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warn on deskew but no crop

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Best practices from the sane mailing list indicate that deskew should
be used in combination with crop for best results. Warn if not doing
so.
This commit is contained in:
Raman Gupta 2023-04-19 12:46:49 -04:00
parent 31ef706c47
commit eea2c495d9
1 changed files with 7 additions and 4 deletions
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@ -258,6 +258,13 @@ case "$SIZE" in
esac
if [[ $DESKEW == 1 ]]; then
if [[ $CROP != 1 ]]; then
echo >&2 'Warning: `--deskew` specified, but `--crop` not specified. It is recommended to scan at max height/width and then crop to give deskew the best chance of working correctly.'
fi
DESKEW="--swdeskew=yes"
fi
if [[ $CROP != 1 && "$PGHEIGHT" != "" ]]; then
PGHEIGHTIN=$(units --compact -1 "$PGHEIGHT mm" 'in')
PGHEIGHT="--page-height $PGHEIGHT -y $PGHEIGHT"
@ -279,10 +286,6 @@ if [[ $CROP == 1 ]]; then
PS2PDF_OPTS="-dEPSCrop"
fi
if [[ $DESKEW == 1 ]]; then
DESKEW="--swdeskew=yes"
fi
if [[ $SKIP_EMPTY_PAGES == 1 && ! -x "$(command -v bc)" ]]; then
echo >&2 'Warning: `--skip-empty-pages` specified, but `bc` not available. Disabling empty page detection.'
SKIP_EMPTY_PAGES=0