mirror of https://github.com/GNOME/gimp.git
125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/* LIBGIMP - The GIMP Library
|
|
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
|
|
*
|
|
* gimpunit.h
|
|
* Copyright (C) 1999 Michael Natterer <mitschel@cs.tu-berlin.de>
|
|
*
|
|
* 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
|
|
* Lesser 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.
|
|
*/
|
|
|
|
/* NOTE:
|
|
*
|
|
* This file serves as header for both app/gimpunit.c and libgimp/gimpunit.c
|
|
* because the unit functions are needed by widgets which are used by both
|
|
* the gimp app and plugins.
|
|
*/
|
|
|
|
#ifndef __GIMPUNIT_H__
|
|
#define __GIMPUNIT_H__
|
|
|
|
#include <glib.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
typedef enum
|
|
{
|
|
UNIT_PIXEL = 0,
|
|
UNIT_INCH = 1,
|
|
UNIT_MM = 2,
|
|
UNIT_POINT = 3,
|
|
UNIT_PICA = 4,
|
|
UNIT_END = 5, /* never use UNIT_END but
|
|
* gimp_unit_get_number_of_units() instead
|
|
*/
|
|
|
|
UNIT_PERCENT = 65536 /* this one does not really belong here but it's
|
|
* convenient to use the unit system for the
|
|
* various strings (symbol, singular, ...)
|
|
*
|
|
* you can only ask it for it's strings, asking for
|
|
* factor, digits or deletion_flag will produce
|
|
* an error.
|
|
*/
|
|
} GUnit;
|
|
|
|
|
|
gint gimp_unit_get_number_of_units (void);
|
|
gint gimp_unit_get_number_of_built_in_units (void);
|
|
|
|
/* Create a new user unit and returns it's ID.
|
|
*
|
|
* Note that a new unit is always created with it's deletion flag
|
|
* set to TRUE. You will have to set it to FALSE after creation to make
|
|
* the unit definition persistant.
|
|
*/
|
|
GUnit gimp_unit_new (gchar *identifier,
|
|
gdouble factor,
|
|
gint digits,
|
|
gchar *symbol,
|
|
gchar *abbreviation,
|
|
gchar *singular,
|
|
gchar *plural);
|
|
|
|
/* The following functions fall back to inch (not pixel, as pixel is not
|
|
* a 'real' unit) if the value passed is out of range.
|
|
*
|
|
* Trying to change the deletion flag of built-in units will be ignored.
|
|
*/
|
|
|
|
/* If the deletion flag for a unit is TRUE on GIMP exit, this unit
|
|
* will not be saved in the user units database.
|
|
*/
|
|
guint gimp_unit_get_deletion_flag (GUnit unit);
|
|
void gimp_unit_set_deletion_flag (GUnit unit,
|
|
guint deletion_flag);
|
|
|
|
/* The meaning of 'factor' is:
|
|
* distance_in_units == ( factor * distance_in_inches )
|
|
*
|
|
* Returns 0 for unit == UNIT_PIXEL as we don't have resolution info here
|
|
*/
|
|
gdouble gimp_unit_get_factor (GUnit unit);
|
|
|
|
/* The following function gives a hint how many digits a spinbutton
|
|
* should provide to get approximately the accuracy of an inch-spinbutton
|
|
* with two digits.
|
|
*
|
|
* Returns 0 for unit == UNIT_PIXEL as we don't have resolution info here.
|
|
*/
|
|
gint gimp_unit_get_digits (GUnit unit);
|
|
|
|
/* NOTE:
|
|
*
|
|
* the gchar pointer returned is constant in the gimp application but must
|
|
* be g_free()'d by plug-ins.
|
|
*/
|
|
|
|
/* This one is an untranslated string for gimprc */
|
|
gchar * gimp_unit_get_identifier (GUnit unit);
|
|
|
|
gchar * gimp_unit_get_symbol (GUnit unit);
|
|
gchar * gimp_unit_get_abbreviation (GUnit unit);
|
|
gchar * gimp_unit_get_singular (GUnit unit);
|
|
gchar * gimp_unit_get_plural (GUnit unit);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* __GIMPUNIT_H__ */
|