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#!/bin/bash
if [[ $# -lt 3 ]]; then
echo "$0: size input_file_name output_file_name"
exit 255
fi
SIZE="$1"
INPUT_FILE_NAME="$2"
OUTPUT_FILE_NAME="$3"
CHOPPED_FILE_CONTENT="$(head --lines=36 "$INPUT_FILE_NAME")"
if TMP_FILE="$(mktemp --tmpdir tumbler-text-XXXXXX)"; then
convert -size 210x254 \
-background "#fffaed" \
-fill black \
-border 1x1 -bordercolor "#00aaff" \
-font "Liberation-Mono" -pointsize 5 \
label:"$CHOPPED_FILE_CONTENT" "$TMP_FILE"
if [[ $SIZE -lt 256 ]]; then
convert -thumbnail "${SIZE}x${SIZE}" -define png:compression-level=3 \
"$TMP_FILE" "$OUTPUT_FILE_NAME"
else
cat "$TMP_FILE" > "$OUTPUT_FILE_NAME"
fi
rm "$TMP_FILE"
exit 0
else
exit 1
fi
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