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Diffstat (limited to 'Source/LibOpenJPEG/event.c')
| -rw-r--r-- | Source/LibOpenJPEG/event.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/Source/LibOpenJPEG/event.c b/Source/LibOpenJPEG/event.c new file mode 100644 index 0000000..291ff58 --- /dev/null +++ b/Source/LibOpenJPEG/event.c @@ -0,0 +1,121 @@ +/* + * 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 "opj_includes.h" + +/* ========================================================== + Utility functions + ==========================================================*/ + +#if !defined(_MSC_VER) && !defined(__MINGW32__) +static char* +i2a(unsigned i, char *a, unsigned r) { + if (i/r > 0) a = i2a(i/r,a,r); + *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r]; + return a+1; +} + +/** + Transforms integer i into an ascii string and stores the result in a; + string is encoded in the base indicated by r. + @param i Number to be converted + @param a String result + @param r Base of value; must be in the range 2 - 36 + @return Returns a +*/ +static char * +_itoa(int i, char *a, int r) { + r = ((r < 2) || (r > 36)) ? 10 : r; + if(i < 0) { + *a = '-'; + *i2a(-i, a+1, r) = 0; + } + else *i2a(i, a, r) = 0; + return a; +} + +#endif /* !WIN32 */ + +/* ----------------------------------------------------------------------- */ + +opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context) { + if(cinfo) { + opj_event_mgr_t *previous = cinfo->event_mgr; + cinfo->event_mgr = event_mgr; + cinfo->client_data = context; + return previous; + } + + return NULL; +} + +bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...) { +#define MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */ + opj_msg_callback msg_handler = NULL; + + opj_event_mgr_t *event_mgr = cinfo->event_mgr; + if(event_mgr != NULL) { + switch(event_type) { + case EVT_ERROR: + msg_handler = event_mgr->error_handler; + break; + case EVT_WARNING: + msg_handler = event_mgr->warning_handler; + break; + case EVT_INFO: + msg_handler = event_mgr->info_handler; + break; + default: + break; + } + if(msg_handler == NULL) { + return false; + } + } else { + return false; + } + + if ((fmt != NULL) && (event_mgr != NULL)) { + va_list arg; + int str_length/*, i, j*/; /* UniPG */ + 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, cinfo->client_data); + } + + return true; +} + |