69 lines
2.5 KiB
Bash
69 lines
2.5 KiB
Bash
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#!/bin/sh
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# preview_inner.sh — exécuté DANS le conteneur sliding-preview · Chantier C2
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# Usage : preview_inner.sh /work/chemin/deck.pptx [dpi]
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# Produit : <dossier du pptx>/<nom>_previews/slide-NN.png + index.html
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set -e
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PPTX="$1"
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DPI="${2:-110}"
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if [ -z "$PPTX" ] || [ ! -f "$PPTX" ]; then
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echo "preview_inner: fichier introuvable: $PPTX" >&2
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exit 1
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fi
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# Polices PR réelles montées en volume (prioritaires sur Carlito/Caladea)
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if [ -d /fonts ]; then
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mkdir -p /usr/local/share/fonts/custom
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cp -f /fonts/*.ttf /fonts/*.TTF /fonts/*.otf \
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/usr/local/share/fonts/custom/ 2>/dev/null || true
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fc-cache -f >/dev/null 2>&1 || true
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fi
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BASE=$(basename "$PPTX" .pptx)
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DIR=$(dirname "$PPTX")
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OUT="$DIR/${BASE}_previews"
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TMP=/tmp/lo
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mkdir -p "$OUT" "$TMP"
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rm -f "$OUT"/slide-*.png "$OUT/index.html"
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# 1. PPTX → PDF (profil LibreOffice jetable : pas de lock, RAM contenue)
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echo "preview_inner: conversion PDF ($BASE)..."
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soffice --headless --norestore \
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-env:UserInstallation=file:///tmp/louser \
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--convert-to pdf --outdir "$TMP" "$PPTX" >/dev/null
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PDF="$TMP/$BASE.pdf"
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if [ ! -f "$PDF" ]; then
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echo "preview_inner: la conversion PDF a échoué." >&2
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exit 2
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fi
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# 2. PDF → PNG par page
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echo "preview_inner: rasterisation PNG (${DPI} dpi)..."
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pdftoppm -png -r "$DPI" "$PDF" "$OUT/slide"
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# 3. Normalisation slide-N.png → slide-0N.png (decks < 10 slides)
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for f in "$OUT"/slide-?.png; do
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[ -f "$f" ] || continue
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n=$(basename "$f")
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mv "$f" "$OUT/slide-0${n#slide-}"
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done
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# 4. Galerie index.html (consultable via File Station ou partage web)
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{
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printf '%s\n' '<!doctype html><html><head><meta charset="utf-8">'
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printf '<title>%s</title>\n' "$BASE"
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printf '%s\n' '<style>body{font-family:Calibri,Carlito,sans-serif;background:#F4F1EC;margin:20px;color:#2B3440}h1{color:#061033;font-size:22px}div.g{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}figure{margin:0;background:#fff;padding:8px;border-radius:6px;box-shadow:0 1px 4px rgba(6,16,51,.15)}img{width:100%;display:block}figcaption{text-align:center;color:#46505A;font-size:13px;padding-top:6px}</style></head><body>'
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printf '<h1>%s</h1><div class=g>\n' "$BASE"
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for f in "$OUT"/slide-*.png; do
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n=$(basename "$f")
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printf '<figure><img src="%s" loading="lazy"><figcaption>%s</figcaption></figure>\n' "$n" "$n"
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done
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printf '%s\n' '</div></body></html>'
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} > "$OUT/index.html"
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rm -f "$PDF"
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NB=$(ls "$OUT"/slide-*.png 2>/dev/null | wc -l | tr -d ' ')
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echo "preview_inner: $NB slides -> $OUT"
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