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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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14
backend/hanxin.c
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@ -1118,8 +1118,8 @@ static void hx_add_ecc(unsigned char fullstream[], const unsigned char datastrea
unsigned char data_block[180];
unsigned char ecc_block[36];
int i, j, block;
int input_position = -1;
int output_position = -1;
int input_position = 0;
int output_position = 0;
const int table_d1_pos = ((version - 1) * 36) + ((ecc_level - 1) * 9);
rs_t rs;
@ -1134,17 +1134,15 @@ static void hx_add_ecc(unsigned char fullstream[], const unsigned char datastrea
for (block = 0; block < batch_size; block++) {
for (j = 0; j < data_length; j++) {
input_position++;
output_position++;
data_block[j] = input_position < data_codewords ? datastream[input_position] : 0;
fullstream[output_position] = data_block[j];
fullstream[output_position++] = data_block[j];
input_position++;
}
rs_encode(&rs, data_length, data_block, ecc_block);
for (j = 0; j < ecc_length; j++) {
output_position++;
fullstream[output_position] = ecc_block[ecc_length - j - 1];
fullstream[output_position++] = ecc_block[j];
}
}
}
@ -1177,7 +1175,7 @@ static void hx_set_function_info(unsigned char *grid, const int size, const int
rs_init_code(&rs, 4, 1);
rs_encode(&rs, 3, fi_cw, fi_ecc);
for (i = 3; i >= 0; i--) {
for (i = 0; i < 4; i++) {
bp = bin_append_posn(fi_ecc[i], 4, function_information, bp);
}