WIP: begin to test opj_decode_tile_data

[openjpeg.git] / libopenjpeg / event.c

diff --git a/libopenjpeg/event.c b/libopenjpeg/event.c
index 0dc22f125499182ee54e1c84728c3f5838ac2d21..77cec8931b0addeb51adc53ca7f48569ccb91595 100644 (file)
--- a/libopenjpeg/event.c
+++ b/libopenjpeg/event.c
@@ -120,3 +120,48 @@ opj_bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ..
        return OPJ_TRUE;
 }
 
+opj_bool opj_event_msg_v2(opj_event_mgr_t* event_mgr, 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;
+
+       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 OPJ_FALSE;
+               }
+       } else {
+               return OPJ_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, event_mgr->client_data);
+       }
+
+       return OPJ_TRUE;
+}