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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 <math.h>
#include "babl-internal.h"
#define PIXELS 6
#define TOLERANCE 0
unsigned char source_buf [PIXELS * 3] =
{ 0, 0, 0,
127, 127, 127,
255, 255, 255,
255, 0.0, 0.0,
0.0, 255, 0.0,
0.0, 0.0, 255 };
unsigned char reference_buf [PIXELS * 3] =
{ 0, 128, 128,
136, 128, 128,
255, 128, 128,
138, 209, 198,
224, 49, 209,
75, 196, 16 };
unsigned char destination_buf [PIXELS * 3];
static int
test (void)
{
int i;
int OK = 1;
babl_process (babl_fish ("R'G'B' u8", "CIE Lab u8"),
source_buf, destination_buf,
PIXELS);
for (i = 0; i < PIXELS * 3; i++)
{
if (abs (destination_buf[i] - reference_buf[i]) > TOLERANCE)
{
babl_log ("%2i (%2i%%3=%i, %2i/3=%i) is %i should be %i",
i, i, i % 3, i, i / 3, destination_buf[i], reference_buf[i]);
OK = 0;
}
}
if (!OK)
return -1;
return 0;
}
int
main (int argc,
char **argv)
{
babl_init ();
if (test ())
return -1;
babl_exit ();
return 0;
}
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