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Add GS1 support to Code 16k

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This commit is contained in:
hooper114 2009-01-13 17:49:00 +00:00
parent 64731a4ddd
commit 700c47d9d0
2 changed files with 39 additions and 12 deletions
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28
backend/code16k.c
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@ -125,10 +125,13 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
float glyph_count;
int errornum, first_sum, second_sum;
int input_length;
int gs1;
errornum = 0;
input_length = ustrlen(source);
if(symbol->input_mode == GS1_MODE) { gs1 = 1; } else { gs1 = 0; }
if(input_length > 157) {
strcpy(symbol->errtxt, "Input too long [231]");
return ERROR_TOO_LONG;
@ -171,6 +174,7 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
indexchaine = 0;
mode = parunmodd(source[indexchaine], symbol->nullchar);
if((gs1) && (source[indexchaine] == '[')) { mode = ABORC; } /* FNC1 */
for(i = 0; i < 160; i++) {
list[0][i] = 0;
@ -182,6 +186,7 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
list[0][indexliste]++;
indexchaine++;
mode = parunmodd(source[indexchaine], symbol->nullchar);
if((gs1) && (source[indexchaine] == '[')) { mode = ABORC; } /* FNC1 */
}
indexliste++;
} while (indexchaine < input_length);
@ -223,6 +228,21 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
}
}
/* We have a problem with FNC1 in Code Set C to resolve */
for(i = 0; i < read; i++) {
if((set[i] == 'C') && (source[i] == '[')) {
int c_count;
c_count = 0;
for(j = 0; j < i; j++) {
if(set[j] == 'C') { c_count++; } else { c_count = 0; }
}
if((c_count % 2) == 1) {
set[i - 1] = 'B';
}
}
}
/* Make sure the data will fit in the symbol */
last_set = ' ';
last_fset = ' ';
@ -264,7 +284,7 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
}
}
if(set[i] == 'C') {
if((set[i] == 'C') && (!((gs1) && (source[i] == '[')))) {
glyph_count = glyph_count + 0.5;
} else {
glyph_count = glyph_count + 1.0;
@ -389,6 +409,7 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
bar_characters++;
}
if(!((gs1) && (source[read] == '['))) {
switch(set[read])
{ /* Encode data characters */
case 'A': c16k_set_a(source[read], values, &bar_characters, symbol->nullchar);
@ -401,6 +422,11 @@ int code16k(struct zint_symbol *symbol, unsigned char source[])
read += 2;
break;
}
} else {
values[bar_characters] = 102;
bar_characters++;
read++;
}
} while (read < ustrlen(source));
pads_needed = 5 - ((bar_characters + 2) % 5);

1
backend/library.c
View file

@ -200,6 +200,7 @@ int gs1_compliant(int symbology)
case BARCODE_RSS14STACK_CC:
case BARCODE_RSS14_OMNI_CC:
case BARCODE_RSS_EXPSTACK_CC:
case BARCODE_CODE16K:
result = 1;
break;
}