int code_128(struct zint_symbol *symbol, unsigned char source[], int length)
{ /* Handle Code 128 and NVE-18 */
int i, j, k,values[170] = { 0 }, bar_characters, read, total_sum;
int error_number, indexchaine, indexliste, sourcelen, f_state;
char set[170] = { ' ' }, fset[170] = { ' ' }, mode, last_set, current_set = ' ';
float glyph_count;
char dest[1000];
error_number = 0;
strcpy(dest, "");
sourcelen = length;
j = 0;
bar_characters = 0;
f_state = 0;
if(sourcelen > 160) {
/* This only blocks rediculously long input - the actual length of the
resulting barcode depends on the type of data, so this is trapped later */
strcpy(symbol->errtxt, "Input too long");
return ZINT_ERROR_TOO_LONG;
}
/* Detect extended ASCII characters */
for(i = 0; i < sourcelen; i++) {
if(source[i] >= 128)
fset[i] = 'f';
}
fset[i] = '\0';
/* Decide when to latch to extended mode - Annex E note 3 */
j = 0;
for(i = 0; i < sourcelen; i++) {
if(fset[i] == 'f') {
j++;
} else {
j = 0;
}
if(j >= 5) {
for(k = i; k > (i - 5); k--) {
fset[k] = 'F';
}
}
if((j >= 3) && (i == (sourcelen - 1))) {
for(k = i; k > (i - 3); k--) {
fset[k] = 'F';
}
}
}
/* Decide if it is worth reverting to 646 encodation for a few characters as described in 4.3.4.2 (d) */
for(i = 1; i < sourcelen; i++) {
if((fset[i - 1] == 'F') && (fset[i] == ' ')) {
/* Detected a change from 8859-1 to 646 - count how long for */
for(j = 0; (fset[i + j] == ' ') && ((i + j) < sourcelen); j++);
if((j < 5) || ((j < 3) && ((i + j) == (sourcelen - 1)))) {
/* Uses the same figures recommended by Annex E note 3 */
/* Change to shifting back rather than latching back */
for(k = 0; k < j; k++) {
fset[i + k] = 'n';
}
}
}
}
/* Decide on mode using same system as PDF417 and rules of ISO 15417 Annex E */
indexliste = 0;
indexchaine = 0;
mode = parunmodd(source[indexchaine]);
if((symbol->symbology == BARCODE_CODE128B) && (mode == ABORC)) {
mode = AORB;
}
for(i = 0; i < 170; i++) {
list[0][i] = 0;
}
do {
list[1][indexliste] = mode;
while ((list[1][indexliste] == mode) && (indexchaine < sourcelen)) {
list[0][indexliste]++;
indexchaine++;
mode = parunmodd(source[indexchaine]);
if((symbol->symbology == BARCODE_CODE128B) && (mode == ABORC)) {
mode = AORB;
}
}
indexliste++;
} while (indexchaine < sourcelen);
dxsmooth(&indexliste);
/* Resolve odd length LATCHC blocks */
if((list[1][0] == LATCHC) && (list[0][0] & 1)) {
/* Rule 2 */
list[0][1]++;
list[0][0]--;
if(indexliste == 1) {
list[0][1] = 1;
list[1][1] = LATCHB;
indexliste = 2;
}
}
if(indexliste > 1) {
for(i = 1; i < indexliste; i++) {
if((list[1][i] == LATCHC) && (list[0][i] & 1)) {
/* Rule 3b */
list[0][i - 1]++;
list[0][i]--;
}
}
}
/* Put set data into set[] */
read = 0;
for(i = 0; i < indexliste; i++) {
for(j = 0; j < list[0][i]; j++) {
switch(list[1][i]) {
case SHIFTA: set[read] = 'a'; break;
case LATCHA: set[read] = 'A'; break;
case SHIFTB: set[read] = 'b'; break;
case LATCHB: set[read] = 'B'; break;
case LATCHC: set[read] = 'C'; break;
}
read++;
}
}
/* Adjust for strings which start with shift characters - make them latch instead */
