3 * Copyright (c) 2005, Herv� Drolon, FreeImage Team
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33 @brief Implementation of a event callback system
35 The functions in EVENT.C have for goal to send output messages (errors, warnings, debug) to the user.
38 #define EVT_ERROR 1 /**< Error event type */
39 #define EVT_WARNING 2 /**< Warning event type */
40 #define EVT_INFO 4 /**< Debug event type */
42 /** @defgroup EVENT EVENT - Implementation of a event callback system */
45 /** @name Exported functions (see also openjpeg.h) */
47 /* ----------------------------------------------------------------------- */
49 Write formatted data to a string and send the string to a user callback.
50 @param cinfo Codec context info
51 @param event_type Event type or callback to use to send the message
52 @param fmt Format-control string (plus optionnal arguments)
53 @return Returns true if successful, returns false otherwise
55 bool opg_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...);
56 /* ----------------------------------------------------------------------- */
61 #endif /* __EVENT_H */