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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 <stdio.h>
#include <stdlib.h>
#include "babl.h"
static int
cairo24_rgb_cairo24 (void)
{
int OK = 1, i;
for (i = 0; i < 256; ++i)
{
/* Valgrind complains if 'tmp' is not initialized
* and the brittle RTTI (BABL_IS_BABL) produces a
* crash if it contains { 0x00, 0xb1, 0xba, 0x00 }
*/
unsigned char tmp[4] = { 0, /*0xb1, 0xba, 0x00*/ };
/* Valgrind complains if 'output' is not initialized
* and the brittle RTTI (BABL_IS_BABL) produces a
* crash if it contains 0xbab100
*/
unsigned int output = ~ 0xbab100;
unsigned int input = (i * 256 + i) * 256 + i;
babl_process (babl_fish ("cairo-RGB24", "R'G'B' u8"), &input, &tmp[0], 1);
babl_process (babl_fish ("R'G'B' u8", "cairo-RGB24"), &tmp[0], &output, 1);
if ((input & 0x00ffffff) != (output & 0x00ffffff))
{
fprintf (stderr , "%08x -> %d %d %d -> %08x\n",
input, tmp[0], tmp[1], tmp[2], output);
OK = 0;
}
}
return OK;
}
static int
rgb_cairo24_rgb (void)
{
int OK = 1, i;
for (i = 0; i < 256; ++i)
{
/* As above */
unsigned int tmp = ~ 0xbab100;
unsigned char output[4] = { 0x00, /*0xb1, 0xba, 0x00*/ };
unsigned char input[4] = { i, i, i, 17 };
babl_process (babl_fish ("R'G'B' u8", "cairo-RGB24"), input, &tmp, 1);
babl_process (babl_fish ("cairo-RGB24", "R'G'B' u8"), &tmp, output, 1);
if (input[0] != output[0] || input[1] != output[1] || input[2] != output[2])
{
fprintf (stderr , "%d %d %d -> %08x -> %d %d %d\n",
input[0], input[1], input[2], tmp, output[0], output[1], output[2]);
OK = 0;
}
}
return OK;
}
int
main (void)
{
int OK;
babl_init ();
OK = cairo24_rgb_cairo24 () && rgb_cairo24_rgb ();
babl_exit ();
return !OK;
}
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