mirror of
https://github.com/zint/zint
synced 2024-11-16 20:57:25 +13:00
242 lines
7.0 KiB
C
242 lines
7.0 KiB
C
/* auspost.c - Handles Australia Post 4-State Barcode */
|
|
|
|
/*
|
|
libzint - the open source barcode library
|
|
Copyright (C) 2008 Robin Stuart <zint@hotmail.co.uk>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#define GDSET "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz #"
|
|
|
|
static char *AusNTable[10] = {"00", "01", "02", "10", "11", "12", "20", "21", "22", "30"};
|
|
|
|
static char *AusCTable[64] = {"222", "300", "301", "302", "310", "311", "312", "320", "321", "322",
|
|
"000", "001", "002", "010", "011", "012", "020", "021", "022", "100", "101", "102", "110",
|
|
"111", "112", "120", "121", "122", "200", "201", "202", "210", "211", "212", "220", "221",
|
|
"023", "030", "031", "032", "033", "103", "113", "123", "130", "131", "132", "133", "203",
|
|
"213", "223", "230", "231", "232", "233", "303", "313", "323", "330", "331", "332", "333",
|
|
"003", "013"};
|
|
|
|
static char *AusBarTable[64] = {"000", "001", "002", "003", "010", "011", "012", "013", "020", "021",
|
|
"022", "023", "030", "031", "032", "033", "100", "101", "102", "103", "110", "111", "112",
|
|
"113", "120", "121", "122", "123", "130", "131", "132", "133", "200", "201", "202", "203",
|
|
"210", "211", "212", "213", "220", "221", "222", "223", "230", "231", "232", "233", "300",
|
|
"301", "302", "303", "310", "311", "312", "313", "320", "321", "322", "323", "330", "331",
|
|
"332", "333"};
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "common.h"
|
|
#include "reedsol.h"
|
|
|
|
void rs_error(char data_pattern[])
|
|
{
|
|
/* Adds Reed-Solomon error correction to auspost */
|
|
|
|
int reader, triple_writer;
|
|
char triple[31], inv_triple[31];
|
|
unsigned char result[5];
|
|
|
|
triple_writer = 0;
|
|
|
|
for(reader = 2; reader < strlen(data_pattern); reader+= 3)
|
|
{
|
|
triple[triple_writer] = 0;
|
|
switch(data_pattern[reader])
|
|
{
|
|
case '1': triple[triple_writer] += 16; break;
|
|
case '2': triple[triple_writer] += 32; break;
|
|
case '3': triple[triple_writer] += 48; break;
|
|
}
|
|
switch(data_pattern[reader + 1])
|
|
{
|
|
case '1': triple[triple_writer] += 4; break;
|
|
case '2': triple[triple_writer] += 8; break;
|
|
case '3': triple[triple_writer] += 12; break;
|
|
}
|
|
switch(data_pattern[reader + 2])
|
|
{
|
|
case '1': triple[triple_writer] += 1; break;
|
|
case '2': triple[triple_writer] += 2; break;
|
|
case '3': triple[triple_writer] += 3; break;
|
|
}
|
|
triple_writer++;
|
|
|
|
}
|
|
|
|
for(reader = 0; reader < triple_writer; reader++)
|
|
{
|
|
inv_triple[reader] = triple[(triple_writer - 1) - reader];
|
|
}
|
|
|
|
rs_init_gf(0x43);
|
|
rs_init_code(4, 1);
|
|
rs_encode(triple_writer, (unsigned char*) inv_triple, result);
|
|
|
|
for(reader = 4; reader > 0; reader--)
|
|
{
|
|
concat(data_pattern, AusBarTable[(int)result[reader - 1]]);
|
|
}
|
|
rs_free();
|
|
}
|
|
|
|
int australia_post(struct zint_symbol *symbol, unsigned char source[])
|
|
{
|
|
/* Handles Australia Posts's 4 State Codes */
|
|
/* Customer Standard Barcode, Barcode 2 or Barcode 3 system determined automatically
|
|
(i.e. the FCC doesn't need to be specified by the user) dependent
|
|
on the length of the input string */
|
|
|
|
/* The contents of data_pattern conform to the following standard:
|
|
0 = Tracker, Ascender and Descender
|
|
1 = Tracker and Ascender
|
|
2 = Tracker and Descender
|
|
3 = Tracker only */
|
|
|
|
char data_pattern[200];
|
|
char fcc[3], dpid[10];
|
|
unsigned int loopey, reader;
