static void
_change_color(void *data, Evas_Object *obj, void *event_info)
{
   int r, g, b, a;
   elm_colorselector_color_get(obj, &r, &g, &b, &a);
   // ensure colors are pre-multiplied by alpha
   evas_color_argb_premul(a, &r, &g, &b);
   evas_object_color_set(data, r, g, b, a);
}
static void
_colorpalette_clicked_cb(void *data, Evas_Object *obj, void *event_info)
{
   int r = 0, g = 0, b = 0 ,a = 0;
   Elm_Object_Item *color_it = (Elm_Object_Item *) event_info;
   elm_colorselector_palette_item_color_get(color_it, &r, &g, &b, &a);
   // ensure colors are pre-multiplied by alpha
   evas_color_argb_premul(a, &r, &g, &b);
   evas_object_color_set(data, r, g, b, a);
}
Esempio n. 3
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/* Adds a rectangle object to the canvas */
static void _etk_test_canvas_object_add(void *data)
{
   Etk_Canvas *canvas;
   Evas *evas;
   Evas_Object *object;
   Etk_Widget *etk_evas_object;
   int x, y;
   int cw, ch;

   if (!(canvas = ETK_CANVAS(data)) || !(evas = etk_widget_toplevel_evas_get(ETK_WIDGET(canvas))))
      return;

   etk_widget_geometry_get(ETK_WIDGET(canvas), NULL, NULL, &cw, &ch);
   x = rand() % cw;
   y = rand() % ch;

   /* Add a rectangle */
   if (rand() % 4 != 0)
   {
      int w, h;
      int r, g, b, a;

      object = evas_object_rectangle_add(evas);
      w = ETK_MAX(abs(rand() % (cw - x)), 10);
      h = ETK_MAX(abs(rand() % (ch - y)), 10);
      evas_object_resize(object, w, h);

      r = rand() % 255;
      g = rand() % 255;
      b = rand() % 255;
      a = ETK_MAX(rand() % 255, 40);
      evas_color_argb_premul(a, &r, &g, &b);

      evas_object_color_set(object, r, g, b, a);
      etk_evas_object = etk_evas_object_new();
			etk_evas_object_set_object(ETK_EVAS_OBJECT(etk_evas_object), object);
   }
   /* Or add an image */
   else
   {
      object = evas_object_image_add(evas);
      evas_object_image_file_set(object, PACKAGE_DATA_DIR "/images/test.png", NULL);
      evas_object_image_fill_set(object, 0, 0, 48, 48);
      evas_object_resize(object, 48, 48);
      etk_evas_object = etk_evas_object_new();
      etk_evas_object_set_object(ETK_EVAS_OBJECT(etk_evas_object), object);
   }

   etk_canvas_put(canvas, etk_evas_object, x, y);
   etk_widget_show_all(etk_evas_object);
}