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DATAMATRIX: new algorithm for (near-)minimal encoding, props Alex Geller

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Add FAST_MODE input_mode flag and --fast CLI/Tcl option that selects older
  faster ISO algorithm (may be used by other symbologies in the future)
  and "Fast Encoding" checkbox to Data Matrix GUI
GUI: adds Zint version numbers to DATAMATRIX sizes.
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gitlost 2021-12-18 16:22:02 +00:00
parent caadc87f7e
commit b36fba8ba6
28 changed files with 4578 additions and 2298 deletions
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9
docs/manual.txt
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@ -1175,7 +1175,7 @@ structapp | Structured | Mark a symbol as part of a | count 0
warn_level | integer | Affects error/warning value | WARN_DEFAULT
| | returned by Zint API. |
text | unsigned | Human Readable Text, which | "" (empty)
| character | usually consists of in- |
| character | usually consists of in- | (output only)
| string | put data plus one more |
| | check digit. Uses UTF-8 |
| | formatting, with a |
@ -2500,6 +2500,9 @@ DMRE symbol sizes may be activated in automatic size mode using the option
GS1 data may be encoded using FNC1 (preferred) or GS as separator. Use the
option --gssep to change to GS or use the API output_options |= GS1_GS_SEPARATOR
For a near-optimal but slower encoding, the --compressenc option (API
option_3 |= DM_COMPRESSION) may be used.
Data Matrix supports Structured Append of up to 16 symbols and a numeric ID
(file identifications), which can be set by using the --structapp option (see
section 4.15) or the API structapp variable. The ID consists of 2 numbers ID1
@ -3132,9 +3135,9 @@ Value | EC Level | Amount of symbol holding error correction data
-----------------------------------------------------------------
Zint does not currently implement data compression by default, but this can
be initiated through the API by setting
be initiated using the `--compressenc` option or through the API by setting
symbol->option_3 = ULTRA_COMPRESSION;
symbol->option_3 |= ULTRA_COMPRESSION;
WARNING: Ultracode data compression is experimental and should not be used
in a production environment.