gimp/app/gegl/gimplevelsconfig.h

90 lines
3.7 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimplevelsconfig.h
* Copyright (C) 2007 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.
*/
#ifndef __GIMP_LEVELS_CONFIG_H__
#define __GIMP_LEVELS_CONFIG_H__
#include "core/gimpviewable.h"
#define GIMP_TYPE_LEVELS_CONFIG (gimp_levels_config_get_type ())
#define GIMP_LEVELS_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfig))
#define GIMP_LEVELS_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfigClass))
#define GIMP_IS_LEVELS_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_LEVELS_CONFIG))
#define GIMP_IS_LEVELS_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_LEVELS_CONFIG))
#define GIMP_LEVELS_CONFIG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfigClass))
typedef struct _GimpLevelsConfigClass GimpLevelsConfigClass;
struct _GimpLevelsConfig
{
GimpViewable parent_instance;
GimpHistogramChannel channel;
gdouble gamma[5];
gdouble low_input[5];
gdouble high_input[5];
gdouble low_output[5];
gdouble high_output[5];
};
struct _GimpLevelsConfigClass
{
GimpViewableClass parent_class;
};
GType gimp_levels_config_get_type (void) G_GNUC_CONST;
void gimp_levels_config_reset_channel (GimpLevelsConfig *config);
void gimp_levels_config_stretch (GimpLevelsConfig *config,
GimpHistogram *histogram,
gboolean is_color);
void gimp_levels_config_stretch_channel (GimpLevelsConfig *config,
GimpHistogram *histogram,
GimpHistogramChannel channel);
void gimp_levels_config_adjust_by_colors (GimpLevelsConfig *config,
GimpHistogramChannel channel,
const GimpRGB *black,
const GimpRGB *gray,
const GimpRGB *white);
gboolean gimp_levels_config_load_cruft (GimpLevelsConfig *config,
gpointer fp,
GError **error);
gboolean gimp_levels_config_save_cruft (GimpLevelsConfig *config,
gpointer fp);
/* temp cruft */
void gimp_levels_config_to_cruft (GimpLevelsConfig *config,
Levels *cruft,
gboolean is_color);
#endif /* __GIMP_LEVELS_CONFIG_H__ */