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- /* 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 <stdlib.h>
- #include <stdio.h>
-
- #include <glib.h>
-
- #include "unitrc.h"
-
- #include "app_procs.h"
- #include "gimprc.h"
-
- /* NOTE:
- *
- * one of our header files is in libgimp/ (see the note there)
- */
- #include "libgimp/gimpunit.h"
- #include "libgimp/gimpenv.h"
-
- #include "libgimp/gimpintl.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")
- };
-
- static GSList* user_units = NULL;
- static gint number_of_user_units = 0;
-
- /* private functions */
-
- static GimpUnitDef *
- gimp_unit_get_user_unit (GimpUnit unit)
- {
- return g_slist_nth_data (user_units, unit - GIMP_UNIT_END);
- }
-
-
- /* public functions */
-
- gint
- gimp_unit_get_number_of_units (void)
- {
- return GIMP_UNIT_END + number_of_user_units;
- }
-
- gint
- gimp_unit_get_number_of_built_in_units (void)
- {
- return GIMP_UNIT_END;
- }
-
-
- GimpUnit
- gimp_unit_new (gchar *identifier,
- gdouble factor,
- gint digits,
- gchar *symbol,
- gchar *abbreviation,
- gchar *singular,
- gchar *plural)
- {
- GimpUnitDef *user_unit;
-
- user_unit = g_new (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);
-
- user_units = g_slist_append (user_units, user_unit);
- number_of_user_units++;
-
- return GIMP_UNIT_END + number_of_user_units - 1;
- }
-
-
- gboolean
- gimp_unit_get_deletion_flag (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_user_units)), FALSE);
-
- if (unit < GIMP_UNIT_END)
- return FALSE;
-
- return gimp_unit_get_user_unit (unit)->delete_on_exit;
- }
-
- void
- gimp_unit_set_deletion_flag (GimpUnit unit,
- gboolean deletion_flag)
- {
- g_return_if_fail ((unit >= GIMP_UNIT_END) &&
- (unit < (GIMP_UNIT_END + number_of_user_units)));
-
- gimp_unit_get_user_unit (unit)->delete_on_exit =
- deletion_flag ? TRUE : FALSE;
- }
-
-
- gdouble
- gimp_unit_get_factor (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->factor;
- }
-
-
- gint
- gimp_unit_get_digits (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->digits;
- }
-
-
- gchar *
- gimp_unit_get_identifier (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->identifier;
- }
-
-
- gchar *
- gimp_unit_get_symbol (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->symbol;
- }
-
-
- gchar *
- gimp_unit_get_abbreviation (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->abbreviation;
- }
-
-
- gchar *
- gimp_unit_get_singular (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->singular);
- }
-
-
- gchar *
- gimp_unit_get_plural (GimpUnit unit)
- {
- g_return_val_if_fail ((unit >= GIMP_UNIT_PIXEL) &&
- (unit < (GIMP_UNIT_END + number_of_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 (unit)->plural);
- }
-
-
- /* unitrc functions **********/
-
- void
- parse_unitrc (void)
- {
- gchar *filename;
-
- filename = gimp_personal_rc_file ("unitrc");
- parse_gimprc_file (filename);
- g_free (filename);
- }
-
-
- void
- save_unitrc (void)
- {
- gint i;
- gchar *filename;
- FILE *fp;
-
- filename = gimp_personal_rc_file ("unitrc");
-
- fp = fopen (filename, "w");
- g_free (filename);
- if (!fp)
- return;
-
- fprintf (fp,
- "# GIMP unitrc\n"
- "# This file contains your user unit database. You can\n"
- "# modify this list with the unit editor. You are not\n"
- "# supposed to edit it manually, but of course you can do.\n"
- "# This file will be entirely rewritten every time you\n"
- "# quit the gimp.\n\n");
-
- /* save user defined units */
- for (i = gimp_unit_get_number_of_built_in_units ();
- i < gimp_unit_get_number_of_units ();
- i++)
- if (gimp_unit_get_deletion_flag (i) == FALSE)
- {
- fprintf (fp,
- "(unit-info \"%s\"\n"
- " (factor %f)\n"
- " (digits %d)\n"
- " (symbol \"%s\")\n"
- " (abbreviation \"%s\")\n"
- " (singular \"%s\")\n"
- " (plural \"%s\"))\n\n",
- gimp_unit_get_identifier (i),
- gimp_unit_get_factor (i),
- gimp_unit_get_digits (i),
- gimp_unit_get_symbol (i),
- gimp_unit_get_abbreviation (i),
- gimp_unit_get_singular (i),
- gimp_unit_get_plural (i));
- }
-
- fclose (fp);
- }
-