);
   evas_object_show(rect);

   rect = evas_object_rectangle_add(evas_object_evas_get(win));
   evas_object_resize(rect, 400, 400);
   evas_object_show(rect);
   /* start with a red rect */
   efx_fade(rect, EFX_EFFECT_SPEED_LINEAR, EFX_COLOR(255, 0, 0), 255, 0.0, NULL, NULL);

   /* first effect is a resize! */
   efx_resize(rect, EFX_EFFECT_SPEED_LINEAR, NULL, 100, 100, 10.0, _resize1, NULL);

   ecore_main_loop_begin();
   return 0;
}