if(set[0] == 'a') {
i = 0;
do {
set[i] = 'A';
i++;
} while (set[i] == 'a');
}
if(set[0] == 'b') {
i = 0;
do {
set[i] = 'B';
i++;
} while (set[i] == 'b');
}
/* Now we can calculate how long the barcode is going to be - and stop it from
being too long */
last_set = ' ';
glyph_count = 0.0;
for(i = 0; i < sourcelen; i++) {
if((set[i] == 'a') || (set[i] == 'b')) {
glyph_count = glyph_count + 1.0;
}
if((fset[i] == 'f') || (fset[i] == 'n')) {
glyph_count = glyph_count + 1.0;
}
if(((set[i] == 'A') || (set[i] == 'B')) || (set[i] == 'C')) {
if(set[i] != last_set) {
last_set = set[i];
glyph_count = glyph_count + 1.0;
}
}
if(i == 0) {
if(fset[i] == 'F') {
glyph_count = glyph_count + 2.0;
}
} else {
if((fset[i] == 'F') && (fset[i - 1] != 'F')) {
glyph_count = glyph_count + 2.0;
}
if((fset[i] != 'F') && (fset[i - 1] == 'F')) {
glyph_count = glyph_count + 2.0;
}
}
if(set[i] == 'C') {
glyph_count = glyph_count + 0.5;
} else {
glyph_count = glyph_count + 1.0;
}
}
if(glyph_count > 80.0) {
strcpy(symbol->errtxt, "Input too long");
return ZINT_ERROR_TOO_LONG;
}
/* So now we know what start character to use - we can get on with it! */
if(symbol->output_options & READER_INIT) {
/* Reader Initialisation mode */
switch(set[0]) {
case 'A': /* Start A */
concat(dest, C128Table[103]);
values[0] = 103;
current_set = 'A';
concat(dest, C128Table[96]); /* FNC3 */
values[1] = 96;
bar_characters++;
break;
case 'B': /* Start B */
concat(dest, C128Table[104]);
values[0] = 104;
current_set = 'B';
concat(dest, C128Table[96]); /* FNC3 */
values[1] = 96;
bar_characters++;
break;
case 'C': /* Start C */
concat(dest, C128Table[104]); /* Start B */
values[0] = 105;
concat(dest, C128Table[96]); /* FNC3 */
values[1] = 96;
concat(dest, C128Table[99]); /* Code C */
values[2] = 99;
bar_characters += 2;
current_set = 'C';
break;
}
} else {
/* Normal mode */
switch(set[0]) {
case 'A': /* Start A */
concat(dest, C128Table[103]);
values[0] = 103;
current_set = 'A';
break;
case 'B': /* Start B */
concat(dest, C128Table[104]);
values[0] = 104;
current_set = 'B';
break;
case 'C': /* Start C */
concat(dest, C128Table[105]);
values[0] = 105;
current_set = 'C';
break;
}
}
bar_characters++;
last_set = set[0];
if(fset[0] == 'F') {
switch(current_set) {
case 'A':
concat(dest, C128Table[101]);
concat(dest, C128Table[101]);
values[bar_characters] = 101;
values[bar_characters + 1] = 101;
break;
case 'B':
concat(dest, C128Table[100]);
concat(dest, C128Table[100]);
values[bar_characters] = 100;
values[bar_characters + 1] = 100;
break;
}
bar_characters += 2;
f_state = 1;
}
/* Encode the data */
read = 0;
do {
if((read != 0) && (set[read] != current_set))
{ /* Latch different code set */
switch(set[read])
{
case 'A': concat(dest, C128Table[101]);
values[bar_characters] = 101;
bar_characters++;
current_set = 'A';
break;
case 'B': concat(dest, C128Table[100]);
values[bar_characters] = 100;
bar_characters++;
current_set = 'B';
break;
case 'C': concat(dest, C128Table[99]);
values[bar_characters] = 99;
bar_characters++;
current_set = 'C';
break;
}
}
if(read != 0) {
