/* GIMP - The GNU Image Manipulation Program * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis * * gimpunit.c * Copyright (C) 1999-2000 Michael Natterer * * 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 3 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, see . */ /* This file contains the definition of the size unit objects. The * factor of the units is relative to inches (which have a factor of 1). */ #include "config.h" #include #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 const GimpUnitDef gimp_unit_defs[GIMP_UNIT_END] = { /* pseudo unit */ { FALSE, 0.0, 0, "pixels", "px", "px", NC_("unit-singular", "pixel"), NC_("unit-plural", "pixels") }, /* standard units */ { FALSE, 1.0, 2, "inches", "''", "in", NC_("unit-singular", "inch"), NC_("unit-plural", "inches") }, { FALSE, 25.4, 1, "millimeters", "mm", "mm", NC_("unit-singular", "millimeter"), NC_("unit-plural", "millimeters") }, /* professional units */ { FALSE, 72.0, 0, "points", "pt", "pt", NC_("unit-singular", "point"), NC_("unit-plural", "points") }, { FALSE, 6.0, 1, "picas", "pc", "pc", NC_("unit-singular", "pica"), NC_("unit-plural", "picas") } }; /* not a unit at all but kept here to have the strings in one place */ static const GimpUnitDef gimp_unit_percent = { FALSE, 0.0, 0, "percent", "%", "%", NC_("singular", "percent"), NC_("plural", "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, const gchar *identifier, gdouble factor, gint digits, const gchar *symbol, const gchar *abbreviation, const gchar *singular, const gchar *plural) { GimpUnitDef *user_unit = g_slice_new0 (GimpUnitDef); 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) || (unit == GIMP_UNIT_PERCENT), gimp_unit_defs[GIMP_UNIT_INCH].factor); if (unit < GIMP_UNIT_END) return gimp_unit_defs[unit].factor; if (unit == GIMP_UNIT_PERCENT) return gimp_unit_percent.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) || (unit == GIMP_UNIT_PERCENT), gimp_unit_defs[GIMP_UNIT_INCH].digits); if (unit < GIMP_UNIT_END) return gimp_unit_defs[unit].digits; if (unit == GIMP_UNIT_PERCENT) return gimp_unit_percent.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), gimp_unit_defs[GIMP_UNIT_INCH].singular); if (unit < GIMP_UNIT_END) return g_dpgettext2 (NULL, "unit-singular", gimp_unit_defs[unit].singular); if (unit == GIMP_UNIT_PERCENT) return g_dpgettext2 (NULL, "unit-singular", gimp_unit_percent.singular); return _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), gimp_unit_defs[GIMP_UNIT_INCH].plural); if (unit < GIMP_UNIT_END) return g_dpgettext2 (NULL, "unit-plural", gimp_unit_defs[unit].plural); if (unit == GIMP_UNIT_PERCENT) return g_dpgettext2 (NULL, "unit-plural", gimp_unit_percent.plural); return _gimp_unit_get_user_unit (gimp, unit)->plural; } /* The sole purpose of this function is to release the allocated * memory. It must only be used from gimp_units_exit(). */ void gimp_user_units_free (Gimp *gimp) { GList *list; for (list = gimp->user_units; list; list = g_list_next (list)) { GimpUnitDef *user_unit = list->data; g_free (user_unit->identifier); g_free (user_unit->symbol); g_free (user_unit->abbreviation); g_free (user_unit->singular); g_free (user_unit->plural); g_slice_free (GimpUnitDef, user_unit); } g_list_free (gimp->user_units); gimp->user_units = NULL; gimp->n_user_units = 0; }