1 files changed, 54 insertions, 0 deletions
diff --git a/zbar/misc.h b/zbar/misc.h
new file mode 100644
index 0000000..d6e7d96
--- /dev/null
+++ b/zbar/misc.h
@@ -0,0 +1,54 @@
+/*------------------------------------------------------------------------
+ *  Copyright 2012 (c) Jarek Czekalski <jarekczek@poczta.onet.pl>
+ *
+ *  This file is part of the ZBar Bar Code Reader.
+ *
+ *  The ZBar Bar Code Reader is free software; you can redistribute it
+ *  and/or modify it under the terms of the GNU Lesser Public License as
+ *  published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  The ZBar Bar Code Reader 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 Lesser Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser Public License
+ *  along with the ZBar Bar Code Reader; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ *  Boston, MA  02110-1301  USA
+ *
+ *  http://sourceforge.net/projects/zbar
+ *------------------------------------------------------------------------*/
+#ifndef _MISC_H_
+#define _MISC_H_
+
+struct resolution_s {
+    long cx;
+    long cy;
+};
+typedef struct resolution_s resolution_t;
+
+struct resolution_list_s {
+    resolution_t *resolutions;
+    long cnt;
+};
+typedef struct resolution_list_s resolution_list_t;
+
+void resolution_list_init(resolution_list_t *list);
+void resolution_list_cleanup(resolution_list_t *list);
+void resolution_list_add(resolution_list_t *list, resolution_t *resolution);
+/// Fill <code>resolution</code> with the closest resolution found in
+/// <code>list</code>.
+/** If <code>list</code> is empty,
+  * the <code>resolution</code> is unchanged.
+  * If <code>resolution</code> is empty,
+  * the biggest resolution is chosen. */
+void get_closest_resolution(resolution_t *resolution, resolution_list_t *list);
+
+/// Returns 1 if the struct is null, otherwise 0
+int is_struct_null_fun(const void *pdata, const int len);
+/// Returns 1 if the struct is null, otherwise 0
+#define is_struct_null(pdata) is_struct_null_fun(pdata, sizeof(*pdata))
+
+#endif