lewis
a93138e1bf
World-class HTML presentation skill with keyboard navigation, theme/animation switching, headless Chrome rendering, and showcase decks for themes/layouts/animations. - 24 themes (minimal-white, dracula, catppuccin, tokyo-night, xiaohongshu-white, …) - 31 single-page layouts (cover, code, charts, timeline, gantt, mindmap, …) - 20+ named animations (rise-in, typewriter, confetti-burst, card-flip-3d, …) - theme/layout/animation showcase decks - runtime.js: arrow/space/F/S/O/T/A keybinds, hash routing, progress bar - render.sh headless Chrome PNG export - MIT, author lewis <sudolewis@gmail.com>
72 lines
1.7 KiB
Bash
Executable File
72 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# html-ppt :: render.sh — headless Chrome screenshot(s)
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#
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# Usage:
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# render.sh <html-file> # one PNG, slide 1
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# render.sh <html-file> <N> # N PNGs, slides 1..N, via #/k
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# render.sh <html-file> all # autodetect .slide count
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# render.sh <html-file> <N> <out-dir> # custom output dir
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#
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# Requires: Google Chrome at /Applications/Google Chrome.app (macOS).
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set -euo pipefail
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CHROME="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
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if [[ ! -x "$CHROME" ]]; then
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echo "error: Chrome not found at $CHROME" >&2
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exit 1
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fi
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FILE="${1:-}"
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if [[ -z "$FILE" ]]; then
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echo "usage: render.sh <html> [N|all] [out-dir]" >&2
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exit 1
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fi
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if [[ ! -f "$FILE" ]]; then
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echo "error: $FILE not found" >&2
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exit 1
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fi
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COUNT="${2:-1}"
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OUT="${3:-}"
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ABS="$(cd "$(dirname "$FILE")" && pwd)/$(basename "$FILE")"
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STEM="$(basename "${FILE%.*}")"
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if [[ "$COUNT" == "all" ]]; then
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COUNT="$(grep -c 'class="slide"' "$FILE" || true)"
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[[ -z "$COUNT" || "$COUNT" -lt 1 ]] && COUNT=1
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fi
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if [[ -z "$OUT" ]]; then
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if [[ "$COUNT" -gt 1 ]]; then
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OUT="$(dirname "$FILE")/${STEM}-png"
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mkdir -p "$OUT"
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fi
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fi
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render_one() {
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local url="$1" target="$2"
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"$CHROME" \
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--headless=new \
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--disable-gpu \
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--hide-scrollbars \
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--no-sandbox \
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--virtual-time-budget=4000 \
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--window-size=1920,1080 \
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--screenshot="$target" \
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"$url" >/dev/null 2>&1
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echo " ✔ $target"
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}
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if [[ "$COUNT" == "1" ]]; then
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OUT_FILE="${OUT:-$(dirname "$FILE")/${STEM}.png}"
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render_one "file://$ABS" "$OUT_FILE"
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else
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for i in $(seq 1 "$COUNT"); do
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render_one "file://$ABS#/$i" "$OUT/${STEM}_$(printf '%02d' "$i").png"
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done
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fi
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echo "done: rendered $COUNT slide(s) from $FILE"
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