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CODE128: Add new extra escape \^1 for manual insertion of FNC1s,

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ticket #324, props Jim Shank;
  also improve encodation for a few limited cases;
  also some code fiddling
BWIPP: update to latest
raster: check for overflow on `size + size2` in `raster_malloc()`
vector: put `malloc()`s on one line for grep ease
docs: pandoc-3.3, clang-tidy-20
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gitlost
2024-09-03 11:55:55 +01:00
parent 7f4ccccb98
commit 10747d6385
19 changed files with 416 additions and 268 deletions
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16
docs/manual.pmd
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@@ -1,6 +1,6 @@
% Zint Barcode Generator and Zint Barcode Studio User Manual
% Version 2.13.0.9
% June 2024
% September 2024
# 1. Introduction
@@ -574,7 +574,8 @@ codeset from U+0000 to U+D7FF and U+E000 to U+FFFF (i.e. excluding surrogates).
Not to be confused with the Windows Bitmap file format BMP!
(Special escape sequences are available for Code 128 only to manually switch
Code Sets - see [6.1.10.1 Standard Code 128 (ISO 15417)] for details.)
Code Sets and/or insert special FNC1 characters - see [6.1.10.1 Standard Code
128 (ISO 15417)] for details.)
Input data can be read directly from file using the `-i` or `--input` switch as
shown below. The input file is assumed to be UTF-8 formatted unless an
@@ -3131,6 +3132,13 @@ zint -b CODE128 -d "\^AABC\^^BDEF" --extraesc
will encode the data `"ABC\^BDEF"` in Code Set A.
There is also the extra escape `\^1`, which will encode a special Function Code
1 character (FNC1) anywhere you chose in the data, for instance
```bash
zint -b CODE128 -d "A\^1BC\^1DEF" --extraesc
```
Code 128 is the default barcode symbology used by Zint. In addition Zint
supports the encoding of ISO/IEC 8859-1 (non-English) characters in Code 128
symbols. The ISO/IEC 8859-1 character set is shown in Annex [A.2 Latin Alphabet
@@ -3147,8 +3155,8 @@ It is sometimes advantageous to stop Code 128 from using Code Set C which
compresses numerical data. The `BARCODE_CODE128AB`[^14] variant (symbology 60)
suppresses Code Set C in favour of Code Sets A and B.
Note that the special escapes to manually switch Code Sets mentioned above are
not available for this variant (nor for any other).
Note that the special extra escapes mentioned above are not available for this
variant (nor for any other).
[^14]: `BARCODE_CODE128AB` previously used the name `BARCODE_CODE128B`, which is
still recognised.