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Open Source Computer Vision Library
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108 lines
3.9 KiB
108 lines
3.9 KiB
/* |
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* The copyright in this software is being made available under the 2-clauses |
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* BSD License, included below. This software may be subject to other third |
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* party and contributor rights, including patent rights, and no such rights |
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* are granted under this license. |
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* |
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* Copyright (c) 2005, Herve Drolon, FreeImage Team |
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* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR |
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* Copyright (c) 2012, CS Systemes d'Information, France |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef OPJ_EVENT_H |
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#define OPJ_EVENT_H |
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/** |
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@file event.h |
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@brief Implementation of a event callback system |
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The functions in EVENT.C have for goal to send output messages (errors, warnings, debug) to the user. |
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*/ |
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/** |
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Message handler object |
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used for |
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<ul> |
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<li>Error messages |
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<li>Warning messages |
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<li>Debugging messages |
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</ul> |
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*/ |
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typedef struct opj_event_mgr { |
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/** Data to call the event manager upon */ |
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void * m_error_data; |
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/** Data to call the event manager upon */ |
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void * m_warning_data; |
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/** Data to call the event manager upon */ |
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void * m_info_data; |
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/** Error message callback if available, NULL otherwise */ |
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opj_msg_callback error_handler; |
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/** Warning message callback if available, NULL otherwise */ |
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opj_msg_callback warning_handler; |
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/** Debug message callback if available, NULL otherwise */ |
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opj_msg_callback info_handler; |
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} opj_event_mgr_t; |
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#define EVT_ERROR 1 /**< Error event type */ |
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#define EVT_WARNING 2 /**< Warning event type */ |
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#define EVT_INFO 4 /**< Debug event type */ |
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/** @defgroup EVENT EVENT - Implementation of a event callback system */ |
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/*@{*/ |
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/** @name Exported functions (see also openjpeg.h) */ |
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/*@{*/ |
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/* ----------------------------------------------------------------------- */ |
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/* ----------------------------------------------------------------------- */ |
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/** |
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* Write formatted data to a string and send the string to a user callback. |
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* |
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* @param event_mgr Event handler |
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* @param event_type Event type or callback to use to send the message |
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* @param fmt Format-control string (plus optional arguments) |
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* |
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* @return Returns true if successful, returns false otherwise |
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*/ |
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OPJ_BOOL opj_event_msg(opj_event_mgr_t* event_mgr, OPJ_INT32 event_type, |
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const char *fmt, ...); |
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/* ----------------------------------------------------------------------- */ |
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/** |
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* Set the event manager with the default callback function for the 3 levels. |
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*/ |
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void opj_set_default_event_handler(opj_event_mgr_t * p_manager); |
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/* |
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#ifdef __GNUC__ |
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#pragma GCC poison printf fprintf |
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#endif |
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*/ |
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/*@}*/ |
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/*@}*/ |
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#endif /* OPJ_EVENT_H */
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