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Revion of ECI number encoding

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This commit is contained in:
Robin Stuart
2017-06-18 13:00:22 +01:00
parent 37ac5e9c54
commit a085bca168
7 changed files with 181 additions and 20 deletions
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21
backend/dmatrix.c
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@ -578,10 +578,27 @@ static int dm200encode(struct zint_symbol *symbol, const unsigned char source[],
}
if (symbol->eci > 3) {
/* Encode ECI numbers according to Table 6 */
target[tp] = 241; /* ECI Character */
tp++;
target[tp] = (unsigned char) (symbol->eci + 1);
tp++;
if (symbol->eci <= 126) {
target[tp] = (unsigned char) symbol->eci + 1;
tp++;
}
if ((symbol->eci >= 127) && (symbol->eci <= 16382)) {
target[tp] = (unsigned char) ((symbol->eci - 127) / 254) + 128;
tp++;
target[tp] = (unsigned char) ((symbol->eci - 127) % 254) + 1;
tp++;
}
if (symbol->eci >= 16383) {
target[tp] = (unsigned char) ((symbol->eci - 16383) / 64516) + 192;
tp++;
target[tp] = (unsigned char) (((symbol->eci - 16383) / 254) % 254) + 1;
tp++;
target[tp] = (unsigned char) ((symbol->eci - 16383) % 254) + 1;
tp++;
}
if (debug) printf("ECI %d ", symbol->eci + 1);
}