65 lines
1.9 KiB
Bash
65 lines
1.9 KiB
Bash
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#!/usr/bin/env bash
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# A simple script to make it easy for me to crop newly found wallpapers
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# to size, for one 1920x1080 screen on the left and one on the right.
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# The resulting images can be used with wallpaper programs (e.g. swww)
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# to nicely display per monitor without stretching.
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#
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# Usage: wallcrop.sh path/to/my/imagefile.jpg
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# It will drop two cut versions in the same directory and tell you where
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# they are.
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# TODO check image dimensions and warn user if not 3840x1080, or at least if smaller than cropped area
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main() {
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fullname="$1"
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filename=$(basename -- "$fullname")
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pathonly=${fullname/$filename/}
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extension="${filename##*.}"
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filename="${filename%.*}"
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out_left="${pathonly}${filename}_l.$extension"
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out_right="${pathonly}${filename}_r.$extension"
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printf "input: %s\noutput left:%s\noutput right: %s\n" "$fullname" "$out_left" "$out_right"
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gm convert "$fullname" -crop 1920x1080+0+0 "$out_left"
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gm convert "$fullname" -crop 1920x1080+1920+0 "$out_right"
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}
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usage="$(basename "$0") [-h] path/to/my/imagefile.jpg -- Simple image cropper for dual screen 1920x1080 setups.
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A simple script to make it easy for me to crop newly found wallpapers
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to size, for one 1920x1080 screen on the left and one on the right.
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The resulting images can be used with wallpaper programs (e.g. swww)
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to nicely display per monitor without stretching.
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-h show this help text
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It will drop two cut versions in the same directory and tell you where
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they are."
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while getopts ':h' option; do
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case "$option" in
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h)
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echo "$usage"
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exit
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;;
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:)
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printf "missing argument for -%s\n" "$OPTARG" >&2
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echo "$usage" >&2
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exit 1
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;;
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\?)
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printf "illegal option: -%s\n" "$OPTARG" >&2
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echo "$usage" >&2
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exit 1
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;;
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esac
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done
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shift $((OPTIND - 1))
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if [ "$#" -ne 1 ]; then
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echo "$usage" >&2
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exit 1
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fi
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main "$1"
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