if((fset[read] == 'F') && (f_state == 0)) {
/* Latch beginning of extended mode */
switch(current_set) {
case 'A':
concat(dest, C128Table[101]);
concat(dest, C128Table[101]);
values[bar_characters] = 101;
values[bar_characters + 1] = 101;
break;
case 'B':
concat(dest, C128Table[100]);
concat(dest, C128Table[100]);
values[bar_characters] = 100;
values[bar_characters + 1] = 100;
break;
}
bar_characters += 2;
f_state = 1;
}
if((fset[read] == ' ') && (f_state == 1)) {
/* Latch end of extended mode */
switch(current_set) {
case 'A':
concat(dest, C128Table[101]);
concat(dest, C128Table[101]);
values[bar_characters] = 101;
values[bar_characters + 1] = 101;
break;
case 'B':
concat(dest, C128Table[100]);
concat(dest, C128Table[100]);
values[bar_characters] = 100;
values[bar_characters + 1] = 100;
break;
}
bar_characters += 2;
f_state = 0;
}
}
if((fset[read] == 'f') || (fset[read] == 'n')) {
/* Shift to or from extended mode */
switch(current_set) {
case 'A':
concat(dest, C128Table[101]); /* FNC 4 */
values[bar_characters] = 101;
break;
case 'B':
concat(dest, C128Table[100]); /* FNC 4 */
values[bar_characters] = 100;
break;
}
bar_characters++;
}
if((set[read] == 'a') || (set[read] == 'b')) {
/* Insert shift character */
concat(dest, C128Table[98]);
values[bar_characters] = 98;
bar_characters++;
}
switch(set[read])
{ /* Encode data characters */
case 'a':
case 'A': c128_set_a(source[read], dest, values, &bar_characters);
read++;
break;
case 'b':
case 'B': c128_set_b(source[read], dest, values, &bar_characters);
read++;
break;
case 'C': c128_set_c(source[read], source[read + 1], dest, values, &bar_characters);
read += 2;
break;
}
} while (read < sourcelen);
/* check digit calculation */
total_sum = 0;
/*for(i = 0; i < bar_characters; i++) {
printf("%d\n", values[i]);
}*/
for(i = 0; i < bar_characters; i++)
{
if(i > 0)
{
values[i] *= i;
}
total_sum += values[i];
}
concat(dest, C128Table[total_sum%103]);
/* Stop character */
concat(dest, C128Table[106]);
expand(symbol, dest);
return error_number;
}
int ean_128(struct zint_symbol *symbol, unsigned char source[], int length)
{ /* Handle EAN-128 (Now known as GS1-128) */
int i, j,values[170], bar_characters, read, total_sum;
int error_number, indexchaine, indexliste;
char set[170], mode, last_set;
float glyph_count;
char dest[1000];
int separator_row, linkage_flag, c_count;
#ifndef _MSC_VER
char reduced[length + 1];
#else
char* reduced = (char*)_alloca(length + 1);
#endif
error_number = 0;
strcpy(dest, "");
linkage_flag = 0;
j = 0;
bar_characters = 0;
separator_row = 0;
memset(values, 0, sizeof(values));
memset(set, ' ', sizeof(set));
if(length > 160) {
/* This only blocks rediculously long input - the actual length of the
resulting barcode depends on the type of data, so this is trapped later */
strcpy(symbol->errtxt, "Input too long");
return ZINT_ERROR_TOO_LONG;
}
for(i = 0; i < length; i++) {
if(source[i] == '\0') {
/* Null characters not allowed! */
strcpy(symbol->errtxt, "NULL character in input data");
return ZINT_ERROR_INVALID_DATA;
}
}
/* if part of a composite symbol make room for the separator pattern */
