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Add ECI encoding

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This commit is contained in:
Robin Stuart 2016-08-16 12:43:41 +01:00
parent fc657d5fe8
commit 9d1c20201d
17 changed files with 994 additions and 317 deletions
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130
backend/hanxin.c
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@ -62,12 +62,16 @@ int getsubmode(char input) {
}
/* Calculate the approximate length of the binary string */
int calculate_binlength(char mode[], int source[], int length) {
int calculate_binlength(char mode[], int source[], int length, int eci) {
int i;
char lastmode = 't';
int est_binlen = 0;
int submode = 1;
if (eci != 3) {
est_binlen += 12;
}
i = 0;
do {
switch (mode[i]) {
@ -323,7 +327,7 @@ int lookup_text2(char input) {
}
/* Convert input data to binary stream */
void calculate_binary(char binary[], char mode[], int source[], int length) {
void calculate_binary(char binary[], char mode[], int source[], int length, int eci) {
int block_length;
int position = 0;
int i, p, count, encoding_value;
@ -331,7 +335,18 @@ void calculate_binary(char binary[], char mode[], int source[], int length) {
int first_byte, second_byte;
int third_byte, fourth_byte;
int glyph;
int submode;
int submode;
if (eci != 3) {
strcat(binary, "1000"); // ECI
for (p = 0; p < 8; p++) {
if (eci & (0x80 >> p)) {
strcat(binary, "1");
} else {
strcat(binary, "0");
}
}
}
do {
block_length = 0;
@ -1298,88 +1313,85 @@ int han_xin(struct zint_symbol *symbol, const unsigned char source[], int length
#ifndef _MSC_VER
int utfdata[length + 1];
int gbdata[(length + 1) * 2];
char mode[length + 1];
char mode[length + 1];
#else
int* utfdata = (int *) _alloca((length + 1) * sizeof (int));
int* gbdata = (int *) _alloca(((length + 1) * 2) * sizeof (int));
char* mode = (char *) _alloca((length + 1) * sizeof (char));
char* binary;
unsigned char *datastream;
unsigned char *fullstream;
unsigned char *picket_fence;
unsigned char *grid;
char* mode = (char *) _alloca((length + 1) * sizeof (char));
char* binary;
unsigned char *datastream;
unsigned char *fullstream;
unsigned char *picket_fence;
unsigned char *grid;
#endif
switch (symbol->input_mode) {
case DATA_MODE:
for (i = 0; i < length; i++) {
gbdata[i] = (int) source[i];
}
break;
default:
/* Convert Unicode input to GB-18030 */
error_number = utf8toutf16(symbol, source, utfdata, &length);
if (error_number != 0) {
return error_number;
}
if ((symbol->input_mode == DATA_MODE) || (symbol->eci != 3)) {
for (i = 0; i < length; i++) {
gbdata[i] = (int) source[i];
}
} else {
/* Convert Unicode input to GB-18030 */
error_number = utf8toutf16(symbol, source, utfdata, &length);
if (error_number != 0) {
return error_number;
}
posn = 0;
for (i = 0; i < length; i++) {
if (utfdata[i] <= 0x7f) {
gbdata[posn] = utfdata[i];
posn++;
} else {
posn = 0;
for (i = 0; i < length; i++) {
if (utfdata[i] <= 0x7f) {
gbdata[posn] = utfdata[i];
posn++;
} else {
j = 0;
glyph = 0;
do {
if (gb18030_twobyte_lookup[j * 2] == utfdata[i]) {
glyph = gb18030_twobyte_lookup[(j * 2) + 1];
}
j++;
} while ((j < 23940) && (glyph == 0));
if (glyph == 0) {
j = 0;
glyph = 0;
glyph2 = 0;
do {
if (gb18030_twobyte_lookup[j * 2] == utfdata[i]) {
glyph = gb18030_twobyte_lookup[(j * 2) + 1];
if (gb18030_fourbyte_lookup[j * 3] == utfdata[i]) {
glyph = gb18030_fourbyte_lookup[(j * 3) + 1];
glyph2 = gb18030_fourbyte_lookup[(j * 3) + 2];
}
j++;
} while ((j < 23940) && (glyph == 0));
} while ((j < 6793) && (glyph == 0));
if (glyph == 0) {
j = 0;
glyph = 0;
glyph2 = 0;
do {
if (gb18030_fourbyte_lookup[j * 3] == utfdata[i]) {
glyph = gb18030_fourbyte_lookup[(j * 3) + 1];
glyph2 = gb18030_fourbyte_lookup[(j * 3) + 2];
}
j++;
} while ((j < 6793) && (glyph == 0));
if (glyph == 0) {
strcpy(symbol->errtxt, "Unknown character in input data");
return ZINT_ERROR_INVALID_DATA;
} else {
gbdata[posn] = glyph;
gbdata[posn + 1] = glyph2;
posn += 2;
}
strcpy(symbol->errtxt, "Unknown character in input data");
return ZINT_ERROR_INVALID_DATA;
} else {
gbdata[posn] = glyph;
posn++;
gbdata[posn + 1] = glyph2;
posn += 2;
}
} else {
gbdata[posn] = glyph;
posn++;
}
}
break;
}
}
length = posn;
hx_define_mode(mode, gbdata, length);
est_binlen = calculate_binlength(mode, gbdata, length);
est_binlen = calculate_binlength(mode, gbdata, length, symbol->eci);
est_codewords = est_binlen / 8;
if (est_binlen % 8 != 0) {
est_codewords++;
}
#ifndef _MSC_VER
char binary[est_binlen + 1];
#else
binary = (char *) _alloca((est_binlen + 1) * sizeof (char));;
#endif
#ifndef _MSC_VER
char binary[est_binlen + 1];
#else
binary = (char *) _alloca((est_binlen + 1) * sizeof (char));;
#endif
for (i = 0; i < est_binlen + 1; i++) {
binary[i] = '\0';
}
@ -1390,7 +1402,7 @@ int han_xin(struct zint_symbol *symbol, const unsigned char source[], int length
ecc_level = 1;
}
calculate_binary(binary, mode, gbdata, length);
calculate_binary(binary, mode, gbdata, length, symbol->eci);
version = 85;
for (i = 84; i > 0; i--) {