/* 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 2006 Øyvind Kolås

 */

/* GeglOperationFilter:

 * The filter base class sets up GeglBuffers for input and output pads

 */

#ifndef __GEGL_OPERATION_FILTER_H__

#define __GEGL_OPERATION_FILTER_H__

#include "gegl-operation.h"

G_BEGIN_DECLS

#define GEGL_TYPE_OPERATION_FILTER            (gegl_operation_filter_get_type ())

#define GEGL_OPERATION_FILTER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEGL_TYPE_OPERATION_FILTER, GeglOperationFilter))

#define GEGL_OPERATION_FILTER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GEGL_TYPE_OPERATION_FILTER, GeglOperationFilterClass))

#define GEGL_IS_OPERATION_FILTER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEGL_TYPE_OPERATION_FILTER))

#define GEGL_IS_OPERATION_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GEGL_TYPE_OPERATION_FILTER))

#define GEGL_OPERATION_FILTER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GEGL_TYPE_OPERATION_FILTER, GeglOperationFilterClass))

typedef struct _GeglOperationFilter  GeglOperationFilter;

struct _GeglOperationFilter

{

  GeglOperation parent_instance;

};

typedef struct _GeglOperationFilterClass GeglOperationFilterClass;

struct _GeglOperationFilterClass

{

  GeglOperationClass parent_class;

  gboolean (* process) (GeglOperation       *self,

                        GeglBuffer          *input,

                        GeglBuffer          *output,

                        const GeglRectangle *roi,

                        gint                 level);

  gpointer              pad[4];

};

GType gegl_operation_filter_get_type (void) G_GNUC_CONST;

G_END_DECLS

#endif