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Add new symbology UPNQR

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This commit is contained in:
Robin Stuart 2017-05-20 23:37:50 +01:00
parent 847fa6f332
commit b426877a4f
4 changed files with 107 additions and 2 deletions
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97
backend/qr.c
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@ -2947,3 +2947,100 @@ int microqr(struct zint_symbol *symbol, const unsigned char source[], int length
return 0;
}
/* For UPNQR the symbol size and error correction capacity is fixed */
int upnqr(struct zint_symbol *symbol, const unsigned char source[], int length) {
int i, j, est_binlen;
int ecc_level, version, max_cw, target_binlen, blocks, size;
int bitmask;
#ifndef _MSC_VER
int jisdata[length + 1];
char mode[length + 1];
#else
int* datastream;
int* fullstream;
unsigned char* grid;
int* jisdata = (int *) _alloca((length + 1) * sizeof (int));
char* mode = (char *) _alloca(length + 1);
#endif
switch(symbol->eci) {
case 3:
/* Convert input to ISO-8859-2 */
strcpy(symbol->errtxt, "Not implemented yet!");
return ZINT_ERROR_INVALID_DATA;
break;
case 4:
/* Input is already in ISO-8859-2 format */
for (i = 0; i < length; i++) {
jisdata[i] = (int) source[i];
mode[i] = 'B';
}
break;
default:
strcpy(symbol->errtxt, "Input data should be in Unicode or ISO-8859-2 format");
return ZINT_ERROR_INVALID_DATA;
break;
}
symbol->eci = 4;
est_binlen = estimate_binary_length(mode, length, 0, symbol->eci);
ecc_level = LEVEL_M;
max_cw = 2334;
if (est_binlen > (8 * max_cw)) {
strcpy(symbol->errtxt, "Input too long for selected error correction level (E61)");
return ZINT_ERROR_TOO_LONG;
}
version = 15; // 77 x 77
target_binlen = qr_data_codewords_M[version - 1];
blocks = qr_blocks_M[version - 1];
#ifndef _MSC_VER
int datastream[target_binlen + 1];
int fullstream[qr_total_codewords[version - 1] + 1];
#else
datastream = (int *) _alloca((target_binlen + 1) * sizeof (int));
fullstream = (int *) _alloca((qr_total_codewords[version - 1] + 1) * sizeof (int));
#endif
qr_binary(datastream, version, target_binlen, mode, jisdata, length, 0, symbol->eci, est_binlen, symbol->debug);
add_ecc(fullstream, datastream, version, target_binlen, blocks);
size = qr_sizes[version - 1];
#ifndef _MSC_VER
unsigned char grid[size * size];
#else
grid = (unsigned char *) _alloca((size * size) * sizeof (unsigned char));
#endif
for (i = 0; i < size; i++) {
for (j = 0; j < size; j++) {
grid[(i * size) + j] = 0;
}
}
setup_grid(grid, size, version);
populate_grid(grid, size, fullstream, qr_total_codewords[version - 1]);
bitmask = apply_bitmask(grid, size, ecc_level);
add_format_info(grid, size, ecc_level, bitmask);
symbol->width = size;
symbol->rows = size;
for (i = 0; i < size; i++) {
for (j = 0; j < size; j++) {
if (grid[(i * size) + j] & 0x01) {
set_module(symbol, i, j);
}
}
symbol->row_height[i] = 1;
}
return 0;
}