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GRIDMATRIX: fix byte latch 6 -> 7, & allowing more than one

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non-digit in numeral (both caused misencodation);
  replace `gm_macro_matrix[]` array with calculation (marginally
  slower but saves ~1.4k);
  replace `gm_shift_set[]` use with simple compares (performance);
  change GM_CHINESE/etc defines to numbers so can index into new
  `gm_shift_set[]` array (simplifies mode switching code);
  GM_NUMBER -> GM_NUMERAL, modules -> macromodules_per_dim, various
  other renamings to hopefully more explanatory names;
  various other changes (mostly performance)
test suite: make use of new zxing-cpp diagnostics2 branch Grid
  Matrix decoder
manual: slight clarification of `--gs1nocheck`
BWIPP: latest
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gitlost
2026-07-06 01:22:54 +01:00
parent aadd94d288
commit 4e534c3a09
12 changed files with 792 additions and 801 deletions
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docs/manual.pmd
+10 -10
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@@ -1,6 +1,6 @@
% Zint Barcode Generator and Zint Barcode Studio User Manual
% Version 2.16.0.9
% June 2026
% July 2026
[//]: # ( vim: set ts=4 sw=4 et : )
@@ -1631,17 +1631,17 @@ zint -b AZTEC -d "010952012345678810BCH4\G2107" --esc --gs1raw
Apart from `--gs1`, `--gs1parens` and `--gs1raw` discussed above, there are two
other GS1 options.
- `--gs1strict`, which enables the use the GS1 Syntax Engine to
strictly validate GS1 data, including GS1 Digital Link URIs (by default Zint
does not validate Digital Links at all). It requires that Zint was built with
the `gs1encoders` library, otherwise the default built-in validation will be
used.
- `--gs1strict`, which enables the use the GS1 Syntax Engine to strictly
validate GS1 data, including GS1 Digital Link URIs (by default Zint does not
validate Digital Links at all). It requires that Zint was built with the
`gs1encoders` library, otherwise the default built-in validation will be used.
- `--gs1nocheck`, for use with legacy systems that have data that does not
conform to the current GS1 standard. Printable ASCII input is still checked for,
as is the validity of GS1 data specified without AIs (e.g. linear data for GS1
DataBar Omnidirectional/Limited/etc.). Also checked is GS1 DataBar Expanded and
GS1 Composite input that is not in the GS1 encodable character set 82 (see GS1
conform to the current GS1 standard, this disables checking for valid AIs, and
AI data types and lengths. Printable ASCII input is still checked for, as is the
validity of GS1 data specified without AIs (e.g. linear data for GS1 DataBar
Omnidirectional/Limited/etc.). Also checked is GS1 DataBar Expanded and GS1
Composite input that is not in the GS1 encodable character set 82 (see GS1
General Specifications 26.0 Table 7-2 "GS1 AI encodable character set 82"),
otherwise encodation would fail. In "Unbracketed AI" and raw mode, overlong AI
data will also fail.