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Add leading zeroes to composite EAN linear component

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This commit is contained in:
hooper114 2009-07-07 21:47:57 +00:00
parent ac6a92674e
commit d3e2fe9b6b
1 changed files with 65 additions and 1 deletions
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64
backend/composite.c
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@ -1692,6 +1692,66 @@ int cc_binary_string(struct zint_symbol *symbol, const char source[], char binar
return 0;
}
void add_leading_zeroes(struct zint_symbol *symbol)
{
char source[100];
char first_part[20], second_part[20], zfirst_part[20], zsecond_part[20];
int with_addon = 0;
int first_len = 0, second_len = 0, zfirst_len = 0, zsecond_len = 0, i;
strcpy(source, symbol->primary);
for(i = 0; i < strlen(source); i++) {
if(source[i] == '+') {
with_addon = 1;
} else {
if(with_addon == 0) {
first_len++;
} else {
second_len++;
}
}
}
strcpy(first_part, "");
strcpy(second_part, "");
strcpy(zfirst_part, "");
strcpy(zsecond_part, "");
/* Split input into two strings */
for(i = 0; i < first_len; i++) {
first_part[i] = source[i];
first_part[i + 1] = '\0';
}
for(i = 0; i < second_len; i++) {
second_part[i] = source[i + first_len + 1];
second_part[i + 1] = '\0';
}
/* Calculate target lengths */
if(first_len <= 12) { zfirst_len = 12; }
if(first_len <= 7) { zfirst_len = 7; }
if(second_len <= 5) { zsecond_len = 5; }
if(second_len <= 2) { zsecond_len = 2; }
if(second_len == 0) { zsecond_len = 0; }
/* Add leading zeroes */
for(i = 0; i < (zfirst_len - first_len); i++) {
concat(zfirst_part, "0");
}
concat(zfirst_part, first_part);
for(i = 0; i < (zsecond_len - second_len); i++) {
concat(zsecond_part, "0");
}
concat(zsecond_part, second_part);
strcpy(symbol->primary, zfirst_part);
if(zsecond_len != 0) {
concat(symbol->primary, "+");
concat(symbol->primary, zsecond_part);
}
}
int composite(struct zint_symbol *symbol, unsigned char source[])
{
int error_number, cc_mode, cc_width, ecc_level;
@ -1714,6 +1774,10 @@ int composite(struct zint_symbol *symbol, unsigned char source[])
return ERROR_INVALID_OPTION;
}
if(symbol->symbology == BARCODE_EANX_CC) {
add_leading_zeroes(symbol);
}
if(ustrlen(source) > 2990) {
strcpy(symbol->errtxt, "2D component input data too long");
return ERROR_TOO_LONG;