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DATAMATRIX: add DM_ISO_144 (--dmiso144) option for ISO placement

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of ECC codewords instead of default "de facto"
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gitlost
2023-10-30 20:28:00 +00:00
parent b343409fb4
commit ca964f9098
18 changed files with 578 additions and 188 deletions
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8
docs/manual.pmd
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@@ -3261,8 +3261,8 @@ check digit.
A highly compressed symbol for numeric data. The number of channels in the
symbol can be between 3 and 8 and this can be specified by setting the value of
the `--vers` option (API `option_2`). It can also be determined by the length of
the input data e.g. a three character input string generates a 4 channel code by
default.
the input data: e.g. a three character input string generates a 4 channel code
by default.
The maximum values permitted depend on the number of channels used as shown in
the table below:
@@ -3872,6 +3872,10 @@ GS1 data may be encoded using FNC1 (default) or GS (Group Separator, ASCII 29)
as separator. Use the option `--gssep` to change to GS (API `output_options |=
GS1_GS_SEPARATOR`).
By default Zint uses a "de facto" codeword placement for symbols of size 144 x
144 (version 24). To override this and use the now clarified ISO/IEC standard
placement, use option `--dmiso144` (API `option_3 |= DM_ISO_144`).
For a faster but less optimal encoding, the `--fast` option (API `input_mode |=
FAST_MODE`) may be used.