if(symbol->symbology == BARCODE_EAN128_CC) {
separator_row = symbol->rows;
symbol->row_height[symbol->rows] = 1;
symbol->rows += 1;
}
if(symbol->input_mode != GS1_MODE) {
/* GS1 data has not been checked yet */
error_number = gs1_verify(symbol, source, length, reduced);
if(error_number != 0) { return error_number; }
}
/* Decide on mode using same system as PDF417 and rules of ISO 15417 Annex E */
indexliste = 0;
indexchaine = 0;
mode = parunmodd(reduced[indexchaine]);
if(reduced[indexchaine] == '[') {
mode = ABORC;
}
for(i = 0; i < 170; i++) {
list[0][i] = 0;
}
do {
list[1][indexliste] = mode;
while ((list[1][indexliste] == mode) && (indexchaine < strlen(reduced))) {
list[0][indexliste]++;
indexchaine++;
mode = parunmodd(reduced[indexchaine]);
if(reduced[indexchaine] == '[') { mode = ABORC; }
}
indexliste++;
} while (indexchaine < strlen(reduced));
dxsmooth(&indexliste);
/* Put set data into set[] */
read = 0;
for(i = 0; i < indexliste; i++) {
for(j = 0; j < list[0][i]; j++) {
switch(list[1][i]) {
case SHIFTA: set[read] = 'a'; break;
case LATCHA: set[read] = 'A'; break;
case SHIFTB: set[read] = 'b'; break;
case LATCHB: set[read] = 'B'; break;
case LATCHC: set[read] = 'C'; break;
}
read++;
}
}
/* Watch out for odd-length Mode C blocks */
c_count = 0;
for(i = 0; i < read; i++) {
if(set[i] == 'C') {
if(reduced[i] == '[') {
if(c_count & 1) {
if((i - c_count) != 0) {
set[i - c_count] = 'B';
} else {
set[i - 1] = 'B';
}
}
c_count = 0;
} else {
c_count++;
}
} else {
if(c_count & 1) {
if((i - c_count) != 0) {
set[i - c_count] = 'B';
} else {
set[i - 1] = 'B';
}
}
c_count = 0;
}
}
if(c_count & 1) {
if((i - c_count) != 0) {
set[i - c_count] = 'B';
} else {
set[i - 1] = 'B';
}
}
for(i = 1; i < read - 1; i++) {
if((set[i] == 'C') && ((set[i - 1] == 'B') && (set[i + 1] == 'B'))) {
set[i] = 'B';
}
}
/* for(i = 0; i < read; i++) {
printf("char %c mode %c\n", reduced[i], set[i]);
} */
/* Now we can calculate how long the barcode is going to be - and stop it from
being too long */
last_set = ' ';
glyph_count = 0.0;
for(i = 0; i < strlen(reduced); i++) {
if((set[i] == 'a') || (set[i] == 'b')) {
glyph_count = glyph_count + 1.0;
}
if(((set[i] == 'A') || (set[i] == 'B')) || (set[i] == 'C')) {
if(set[i] != last_set) {
last_set = set[i];
glyph_count = glyph_count + 1.0;
}
}
if((set[i] == 'C') && (reduced[i] != '[')) {
glyph_count = glyph_count + 0.5;
} else {
glyph_count = glyph_count + 1.0;
}
}
if(glyph_count > 80.0) {
strcpy(symbol->errtxt, "Input too long");
return ZINT_ERROR_TOO_LONG;
}
/* So now we know what start character to use - we can get on with it! */
switch(set[0])
{
case 'A': /* Start A */
concat(dest, C128Table[103]);
values[0] = 103;
break;
case 'B': /* Start B */
concat(dest, C128Table[104]);
values[0] = 104;
break;
case 'C': /* Start C */
concat(dest, C128Table[105]);
values[0] = 105;
break;
}
bar_characters++;
concat(dest, C128Table[102]);
values[1] = 102;
bar_characters++;
/* Encode the data */
read = 0;
do {
if((read != 0) && (set[read] != set[read - 1]))
