mirror of https://github.com/GNOME/gimp.git
261 lines
6.6 KiB
C
261 lines
6.6 KiB
C
/* The GIMP -- an image manipulation program
|
|
* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
|
|
*
|
|
* gimpunit.c
|
|
* Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; 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/gimpbase.h"
|
|
|
|
#include "core-types.h"
|
|
|
|
#include "gimp.h"
|
|
#include "gimpunit.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
/* internal structures */
|
|
|
|
typedef struct
|
|
{
|
|
gboolean delete_on_exit;
|
|
gdouble factor;
|
|
gint digits;
|
|
gchar *identifier;
|
|
gchar *symbol;
|
|
gchar *abbreviation;
|
|
gchar *singular;
|
|
gchar *plural;
|
|
} GimpUnitDef;
|
|
|
|
/* these are the built-in units
|
|
*/
|
|
static GimpUnitDef gimp_unit_defs[GIMP_UNIT_END] =
|
|
{
|
|
/* pseudo unit */
|
|
{ FALSE, 0.0, 0, "pixels", "px", "px", N_("pixel"), N_("pixels") },
|
|
|
|
/* standard units */
|
|
{ FALSE, 1.0, 2, "inches", "''", "in", N_("inch"), N_("inches") },
|
|
{ FALSE, 25.4, 1, "millimeters", "mm", "mm", N_("millimeter"), N_("millimeters") },
|
|
|
|
/* professional units */
|
|
{ FALSE, 72.0, 0, "points", "pt", "pt", N_("point"), N_("points") },
|
|
{ FALSE, 6.0, 1, "picas", "pc", "pc", N_("pica"), N_("picas") },
|
|
};
|
|
|
|
/* not a unit at all but kept here to have the strings in one place
|
|
*/
|
|
static GimpUnitDef gimp_unit_percent =
|
|
{
|
|
FALSE, 0.0, 0, "percent", "%", "%", N_("percent"), N_("percent")
|
|
};
|
|
|
|
|
|
/* private functions */
|
|
|
|
static GimpUnitDef *
|
|
_gimp_unit_get_user_unit (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
return g_list_nth_data (gimp->user_units, unit - GIMP_UNIT_END);
|
|
}
|
|
|
|
|
|
/* public functions */
|
|
|
|
gint
|
|
_gimp_unit_get_number_of_units (Gimp *gimp)
|
|
{
|
|
return GIMP_UNIT_END + gimp->n_user_units;
|
|
}
|
|
|
|
gint
|
|
_gimp_unit_get_number_of_built_in_units (Gimp *gimp)
|
|
{
|
|
return GIMP_UNIT_END;
|
|
}
|
|
|
|
GimpUnit
|
|
_gimp_unit_new (Gimp *gimp,
|
|
gchar *identifier,
|
|
gdouble factor,
|
|
gint digits,
|
|
gchar *symbol,
|
|
gchar *abbreviation,
|
|
gchar *singular,
|
|
gchar *plural)
|
|
{
|
|
GimpUnitDef *user_unit;
|
|
|
|
user_unit = g_new0 (GimpUnitDef, 1);
|
|
|
|
user_unit->delete_on_exit = TRUE;
|
|
user_unit->factor = factor;
|
|
user_unit->digits = digits;
|
|
user_unit->identifier = g_strdup (identifier);
|
|
user_unit->symbol = g_strdup (symbol);
|
|
user_unit->abbreviation = g_strdup (abbreviation);
|
|
user_unit->singular = g_strdup (singular);
|
|
user_unit->plural = g_strdup (plural);
|
|
|
|
gimp->user_units = g_list_append (gimp->user_units, user_unit);
|
|
gimp->n_user_units++;
|
|
|
|
return GIMP_UNIT_END + gimp->n_user_units - 1;
|
|
}
|
|
|
|
gboolean
|
|
_gimp_unit_get_deletion_flag (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail (unit < (GIMP_UNIT_END + gimp->n_user_units), FALSE);
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return FALSE;
|
|
|
|
return _gimp_unit_get_user_unit (gimp, unit)->delete_on_exit;
|
|
}
|
|
|
|
void
|
|
_gimp_unit_set_deletion_flag (Gimp *gimp,
|
|
GimpUnit unit,
|
|
gboolean deletion_flag)
|
|
{
|
|
g_return_if_fail ((unit >= GIMP_UNIT_END) &&
|
|