|
|
int writer;
|
|
strcpy (data_pattern, "");
|
|
int errno;
|
|
|
|
errno = 0;
|
|
|
|
/* Do all of the length checking first to avoid stack smashing */
|
|
if(symbol->symbology == BARCODE_AUSPOST) {
|
|
/* Format control code (FCC) */
|
|
switch(ustrlen(source))
|
|
{
|
|
case 8: strcpy(fcc, "11"); break;
|
|
case 13: strcpy(fcc, "59"); break;
|
|
case 16: strcpy(fcc, "59"); errno = is_sane(NESET, source); break;
|
|
case 18: strcpy(fcc, "62"); break;
|
|
case 23: strcpy(fcc, "62"); errno = is_sane(NESET, source); break;
|
|
default: strcpy(symbol->errtxt, "Auspost input is wrong length [631]");
|
|
return ERROR_TOO_LONG;
|
|
break;
|
|
}
|
|
if(errno == ERROR_INVALID_DATA) {
|
|
strcpy(symbol->errtxt, "Invalid characters in data [632]");
|
|
return errno;
|
|
}
|
|
} else {
|
|
if(ustrlen(source) != 8) {
|
|
strcpy(symbol->errtxt, "Auspost input is wrong length [633]");
|
|
return ERROR_TOO_LONG;
|
|
}
|
|
switch(symbol->symbology) {
|
|
case BARCODE_AUSREPLY: strcpy(fcc, "45"); break;
|
|
case BARCODE_AUSROUTE: strcpy(fcc, "87"); break;
|
|
case BARCODE_AUSREDIRECT: strcpy(fcc, "92"); break;
|
|
}
|
|
}
|
|
|
|
|
|
errno = is_sane(GDSET, source);
|
|
if(errno == ERROR_INVALID_DATA) {
|
|
strcpy(symbol->errtxt, "Invalid characters in data [634]");
|
|
return errno;
|
|
}
|
|
|
|
/* Verifiy that the first 8 characters are numbers */
|
|
for(loopey = 0; loopey < 8; loopey++) {
|
|
dpid[loopey] = source[loopey];
|
|
}
|
|
dpid[8] = '\0';
|
|
errno = is_sane(NESET, (unsigned char*)dpid);
|
|
if(errno == ERROR_INVALID_DATA) {
|
|
strcpy(symbol->errtxt, "Invalid characters in DPID [635]");
|
|
return errno;
|
|
}
|
|
|
|
/* Start character */
|
|
concat(data_pattern, "13");
|
|
|
|
/* Encode the FCC */
|
|
for(reader = 0; reader < 2; reader++)
|
|
{
|
|
lookup(NESET, AusNTable, fcc[reader], data_pattern);
|
|
}
|
|
|
|
/* printf("AUSPOST FCC: %s ", fcc); */
|
|
|
|
/* Delivery Point Identifier (DPID) */
|
|
for(reader = 0; reader < 8; reader++)
|
|
{
|
|
lookup(NESET, AusNTable, dpid[reader], data_pattern);
|
|
}
|
|
|
|
/* Customer Information */
|
|
if(ustrlen(source) > 8)
|
|
{
|
|
if((ustrlen(source) == 13) || (ustrlen(source) == 18)) {
|
|
for(reader = 8; reader < ustrlen(source); reader++) {
|
|
lookup(GDSET, AusCTable, source[reader], data_pattern);
|
|
}
|
|
}
|
|
if((ustrlen(source) == 16) || (ustrlen(source) == 23)) {
|
|
for(reader = 8; reader < ustrlen(source); reader++) {
|
|
lookup(NESET, AusNTable, source[reader], data_pattern);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Filler bar */
|
|
if(strlen(data_pattern) == 22) {
|
|
concat(data_pattern, "3");
|
|
}
|
|
if(strlen(data_pattern) == 37) {
|
|
concat(data_pattern, "3");
|
|
}
|
|
if(strlen(data_pattern) == 52) {
|
|
concat(data_pattern, "3");
|
|
}
|
|
|
|
/* Reed Solomon error correction */
|
|
rs_error(data_pattern);
|
|
|
|
/* Stop character */
|
|
concat(data_pattern, "13");
|
|
|
|
/* Turn the symbol into a bar pattern ready for plotting */
|
|
writer = 0;
|
|
for(loopey = 0; loopey < strlen(data_pattern); loopey++)
|
|
{
|
|
if((data_pattern[loopey] == '1') || (data_pattern[loopey] == '0'))
|
|
{
|
|
symbol->encoded_data[0][writer] = '1';
|
|
}
|
|
symbol->encoded_data[1][writer] = '1';
|
|
if((data_pattern[loopey] == '2') || (data_pattern[loopey] == '0'))
|
|
{
|
|
symbol->encoded_data[2][writer] = '1';
|
|
}
|
|
writer += 2;
|
|
}
|
|
|
|
symbol->row_height[0] = 4;
|
|
symbol->row_height[1] = 2;
|
|
symbol->row_height[2] = 4;
|
|
|
|
symbol->rows = 3;
|
|
symbol->width = writer - 1;
|
|
|
|
return errno;
|
|
}
|
|
|