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/* 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 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 <https://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_LEVELS_CONFIG_H__
#define __GIMP_LEVELS_CONFIG_H__
#include "gimpoperationsettings.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
{
GimpOperationSettings parent_instance;
gboolean linear;
GimpHistogramChannel channel;
gdouble low_input[5];
gdouble high_input[5];
gboolean clamp_input;
gdouble gamma[5];
gdouble low_output[5];
gdouble high_output[5];
gboolean clamp_output;
};
struct _GimpLevelsConfigClass
{
GimpOperationSettingsClass 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);
GimpCurvesConfig *
gimp_levels_config_to_curves_config (GimpLevelsConfig *config);
gboolean gimp_levels_config_load_cruft (GimpLevelsConfig *config,
GInputStream *input,
GError **error);
gboolean gimp_levels_config_save_cruft (GimpLevelsConfig *config,
GOutputStream *output,
GError **error);
#endif /* __GIMP_LEVELS_CONFIG_H__ */
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