1 /* GIMP - The GNU Image Manipulation Program 2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <https://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __GIMP_HISTOGRAM_VIEW_H__ 19 #define __GIMP_HISTOGRAM_VIEW_H__ 20 21 22 #define GIMP_TYPE_HISTOGRAM_VIEW (gimp_histogram_view_get_type ()) 23 #define GIMP_HISTOGRAM_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_HISTOGRAM_VIEW, GimpHistogramView)) 24 #define GIMP_HISTOGRAM_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_HISTOGRAM_VIEW, GimpHistogramViewClass)) 25 #define GIMP_IS_HISTOGRAM_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_HISTOGRAM_VIEW)) 26 #define GIMP_IS_HISTOGRAM_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_HISTOGRAM_VIEW)) 27 #define GIMP_HISTOGRAM_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_HISTOGRAM_VIEW, GimpHistogramViewClass)) 28 29 30 typedef struct _GimpHistogramViewClass GimpHistogramViewClass; 31 32 struct _GimpHistogramView 33 { 34 GtkDrawingArea parent_instance; 35 36 GimpHistogram *histogram; 37 GimpHistogram *bg_histogram; 38 GimpHistogramChannel channel; 39 GimpHistogramScale scale; 40 gint n_bins; 41 gint start; 42 gint end; 43 44 gint border_width; 45 gint subdivisions; 46 }; 47 48 struct _GimpHistogramViewClass 49 { 50 GtkDrawingAreaClass parent_class; 51 52 void (* range_changed) (GimpHistogramView *view, 53 gint start, 54 gint end); 55 }; 56 57 58 GType gimp_histogram_view_get_type (void) G_GNUC_CONST; 59 60 GtkWidget * gimp_histogram_view_new (gboolean range); 61 62 void gimp_histogram_view_set_histogram (GimpHistogramView *view, 63 GimpHistogram *histogram); 64 GimpHistogram * gimp_histogram_view_get_histogram (GimpHistogramView *view); 65 66 void gimp_histogram_view_set_background (GimpHistogramView *view, 67 GimpHistogram *histogram); 68 GimpHistogram * gimp_histogram_view_get_background (GimpHistogramView *view); 69 70 void gimp_histogram_view_set_channel (GimpHistogramView *view, 71 GimpHistogramChannel channel); 72 GimpHistogramChannel 73 gimp_histogram_view_get_channel (GimpHistogramView *view); 74 75 void gimp_histogram_view_set_scale (GimpHistogramView *view, 76 GimpHistogramScale scale); 77 GimpHistogramScale 78 gimp_histogram_view_get_scale (GimpHistogramView *view); 79 80 void gimp_histogram_view_set_range (GimpHistogramView *view, 81 gint start, 82 gint end); 83 void gimp_histogram_view_get_range (GimpHistogramView *view, 84 gint *start, 85 gint *end); 86 87 88 #endif /* __GIMP_HISTOGRAM_VIEW_H__ */ 89