Use util_clip_triangle() in pan_item_tri_new()

[geeqie.git] / src / histogram.h

diff --git a/src/histogram.h b/src/histogram.h
index 1d69978..6616737 100644 (file)
--- a/src/histogram.h
+++ b/src/histogram.h
@@ -1,25 +1,55 @@
 /*
- * Geeqie
+ * 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();
@@ -28,8 +58,18 @@ gint histogram_set_channel(Histogram *histogram, gint chan);
 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: */