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- /* LIBGIMP - The GIMP Library
- * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
- *
- * gimpunit.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.h>
-
- #include "gimpunit.h"
- #include "gimpunit_pdb.h"
-
- #include "libgimp-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;
-
- 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")
- };
-
-
- /**
- * gimp_unit_get_number_of_units:
- *
- * Returns the number of units which are known to the #GimpUnit system.
- *
- * Returns: The number of defined units.
- *
- */
- gint
- gimp_unit_get_number_of_units (void)
- {
- return _gimp_unit_get_number_of_units ();
- }
-
- /**
- * gimp_unit_get_number_of_built_in_units:
- *
- * Returns the number of #GimpUnit's which are hardcoded in the unit system
- * (UNIT_INCH, UNIT_MM, UNIT_POINT, UNIT_PICA and the two "pseudo unit"
- * UNIT_PIXEL).
- *
- * Returns: The number of built-in units.
- *
- */
- gint
- gimp_unit_get_number_of_built_in_units (void)
- {
- return GIMP_UNIT_END;
- }
-
- /**
- * gimp_unit_new:
- * @identifier: The unit's identifier string.
- * @factor: The unit's factor (how many units are in one inch).
- * @digits: The unit's suggested number of digits (see gimp_unit_get_digits()).
- * @symbol: The symbol of the unit (e.g. "''" for inch).
- * @abbreviation: The abbreviation of the unit.
- * @singular: The singular form of the unit.
- * @plural: The plural form of the unit.
- *
- * Returns the integer ID of the new #GimpUnit.
- *
- * Note that a new unit is always created with it's deletion flag
- * set to #TRUE. You will have to set it to #FALSE with
- * gimp_unit_set_deletion_flag() to make the unit definition persistent.
- *
- * Returns: The ID of the new unit.
- *
- */
- GimpUnit
- gimp_unit_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);
- }
-
- /**
- * gimp_unit_get_deletion_flag:
- * @unit: The unit you want to know the @deletion_flag of.
- *
- * Returns: The unit's @deletion_flag.
- *
- */
- gboolean
- gimp_unit_get_deletion_flag (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_PIXEL, TRUE);
-
- if (unit < GIMP_UNIT_END)
- return FALSE;
-
- return _gimp_unit_get_deletion_flag (unit);
- }
-
- /**
- * gimp_unit_set_deletion_flag:
- * @unit: The unit you want to set the @deletion_flag for.
- * @deletion_flag: The new deletion_flag.
- *
- * Sets a #GimpUnit's @deletion_flag. If the @deletion_flag of a unit is
- * #TRUE when GIMP exits, this unit will not be saved in the uses's
- * "unitrc" file.
- *
- * Trying to change the @deletion_flag of a built-in unit will be silently
- * ignored.
- *
- */
- void
- gimp_unit_set_deletion_flag (GimpUnit unit,
- gboolean deletion_flag)
- {
- g_return_if_fail (unit >= GIMP_UNIT_PIXEL);
-
- if (unit < GIMP_UNIT_END)
- return;
-
- _gimp_unit_set_deletion_flag (unit,
- deletion_flag);
- }
-
- /**
- * gimp_unit_get_factor:
- * @unit: The unit you want to know the factor of.
- *
- * A #GimpUnit's @factor is defined to be:
- *
- * distance_in_units == (@factor * distance_in_inches)
- *
- * Returns 0 for @unit == GIMP_UNIT_PIXEL.
- *
- * Returns: The unit's factor.
- *
- */
- gdouble
- gimp_unit_get_factor (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_INCH, 1.0);
-
- if (unit < GIMP_UNIT_END)
- return gimp_unit_defs[unit].factor;
-
- return _gimp_unit_get_factor (unit);
- }
-
- /**
- * gimp_unit_get_digits:
- * @unit: The unit you want to know the digits.
- *
- * Returns the number of digits an entry field should provide to get
- * approximately the same accuracy as an inch input field with two digits.
- *
- * Returns 0 for @unit == GIMP_UNIT_PIXEL.
- *
- * Returns: The suggested number of digits.
