openjpeg/libopenjpeg/event.c

97 lines
3.2 KiB
C

/*
* Copyright (c) 2005, Hervé Drolon, FreeImage Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "event.h"
#include "openjpeg.h"
#include "opj_includes.h"
/* ==========================================================
Utility functions
==========================================================*/
#if !defined(_MSC_VER) && !defined(__MINGW32__)
static OPJ_CHAR*
i2a(OPJ_UINT32 i, OPJ_CHAR *a, OPJ_UINT32 r) {
if (i/r > 0) a = i2a(i/r,a,r);
*a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];
return a+1;
}
#endif
/* ----------------------------------------------------------------------- */
bool opj_event_msg(opj_event_mgr_t * p_event_mgr, OPJ_INT32 event_type, const OPJ_CHAR *fmt, ...) {
#define MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
opj_msg_callback msg_handler = 00;
void * l_data = 00;
if(p_event_mgr != 00) {
switch(event_type) {
case EVT_ERROR:
msg_handler = p_event_mgr->error_handler;
l_data = p_event_mgr->m_error_data;
break;
case EVT_WARNING:
msg_handler = p_event_mgr->warning_handler;
l_data = p_event_mgr->m_warning_data;
break;
case EVT_INFO:
msg_handler = p_event_mgr->info_handler;
l_data = p_event_mgr->m_info_data;
break;
default:
break;
}
if(msg_handler == 00) {
return false;
}
} else {
return false;
}
if ((fmt != 00) && (p_event_mgr != 00)) {
va_list arg;
OPJ_INT32 str_length/*, i, j*/; /* UniPG */
OPJ_CHAR message[MSG_SIZE];
memset(message, 0, MSG_SIZE);
/* initialize the optional parameter list */
va_start(arg, fmt);
/* check the length of the format string */
str_length = (strlen(fmt) > MSG_SIZE) ? MSG_SIZE : strlen(fmt);
/* parse the format string and put the result in 'message' */
vsprintf(message, fmt, arg); /* UniPG */
/* deinitialize the optional parameter list */
va_end(arg);
/* output the message to the user program */
msg_handler(message, l_data);
}
return true;
}