{ /* Latch different code set */
switch(set[read])
{
case 'A': concat(dest, C128Table[101]);
values[bar_characters] = 101;
bar_characters++;
break;
case 'B': concat(dest, C128Table[100]);
values[bar_characters] = 100;
bar_characters++;
break;
case 'C': concat(dest, C128Table[99]);
values[bar_characters] = 99;
bar_characters++;
break;
}
}
if((set[read] == 'a') || (set[read] == 'b')) {
/* Insert shift character */
concat(dest, C128Table[98]);
values[bar_characters] = 98;
bar_characters++;
}
if(reduced[read] != '[') {
switch(set[read])
{ /* Encode data characters */
case 'A':
case 'a':
c128_set_a(reduced[read], dest, values, &bar_characters);
read++;
break;
case 'B':
case 'b':
c128_set_b(reduced[read], dest, values, &bar_characters);
read++;
break;
case 'C':
c128_set_c(reduced[read], reduced[read + 1], dest, values, &bar_characters);
read += 2;
break;
}
} else {
concat(dest, C128Table[102]);
values[bar_characters] = 102;
bar_characters++;
read++;
}
} while (read < strlen(reduced));
/* "...note that the linkage flag is an extra code set character between
the last data character and the Symbol Check Character" (GS1 Specification) */
/* Linkage flags in GS1-128 are determined by ISO/IEC 24723 section 7.4 */
switch(symbol->option_1) {
case 1:
case 2:
/* CC-A or CC-B 2D component */
switch(set[strlen(reduced) - 1]) {
case 'A': linkage_flag = 100; break;
case 'B': linkage_flag = 99; break;
case 'C': linkage_flag = 101; break;
}
break;
case 3:
/* CC-C 2D component */
switch(set[strlen(reduced) - 1]) {
case 'A': linkage_flag = 99; break;
case 'B': linkage_flag = 101; break;
case 'C': linkage_flag = 100; break;
}
break;
}
if(linkage_flag != 0) {
concat(dest, C128Table[linkage_flag]);
values[bar_characters] = linkage_flag;
bar_characters++;
}
/*for(i = 0; i < bar_characters; i++) {
printf("[%d] ", values[i]);
}
printf("\n");*/
/* check digit calculation */
total_sum = 0;
for(i = 0; i < bar_characters; i++)
{
if(i > 0)
{
values[i] *= i;
}
total_sum += values[i];
}
concat(dest, C128Table[total_sum%103]);
values[bar_characters] = total_sum % 103;
bar_characters++;
/* Stop character */
concat(dest, C128Table[106]);
values[bar_characters] = 106;
bar_characters++;
expand(symbol, dest);
/* Add the separator pattern for composite symbols */
if(symbol->symbology == BARCODE_EAN128_CC) {
for(i = 0; i < symbol->width; i++) {
if(!(module_is_set(symbol, separator_row + 1, i))) {
set_module(symbol, separator_row, i);
}
}
}
for(i = 0; i < length; i++) {
if((source[i] != '[') && (source[i] != ']')) {
symbol->text[i] = source[i];
}
if(source[i] == '[') {
symbol->text[i] = '(';
}
if(source[i] == ']') {
symbol->text[i] = ')';
}
}
return error_number;
}
int code16k(struct zint_symbol *symbol, uint8_t source[], int length)
{
char width_pattern[100];
int current_row, rows_needed, flip_flop, looper, first_check, second_check;
int indexliste, indexchaine, pads_needed, f_state;
char set[160] = { ' ' }, fset[160] = { ' ' }, mode, last_set, current_set;
unsigned int i, j, k, m, read, mx_reader, writer;
unsigned int values[160] = { 0 };
unsigned int bar_characters;
