The functions in EVENT.C have for goal to send output messages (errors, warnings, debug) to the user.
*/
+/**
+Message handler object
+used for
+<ul>
+<li>Error messages
+<li>Warning messages
+<li>Debugging messages
+</ul>
+*/
+//typedef struct opj_event_mgr
+//{
+// /** Data to call the event manager upon */
+// void * m_error_data;
+// /** Data to call the event manager upon */
+// void * m_warning_data;
+// /** Data to call the event manager upon */
+// void * m_info_data;
+// /** Error message callback if available, NULL otherwise */
+// opj_msg_callback error_handler;
+// /** Warning message callback if available, NULL otherwise */
+// opj_msg_callback warning_handler;
+// /** Debug message callback if available, NULL otherwise */
+// opj_msg_callback info_handler;
+//} opj_event_mgr_t;
#define EVT_ERROR 1 /**< Error event type */
#define EVT_WARNING 2 /**< Warning event type */
@param event_type Event type or callback to use to send the message
@param fmt Format-control string (plus optional arguments)
@return Returns true if successful, returns false otherwise
+* FIXME Change by its v2 version this function after ended the merge
*/
opj_bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...);
+/* ----------------------------------------------------------------------- */
+/**
+ * Write formatted data to a string and send the string to a user callback.
+ *
+ * @param event_mgr Event handler
+ * @param event_type Event type or callback to use to send the message
+ * @param fmt Format-control string (plus optional arguments)
+ *
+ * @return Returns true if successful, returns false otherwise
+ */
opj_bool opj_event_msg_v2(opj_event_mgr_t* event_mgr, int event_type, const char *fmt, ...);
/* ----------------------------------------------------------------------- */
+
+/**
+ * Set the event manager with the default callback function for the 3 levels.
+ */
+void opj_set_default_event_handler(opj_event_mgr_t * p_manager);
+
/*@}*/
/*@}*/