예제 #1
0
/**
 * clutter_test_check_color_at_point:
 * @stage: a #ClutterStage
 * @point: coordinates to check
 * @color: expected color
 * @result: (out caller-allocates): color at the given coordinates
 *
 * Checks the color at the given coordinates on @stage, and matches
 * it with the red, green, and blue channels of @color. The alpha
 * component of @color and @result is ignored.
 *
 * Returns: %TRUE if the colors match
 *
 * Since: 1.18
 */
gboolean
clutter_test_check_color_at_point (ClutterActor       *stage,
                                   const ClutterPoint *point,
                                   const ClutterColor *color,
                                   ClutterColor       *result)
{
  ValidateData *data;
  gboolean retval;
  guint8 *buffer;
  guint press_id = 0;

  g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
  g_return_val_if_fail (point != NULL, FALSE);
  g_return_val_if_fail (color != NULL, FALSE);
  g_return_val_if_fail (result != NULL, FALSE);

  data = g_new0 (ValidateData, 1);
  data->stage = stage;
  data->point = *point;
  data->check_color = TRUE;

  if (g_test_verbose ())
    {
      g_printerr ("Press ESC to close the stage and resume the test\n");
      press_id = g_signal_connect (stage, "key-press-event",
                                   G_CALLBACK (on_key_press_event),
                                   data);
    }

  clutter_actor_show (stage);

  clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_POST_PAINT,
                                         validate_stage,
                                         data,
                                         NULL);

  while (!data->was_painted)
    g_main_context_iteration (NULL, TRUE);

  if (press_id != 0)
    g_signal_handler_disconnect (stage, press_id);

  buffer = data->result;

  clutter_color_init (result, buffer[0], buffer[1], buffer[2], 255);

  /* we only check the color channels, so we can't use clutter_color_equal() */
  retval = buffer[0] == color->red &&
           buffer[1] == color->green &&
           buffer[2] == color->blue;

  g_free (data->result);
  g_free (data);

  return retval;
}
예제 #2
0
static void
on_monitors_changed (MetaScreen *screen,
                     MetaPlugin *plugin)
{
  MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin);
  int i, n;
  GRand *rand = g_rand_new_with_seed (123456);

  clutter_actor_destroy_all_children (self->priv->background_group);

  n = meta_screen_get_n_monitors (screen);
  for (i = 0; i < n; i++)
    {
      MetaRectangle rect;
      ClutterActor *background_actor;
      MetaBackground *background;
      ClutterColor color;

      meta_screen_get_monitor_geometry (screen, i, &rect);

      background_actor = meta_background_actor_new (screen, i);

      clutter_actor_set_position (background_actor, rect.x, rect.y);
      clutter_actor_set_size (background_actor, rect.width, rect.height);

      /* Don't use rand() here, mesa calls srand() internally when
         parsing the driconf XML, but it's nice if the colors are
         reproducible.
      */
      clutter_color_init (&color,
                          g_rand_int_range (rand, 0, 255),
                          g_rand_int_range (rand, 0, 255),
                          g_rand_int_range (rand, 0, 255),
                          255);

      background = meta_background_new (screen);
      meta_background_set_color (background, &color);
      meta_background_actor_set_background (META_BACKGROUND_ACTOR (background_actor), background);
      g_object_unref (background);

      clutter_actor_add_child (self->priv->background_group, background_actor);
    }

  g_rand_free (rand);
}
예제 #3
0
static void
on_monitors_changed (MetaScreen *screen,
                     MetaPlugin *plugin)
{
  MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin);
  __attribute__ ((unused)) ClutterAnimation *animation;
  int i, n;
  gchar *wallpaper = NULL;
  GFile *wallpaper_file = NULL;
  gchar *filename = NULL;
  GDesktopBackgroundStyle style;
  GDesktopBackgroundShading  shading_direction;
  ClutterColor primary_color;
  ClutterColor secondary_color;
  gboolean random_colour = FALSE;

  clutter_actor_destroy_all_children (self->priv->background_group);

  wallpaper = g_settings_get_string (self->priv->settings, PICTURE_URI_KEY);
  /* We don't currently support slideshows */
  if (!wallpaper || g_str_has_suffix(wallpaper, ".xml"))
    random_colour = TRUE;
  else {
    gchar *color_str;

    /* Shading direction*/
    shading_direction = g_settings_get_enum (self->priv->settings, COLOR_SHADING_TYPE_KEY);

    /* Primary color */
    color_str = g_settings_get_string (self->priv->settings, PRIMARY_COLOR_KEY);
    if (color_str)
    {
      clutter_color_from_string (&primary_color, color_str);
      g_free (color_str);
      color_str = NULL;
    }
      
    /* Secondary color */
    color_str = g_settings_get_string (self->priv->settings, SECONDARY_COLOR_KEY);
    if (color_str)
    {
      clutter_color_from_string (&secondary_color, color_str);
      g_free (color_str);
      color_str = NULL;
    }

