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47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
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#!/bin/sh
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#
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# gerb2pbm - Convert a single Gerber file to a Portable BitMap image
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#
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# Written 2011 by Werner Almesberger
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# Copyright 2011 Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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COPPER="(cons 'color #(65535 50401 10000))"
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PASTE="(cons 'color #(39083 39083 50000))"
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MASK="(cons 'inverted #t) (cons 'color #(8839 53994 8178))"
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SILK="(cons 'color #(65535 65535 65535))"
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EDGE="(cons 'color #(65535 65535 0))"
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DRILL="(cons 'color #(0 0 40000))"
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FRONT="(cons 'color #(65535 10000 10000))"
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BACK="(cons 'color #(30000 65535 30000))"
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EDGE2="(cons 'color #(30000 40000 65535))"
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usage()
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{
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cat <<EOF 1>&2
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usage: $0 gerber-file pbm-file
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EOF
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exit 1
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}
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[ ! "$2" -o "$3" ] && usage
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cat <<EOF >_gvp
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(define-layer! 1
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(cons 'filename "$1")
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(cons 'color #(65535 65535 65535)))
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(set-render-type! 2)
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EOF
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gerbv -p _gvp --dpi=600 -x png -o _png
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pngtopnm _png | ppmtopgm | pgmtopbm -threshold >"$2"
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rm -f _gvp _png
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