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