(unit < (GIMP_UNIT_END + gimp->n_user_units)));
|
|
|
|
_gimp_unit_get_user_unit (gimp, unit)->delete_on_exit =
|
|
deletion_flag ? TRUE : FALSE;
|
|
}
|
|
|
|
gdouble
|
|
_gimp_unit_get_factor (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail (unit < (GIMP_UNIT_END + gimp->n_user_units),
|
|
gimp_unit_defs[GIMP_UNIT_INCH].factor);
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gimp_unit_defs[unit].factor;
|
|
|
|
return _gimp_unit_get_user_unit (gimp, unit)->factor;
|
|
}
|
|
|
|
gint
|
|
_gimp_unit_get_digits (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail (unit < (GIMP_UNIT_END + gimp->n_user_units),
|
|
gimp_unit_defs[GIMP_UNIT_INCH].digits);
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gimp_unit_defs[unit].digits;
|
|
|
|
return _gimp_unit_get_user_unit (gimp, unit)->digits;
|
|
}
|
|
|
|
const gchar *
|
|
_gimp_unit_get_identifier (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail ((unit < (GIMP_UNIT_END + gimp->n_user_units)) ||
|
|
(unit == GIMP_UNIT_PERCENT),
|
|
gimp_unit_defs[GIMP_UNIT_INCH].identifier);
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gimp_unit_defs[unit].identifier;
|
|
|
|
if (unit == GIMP_UNIT_PERCENT)
|
|
return gimp_unit_percent.identifier;
|
|
|
|
return _gimp_unit_get_user_unit (gimp, unit)->identifier;
|
|
}
|
|
|
|
const gchar *
|
|
_gimp_unit_get_symbol (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail ((unit < (GIMP_UNIT_END + gimp->n_user_units)) ||
|
|
(unit == GIMP_UNIT_PERCENT),
|
|
gimp_unit_defs[GIMP_UNIT_INCH].symbol);
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gimp_unit_defs[unit].symbol;
|
|
|
|
if (unit == GIMP_UNIT_PERCENT)
|
|
return gimp_unit_percent.symbol;
|
|
|
|
return _gimp_unit_get_user_unit (gimp, unit)->symbol;
|
|
}
|
|
|
|
const gchar *
|
|
_gimp_unit_get_abbreviation (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail ((unit < (GIMP_UNIT_END + gimp->n_user_units)) ||
|
|
(unit == GIMP_UNIT_PERCENT),
|
|
gimp_unit_defs[GIMP_UNIT_INCH].abbreviation);
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gimp_unit_defs[unit].abbreviation;
|
|
|
|
if (unit == GIMP_UNIT_PERCENT)
|
|
return gimp_unit_percent.abbreviation;
|
|
|
|
return _gimp_unit_get_user_unit (gimp, unit)->abbreviation;
|
|
}
|
|
|
|
const gchar *
|
|
_gimp_unit_get_singular (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail ((unit < (GIMP_UNIT_END + gimp->n_user_units)) ||
|
|
(unit == GIMP_UNIT_PERCENT),
|
|
gettext (gimp_unit_defs[GIMP_UNIT_INCH].singular));
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gettext (gimp_unit_defs[unit].singular);
|
|
|
|
if (unit == GIMP_UNIT_PERCENT)
|
|
return gettext (gimp_unit_percent.singular);
|
|
|
|
return gettext (_gimp_unit_get_user_unit (gimp, unit)->singular);
|
|
}
|
|
|
|
const gchar *
|
|
_gimp_unit_get_plural (Gimp *gimp,
|
|
GimpUnit unit)
|
|
{
|
|
g_return_val_if_fail ((unit < (GIMP_UNIT_END + gimp->n_user_units)) ||
|
|
(unit == GIMP_UNIT_PERCENT),
|
|
gettext (gimp_unit_defs[GIMP_UNIT_INCH].plural));
|
|
|
|
if (unit < GIMP_UNIT_END)
|
|
return gettext (gimp_unit_defs[unit].plural);
|
|
|
|
if (unit == GIMP_UNIT_PERCENT)
|
|
return gettext (gimp_unit_percent.plural);
|
|
|
|
return gettext (_gimp_unit_get_user_unit (gimp, unit)->plural);
|
|
}
|