    /* Picture options: "none", "wallpaper", "centered", "scaled", "stretched", "zoom", "spanned" */
    style = g_settings_get_enum (self->priv->settings, BACKGROUND_STYLE_KEY);

    wallpaper_file = g_file_new_for_uri(wallpaper);
    filename = g_file_get_path(wallpaper_file);
  }

  n = meta_screen_get_n_monitors (screen);

  for (i = 0; i < n; i++)
    {
      MetaBackground *content;
      MetaRectangle rect;
      ClutterActor *background;

      background = meta_background_actor_new ();

      content = meta_background_new (screen, 
                                     i, 
                                     META_BACKGROUND_EFFECTS_NONE);
      // Don't use rand() here, mesa calls srand() internally when
      // parsing the driconf XML, but it's nice if the colors are
      // reproducible.
      if (random_colour)
      {
        clutter_color_init (&primary_color,
          g_random_int () % 255,
          g_random_int () % 255,
          g_random_int () % 255,
          255);

        meta_background_load_color (content, &primary_color);
      } else {
        if (style == G_DESKTOP_BACKGROUND_STYLE_NONE ||
            g_str_has_suffix (filename, GNOME_COLOR_HACK))
        {
          if (shading_direction == G_DESKTOP_BACKGROUND_SHADING_SOLID)
            meta_background_load_color (content, &primary_color);
          else
            meta_background_load_gradient (content,
                                           shading_direction,
                                           &primary_color,
                                           &secondary_color);
        } else {
          /* Set the background */
          meta_background_load_file_async (content,
                                           filename,
                                           style,
                                           NULL, /*TODO use cancellable*/
                                           background_load_file_cb,
                                           self);
        }
      }

      clutter_actor_set_content (background, CLUTTER_CONTENT (content));
      g_object_unref (content);

      meta_screen_get_monitor_geometry (screen, i, &rect);

      clutter_actor_set_position (background, rect.x, rect.y);
      clutter_actor_set_size (background, rect.width, rect.height);
      clutter_actor_add_child (self->priv->background_group, background);
      clutter_actor_set_scale (background, 0.0, 0.0);
      clutter_actor_show (background);
      clutter_actor_set_pivot_point (background, 0.5, 0.5);

      /* Ease in the background using a scale effect */
      animation = clutter_actor_animate (background, CLUTTER_EASE_IN_SINE,
                                         BACKGROUND_TIMEOUT,
                                         "scale-x", 1.0,
                                         "scale-y", 1.0,
                                         NULL);
    }
    if (wallpaper_file)
      g_object_unref(wallpaper_file);
    g_free(wallpaper);
    g_free(filename);
}
예제 #4
0
static void
on_monitors_changed (MetaScreen *screen,
                     MetaPlugin *plugin)
{
  MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin);
  __attribute__ ((unused)) ClutterAnimation *animation;
  int i, n;
  gchar *wallpaper = NULL;
  GFile *wallpaper_file = NULL;
  gchar *filename = NULL;
  gboolean random_colour = FALSE;

  clutter_actor_destroy_all_children (self->priv->background_group);

  wallpaper = g_settings_get_string(self->priv->settings, PICTURE_KEY);
  if (!wallpaper)
      random_colour = TRUE;
  else {
      wallpaper_file = g_file_new_for_uri(wallpaper);
      filename = g_file_get_path(wallpaper_file);
  }
      

  n = meta_screen_get_n_monitors (screen);
  for (i = 0; i < n; i++)
    {
      MetaRectangle rect;
      ClutterActor *background;
      ClutterColor color;

      meta_screen_get_monitor_geometry (screen, i, &rect);

      /* Don't use rand() here, mesa calls srand() internally when
         parsing the driconf XML, but it's nice if the colors are
         reproducible.
      */
      if (random_colour) {
            background = meta_background_actor_new ();
            clutter_color_init (&color,
                          g_random_int () % 255,
                          g_random_int () % 255,
                          g_random_int () % 255,
                          255);
            clutter_actor_set_background_color (background, &color);
      } else {
            /* Set the background */
            background = clutter_texture_new_from_file(filename, NULL);
      }

      clutter_actor_set_position (background, rect.x, rect.y);
      clutter_actor_set_size (background, rect.width, rect.height);
      clutter_actor_add_child (self->priv->background_group, background);
      clutter_actor_set_scale (background, 0.0, 0.0);
      clutter_actor_show (background);
      clutter_actor_move_anchor_point_from_gravity (background,
                                                    CLUTTER_GRAVITY_CENTER);
      /* Ease in the background using a scale effect */
      animation = clutter_actor_animate (background, CLUTTER_EASE_IN_SINE,
                                         BACKGROUND_TIMEOUT,
                                         "scale-x", 1.0,
                                         "scale-y", 1.0,
                                         NULL);
    }
    if (wallpaper_file)
      g_object_unref(wallpaper_file);
    g_free(wallpaper);
    g_free(filename);
}