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DATAMATRIX: add new options DM_B256_START and DM_C40_START to

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`options_3`, allowing forcing of Base 256 or C40 mode a la BWIPP
  for initial no. of characters specified in `option_1`, with 0
  meaning all (CLI "--dmb256=" and "--dmc40=", GUI also (apart
  from MAILMARK_2D, which may be added later);
  export masks `DM_B256_C40_START_MASK` & `DM_SQUARE_DMRE_MASK` in
  "zint.h"
ZBarcode_Encode_File: report filename (possibly truncated) in error
  message on failed open
GUI: uniquify some accelerators and add some child widget getter
  helpers to "mainwindow.cpp"
backend/DEVELOPER -> backend/README, with some expansion
debian/copyright: a few more fixes
BWIPP/pandoc: update to latest
tests/fuzz: adjust for new DATAMATRIX options
This commit is contained in:
gitlost
2026-03-30 21:25:22 +01:00
parent 3c193d7306
commit f9a493522f
40 changed files with 1706 additions and 920 deletions
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9
backend/library.c
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@@ -1569,7 +1569,14 @@ int ZBarcode_Encode_File(struct zint_symbol *symbol, const char *filename) {
file = fopen(filename, "rb");
#endif
if (!file) {
ZEXT z_errtxtf(0, symbol, 229, "Unable to read input file (%1$d: %2$s)", errno, strerror(errno));
const int len = (int) strlen(filename);
if (len > 40) {
ZEXT z_errtxtf(0, symbol, 233, "Unable to read input file \"%1$.10s...%2$.30s\" (%3$d: %4$s)",
filename, filename + (len - 30), errno, strerror(errno));
} else {
ZEXT z_errtxtf(0, symbol, 229, "Unable to read input file \"%1$s\" (%2$d: %3$s)",
filename, errno, strerror(errno));
}
return error_tag(ZINT_ERROR_INVALID_DATA, symbol, -1, NULL);
}
file_opened = 1;