gimp/libgimp/gimpunitcache.c

240 lines
5.4 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpunitcache.c
* Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
*
* 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
* Library 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 "config.h"
#include <glib-object.h>
#include "libgimpbase/gimpbasetypes.h"
#include "libgimpbase/gimpunit.h"
#include "gimpunitcache.h"
#include "gimpunit_pdb.h"
#include "libgimp-intl.h"
/* internal structures */
typedef struct
{
gdouble factor;
gint digits;
const gchar *identifier;
const gchar *symbol;
const gchar *abbreviation;
const gchar *singular;
const gchar *plural;
} GimpUnitDef;
static GimpUnitDef * gimp_unit_defs = NULL;
static GimpUnit gimp_units_initialized = 0;
/* not a unit at all but kept here to have the strings in one place
*/
static const GimpUnitDef gimp_unit_percent =
{
0.0, 0, "percent", "%", "%", N_("percent"), N_("percent")
};
static void gimp_unit_def_init (GimpUnitDef *unit_def,
GimpUnit unit);
static gboolean
gimp_unit_init (GimpUnit unit)
{
gint i, n;
if (unit < gimp_units_initialized)
return TRUE;
n = _gimp_unit_get_number_of_units ();
if (unit >= n)
return FALSE;
gimp_unit_defs = g_renew (GimpUnitDef, gimp_unit_defs, n);
for (i = gimp_units_initialized; i < n; i++)
{
gimp_unit_def_init (&gimp_unit_defs[i], i);
}
gimp_units_initialized = n;
return TRUE;
}
static void
gimp_unit_def_init (GimpUnitDef *unit_def,
GimpUnit unit)
{
unit_def->factor = _gimp_unit_get_factor (unit);
unit_def->digits = _gimp_unit_get_digits (unit);
unit_def->identifier = _gimp_unit_get_identifier (unit);
unit_def->symbol = _gimp_unit_get_symbol (unit);
unit_def->abbreviation = _gimp_unit_get_abbreviation (unit);
unit_def->singular = _gimp_unit_get_singular (unit);
unit_def->plural = _gimp_unit_get_plural (unit);
}
gint
_gimp_unit_cache_get_number_of_units (void)
{
return _gimp_unit_get_number_of_units ();
}
gint
_gimp_unit_cache_get_number_of_built_in_units (void)
{
return GIMP_UNIT_END;
}
GimpUnit
_gimp_unit_cache_new (gchar *identifier,
gdouble factor,
gint digits,
gchar *symbol,
gchar *abbreviation,
gchar *singular,
gchar *plural)
{
return _gimp_unit_new (identifier,
factor,
digits,
symbol,
abbreviation,
singular,
plural);
}
gboolean
_gimp_unit_cache_get_deletion_flag (GimpUnit unit)
{
if (unit < GIMP_UNIT_END)
return FALSE;
return _gimp_unit_get_deletion_flag (unit);
}
void
_gimp_unit_cache_set_deletion_flag (GimpUnit unit,
gboolean deletion_flag)
{
if (unit < GIMP_UNIT_END)
return;
_gimp_unit_set_deletion_flag (unit,
deletion_flag);
}
gdouble
_gimp_unit_cache_get_factor (GimpUnit unit)
{
g_return_val_if_fail (unit >= GIMP_UNIT_INCH, 1.0);
if (unit == GIMP_UNIT_PERCENT)
return gimp_unit_percent.factor;
if (!gimp_unit_init (unit))
return 1.0;
return gimp_unit_defs[unit].factor;
}
gint
_gimp_unit_cache_get_digits (GimpUnit unit)
{
g_return_val_if_fail (unit >= GIMP_UNIT_INCH, 0);
if (unit == GIMP_UNIT_PERCENT)
return gimp_unit_percent.digits;
if (!gimp_unit_init (unit))
return 0;
return gimp_unit_defs[unit].digits;
}
const gchar *
_gimp_unit_cache_get_identifier (GimpUnit unit)
{
if (unit == GIMP_UNIT_PERCENT)
return gimp_unit_percent.identifier;
if (!gimp_unit_init (unit))
return NULL;
return gimp_unit_defs[unit].identifier;
}
const gchar *
_gimp_unit_cache_get_symbol (GimpUnit unit)
{
if (unit == GIMP_UNIT_PERCENT)
return gimp_unit_percent.symbol;
if (!gimp_unit_init (unit))
return NULL;
return gimp_unit_defs[unit].symbol;
}
const gchar *
_gimp_unit_cache_get_abbreviation (GimpUnit unit)
{
if (unit == GIMP_UNIT_PERCENT)
return gimp_unit_percent.abbreviation;
if (!gimp_unit_init (unit))
return NULL;
return gimp_unit_defs[unit].abbreviation;
}
const gchar *
_gimp_unit_cache_get_singular (GimpUnit unit)
{
if (unit == GIMP_UNIT_PERCENT)
return gettext (gimp_unit_percent.singular);
if (!gimp_unit_init (unit))
return NULL;
return gettext (gimp_unit_defs[unit].singular);
}
const gchar *
_gimp_unit_cache_get_plural (GimpUnit unit)
{
if (unit == GIMP_UNIT_PERCENT)
return gettext (gimp_unit_percent.plural);
if (!gimp_unit_init (unit))
return NULL;
return gettext (gimp_unit_defs[unit].plural);
}