/*
- * Geeqie
- * Copyright (C) 2008 The Geeqie Team
+ * Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: Vladimir Nadvornik
- * based on a patch by Uwe Ohse
*
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef HISTOGRAM_H
#define HISTOGRAM_H
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <glib.h>
+
+#include "typedefs.h"
+
+struct FileData;
+struct HistMap;
+
/* Note: The order is important */
#define HCHAN_R 0
#define HCHAN_G 1
#define HCHAN_B 2
-#define HCHAN_RGB 3
-#define HCHAN_VAL 4
-#define HCHAN_MAX 5
-#define HCHAN_COUNT (HCHAN_MAX+1)
+#define HCHAN_MAX 3
+#define HCHAN_RGB 4
+#define HCHAN_COUNT 5
+#define HCHAN_DEFAULT HCHAN_RGB
+
+struct Histogram {
+ gint histogram_channel; /**< drawing mode for histogram */
+ gint histogram_mode; /**< logarithmical or not */
+ guint vgrid; /**< number of vertical divisions, 0 for none */
+ guint hgrid; /**< number of horizontal divisions, 0 for none */
+ struct {
+ int R; /**< red */
+ int G; /**< green */
+ int B; /**< blue */
+ int A; /**< alpha */
+ } grid_color; /**< grid color */
+};
Histogram *histogram_new();
gint histogram_get_channel(Histogram *histogram);
gint histogram_set_mode(Histogram *histogram, gint mode);
gint histogram_get_mode(Histogram *histogram);
+gint histogram_toggle_channel(Histogram *histogram);
+gint histogram_toggle_mode(Histogram *histogram);
const gchar *histogram_label(Histogram *histogram);
-gulong histogram_read(Histogram *histogram, GdkPixbuf *imgpixbuf);
-gint histogram_draw(Histogram *histogram, GdkPixbuf *pixbuf, gint x, gint y, gint width, gint height);
+
+void histmap_free(HistMap *histmap);
+
+const HistMap *histmap_get(FileData *fd);
+gboolean histmap_start_idle(FileData *fd);
+
+gboolean histogram_draw(Histogram *histogram, const HistMap *histmap, GdkPixbuf *pixbuf, gint x, gint y, gint width, gint height);
+
+void histogram_notify_cb(FileData *fd, NotifyType type, gpointer data);
#endif /* HISTOGRAM_H */
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */