ZacharyZhang-NY
b7fca0146d
ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git), ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.
31 lines
919 B
Bash
Executable File
31 lines
919 B
Bash
Executable File
#!/usr/bin/env bash
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# Usage: shot.sh [--id] <pid> [out.png]; macOS only.
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set -euo pipefail
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[ "$(uname)" = Darwin ] || { echo "shot: needs macOS" >&2; exit 2; }
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id_only=
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if [ "${1:-}" = --id ]; then
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id_only=1
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shift
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fi
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pid=${1:?pid}
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id=$(osascript -l JavaScript - "$pid" <<'JS'
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ObjC.import('CoreGraphics');
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function run(argv) {
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const pid = parseInt(argv[0]);
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const all = ObjC.deepUnwrap(ObjC.castRefToObject($.CGWindowListCopyWindowInfo($.kCGWindowListOptionOnScreenOnly, 0)));
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const mine = all.filter(w => w.kCGWindowOwnerPID === pid && w.kCGWindowLayer === 0);
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return mine.length ? String(mine[0].kCGWindowNumber) : '';
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}
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JS
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)
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[ -n "$id" ] || { echo "shot: process $pid has no on-screen window" >&2; exit 1; }
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if [ -n "$id_only" ]; then
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echo "$id"
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exit 0
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fi
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out=${2:?out.png}
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screencapture -x -o -l"$id" "$out"
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[ -s "$out" ] || { echo "shot: screencapture wrote nothing for window $id" >&2; exit 1; }
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