/* This file is part of GEGL
*
* GEGL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* GEGL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003 Calvin Williamson
*/
#ifndef __GEGL_PAD_H__
#define __GEGL_PAD_H__
#include <glib-object.h>
G_BEGIN_DECLS
#define GEGL_TYPE_PAD (gegl_pad_get_type ())
#define GEGL_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEGL_TYPE_PAD, GeglPad))
#define GEGL_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GEGL_TYPE_PAD, GeglPadClass))
#define GEGL_IS_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEGL_TYPE_PAD))
#define GEGL_IS_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GEGL_TYPE_PAD))
#define GEGL_PAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GEGL_TYPE_PAD, GeglPadClass))
typedef struct _GeglPadClass GeglPadClass;
struct _GeglPad
{
GObject parent_instance;
/*< private >*/
GParamSpec *param_spec;
GeglNode *node;
GSList *connections;
const Babl *format; /* pixel format this pad produces/consumes,
(initially only what it produces, and used
for gegl_operation_get_target.)
*/
gchar *name;
};
struct _GeglPadClass
{
GObjectClass parent_class;
};
GType gegl_pad_get_type (void) G_GNUC_CONST;
const gchar * gegl_pad_get_name (GeglPad *self);
void gegl_pad_set_name (GeglPad *self,
const gchar *name);
GSList * gegl_pad_get_depends_on (GeglPad *self);
GeglNode * gegl_pad_get_node (GeglPad *self);
void gegl_pad_set_node (GeglPad *self,
GeglNode *node);
gboolean gegl_pad_is_output (GeglPad *self);
gboolean gegl_pad_is_input (GeglPad *self);
GeglPad * gegl_pad_get_connected_to (GeglPad *self);
GeglConnection * gegl_pad_connect (GeglPad *sink,
GeglPad *source);
void gegl_pad_disconnect (GeglPad *sink,
GeglPad *source,
GeglConnection *connection);
GSList * gegl_pad_get_connections (GeglPad *self);
gint gegl_pad_get_num_connections (GeglPad *self);
GParamSpec * gegl_pad_get_param_spec (GeglPad *self);
void gegl_pad_set_param_spec (GeglPad *self,
GParamSpec *param_spec);
void gegl_pad_set_format (GeglPad *self,
const Babl *format);
const Babl * gegl_pad_get_format (GeglPad *self);
G_END_DECLS
#endif /* __GEGL_PAD_H__ */