third_party/jbig2/update.sh

#!/bin/bash

set -eu

SERENITY=$HOME/src/serenity

CORPUS_DIR=$(dirname "$0")
ROOT="$CORPUS_DIR"/../../../..

mkdir -p "$CORPUS_DIR"

# Convert jbig2 files to .pdf files.
for f in "$SERENITY"/Tests/LibGfx/test-inputs/jbig2/json/*.json; do
  if [[ "$f" == *annex-h.json ]]; then
    continue
  fi

  f_jbig2="$SERENITY"/Tests/LibGfx/test-inputs/jbig2//$(basename "${f%.*}.jbig2")
  f_pdf="$CORPUS_DIR"/$(basename "${f%.*}.pdf")
  "$SERENITY"/Meta/jbig2_to_pdf.py -o "$f_pdf" "$f_jbig2"
done

# Render one PDF to png.
TEMP_DIR=$(mktemp -d)
trap 'rm -rf "$TEMP_DIR"' EXIT

for f in "$CORPUS_DIR"/*.pdf; do
  ONE_PDF=$f
  break
done

echo "$ROOT"/out/gn/pdfium_test --png "$ONE_PDF"
"$ROOT"/out/gn/pdfium_test --png "$ONE_PDF"

mv "$ONE_PDF".0.png "$TEMP_DIR"/output.png
echo optipng "$TEMP_DIR"/output.png
optipng "$TEMP_DIR"/output.png

# Copy png to expectations files.
for f in "$CORPUS_DIR"/*.pdf; do
  f_png="$CORPUS_DIR"/$(basename "${f%.*}")_expected.pdf.0.png
  echo cp "$TEMP_DIR"/output.png "$f_png"
  cp "$TEMP_DIR"/output.png "$f_png"
done

# Add files.
git -C "$CORPUS_DIR" add '*.pdf'
git -C "$CORPUS_DIR" add '*.png'

echo 'All done. See `git -C' "$CORPUS_DIR" 'diff --staged`.'