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authorAntonin Descampe <antonin@gmail.com>2005-12-02 13:34:15 +0000
committerAntonin Descampe <antonin@gmail.com>2005-12-02 13:34:15 +0000
commitf61cda9b7d83e0202cbaa15bac45d358e9b3652e (patch)
tree2acfa84c798e60d15107f2399a8856be4f5a3806 /libopenjpeg/event.c
parent76016d509bf892b555840a1bfa3b62750c878051 (diff)
openjpeg version 1.0 (previous version still available with tag opj0-97)
Diffstat (limited to 'libopenjpeg/event.c')
-rw-r--r--libopenjpeg/event.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/libopenjpeg/event.c b/libopenjpeg/event.c
new file mode 100644
index 00000000..9b87f734
--- /dev/null
+++ b/libopenjpeg/event.c
@@ -0,0 +1,148 @@
+
+/*
+ * 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"
+
+opj_event_mgr_t* 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 opg_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;
+ 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' */
+ for (i = 0, j = 0; i < str_length; ++i) {
+ if (fmt[i] == '%') {
+ if (i + 1 < str_length) {
+ switch(tolower(fmt[i + 1])) {
+ case '%' :
+ message[j++] = '%';
+ break;
+ case 'o' : /* octal numbers */
+ {
+ char tmp[16];
+ _itoa(va_arg(arg, int), tmp, 8);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 'i' : /* decimal numbers */
+ case 'd' :
+ {
+ char tmp[16];
+ _itoa(va_arg(arg, int), tmp, 10);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 'x' : /* hexadecimal numbers */
+ {
+ char tmp[16];
+ _itoa(va_arg(arg, int), tmp, 16);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 's' : /* strings */
+ {
+ char *tmp = va_arg(arg, char*);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 'f' : /* floats */
+ {
+ char tmp[16];
+ double value = va_arg(arg, double);
+ sprintf(tmp, "%f", value);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ };
+ } else {
+ message[j++] = fmt[i];
+ }
+ } else {
+ message[j++] = fmt[i];
+ };
+ }
+ /* deinitialize the optional parameter list */
+ va_end(arg);
+
+ /* output the message to the user program */
+ msg_handler(message, cinfo->client_data);
+ }
+
+ return true;
+}
+