chore: outils preview, mesure, design system et Dockerfile

2026-07-09 22:03:15 +02:00
parent 44424b2c72
commit 0008bf5832
7 changed files with 1541 additions and 0 deletions
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+# Dockerfile — conteneur sliding-preview · Chantier C2
+# PPTX → PDF → PNG par slide, sur GrosseBertha (ARM64, DSM 7.3.2).
+# Polices : Carlito/Caladea (métriquement compatibles Calibri/Cambria)
+# installées dans l'image ; les TTF PR réelles peuvent être montées en
+# volume sur /fonts (prioritaires, voir preview_inner.sh).
+#
+# Build (dossier docker/preview/, single-line) :
+#   docker build -t sliding-preview .
+
+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        libreoffice-impress \
+        poppler-utils \
+        fontconfig \
+        fonts-crosextra-carlito \
+        fonts-crosextra-caladea \
+        fonts-liberation \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+COPY preview_inner.sh /usr/local/bin/preview_inner.sh
+RUN chmod +x /usr/local/bin/preview_inner.sh
+
+ENTRYPOINT ["/usr/local/bin/preview_inner.sh"]
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+#!/bin/sh
+# preview_inner.sh — exécuté DANS le conteneur sliding-preview · Chantier C2
+# Usage : preview_inner.sh /work/chemin/deck.pptx [dpi]
+# Produit : <dossier du pptx>/<nom>_previews/slide-NN.png + index.html
+set -e
+
+PPTX="$1"
+DPI="${2:-110}"
+
+if [ -z "$PPTX" ] || [ ! -f "$PPTX" ]; then
+    echo "preview_inner: fichier introuvable: $PPTX" >&2
+    exit 1
+fi
+
+# Polices PR réelles montées en volume (prioritaires sur Carlito/Caladea)
+if [ -d /fonts ]; then
+    mkdir -p /usr/local/share/fonts/custom
+    cp -f /fonts/*.ttf /fonts/*.TTF /fonts/*.otf \
+        /usr/local/share/fonts/custom/ 2>/dev/null || true
+    fc-cache -f >/dev/null 2>&1 || true
+fi
+
+BASE=$(basename "$PPTX" .pptx)
+DIR=$(dirname "$PPTX")
+OUT="$DIR/${BASE}_previews"
+TMP=/tmp/lo
+mkdir -p "$OUT" "$TMP"
+rm -f "$OUT"/slide-*.png "$OUT/index.html"
+
+# 1. PPTX → PDF (profil LibreOffice jetable : pas de lock, RAM contenue)
+echo "preview_inner: conversion PDF ($BASE)..."
+soffice --headless --norestore \
+    -env:UserInstallation=file:///tmp/louser \
+    --convert-to pdf --outdir "$TMP" "$PPTX" >/dev/null
+
+PDF="$TMP/$BASE.pdf"
+if [ ! -f "$PDF" ]; then
+    echo "preview_inner: la conversion PDF a échoué." >&2
+    exit 2
+fi
+
+# 2. PDF → PNG par page
+echo "preview_inner: rasterisation PNG (${DPI} dpi)..."
+pdftoppm -png -r "$DPI" "$PDF" "$OUT/slide"
+
+# 3. Normalisation slide-N.png → slide-0N.png (decks < 10 slides)
+for f in "$OUT"/slide-?.png; do
+    [ -f "$f" ] || continue
+    n=$(basename "$f")
+    mv "$f" "$OUT/slide-0${n#slide-}"
+done
+
+# 4. Galerie index.html (consultable via File Station ou partage web)
+{
+    printf '%s\n' '<!doctype html><html><head><meta charset="utf-8">'
+    printf '<title>%s</title>\n' "$BASE"
+    printf '%s\n' '<style>body{font-family:Calibri,Carlito,sans-serif;background:#F4F1EC;margin:20px;color:#2B3440}h1{color:#061033;font-size:22px}div.g{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}figure{margin:0;background:#fff;padding:8px;border-radius:6px;box-shadow:0 1px 4px rgba(6,16,51,.15)}img{width:100%;display:block}figcaption{text-align:center;color:#46505A;font-size:13px;padding-top:6px}</style></head><body>'
+    printf '<h1>%s</h1><div class=g>\n' "$BASE"
+    for f in "$OUT"/slide-*.png; do
+        n=$(basename "$f")
+        printf '<figure><img src="%s" loading="lazy"><figcaption>%s</figcaption></figure>\n' "$n" "$n"
+    done
+    printf '%s\n' '</div></body></html>'
+} > "$OUT/index.html"
+
+rm -f "$PDF"
+NB=$(ls "$OUT"/slide-*.png 2>/dev/null | wc -l | tr -d ' ')
+echo "preview_inner: $NB slides -> $OUT"