float glyph_count;
int errornum, first_sum, second_sum;
int input_length;
int gs1, c_count;
errornum = 0;
strcpy(width_pattern, "");
input_length = length;
if(symbol->input_mode == GS1_MODE) { gs1 = 1; } else { gs1 = 0; }
if(input_length > 157) {
strcpy(symbol->errtxt, "Input too long");
return ZERROR_TOO_LONG;
}
bar_characters = 0;
/* Detect extended ASCII characters */
for(i = 0; i < input_length; i++) {
if(source[i] >=128) {
fset[i] = 'f';
}
}
fset[i] = '\0';
/* Decide when to latch to extended mode */
for(i = 0; i < input_length; i++) {
j = 0;
if(fset[i] == 'f') {
do {
j++;
} while(fset[i + j] == 'f');
if((j >= 5) || ((j >= 3) && ((i + j) == (input_length - 1)))) {
for(k = 0; k <= j; k++) {
fset[i + k] = 'F';
}
}
}
}
/* Decide if it is worth reverting to 646 encodation for a few characters */
if(input_length > 1) {
for(i = 1; i < input_length; i++) {
if((fset[i - 1] == 'F') && (fset[i] == ' ')) {
/* Detected a change from 8859-1 to 646 - count how long for */
for(j = 0; (fset[i + j] == ' ') && ((i + j) < input_length); j++);
if((j < 5) || ((j < 3) && ((i + j) == (input_length - 1)))) {
/* Change to shifting back rather than latching back */
for(k = 0; k < j; k++) {
fset[i + k] = 'n';
}
}
}
}
}
/* Detect mode A, B and C characters */
indexliste = 0;
indexchaine = 0;
mode = parunmodd(source[indexchaine]);
if((gs1) && (source[indexchaine] == '[')) { mode = ABORC; } /* FNC1 */
for(i = 0; i < 160; i++) {
list[0][i] = 0;
}
do {
list[1][indexliste] = mode;
while ((list[1][indexliste] == mode) && (indexchaine < input_length)) {
list[0][indexliste]++;
indexchaine++;
mode = parunmodd(source[indexchaine]);
if((gs1) && (source[indexchaine] == '[')) { mode = ABORC; } /* FNC1 */
}
indexliste++;
} while (indexchaine < input_length);
dxsmooth16(&indexliste);
/* Put set data into set[] */
read = 0;
for(i = 0; i < indexliste; i++) {
for(j = 0; j < list[0][i]; j++) {
switch(list[1][i]) {
case SHIFTA: set[read] = 'a'; break;
case LATCHA: set[read] = 'A'; break;
case SHIFTB: set[read] = 'b'; break;
case LATCHB: set[read] = 'B'; break;
case LATCHC: set[read] = 'C'; break;
}
read++;
}
}
/* Adjust for strings which start with shift characters - make them latch instead */
if(set[0] == 'a') {
i = 0;
do {
set[i] = 'A';
i++;
} while (set[i] == 'a');
}
if(set[0] == 'b') {
i = 0;
do {
set[i] = 'B';
i++;
} while (set[i] == 'b');
}
/* Watch out for odd-length Mode C blocks */
c_count = 0;
for(i = 0; i < read; i++) {
if(set[i] == 'C') {
if(source[i] == '[') {
if(c_count & 1) {
if((i - c_count) != 0) {
set[i - c_count] = 'B';
} else {
set[i - 1] = 'B';
}
}
c_count = 0;
} else {
c_count++;
}
} else {
if(c_count & 1) {
if((i - c_count) != 0) {
set[i - c_count] = 'B';
} else {
set[i - 1] = 'B';
}
}
c_count = 0;
}
}
if(c_count & 1) {
if((i - c_count) != 0) {
set[i - c_count] = 'B';
} else {
set[i - 1] = 'B';
}
}
for(i = 1; i < read - 1; i++) {
if((set[i] == 'C') && ((set[i - 1] == 'B') && (set[i + 1] == 'B'))) {
set[i] = 'B';
}
}
/* Make sure the data will fit in the symbol */
last_set = ' ';
glyph_count = 0.0;
