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Use more accurate guess of bit length when calculating smallest available version

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Fixes #66, Bug report by jthie
This commit is contained in:
Robin Stuart 2017-06-05 19:17:22 +01:00
parent 7b53fc3469
commit 30272dd955
1 changed files with 2 additions and 7 deletions
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9
backend/qr.c
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@ -1589,10 +1589,7 @@ int qr_code(struct zint_symbol *symbol, const unsigned char source[], size_t len
if (autosize == 1) { if (autosize == 1) {
canShrink = 0; canShrink = 0;
} else { } else {
if (tribus(autosize - 1, 1, 2, 3) != tribus(autosize, 1, 2, 3)) { est_binlen = getBinaryLength(autosize - 1, mode, jisdata, length, gs1, symbol->eci);
// Length of binary needed to encode the data in the smaller symbol is different, recalculate
est_binlen = getBinaryLength(autosize - 1, mode, jisdata, length, gs1, symbol->eci);
}
switch (ecc_level) { switch (ecc_level) {
case LEVEL_L: case LEVEL_L:
@ -1622,9 +1619,7 @@ int qr_code(struct zint_symbol *symbol, const unsigned char source[], size_t len
autosize--; autosize--;
} else { } else {
// Data did not fit in the smaller symbol, revert to original size // Data did not fit in the smaller symbol, revert to original size
if (tribus(autosize - 1, 1, 2, 3) != tribus(autosize, 1, 2, 3)) { est_binlen = getBinaryLength(autosize, mode, jisdata, length, gs1, symbol->eci);
est_binlen = getBinaryLength(autosize, mode, jisdata, length, gs1, symbol->eci);
}
} }
} }
} while (canShrink == 1); } while (canShrink == 1);