../gegl/operation/gegl-operation-point-filter.h

/* 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
 */

#ifndef __GEGL_OPERATION_POINT_FILTER_H__
#define __GEGL_OPERATION_POINT_FILTER_H__

#include "gegl-operation-filter.h"

G_BEGIN_DECLS

#define GEGL_TYPE_OPERATION_POINT_FILTER            (gegl_operation_point_filter_get_type ())
#define GEGL_OPERATION_POINT_FILTER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEGL_TYPE_OPERATION_POINT_FILTER, GeglOperationPointFilter))
#define GEGL_OPERATION_POINT_FILTER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GEGL_TYPE_OPERATION_POINT_FILTER, GeglOperationPointFilterClass))
#define GEGL_IS_OPERATION_POINT_FILTER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEGL_TYPE_OPERATION_POINT_FILTER))
#define GEGL_IS_OPERATION_POINT_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GEGL_TYPE_OPERATION_POINT_FILTER))
#define GEGL_OPERATION_POINT_FILTER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GEGL_TYPE_OPERATION_POINT_FILTER, GeglOperationPointFilterClass))

typedef struct _GeglOperationPointFilter  GeglOperationPointFilter;
struct _GeglOperationPointFilter
{
  GeglOperationFilter parent_instance;
};

typedef gboolean (*GeglOperationPointFilterFunc) (GeglOperation      *self,    /* for parameters    */
                   void               *in_buf,  /* input buffer      */
                   void               *out_buf, /* output buffer     */
                   glong               samples, /* number of samples */
                   const GeglRectangle *roi);

#define MAX_FAST_PATHS 8

typedef struct _GeglOperationPointFilterClass GeglOperationPointFilterClass;
struct _GeglOperationPointFilterClass
{
  GeglOperationFilterClass parent_class;

  GeglOperationPointFilterFunc process;

  const Babl *fp_format[MAX_FAST_PATHS];
  GeglOperationPointFilterFunc fp_process[MAX_FAST_PATHS];

  /*
   * gchar *glsl_shader;
   */
};

GType gegl_operation_point_filter_get_type (void) G_GNUC_CONST;

G_END_DECLS

#endif