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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpunit.h
* Copyright (C) 1999-2003 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 3 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, see
* <https://www.gnu.org/licenses/>.
*/
#if !defined (__GIMP_BASE_H_INSIDE__) && !defined (GIMP_BASE_COMPILATION)
#error "Only <libgimpbase/gimpbase.h> can be included directly."
#endif
#ifndef __GIMP_UNIT_H__
#define __GIMP_UNIT_H__
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
/**
* GIMP_TYPE_UNIT:
*
* #GIMP_TYPE_UNIT is a class representing units used for measuring
* dimensions in GIMP.
**/
#define GIMP_TYPE_UNIT (gimp_unit_get_type ())
G_DECLARE_FINAL_TYPE (GimpUnit, gimp_unit, GIMP, UNIT, GObject)
gint32 gimp_unit_get_id (GimpUnit *unit);
const gchar * gimp_unit_get_name (GimpUnit *unit);
gdouble gimp_unit_get_factor (GimpUnit *unit);
gint gimp_unit_get_digits (GimpUnit *unit);
gint gimp_unit_get_scaled_digits (GimpUnit *unit,
gdouble resolution);
const gchar * gimp_unit_get_symbol (GimpUnit *unit);
const gchar * gimp_unit_get_abbreviation (GimpUnit *unit);
gboolean gimp_unit_get_deletion_flag (GimpUnit *unit);
void gimp_unit_set_deletion_flag (GimpUnit *unit,
gboolean deletion_flag);
GimpUnit * gimp_unit_get_by_id (gint unit_id);
GimpUnit * gimp_unit_pixel (void);
GimpUnit * gimp_unit_mm (void);
GimpUnit * gimp_unit_inch (void);
GimpUnit * gimp_unit_point (void);
GimpUnit * gimp_unit_pica (void);
GimpUnit * gimp_unit_percent (void);
gboolean gimp_unit_is_built_in (GimpUnit *unit);
gboolean gimp_unit_is_metric (GimpUnit *unit);
gchar * gimp_unit_format_string (const gchar *format,
GimpUnit *unit);
gdouble gimp_pixels_to_units (gdouble pixels,
GimpUnit *unit,
gdouble resolution);
gdouble gimp_units_to_pixels (gdouble value,
GimpUnit *unit,
gdouble resolution);
gdouble gimp_units_to_points (gdouble value,
GimpUnit *unit,
gdouble resolution);
/*
* GIMP_TYPE_PARAM_UNIT
*/
#define GIMP_VALUE_HOLDS_UNIT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_UNIT))
#define GIMP_TYPE_PARAM_UNIT (gimp_param_unit_get_type ())
#define GIMP_IS_PARAM_SPEC_UNIT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_UNIT))
GType gimp_param_unit_get_type (void) G_GNUC_CONST;
GParamSpec * gimp_param_spec_unit (const gchar *name,
const gchar *nick,
const gchar *blurb,
gboolean allow_pixel,
gboolean allow_percent,
GimpUnit *default_value,
GParamFlags flags);
gboolean gimp_param_spec_unit_pixel_allowed (GParamSpec *pspec);
gboolean gimp_param_spec_unit_percent_allowed (GParamSpec *pspec);
G_END_DECLS
#endif /* __GIMP_UNIT_H__ */
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