/*

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, see <http://www.gnu.org/licenses/>.

 *

 * Copyright (C) 2009 Martin Nordholts

 */

#include <string.h>

#include "gegl.h"

#define RED      0

#define GREEN    1

#define BLUE     2

#define SUCCESS  0

#define FAILURE -1

#define RUNS     3

int main(int argc, char *argv[])

{

  int           result                    = SUCCESS;

  guchar        result_buffer[3]          = { 0, 0, 0 };

  int           i                         = 0;

  GeglNode     *color                     = NULL;

  GeglColor    *colors[RUNS]              = { 0, 0, 0 };

  guchar        expected_results[RUNS][3] = { { 255, 0,   0   },

                                              { 0,   255, 0   },

                                              { 0,   0,   255 } };

  GeglRectangle rois[RUNS]                = { { 0,                0,                1, 1 },

                                              { G_MININT / 2,     G_MININT / 2,     1, 1 },

                                              { G_MAXINT / 2 - 1, G_MAXINT / 2 - 1, 1, 1 } };

  /* Init */

  g_thread_init (NULL);

  gegl_init (&argc, &argv);

  colors[0] = gegl_color_new ("rgb(1.0, 0.0, 0.0)");

  colors[1] = gegl_color_new ("rgb(0.0, 1.0, 0.0)");

  colors[2] = gegl_color_new ("rgb(0.0, 0.0, 1.0)");

  /* Construct graph */

  color = gegl_node_new_child (NULL,

                               "operation", "gegl:color",

                               NULL);

  /* Run tests */

  for (i = 0; i < RUNS; i++)

    {

      gegl_node_set (color,

                     "value", colors[i],

                     NULL);

      memset (result_buffer, 0, sizeof (result_buffer));

      gegl_node_blit (color,

                      1.0,

                      &rois[i],

                      babl_format ("RGB u8"),

                      result_buffer,

                      GEGL_AUTO_ROWSTRIDE,

                      GEGL_BLIT_DEFAULT);

      if (!(result_buffer[RED]   == expected_results[i][RED]   &&

            result_buffer[GREEN] == expected_results[i][GREEN] &&

            result_buffer[BLUE]  == expected_results[i][BLUE]))

        {

          result = FAILURE;

          g_printerr ("Processing #%d of gegl:color failed", i + 1);

          break;

        }

    }

  /* Cleanup */

  g_object_unref (color);

  for (i = 0; i < RUNS; i++)

    g_object_unref (colors[i]);

  gegl_exit ();

  return result;

}