for(i = 0; i < input_length; i++) {
if((set[i] == 'a') || (set[i] == 'b')) {
glyph_count = glyph_count + 1.0;
}
if((fset[i] == 'f') || (fset[i] == 'n')) {
glyph_count = glyph_count + 1.0;
}
if(((set[i] == 'A') || (set[i] == 'B')) || (set[i] == 'C')) {
if(set[i] != last_set) {
last_set = set[i];
glyph_count = glyph_count + 1.0;
}
}
if(i == 0) {
if((set[i] == 'B') && (set[1] == 'C')) {
glyph_count = glyph_count - 1.0;
}
if((set[i] == 'B') && (set[1] == 'B')) {
if(set[2] == 'C') {
glyph_count = glyph_count - 1.0;
}
}
if(fset[i] == 'F') {
glyph_count = glyph_count + 2.0;
}
} else {
if((fset[i] == 'F') && (fset[i - 1] != 'F')) {
glyph_count = glyph_count + 2.0;
}
if((fset[i] != 'F') && (fset[i - 1] == 'F')) {
glyph_count = glyph_count + 2.0;
}
}
if((set[i] == 'C') && (!((gs1) && (source[i] == '[')))) {
glyph_count = glyph_count + 0.5;
} else {
glyph_count = glyph_count + 1.0;
}
}
if((gs1) && (set[0] != 'A')) {
/* FNC1 can be integrated with mode character */
glyph_count--;
}
if(glyph_count > 77.0) {
strcpy(symbol->errtxt, "Input too long");
return ZERROR_TOO_LONG;
}
/* Calculate how tall the symbol will be */
glyph_count = glyph_count + 2.0;
i = glyph_count;
rows_needed = (i/5);
if(i%5 > 0) { rows_needed++; }
if(rows_needed == 1) {
rows_needed = 2;
}
/* start with the mode character - Table 2 */
m = 0;
switch(set[0]) {
case 'A': m = 0; break;
case 'B': m = 1; break;
case 'C': m = 2; break;
}
if(symbol->output_options & READER_INIT) {
if(m == 2) { m = 5; }
if(gs1) {
strcpy(symbol->errtxt, "Cannot use both GS1 mode and Reader Initialisation");
return ZERROR_INVALID_OPTION;
} else {
if((set[0] == 'B') && (set[1] == 'C')) { m = 6; }
}
values[bar_characters] = (7 * (rows_needed - 2)) + m; /* see 4.3.4.2 */
values[bar_characters + 1] = 96; /* FNC3 */
bar_characters += 2;
} else {
if(gs1) {
/* Integrate FNC1 */
switch(set[0]) {
case 'B': m = 3; break;
case 'C': m = 4; break;
}
} else {
if((set[0] == 'B') && (set[1] == 'C')) { m = 5; }
if(((set[0] == 'B') && (set[1] == 'B')) && (set[2] == 'C')) { m = 6; }
}
values[bar_characters] = (7 * (rows_needed - 2)) + m; /* see 4.3.4.2 */
bar_characters++;
}
current_set = set[0];
f_state = 0; /* f_state remembers if we are in Extended ASCII mode (value 1) or
in ISO/IEC 646 mode (value 0) */
if(fset[0] == 'F') {
switch(current_set) {
case 'A':
values[bar_characters] = 101;
values[bar_characters + 1] = 101;
break;
case 'B':
values[bar_characters] = 100;
values[bar_characters + 1] = 100;
break;
}
bar_characters += 2;
f_state = 1;
}
read = 0;
/* Encode the data */
do {
if((read != 0) && (set[read] != set[read - 1]))
{ /* Latch different code set */
switch(set[read])
{
case 'A':
values[bar_characters] = 101;
bar_characters++;
current_set = 'A';
break;
case 'B':
values[bar_characters] = 100;
bar_characters++;
current_set = 'B';
break;
case 'C':
if(!((read == 1) && (set[0] == 'B'))) { /* Not Mode C/Shift B */
if(!((read == 2) && ((set[0] == 'B') && (set[1] == 'B')))) {
/* Not Mode C/Double Shift B */
values[bar_characters] = 99;
bar_characters++;
}
}
current_set = 'C';
break;
}
}
