2 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
27 #include "opj_includes.h"
29 /* ==========================================================
31 ==========================================================*/
35 i2a(unsigned i, char *a, unsigned r) {
36 if (i/r > 0) a = i2a(i/r,a,r);
37 *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];
42 Transforms integer i into an ascii string and stores the result in a;
43 string is encoded in the base indicated by r.
44 @param i Number to be converted
45 @param a String result
46 @param r Base of value; must be in the range 2 - 36
50 _itoa(int i, char *a, int r) {
51 r = ((r < 2) || (r > 36)) ? 10 : r;
56 else *i2a(i, a, r) = 0;
62 /* ----------------------------------------------------------------------- */
64 opj_event_mgr_t* opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context) {
66 opj_event_mgr_t *previous = cinfo->event_mgr;
67 cinfo->event_mgr = event_mgr;
68 cinfo->client_data = context;
75 bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...) {
76 #define MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
77 opj_msg_callback msg_handler = NULL;
79 opj_event_mgr_t *event_mgr = cinfo->event_mgr;
80 if(event_mgr != NULL) {
83 msg_handler = event_mgr->error_handler;
86 msg_handler = event_mgr->warning_handler;
89 msg_handler = event_mgr->info_handler;
94 if(msg_handler == NULL) {
101 if ((fmt != NULL) && (event_mgr != NULL)) {
103 int str_length, i, j;
104 char message[MSG_SIZE];
105 memset(message, 0, MSG_SIZE);
106 /* initialize the optional parameter list */
108 /* check the length of the format string */
109 str_length = (strlen(fmt) > MSG_SIZE) ? MSG_SIZE : strlen(fmt);
110 /* parse the format string and put the result in 'message' */
111 for (i = 0, j = 0; i < str_length; ++i) {
113 if (i + 1 < str_length) {
114 switch(tolower(fmt[i + 1])) {
118 case 'o' : /* octal numbers */
121 _itoa(va_arg(arg, int), tmp, 8);
122 strcat(message, tmp);
127 case 'i' : /* decimal numbers */
131 _itoa(va_arg(arg, int), tmp, 10);
132 strcat(message, tmp);
137 case 'x' : /* hexadecimal numbers */
140 _itoa(va_arg(arg, int), tmp, 16);
141 strcat(message, tmp);
146 case 's' : /* strings */
148 char *tmp = va_arg(arg, char*);
149 strcat(message, tmp);
154 case 'f' : /* floats */
157 double value = va_arg(arg, double);
158 sprintf(tmp, "%f", value);
159 strcat(message, tmp);
166 message[j++] = fmt[i];
169 message[j++] = fmt[i];
172 /* deinitialize the optional parameter list */
175 /* output the message to the user program */
176 msg_handler(message, cinfo->client_data);