Exemple #1
0
void
vectors_select_cmd_callback (GtkAction *action,
                             gint       value,
                             gpointer   data)
{
  GimpImage      *image;
  GimpVectors    *vectors;
  GimpContainer  *container;
  GimpVectors    *new_vectors;
  return_if_no_image (image, data);

  vectors = gimp_image_get_active_vectors (image);

  if (vectors)
    container = gimp_item_get_container (GIMP_ITEM (vectors));
  else
    container = gimp_image_get_vectors (image);

  new_vectors = (GimpVectors *) action_select_object ((GimpActionSelectType) value,
                                                       container,
                                                      (GimpObject *) vectors);

  if (new_vectors && new_vectors != vectors)
    {
      gimp_image_set_active_vectors (image, new_vectors);
      gimp_image_flush (image);
    }
}
GimpLayer *
gimp_image_merge_visible_layers (GimpImage     *image,
                                 GimpContext   *context,
                                 GimpMergeType  merge_type,
                                 gboolean       merge_active_group,
                                 gboolean       discard_invisible)
{
  GimpContainer *container;
  GList         *list;
  GSList        *merge_list     = NULL;
  GSList        *invisible_list = NULL;

  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
  g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);

  if (merge_active_group)
    {
      GimpLayer *active_layer = gimp_image_get_active_layer (image);

      /*  if the active layer is the floating selection, get the
       *  underlying drawable, but only if it is a layer
       */
      if (active_layer && gimp_layer_is_floating_sel (active_layer))
        {
          GimpDrawable *fs_drawable;

          fs_drawable = gimp_layer_get_floating_sel_drawable (active_layer);

          if (GIMP_IS_LAYER (fs_drawable))
            active_layer = GIMP_LAYER (fs_drawable);
        }

      if (active_layer)
        container = gimp_item_get_container (GIMP_ITEM (active_layer));
      else
        container = gimp_image_get_layers (image);
    }
  else
    {
      container = gimp_image_get_layers (image);
    }

  for (list = gimp_item_stack_get_item_iter (GIMP_ITEM_STACK (container));
       list;
       list = g_list_next (list))
    {
      GimpLayer *layer = list->data;

      if (gimp_layer_is_floating_sel (layer))
        continue;

      if (gimp_item_get_visible (GIMP_ITEM (layer)))
        {
          merge_list = g_slist_append (merge_list, layer);
        }
      else if (discard_invisible)
        {
          invisible_list = g_slist_append (invisible_list, layer);
        }
    }

  if (merge_list)
    {
      GimpLayer *layer;

      gimp_set_busy (image->gimp);

      gimp_image_undo_group_start (image,
                                   GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
                                   C_("undo-type", "Merge Visible Layers"));

      /* if there's a floating selection, anchor it */
      if (gimp_image_get_floating_selection (image))
        floating_sel_anchor (gimp_image_get_floating_selection (image));

      layer = gimp_image_merge_layers (image,
                                       container,
                                       merge_list, context, merge_type);
      g_slist_free (merge_list);

      if (invisible_list)
        {
          GSList *list;

          for (list = invisible_list; list; list = g_slist_next (list))
            gimp_image_remove_layer (image, list->data, TRUE, NULL);

          g_slist_free (invisible_list);
        }

      gimp_image_undo_group_end (image);

      gimp_unset_busy (image->gimp);

      return layer;
    }

  return gimp_image_get_active_layer (image);
}
GimpLayer *
gimp_image_merge_down (GimpImage      *image,
                       GimpLayer      *current_layer,
                       GimpContext    *context,
                       GimpMergeType   merge_type,
                       GError        **error)
{
  GimpLayer *layer;
  GList     *list;
  GList     *layer_list = NULL;
  GSList    *merge_list = NULL;

  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
  g_return_val_if_fail (GIMP_IS_LAYER (current_layer), NULL);
  g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (current_layer)), NULL);
  g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
  g_return_val_if_fail (error == NULL || *error == NULL, NULL);

  for (list = gimp_item_get_container_iter (GIMP_ITEM (current_layer));
       list;
       list = g_list_next (list))
    {
      layer = list->data;

      if (layer == current_layer)
        break;
    }

  for (layer_list = g_list_next (list);
       layer_list;
       layer_list = g_list_next (layer_list))
    {
      layer = layer_list->data;

      if (gimp_item_get_visible (GIMP_ITEM (layer)))
        {
          if (gimp_viewable_get_children (GIMP_VIEWABLE (layer)))
            {
              g_set_error_literal (error, 0, 0,
                                   _("Cannot merge down to a layer group."));
              return NULL;
            }

          if (gimp_item_is_content_locked (GIMP_ITEM (layer)))
            {
              g_set_error_literal (error, 0, 0,
                                   _("The layer to merge down to is locked."));
              return NULL;
            }

          merge_list = g_slist_append (NULL, layer);
          break;
        }
    }

  if (! merge_list)
    {
      g_set_error_literal (error, 0, 0,
                           _("There is no visible layer to merge down to."));
      return NULL;
    }

  merge_list = g_slist_prepend (merge_list, current_layer);

  gimp_set_busy (image->gimp);

  gimp_image_undo_group_start (image,
                               GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
                               C_("undo-type", "Merge Down"));

  layer = gimp_image_merge_layers (image,
                                   gimp_item_get_container (GIMP_ITEM (current_layer)),
                                   merge_list, context, merge_type);
  g_slist_free (merge_list);

  gimp_image_undo_group_end (image);

  gimp_unset_busy (image->gimp);

  return layer;
}