/* This file is an image processing operation for 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 2007 Étienne Bersac <bersace03@laposte.net>

 * Copyright 2006 Øyvind Kolås <pippin@gimp.org>

 *

 * This operation is just a forked grey op with format parameters.

 */

#include "config.h"

#include <glib/gi18n-lib.h>

#ifdef GEGL_CHANT_PROPERTIES

gegl_chant_string(format, _("Output format"), "RGBA float",

                  _("Babl output format string"))

#else

#define GEGL_CHANT_TYPE_POINT_FILTER

#define GEGL_CHANT_C_FILE       "convert-format.c"

#include "gegl-chant.h"

static void prepare (GeglOperation *operation)

{

  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);

  const Babl *format;

  g_assert (o->format);

  format = babl_format (o->format);

  /* check format ? */

  gegl_operation_set_format (operation, "input", format);

  gegl_operation_set_format (operation, "output", format);

}

static gboolean

process (GeglOperation       *op,

         void                *in_buf,

         void                *out_buf,

         glong                samples,

         const GeglRectangle *roi,

         gint                 level)

{

	int bpp = babl_format_get_bytes_per_pixel (gegl_operation_get_format (op, "output"));

	memcpy(out_buf, in_buf, samples * bpp);

  return TRUE;

}

static void

gegl_chant_class_init (GeglChantClass *klass)

{

  GeglOperationClass            *operation_class;

  GeglOperationPointFilterClass *point_filter_class;

  operation_class    = GEGL_OPERATION_CLASS (klass);

  point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);

  point_filter_class->process = process;

  operation_class->prepare = prepare;

  gegl_operation_class_set_keys (operation_class,

                "name",       "gegl:convert-format",

                "categories", "core:color",

                "description", _("Convert the data to the specified format"),

                NULL);

}

#endif