26 lines
654 B
Bash
26 lines
654 B
Bash
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#!/bin/bash
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# banner-to-dotmatrix.sh - Convert image to LQ-350 full-width ESC/P2 raster
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INPUT_FILE="${1}"
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OUTPUT_BIN="${INPUT_FILE%.*}-lq350.bin"
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if [ -z "${INPUT_FILE}" ]; then
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echo "Usage: ${0} input.jpg"
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exit 1
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fi
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echo ${INPUT_FILE}
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echo ${OUTPUT_BIN}
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convert ${INPUT_FILE} -resize 2650x -density 360x180 -monochrome -dither FloydSteinberg -compress none \
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pbm:- | pbmtoescp2 -resolution=360 > "$OUTPUT_BIN"
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# Optional: prepend ESC/P2 reset
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printf '\x1B\x40' > init.bin
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cat init.bin "$OUTPUT_BIN" > print-ready.bin
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lp -d EPSON_LQ-350 -o raw print-ready.bin
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# Clean up temp files (uncomment if desired)
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# rm init.bin print-ready.bin
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