mirror of https://github.com/GNOME/gimp.git
367 lines
8.8 KiB
C
367 lines
8.8 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
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*
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* gimpunit.c
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* Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <glib-object.h>
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#include "libgimpbase/gimpbase.h"
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#include "core-types.h"
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#include "gimp.h"
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#include "gimpunit.h"
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#include "gimprc.h"
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#include "libgimp/gimpintl.h"
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/* internal structures */
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typedef struct
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{
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gboolean delete_on_exit;
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gdouble factor;
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gint digits;
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gchar *identifier;
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gchar *symbol;
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gchar *abbreviation;
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gchar *singular;
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gchar *plural;
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} GimpUnitDef;
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/* these are the built-in units
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*/
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static GimpUnitDef gimp_unit_defs[GIMP_UNIT_END] =
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{
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/* pseudo unit */
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{ FALSE, 0.0, 0, "pixels", "px", "px", N_("pixel"), N_("pixels") },
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/* standard units */
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{ FALSE, 1.0, 2, "inches", "''", "in", N_("inch"), N_("inches") },
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{ FALSE, 25.4, 1, "millimeters", "mm", "mm", N_("millimeter"), N_("millimeters") },
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/* professional units */
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{ FALSE, 72.0, 0, "points", "pt", "pt", N_("point"), N_("points") },
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{ FALSE, 6.0, 1, "picas", "pc", "pc", N_("pica"), N_("picas") },
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};
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/* not a unit at all but kept here to have the strings in one place
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*/
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static GimpUnitDef gimp_unit_percent =
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{
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FALSE, 0.0, 0, "percent", "%", "%", N_("percent"), N_("percent")
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};
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/* private functions */
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static GimpUnitDef *
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_gimp_unit_get_user_unit (Gimp *gimp,
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GimpUnit unit)
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{
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return g_list_nth_data (gimp->user_units, unit - GIMP_UNIT_END);
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}
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/* public functions */
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gint
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_gimp_unit_get_number_of_units (Gimp *gimp)
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{
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return GIMP_UNIT_END + gimp->n_user_units;
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}
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gint
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_gimp_unit_get_number_of_built_in_units (Gimp *gimp)
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{
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return GIMP_UNIT_END;
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}
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GimpUnit
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_gimp_unit_new (Gimp *gimp,
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gchar *identifier,
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gdouble factor,
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gint digits,
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gchar *symbol,
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gchar *abbreviation,
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gchar *singular,
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gchar *plural)
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{
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GimpUnitDef *user_unit;
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user_unit = g_new0 (GimpUnitDef, 1);
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user_unit->delete_on_exit = TRUE;
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user_unit->factor = factor;
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user_unit->digits = digits;
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user_unit->identifier = g_strdup (identifier);
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user_unit->symbol = g_strdup (symbol);
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user_unit->abbreviation = g_strdup (abbreviation);
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user_unit->singular = g_strdup (singular);
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user_unit->plural = g_strdup (plural);
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gimp->user_units = g_list_append (gimp->user_units, user_unit);
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gimp->n_user_units++;
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return GIMP_UNIT_END + gimp->n_user_units - 1;
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}
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gboolean
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_gimp_unit_get_deletion_flag (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units)), FALSE);
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if (unit < GIMP_UNIT_END)
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return FALSE;
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return _gimp_unit_get_user_unit (gimp, unit)->delete_on_exit;
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}
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void
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_gimp_unit_set_deletion_flag (Gimp *gimp,
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GimpUnit unit,
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gboolean deletion_flag)
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{
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g_return_if_fail ((unit >= GIMP_UNIT_END) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units)));
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_gimp_unit_get_user_unit (gimp, unit)->delete_on_exit =
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deletion_flag ? TRUE : FALSE;
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}
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gdouble
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_gimp_unit_get_factor (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units)),
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gimp_unit_defs[GIMP_UNIT_INCH].factor);
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if (unit < GIMP_UNIT_END)
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return gimp_unit_defs[unit].factor;
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return _gimp_unit_get_user_unit (gimp, unit)->factor;
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}
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gint
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_gimp_unit_get_digits (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units)),
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gimp_unit_defs[GIMP_UNIT_INCH].digits);
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if (unit < GIMP_UNIT_END)
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return gimp_unit_defs[unit].digits;
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return _gimp_unit_get_user_unit (gimp, unit)->digits;
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}
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gchar *
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_gimp_unit_get_identifier (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units))) ||
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(unit == GIMP_UNIT_PERCENT),
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gimp_unit_defs[GIMP_UNIT_INCH].identifier);
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if (unit < GIMP_UNIT_END)
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return gimp_unit_defs[unit].identifier;
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if (unit == GIMP_UNIT_PERCENT)
