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Add GS1 support to Code 49

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This commit is contained in:
hooper114 2009-07-09 08:28:00 +00:00
parent aa1c9afc66
commit 063ac4ce4f
2 changed files with 16 additions and 5 deletions
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13
backend/code49.c
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@ -25,8 +25,8 @@
#include "common.h"
#include "code49.h"
#define INSET "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%!&"
/* "!" represents Shift 1 and "&" represents Shift 2 */
#define INSET "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%!&*"
/* "!" represents Shift 1 and "&" represents Shift 2, "*" represents FNC1 */
int code_49(struct zint_symbol *symbol, unsigned char source[])
{
@ -37,11 +37,13 @@ int code_49(struct zint_symbol *symbol, unsigned char source[])
int w_grid[8][4]; /* Refets to table 2 */
int pad_count = 0;
char pattern[40];
int gs1;
if(ustrlen(source) > 81) {
strcpy(symbol->errtxt, "Input too long");
return ERROR_TOO_LONG;
}
if(symbol->input_mode == GS1_MODE) { gs1 = 1; } else { gs1 = 0; }
strcpy(intermediate, "");
for(i = 0; i < ustrlen(source); i++) {
@ -49,12 +51,19 @@ int code_49(struct zint_symbol *symbol, unsigned char source[])
strcpy(symbol->errtxt, "Invalid characters in input data");
return ERROR_INVALID_DATA;
}
if(gs1 && (i = 0)) {
concat(intermediate, "*"); /* FNC1 */
}
if(source[i] == symbol->nullchar) {
concat(intermediate, c49_table7[0]);
} else {
if(gs1 && (source[i] == '[')) {
concat(intermediate, "*"); /* FNC1 */
} else {
concat(intermediate, c49_table7[source[i]]);
}
}
}
codeword_count = 0;
i = 0;

2
backend/library.c
View File

@ -376,6 +376,8 @@ int gs1_compliant(int symbology)
case BARCODE_AZTEC:
case BARCODE_DATAMATRIX:
case BARCODE_CODABLOCKF:
case BARCODE_CODEONE:
case BARCODE_CODE49:
result = 1;
break;
}