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@ -2,7 +2,7 @@ |
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set -e |
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set -e |
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dev=/dev/usb/lp0 |
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dev=/dev/usb/lp0 |
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image="$(magick "$1" -resize 256x -dither FloydSteinberg -remap pattern:gray50 pbm:- | base64)" |
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image="$(magick "$1" -resize 512x -dither FloydSteinberg -remap pattern:gray50 pbm:- | base64)" |
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data_header="$(echo "$image" | base64 -d | sed -n '2p')" |
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data_header="$(echo "$image" | base64 -d | sed -n '2p')" |
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data="$(echo "$image" | base64 -d | tail -n +3 | base64)" |
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data="$(echo "$image" | base64 -d | tail -n +3 | base64)" |
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@ -18,15 +18,15 @@ size_y="$(hex_size "$(echo "$data_header" | cut -d' ' -f 2)")" |
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# Upload graphics data |
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# Upload graphics data |
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printf '\x1D(L' > $dev |
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printf '\x1D(L' > $dev |
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printf "$size" > $dev |
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printf "$size" > $dev |
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printf '\x30\x70\x30' > $dev |
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printf '0p0' > $dev |
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printf '\x02\x02' > $dev # bx, by (1 or 2) |
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printf '\1\1' > $dev # bx, by (1 or 2) |
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printf '\x31' > $dev # color |
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printf '1' > $dev # color |
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printf "$size_x" > $dev # size x |
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printf "$size_x" > $dev # size x |
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printf "$size_y" > $dev # size y |
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printf "$size_y" > $dev # size y |
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echo "$data" | base64 -d > $dev |
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echo "$data" | base64 -d > $dev |
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# Print graphics data |
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# Print graphics data |
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printf '\x1D(L\x02\0\x30\x02' > $dev |
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printf '\x1D(L\2\00002' > $dev |
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# Cut paper |
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# Cut paper |
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printf '\n\n\x1DVA\0' > $dev |
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printf '\n\n\n\x1DVA\0' > $dev |
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