C++ (Cpp) gegl_node_get_input_pads Examples

Example #1

File: gegl-editor-layer.c Project: RemyAWM/mygeglnadeeditor

void
layer_add_gegl_node(GeglEditorLayer* layer, GeglNode* node)
{
  //get input pads
  //gegl_pad_is_output
  GSList	*pads	    = gegl_node_get_input_pads(node);
  guint		 num_inputs = g_slist_length(pads);
  gchar**	 inputs	    = malloc(sizeof(gchar*)*num_inputs);
  int		 i;
  for(i = 0; pads != NULL; pads = pads->next, i++)
    {
      inputs[i] = (gchar*)gegl_pad_get_name(pads->data);
    }

  gint	id;
  if(gegl_node_get_pad(node, "output") == NULL)
    {
      id = gegl_editor_add_node(layer->editor, gegl_node_get_operation(node), num_inputs, inputs, 0, NULL);
    }
  else
    {
      gchar*	output = "output";
      gchar* outputs[] = {output};
      id	       = gegl_editor_add_node(layer->editor, gegl_node_get_operation(node), num_inputs, inputs, 1, outputs);
    }

  node_id_pair* new_pair = malloc(sizeof(node_id_pair));
  new_pair->node	 = node;
  new_pair->id		 = id;
  layer->pairs		 = g_slist_append(layer->pairs, new_pair);
}

Example #2

File: gegl-pad.c Project: jonnor/gegl

/* List should be freed */
GSList *
gegl_pad_get_depends_on (GeglPad *self)
{
  GSList *depends_on = NULL;

  if (gegl_pad_is_input (self))
    {
      GeglPad *source_pad = gegl_pad_get_connected_to (self);

      if (source_pad)
        depends_on = g_slist_prepend (depends_on,
                                      source_pad);
    }
  else if (gegl_pad_is_output (self))
    {
      GSList *input_pads = gegl_node_get_input_pads (self->node);

      depends_on = g_slist_copy (input_pads);
    }

  return depends_on;
}