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return gimp_unit_percent.identifier;
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return _gimp_unit_get_user_unit (gimp, unit)->identifier;
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}
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gchar *
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_gimp_unit_get_symbol (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units))) ||
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(unit == GIMP_UNIT_PERCENT),
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gimp_unit_defs[GIMP_UNIT_INCH].symbol);
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if (unit < GIMP_UNIT_END)
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return gimp_unit_defs[unit].symbol;
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if (unit == GIMP_UNIT_PERCENT)
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return gimp_unit_percent.symbol;
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return _gimp_unit_get_user_unit (gimp, unit)->symbol;
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}
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gchar *
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_gimp_unit_get_abbreviation (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units))) ||
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(unit == GIMP_UNIT_PERCENT),
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gimp_unit_defs[GIMP_UNIT_INCH].abbreviation);
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if (unit < GIMP_UNIT_END)
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return gimp_unit_defs[unit].abbreviation;
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if (unit == GIMP_UNIT_PERCENT)
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return gimp_unit_percent.abbreviation;
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return _gimp_unit_get_user_unit (gimp, unit)->abbreviation;
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}
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gchar *
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_gimp_unit_get_singular (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units))) ||
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(unit == GIMP_UNIT_PERCENT),
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gettext (gimp_unit_defs[GIMP_UNIT_INCH].singular));
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if (unit < GIMP_UNIT_END)
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return gettext (gimp_unit_defs[unit].singular);
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if (unit == GIMP_UNIT_PERCENT)
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return gettext (gimp_unit_percent.singular);
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return gettext (_gimp_unit_get_user_unit (gimp, unit)->singular);
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}
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gchar *
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_gimp_unit_get_plural (Gimp *gimp,
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GimpUnit unit)
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{
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g_return_val_if_fail (((unit >= GIMP_UNIT_PIXEL) &&
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(unit < (GIMP_UNIT_END + gimp->n_user_units))) ||
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(unit == GIMP_UNIT_PERCENT),
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gettext (gimp_unit_defs[GIMP_UNIT_INCH].plural));
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if (unit < GIMP_UNIT_END)
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return gettext (gimp_unit_defs[unit].plural);
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if (unit == GIMP_UNIT_PERCENT)
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return gettext (gimp_unit_percent.plural);
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return gettext (_gimp_unit_get_user_unit (gimp, unit)->plural);
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}
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/* unitrc functions **********/
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void
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gimp_units_init (Gimp *gimp)
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{
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g_return_if_fail (gimp != NULL);
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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gimp->user_units = NULL;
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gimp->n_user_units = 0;
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}
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void
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gimp_units_exit (Gimp *gimp)
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{
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g_return_if_fail (gimp != NULL);
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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if (gimp->user_units)
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{
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g_list_foreach (gimp->user_units, (GFunc) g_free, NULL);
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g_list_free (gimp->user_units);
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gimp->user_units = NULL;
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gimp->n_user_units = 0;
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}
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}
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void
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gimp_unitrc_load (Gimp *gimp)
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{
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gchar *filename;
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g_return_if_fail (gimp != NULL);
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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filename = gimp_personal_rc_file ("unitrc");
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gimprc_parse_file (filename);
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g_free (filename);
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}
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void
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gimp_unitrc_save (Gimp *gimp)
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{
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gint i;
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gchar *filename;
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FILE *fp;
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g_return_if_fail (gimp != NULL);
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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filename = gimp_personal_rc_file ("unitrc");
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fp = fopen (filename, "w");
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g_free (filename);
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if (!fp)
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return;
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fprintf (fp,
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"# GIMP unitrc\n"
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"# This file contains your user unit database. You can\n"
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"# modify this list with the unit editor. You are not\n"
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"# supposed to edit it manually, but of course you can do.\n"
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"# This file will be entirely rewritten every time you\n"
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"# quit the gimp.\n\n");
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/* save user defined units */
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for (i = gimp_unit_get_number_of_built_in_units ();
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i < gimp_unit_get_number_of_units ();
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i++)
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if (gimp_unit_get_deletion_flag (i) == FALSE)
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{
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fprintf (fp,
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"(unit-info \"%s\"\n"
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" (factor %f)\n"
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" (digits %d)\n"
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" (symbol \"%s\")\n"
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" (abbreviation \"%s\")\n"
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" (singular \"%s\")\n"
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" (plural \"%s\"))\n\n",
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gimp_unit_get_identifier (i),
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gimp_unit_get_factor (i),
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gimp_unit_get_digits (i),
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gimp_unit_get_symbol (i),
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gimp_unit_get_abbreviation (i),
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gimp_unit_get_singular (i),
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gimp_unit_get_plural (i));
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}
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fclose (fp);
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}
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