65 lines
1.8 KiB
Bash
65 lines
1.8 KiB
Bash
#!/usr/bin/env sh
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set -eu
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ROOT_DIR=$(CDPATH= cd -- "$(dirname "$0")/.." && pwd)
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HOST_TARGET=${1:-kindle}
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OUTPUT_BASENAME=${2:-current-screen}
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OUTPUT_DIR=${3:-"$ROOT_DIR/tmp"}
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RUNTIME_ENV_PATH=/mnt/us/dashboard/local/state/theme-runtime.env
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mkdir -p "$OUTPUT_DIR"
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raw_path="$OUTPUT_DIR/${OUTPUT_BASENAME}-raw.png"
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physical_path="$OUTPUT_DIR/${OUTPUT_BASENAME}-physical.png"
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tmp_download_path="$OUTPUT_DIR/${OUTPUT_BASENAME}-download.tmp"
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read_remote_value() {
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key=$1
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ssh "$HOST_TARGET" "awk -F= '/^export ${key}=/{gsub(\"\\047\", \"\", \$2); print \$2; exit}' \"$RUNTIME_ENV_PATH\" 2>/dev/null || true"
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}
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orientation=$(read_remote_value ORIENTATION)
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device_placement=$(read_remote_value THEME_DEVICE_PLACEMENT)
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ssh "$HOST_TARGET" '
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set -eu
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capture_path="/tmp/kindle-dashboard-capture-$$.png"
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fbgrab "$capture_path" >/dev/null 2>&1
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cat "$capture_path"
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rm -f "$capture_path"
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' >"$tmp_download_path"
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python3 - "$tmp_download_path" "$raw_path" <<'PY'
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from pathlib import Path
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import sys
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download_path = Path(sys.argv[1])
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raw_path = Path(sys.argv[2])
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data = download_path.read_bytes()
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magic = b"\x89PNG\r\n\x1a\n"
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index = data.find(magic)
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if index == -1:
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raise SystemExit("抓屏结果里没有找到 PNG 头")
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raw_path.write_bytes(data[index:])
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download_path.unlink(missing_ok=True)
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PY
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case "$orientation:$device_placement" in
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landscape:logo_right)
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cp "$raw_path" "$physical_path"
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# 原始 fbgrab 输出始终是纵向 framebuffer。
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# Logo 在右侧时，日常评审应优先看 physical 图；
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# 它等于把 raw 图按设备实际摆放方向逆时针旋转 90 度。
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sips -r 270 "$physical_path" >/dev/null
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;;
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*)
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cp "$raw_path" "$physical_path"
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;;
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esac
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printf 'raw=%s\n' "$raw_path"
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printf 'physical=%s\n' "$physical_path"
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printf 'orientation=%s\n' "${orientation:-unknown}"
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printf 'devicePlacement=%s\n' "${device_placement:-unknown}"
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