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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 "babl-internal.h"
#include <string.h>
#include <stdarg.h>
#include "babl-db.h"
static int
each_babl_model_destroy (Babl *babl,
void *data)
{
babl_free (babl->model.from);
babl_free (babl->model.to);
babl_free (babl);
return 0; /* continue iterating */
}
static char buf[512]="";
static const char *
create_name (const char *name,
int components,
BablComponent **component)
{
char *p = buf;
if (name)
return name;
while (components--)
{
sprintf (p, (*component)->instance.name);
p+=strlen ((*component)->instance.name);
component++;
}
return buf;
}
static Babl *
model_new (const char *name,
int id,
int components,
BablComponent **component)
{
Babl *babl;
babl = babl_malloc (sizeof (BablModel) +
sizeof (BablComponent*) * (components) +
strlen (name) + 1);
babl->model.component = ((void*)babl) + sizeof (BablModel);
babl->instance.name = ((void*)babl->model.component) + sizeof (BablComponent*) * (components);
babl->class_type = BABL_MODEL;
babl->instance.id = id;
babl->model.components = components;
strcpy (babl->instance.name, name);
memcpy (babl->model.component, component, sizeof (BablComponent*)*components);
babl->model.from = NULL;
babl->model.to = NULL;
return babl;
}
Babl *
babl_model_new (void *first_argument,
...)
{
va_list varg;
Babl *babl;
int id = 0;
int components = 0;
const char *arg = first_argument;
const char *name = NULL;
BablComponent *component [BABL_MAX_COMPONENTS];
va_start (varg, first_argument);
while (1)
{
if (BABL_IS_BABL (arg))
{
Babl *babl = (Babl*)arg;
switch (babl->class_type)
{
case BABL_COMPONENT:
component [components] = (BablComponent*) babl;
components++;
if (components>=BABL_MAX_COMPONENTS)
{
babl_log ("maximum number of components (%i) exceeded for %s",
BABL_MAX_COMPONENTS, name);
}
break;
case BABL_MODEL:
babl_log ("submodels not handled yet");
break;
case BABL_TYPE:
case BABL_SAMPLING:
case BABL_INSTANCE:
case BABL_FORMAT:
case BABL_CONVERSION:
case BABL_CONVERSION_TYPE:
case BABL_CONVERSION_TYPE_PLANAR:
case BABL_CONVERSION_MODEL_PLANAR:
case BABL_CONVERSION_FORMAT:
case BABL_CONVERSION_FORMAT_PLANAR:
case BABL_FISH:
case BABL_FISH_REFERENCE:
case BABL_IMAGE:
babl_log ("%s unexpected", babl_class_name (babl->class_type));
break;
case BABL_SKY: /* shut up compiler */
break;
}
}
/* 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, "name"))
{
name = va_arg (varg, char *);
}
else
{
babl_fatal ("unhandled argument '%s' for babl_model '%s'", arg, name);
}
arg = va_arg (varg, char *);
if (!arg)
break;
}
va_end (varg);
babl = model_new (create_name (name, components, component), id, components, component);
{
Babl *ret = db_insert (babl);
if (ret!=babl)
babl_free (babl);
return ret;
}
}
BABL_CLASS_TEMPLATE (model)
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