99 lines
2.5 KiB
Bash
Executable File
99 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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# shellcheck disable=SC2046
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##
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# Configuration
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# Paper size of all pages
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paper="a4paper"
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# Offset in page where image should be placed
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offset="1cm 3cm"
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# Factor to scale image by before placing in page
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scale=1
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# Filename of complete result PDF
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result="pdf/result.pdf"
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##
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# Main Program
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dir="$(dirname "$(readlink -f "$0")")"
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if ! cd "$dir" ; then
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echo "ERROR: Could not change to directory \"$dir\"; aborted." >&2
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exit 1
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elif ! mkdir -p pdf tmp ; then
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echo "ERROR: Could not create \"$dir/{pdf,tmp}\"; aborted." >&2
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exit 1
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elif ! rm -f -- "pdf/"*.* ; then
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echo "ERROR: Could not delete existing results in \"$dir/pdf\"; aborted." >&2
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exit 1
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else
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rv=0
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for png in "out/"*.png ; do
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echo "INFO: Processing \"$png\" ..." >&2
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read -r width height < <(
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identify -verbose "$png" | \
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perl -ne '/Geometry: (\d+)x(\d+)/ && print "$1 $2"'
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)
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if [[ -z $width ]] || [[ -z $height ]] ; then
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echo "ERROR: Could not identify width or height of \"$png\"; skipped." >&2
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rv=1
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continue
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elif [[ $width -gt $height ]] ; then
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backdrop=template/a4paper/landscape.pdf
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jam_landscape=--landscape
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else
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backdrop=template/a4paper/portrait.pdf
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jam_landscape=--no-landscape
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fi
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base=$(basename "$png" .png)
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pdf=tmp/$base.pdf
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jammed=tmp/$base-pdfjam.pdf
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backdropped=tmp/$base.backdropped.pdf
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if ! convert "$png" "$pdf" ; then
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echo "ERROR: Could not convert \"$png\" to PDF; skipped." >&2
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rv=1
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continue
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elif ! pdfjam \
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--quiet \
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--outfile tmp \
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--paper "$paper" \
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"$jam_landscape" \
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--scale "$scale" \
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--offset "$offset" \
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"$pdf"
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then
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echo "ERROR: Could not align \"$pdf\"; skipped." >&2
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rv=1
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continue
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elif ! pdftk \
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"$jammed" \
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stamp "$backdrop" \
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output "$backdropped"
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then
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echo "ERROR: Could not watermark \"$pdf\"; skipped." >&2
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rv=1
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continue
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fi
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done
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if ! pdftk $(ls -- "tmp/"*.backdropped.pdf) cat output "$result" ; then
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echo "ERROR: Could not concatenate \"$result\"." >&2
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rv=1
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elif ! rm -f -- "tmp/"*.pdf ; then
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echo "ERROR: Could not remove tempfiles in \"$dir/tmp\"." >&2
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rv=1
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fi
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exit "$rv"
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fi
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