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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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_HISTOGRAM_VIEW_H__
+#define __GIMP_HISTOGRAM_VIEW_H__
+
+
+#define GIMP_TYPE_HISTOGRAM_VIEW (gimp_histogram_view_get_type ())
+#define GIMP_HISTOGRAM_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_HISTOGRAM_VIEW, GimpHistogramView))
+#define GIMP_HISTOGRAM_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_HISTOGRAM_VIEW, GimpHistogramViewClass))
+#define GIMP_IS_HISTOGRAM_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_HISTOGRAM_VIEW))
+#define GIMP_IS_HISTOGRAM_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_HISTOGRAM_VIEW))
+#define GIMP_HISTOGRAM_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_HISTOGRAM_VIEW, GimpHistogramViewClass))
+
+
+typedef struct _GimpHistogramViewClass GimpHistogramViewClass;
+
+struct _GimpHistogramView
+{
+ GtkDrawingArea parent_instance;
+
+ GimpHistogram *histogram;
+ GimpHistogram *bg_histogram;
+ GimpHistogramChannel channel;
+ GimpHistogramScale scale;
+ gint n_bins;
+ gint start;
+ gint end;
+
+ gint border_width;
+ gint subdivisions;
+};
+
+struct _GimpHistogramViewClass
+{
+ GtkDrawingAreaClass parent_class;
+
+ void (* range_changed) (GimpHistogramView *view,
+ gint start,
+ gint end);
+};
+
+
+GType gimp_histogram_view_get_type (void) G_GNUC_CONST;
+
+GtkWidget * gimp_histogram_view_new (gboolean range);
+
+void gimp_histogram_view_set_histogram (GimpHistogramView *view,
+ GimpHistogram *histogram);
+GimpHistogram * gimp_histogram_view_get_histogram (GimpHistogramView *view);
+
+void gimp_histogram_view_set_background (GimpHistogramView *view,
+ GimpHistogram *histogram);
+GimpHistogram * gimp_histogram_view_get_background (GimpHistogramView *view);
+
+void gimp_histogram_view_set_channel (GimpHistogramView *view,
+ GimpHistogramChannel channel);
+GimpHistogramChannel
+ gimp_histogram_view_get_channel (GimpHistogramView *view);
+
+void gimp_histogram_view_set_scale (GimpHistogramView *view,
+ GimpHistogramScale scale);
+GimpHistogramScale
+ gimp_histogram_view_get_scale (GimpHistogramView *view);
+
+void gimp_histogram_view_set_range (GimpHistogramView *view,
+ gint start,
+ gint end);
+void gimp_histogram_view_get_range (GimpHistogramView *view,
+ gint *start,
+ gint *end);
+
+
+#endif /* __GIMP_HISTOGRAM_VIEW_H__ */