/* printf("tp8\n"); */
if(read != 0) {
if((fset[read] == 'F') && (f_state == 0)) {
/* Latch beginning of extended mode */
switch(current_set) {
case 'A':
values[bar_characters] = 101;
values[bar_characters + 1] = 101;
break;
case 'B':
values[bar_characters] = 100;
values[bar_characters + 1] = 100;
break;
}
bar_characters += 2;
f_state = 1;
}
if((fset[read] == ' ') && (f_state == 1)) {
/* Latch end of extended mode */
switch(current_set) {
case 'A':
values[bar_characters] = 101;
values[bar_characters + 1] = 101;
break;
case 'B':
values[bar_characters] = 100;
values[bar_characters + 1] = 100;
break;
}
bar_characters += 2;
f_state = 0;
}
}
if((fset[i] == 'f') || (fset[i] == 'n')) {
/* Shift extended mode */
switch(current_set) {
case 'A':
values[bar_characters] = 101; /* FNC 4 */
break;
case 'B':
values[bar_characters] = 100; /* FNC 4 */
break;
}
bar_characters++;
}
if((set[i] == 'a') || (set[i] == 'b')) {
/* Insert shift character */
values[bar_characters] = 98;
bar_characters++;
}
if(!((gs1) && (source[read] == '['))) {
switch(set[read])
{ /* Encode data characters */
case 'A':
case 'a':
c16k_set_a(source[read], values, &bar_characters);
read++;
break;
case 'B':
case 'b':
c16k_set_b(source[read], values, &bar_characters);
read++;
break;
case 'C': c16k_set_c(source[read], source[read + 1], values, &bar_characters);
read += 2;
break;
}
} else {
values[bar_characters] = 102;
bar_characters++;
read++;
}
/* printf("tp9 read=%d surrent set=%c\n", read, set[read]); */
} while (read < ustrlen(source));
pads_needed = 5 - ((bar_characters + 2) % 5);
if(pads_needed == 5) {
pads_needed = 0;
}
if((bar_characters + pads_needed) < 8) {
pads_needed += 8 - (bar_characters + pads_needed);
}
for(i = 0; i < pads_needed; i++) {
values[bar_characters] = 106;
bar_characters++;
}
/* Calculate check digits */
first_sum = 0;
second_sum = 0;
for(i = 0; i < bar_characters; i++)
{
first_sum += (i+2) * values[i];
second_sum += (i+1) * values[i];
}
first_check = first_sum % 107;
second_sum += first_check * (bar_characters + 1);
second_check = second_sum % 107;
values[bar_characters] = first_check;
values[bar_characters + 1] = second_check;
bar_characters += 2;
for(current_row = 0; current_row < rows_needed; current_row++) {
strcpy(width_pattern, "");
concat(width_pattern, C16KStartStop[C16KStartValues[current_row]]);
concat(width_pattern, "1");
for(i = 0; i < 5; i++) {
concat(width_pattern, C16KTable[values[(current_row * 5) + i]]);
/* printf("[%d] ", values[(current_row * 5) + i]); */
}
concat(width_pattern, C16KStartStop[C16KStopValues[current_row]]);
/* printf("\n"); */
/* Write the information into the symbol */
writer = 0;
flip_flop = 1;
for (mx_reader = 0; mx_reader < strlen(width_pattern); mx_reader++) {
for(looper = 0; looper < ctoi(width_pattern[mx_reader]); looper++) {
if(flip_flop == 1) {
set_module(symbol, current_row, writer);
writer++; }
else {
writer++; }
}
if(flip_flop == 0) { flip_flop = 1; } else { flip_flop = 0; }
}
symbol->row_height[current_row] = 10;
}
symbol->rows = rows_needed;
symbol->width = 70;
return errornum;
}
