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MAXICODE: add minimal encoding by Bue Jensen (BWIPP PR #279),

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around 20% slower than current but much better;
  numerous other fiddlings
reedsol: reverse result in `rs_*encode*()` routines & adjust
  clients appropriately (may replace later with something faster)
test suite: cater for MAXICODE SCM better; add assert & dataset
  totals
BWIPP: update to latest
gen_gs1_lint.php: restrict line length to 118 for func calls
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gitlost 2024-11-25 09:22:37 +00:00
parent 1ae7815d95
commit e94727f07d
22 changed files with 1317 additions and 1172 deletions
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21
backend/dmatrix.c
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@ -179,19 +179,20 @@ static void dm_ecc(unsigned char *binary, const int bytes, const int datablock,
for (n = b; n < bytes; n += blocks)
buf[p++] = binary[n];
rs_encode(&rs, p, buf, ecc);
p = rsblock - 1; /* comes back reversed */
for (n = b; n < rsblocks; n += blocks) {
if (skew) {
/* Rotate ecc data to make 144x144 size symbols acceptable */
/* See http://groups.google.com/group/postscriptbarcode/msg/5ae8fda7757477da
or https://github.com/nu-book/zxing-cpp/issues/259 */
if (skew) {
/* Rotate ecc data to make 144x144 size symbols acceptable */
/* See http://groups.google.com/group/postscriptbarcode/msg/5ae8fda7757477da
or https://github.com/nu-book/zxing-cpp/issues/259 */
for (n = b, p = 0; n < rsblocks; n += blocks, p++) {
if (b < 8) {
binary[bytes + n + 2] = ecc[p--];
binary[bytes + n + 2] = ecc[p];
} else {
binary[bytes + n - 8] = ecc[p--];
binary[bytes + n - 8] = ecc[p];
}
} else {
binary[bytes + n] = ecc[p--];
}
} else {
for (n = b, p = 0; n < rsblocks; n += blocks, p++) {
binary[bytes + n] = ecc[p];
}
}
}