1 /* GIMP - The GNU Image Manipulation Program 2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis 3 * 4 * gimplevelsconfig.h 5 * Copyright (C) 2007 Michael Natterer <mitch@gimp.org> 6 * 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program. If not, see <https://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef __GIMP_LEVELS_CONFIG_H__ 22 #define __GIMP_LEVELS_CONFIG_H__ 23 24 25 #include "gimpoperationsettings.h" 26 27 28 #define GIMP_TYPE_LEVELS_CONFIG (gimp_levels_config_get_type ()) 29 #define GIMP_LEVELS_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfig)) 30 #define GIMP_LEVELS_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfigClass)) 31 #define GIMP_IS_LEVELS_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_LEVELS_CONFIG)) 32 #define GIMP_IS_LEVELS_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_LEVELS_CONFIG)) 33 #define GIMP_LEVELS_CONFIG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfigClass)) 34 35 36 typedef struct _GimpLevelsConfigClass GimpLevelsConfigClass; 37 38 struct _GimpLevelsConfig 39 { 40 GimpOperationSettings parent_instance; 41 42 gboolean linear; 43 44 GimpHistogramChannel channel; 45 46 gdouble low_input[5]; 47 gdouble high_input[5]; 48 49 gboolean clamp_input; 50 51 gdouble gamma[5]; 52 53 gdouble low_output[5]; 54 gdouble high_output[5]; 55 56 gboolean clamp_output; 57 }; 58 59 struct _GimpLevelsConfigClass 60 { 61 GimpOperationSettingsClass parent_class; 62 }; 63 64 65 GType gimp_levels_config_get_type (void) G_GNUC_CONST; 66 67 void gimp_levels_config_reset_channel (GimpLevelsConfig *config); 68 69 void gimp_levels_config_stretch (GimpLevelsConfig *config, 70 GimpHistogram *histogram, 71 gboolean is_color); 72 void gimp_levels_config_stretch_channel (GimpLevelsConfig *config, 73 GimpHistogram *histogram, 74 GimpHistogramChannel channel); 75 void gimp_levels_config_adjust_by_colors (GimpLevelsConfig *config, 76 GimpHistogramChannel channel, 77 const GimpRGB *black, 78 const GimpRGB *gray, 79 const GimpRGB *white); 80 81 GimpCurvesConfig * 82 gimp_levels_config_to_curves_config (GimpLevelsConfig *config); 83 84 gboolean gimp_levels_config_load_cruft (GimpLevelsConfig *config, 85 GInputStream *input, 86 GError **error); 87 gboolean gimp_levels_config_save_cruft (GimpLevelsConfig *config, 88 GOutputStream *output, 89 GError **error); 90 91 92 #endif /* __GIMP_LEVELS_CONFIG_H__ */ 93