1 files changed, 69 insertions, 0 deletions
diff --git a/include/im_counter.h b/include/im_counter.h
new file mode 100644
index 0000000..82714f5
--- /dev/null
+++ b/include/im_counter.h
@@ -0,0 +1,69 @@
+/** \file
+ * \brief Processing Counter
+ *
+ * See Copyright Notice in im_lib.h
+ */
+
+#ifndef __IM_COUNTER_H
+#define __IM_COUNTER_H
+
+#if	defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/** \defgroup counter Counter 
+ * \par
+ * Used to notify the application that a step in the loading, saving or processing operation has been performed.
+ * \par
+ * See \ref im_counter.h
+ * \ingroup util */
+
+/** Counter callback, informs the progress of the operation to the client. \n
+ * Text contains a constant string that is NULL during normal counting, a title in the begining of a sequence 
+ * and a message in the begining of a count.
+ * Counter id identifies diferrent counters. \n
+ * Progress in a count reports a value from 0 to 1000. If -1 indicates the start of a sequence of operations, 1001 ends the sequence. \n
+ * If returns 0 the client should abort the operation. \n
+ * If the counter is aborted, the callback will be called one last time at 1001.
+ * \ingroup counter */
+typedef int (*imCounterCallback)(int counter, void* user_data, const char* text, int progress);
+
+/** Changes the counter callback. Returns old callback. \n
+ * User data is changed only if not NULL.
+ * \ingroup counter */
+imCounterCallback imCounterSetCallback(void* user_data, imCounterCallback counter_func);
+
+/** Begins a new count, or a partial-count in a sequence. \n
+ * Calls the callback with "-1" and text=title, if it is at the top level. \n     
+ * This is to be used by the operations. Returns a counter Id.
+ * \ingroup counter */
+int imCounterBegin(const char* title);
+
+/** Ends a count, or a partial-count in a sequence. \n
+ * Calls the callback with "1001", text=null, and releases the counter if it is at top level count. \n
+ * \ingroup counter */
+void imCounterEnd(int counter);
+
+/** Increments a count. Must set the total first. \n
+ * Calls the callback, text=message if it is the first increment for the count. \n
+ * Returns 0 if the callback aborted, 1 if returns normally.
+ * \ingroup counter */
+int imCounterInc(int counter);
+
+/** Set a specific count. Must set the total first. \n
+ * Calls the callback, text=message if it is the first increment for the count. \n
+ * Returns 0 if the callback aborted, 1 if returns normally.
+ * \ingroup counter */
+int imCounterIncTo(int counter, int count);
+
+/** Sets the total increments of a count.
+ * \ingroup counter */
+void imCounterTotal(int counter, int total, const char* message);
+
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif