2 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
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3 * All rights reserved.
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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24 * POSSIBILITY OF SUCH DAMAGE.
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30 @brief Implementation of a event callback system
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32 The functions in EVENT.C have for goal to send output messages (errors, warnings, debug) to the user.
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35 #define EVT_ERROR 1 /**< Error event type */
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36 #define EVT_WARNING 2 /**< Warning event type */
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37 #define EVT_INFO 4 /**< Debug event type */
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39 /** @defgroup EVENT EVENT - Implementation of a event callback system */
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42 /** @name Exported functions (see also openjpeg.h) */
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44 /* ----------------------------------------------------------------------- */
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46 Write formatted data to a string and send the string to a user callback.
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47 @param cinfo Codec context info
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48 @param event_type Event type or callback to use to send the message
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49 @param fmt Format-control string (plus optionnal arguments)
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50 @return Returns true if successful, returns false otherwise
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52 bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...);
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53 /* ----------------------------------------------------------------------- */
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58 #endif /* __EVENT_H */
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