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News Overview Download Order F.A.Q. More info Support Links Welcome QuickStart ActiveX Control C++ Wrapper J2K_Image open easyDecode selectTiles getMetaData decode close J2K_Frames open getFrames getFrame operators close API Reference General getVersion getLastError getErrorStr getLastErrorStr Unlock Open / Close Open Close Info GetInfo GetInfoEx GetResolutions GetResDimensions GetMetaData Decoding EasyDecode SelectTiles Decode Cancel Debug •StartLogging StopLogging |
J2K_StartLogging This function creates a log-file and activates logging of the J2K-Codec debug messages. int J2K_StartLogging(int level, int append); Log-file will typically contain lines like this: 24.02 19:14:37.406 | 16E8 | API call: J2K_Decode() Here, "24.02" is February 24-th, "19:14:37.406" is the current time (hour:min:sec.millisec), 16E8 - Thread ID (hex). After that goes various debug information. Parameters level Logging level. Can be 0 (J2K_LOG_NORMAL) or 1 (J2K_LOG_DETAILED or J2K_LOG_ALL). append Flag to signal that the logging session must be appended to the existing log-file (0 - do not append, 1 - append).
Notes 1. Log-file name is 'j2k-codec.log'. 2. If the log is already open the function will only change logging level and return with error. 3. The performance will degrade significantly if the logging is on. Return value Returns 0 if there was no error. Example
J2K_StartLogging(J2K_LOG_DETAILED, J2K_LOG_APPEND); J2K_StopLogging() |
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