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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 2 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, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include <stdarg.h>
#include "babl-internal.h"
#include "babl-db.h"
static int
each_babl_type_destroy (Babl *babl,
void *data)
{
babl_free (babl->type.from);
babl_free (babl->type.to);
babl_free (babl);
return 0; /* continue iterating */
}
static Babl *
type_new (const char *name,
int id,
int bits)
{
Babl *babl;
babl_assert (bits != 0);
babl_assert (bits % 8 == 0);
babl = babl_malloc (sizeof (BablType) + strlen (name) + 1);
babl->instance.name = (void*) babl + sizeof (BablType);
babl->class_type = BABL_TYPE;
babl->instance.id = id;
strcpy (babl->instance.name, name);
babl->type.bits = bits;
babl->type.from = NULL;
babl->type.to = NULL;
return babl;
}
Babl *
babl_type_new (void *first_arg,
...)
{
va_list varg;
Babl *babl;
int id = 0;
int is_integer = 0;
int bits = 0;
long min = 0;
long max = 255;
double min_val = 0.0;
double max_val = 0.0;
const char *arg=first_arg;
va_start (varg, first_arg);
while (1)
{
arg = va_arg (varg, char *);
if (!arg)
break;
if (BABL_IS_BABL (arg))
{
#ifdef BABL_LOG
Babl *babl = (Babl*)arg;
babl_log ("%s unexpected", babl_class_name (babl->class_type));
#endif
}
/* if we didn't point to a babl, we assume arguments to be strings */
else if (!strcmp (arg, "id"))
{
id = va_arg (varg, int);
}
else if (!strcmp (arg, "bits"))
{
bits = va_arg (varg, int);
min = 0;
max = 1<<bits;
}
else if (!strcmp (arg, "integer"))
{
is_integer = va_arg (varg, int);
}
else if (!strcmp (arg, "min"))
{
min = va_arg (varg, long);
}
else if (!strcmp (arg, "max"))
{
max = va_arg (varg, long);
}
else if (!strcmp (arg, "min_val"))
{
min_val = va_arg (varg, double);
}
else if (!strcmp (arg, "max_val"))
{
max_val = va_arg (varg, double);
}
else
{
babl_fatal ("unhandled argument '%s' for format '%s'", arg, first_arg);
}
}
va_end (varg);
babl = type_new (first_arg, id, bits);
{
Babl *ret = babl_db_insert (db, babl);
if (ret!=babl)
babl_free (babl);
return ret;
}
}
BABL_CLASS_TEMPLATE (type)
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