- *
- */
- gint
- gimp_unit_get_digits (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_INCH, 0);
-
- if (unit < GIMP_UNIT_END)
- return gimp_unit_defs[unit].digits;
-
- return _gimp_unit_get_digits (unit);
- }
-
- /**
- * gimp_unit_get_identifier:
- * @unit: The unit you want to know the identifier of.
- *
- * This is an unstranslated string.
- *
- * NOTE: This string has to be g_free()'d by plugins but is a pointer to a
- * constant string when this function is used from inside the GIMP.
- *
- * Returns: The unit's identifier.
- *
- */
- gchar *
- gimp_unit_get_identifier (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_PIXEL, g_strdup (""));
-
- if (unit < GIMP_UNIT_END)
- return g_strdup (gimp_unit_defs[unit].identifier);
-
- if (unit == GIMP_UNIT_PERCENT)
- return g_strdup (gimp_unit_percent.identifier);
-
- return _gimp_unit_get_identifier (unit);
- }
-
- /**
- * gimp_unit_get_symbol:
- * @unit: The unit you want to know the symbol of.
- *
- * This is e.g. "''" for UNIT_INCH.
- *
- * NOTE: This string has to be g_free()'d by plugins but is a pointer to a
- * constant string when this function is used from inside the GIMP.
- *
- * Returns: The unit's symbol.
- *
- */
- gchar *
- gimp_unit_get_symbol (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_PIXEL, g_strdup (""));
-
- if (unit < GIMP_UNIT_END)
- return g_strdup (gimp_unit_defs[unit].symbol);
-
- if (unit == GIMP_UNIT_PERCENT)
- return g_strdup (gimp_unit_percent.symbol);
-
- return _gimp_unit_get_symbol (unit);
- }
-
- /**
- * gimp_unit_get_abbreviation:
- * @unit: The unit you want to know the abbreviation of.
- *
- * For built-in units, this function returns the translated abbreviation
- * of the unit.
- *
- * NOTE: This string has to be g_free()'d by plugins but is a pointer to a
- * constant string when this function is used from inside the GIMP.
- *
- * Returns: The unit's abbreviation.
- *
- */
- gchar *
- gimp_unit_get_abbreviation (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_PIXEL, g_strdup (""));
-
- if (unit < GIMP_UNIT_END)
- return g_strdup (gimp_unit_defs[unit].abbreviation);
-
- if (unit == GIMP_UNIT_PERCENT)
- return g_strdup (gimp_unit_percent.abbreviation);
-
- return _gimp_unit_get_abbreviation (unit);
- }
-
- /**
- * gimp_unit_get_singular:
- * @unit: The unit you want to know the singular form of.
- *
- * For built-in units, this function returns the translated singular form
- * of the unit's name.
- *
- * NOTE: This string has to be g_free()'d by plugins but is a pointer to a
- * constant string when this function is used from inside the GIMP.
- *
- * Returns: The unit's singular form.
- *
- */
- gchar *
- gimp_unit_get_singular (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_PIXEL, g_strdup (""));
-
- if (unit < GIMP_UNIT_END)
- return g_strdup (gettext (gimp_unit_defs[unit].singular));
-
- if (unit == GIMP_UNIT_PERCENT)
- return g_strdup (gettext (gimp_unit_percent.singular));
-
- return _gimp_unit_get_singular (unit);
- }
-
- /**
- * gimp_unit_get_plural:
- * @unit: The unit you want to know the plural form of.
- *
- * For built-in units, this function returns the translated plural form
- * of the unit's name.
- *
- * NOTE: This string has to be g_free()'d by plugins but is a pointer to a
- * constant string when this function is used from inside the GIMP.
- *
- * Returns: The unit's plural form.
- *
- */
- gchar *
- gimp_unit_get_plural (GimpUnit unit)
- {
- g_return_val_if_fail (unit >= GIMP_UNIT_PIXEL, g_strdup (""));
-
- if (unit < GIMP_UNIT_END)
- return g_strdup (gettext (gimp_unit_defs[unit].plural));
-
- if (unit == GIMP_UNIT_PERCENT)
- return g_strdup (gettext (gimp_unit_percent.plural));
-
- return _gimp_unit_get_plural (unit);
- }
-