lwouis
9147a4a864
BREAKING CHANGE: announcement: https://github.com/lwouis/alt-tab-macos/discussions/5533 * improved performance, especially switcher responsiveness * reduced battery usage even more * reduced ram usage (closes #5450, closes #5539, closes #5627) * reduced app size even more * polished many aspects of the ui; align more with liquid glass * better handle "ghost" windows (closes #5509) * fix issue with wrong window order (closes #5492) * escape closes the switcher on tahoe (closes #5585) * improve search matches (closes #5488) * localizations trimmed and reviewed entirely (closes #5583) * highlight matching app icons when searching, in addition to text * better settings import/export * reworked "send feedback" experience * reworked exceptions ui (closes #5482) * per-shortcut settings (closes #5313) * rework about window
76 lines
2.4 KiB
Bash
Executable File
76 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Batch-encode PNG/JPEG → HEIC at the chosen quality and longest-edge size.
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#
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# Defaults: longest edge 1000px, quality 50. q50 was chosen as the AltTab baseline
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# after side-by-side comparison at q20/q35/q50/q65/q80 — it's the lowest setting
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# where text in screenshot illustrations stayed legible and gradient backgrounds
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# didn't band, at roughly 50% of the bytes of q80.
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#
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# Usage:
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# bash scripts/assets/encode_heic.sh <source_dir> [longest_edge] [quality] [output_dir]
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#
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# Examples:
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# bash scripts/assets/encode_heic.sh ~/Desktop
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# bash scripts/assets/encode_heic.sh ~/Desktop 1000 50
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# bash scripts/assets/encode_heic.sh ~/Desktop 1000 60 /tmp/heic-q60
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#
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# After running, MANUALLY review a representative sample by decoding a HEIC back
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# to PNG and comparing against its source:
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# sips -s format png /tmp/heic-out/sample.heic --out /tmp/sample.png
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# open /tmp/sample.png ~/Desktop/sample.png
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#
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# If quality is unacceptable, bump to q60 or q65 and re-run.
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set -euo pipefail
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SRC="${1:?Source directory required}"
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LONGEST_EDGE="${2:-1000}"
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QUALITY="${3:-50}"
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OUT="${4:-/tmp/heic-out}"
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if [[ ! -d "$SRC" ]]; then
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echo "Source directory does not exist: $SRC" >&2
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exit 1
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fi
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mkdir -p "$OUT"
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count=0
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total_in=0
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total_out=0
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shopt -s nullglob nocaseglob
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for f in "$SRC"/*.png "$SRC"/*.jpg "$SRC"/*.jpeg; do
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[[ -f "$f" ]] || continue
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name="$(basename "$f")"
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base="${name%.*}"
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out_path="$OUT/${base}.heic"
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in_size=$(stat -f%z "$f")
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sips -Z "$LONGEST_EDGE" -s format heic -s formatOptions "$QUALITY" "$f" --out "$out_path" >/dev/null 2>&1
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out_size=$(stat -f%z "$out_path")
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pct=$(( (in_size - out_size) * 100 / in_size ))
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printf " %-60s %8d → %6d B (-%d%%)\n" "$name" "$in_size" "$out_size" "$pct"
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count=$((count + 1))
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total_in=$((total_in + in_size))
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total_out=$((total_out + out_size))
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done
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shopt -u nullglob nocaseglob
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if (( count == 0 )); then
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echo "No PNG/JPEG files found in $SRC"
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exit 1
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fi
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saved=$((total_in - total_out))
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overall_pct=$(( saved * 100 / total_in ))
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echo ""
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echo "Processed $count file(s): $total_in → $total_out B (saved $saved B = $overall_pct%)"
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echo "Output: $OUT"
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echo ""
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echo "Now visually review a sample. Pick the file with the most text or strongest gradients:"
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echo " sips -s format png $OUT/<sample>.heic --out /tmp/sample-decoded.png"
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echo " open /tmp/sample-decoded.png $SRC/<sample>.png"
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