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/* babl - dynamically extendable universal pixel conversion library.
* Copyright (C) 2005, Øyvind Kolås.
*
* This library 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.
*
* This library 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 this library; if not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "babl-internal.h"
#define PIXELS 5
float grayscale_buf [PIXELS] = { -0.1, 0.0, 0.4, 1.0, 2.0 };
float rgb_buf_ref [PIXELS * 3] =
{ -0.1, -0.1, -0.1, 0.0, 0.0, 0.0, 0.4, 0.4, 0.4, 1.0, 1.0, 1.0, 2.0, 2.0, 2.0 };
float rgb_buf [PIXELS * 3];
static int
test (void)
{
const Babl *fish;
int i;
int OK = 1;
fish = babl_fish (
babl_format_new (
babl_model ("Y"),
babl_type ("float"),
babl_component ("Y"),
NULL
),
babl_format_new (
babl_model ("RGB"),
babl_type ("float"),
babl_component ("R"),
babl_component ("G"),
babl_component ("B"),
NULL
)
);
babl_process (fish,
grayscale_buf, rgb_buf,
PIXELS);
for (i = 0; i < PIXELS * 3; i++)
{
if (fabs (rgb_buf[i] - rgb_buf_ref[i]) > 0.0000001)
{
babl_log ("index %i is problematic : %.12f instead of %.12f",
i, rgb_buf[i], rgb_buf_ref[i]);
OK = 0;
}
}
if (!OK)
return -1;
return 0;
}
int
main (void)
{
babl_init ();
if (test ())
return -1;
babl_exit ();
return 0;
}
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