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AZTEC: use algorithm adapted from ZXing for optimized encodation

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(ticket #347), props Frank Yellin and Rustam Abdullaev;
   also improve performance of `FAST_MODE`
DATAMATRIX: assert max size on `edges` will fit in unsigned short;
   use MASK for DMRE/SQUARE `option_3` setting
PDF417: assert max size on `edges` will fit in unsigned short
GUI: fix setting AZTEC size and ECC combos if not previously set
manual: fix not mentioning AZTEC re `FAST_MODE`;
  gs1 mode footnote: mention 3940's length; pandoc -> 3.9
test suite: DOTCODE: account for new BWIPP input length guard
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gitlost
2026-03-11 15:48:24 +00:00
parent ee71a5cc56
commit b3a3c0d3b4
19 changed files with 3668 additions and 1558 deletions
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4
backend/pdf417.c
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@@ -1,7 +1,7 @@
/* pdf417.c - Handles PDF417 stacked symbology */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Portions Copyright (C) 2004 Grandzebu
Bug Fixes thanks to KL Chin <klchin@users.sourceforge.net>
@@ -932,6 +932,8 @@ static int pdf_define_modes(short liste[3][PDF_MAX_LEN], int *p_indexliste, cons
if (!edges) {
return 0;
}
assert((length + 1) * PDF_NUM_MODES < USHRT_MAX); /* Guaranteed by input length limit */
pdf_addEdges(source, length, lastmode, edges, 0, NULL);
PDF_TRACE_Edges("DEBUG Initial situation\n", source, length, edges, 0);