95 lines
2.6 KiB
Bash
Executable file
95 lines
2.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# set -vx
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# Copyright (C) 2022 Brian Hayes
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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 Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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printhelp() {
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cat << EOM
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usage: dye [-h|-r] [color_code]
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options:
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-x hex code to rgb
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-r rgb to hex
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examples:
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dye -x "#FFFFFF"
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dye -r 255 255 255
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EOM
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exit 1
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}
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hex_to_rgb() {
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: "${1/\#}"
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((r=16#${_:0:2},g=16#${_:2:2},b=16#${_:4:2}))
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printf '%s\n' "rgba($r, $g, $b)"
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}
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rgb_to_hex() {
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printf '#%02x%02x%02x\n' "$1" "$2" "$3"
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}
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error() {
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printf "error: %s\n" "$1" 1>&2
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${2:+exit $2}
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}
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dependencycheck() {
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local dep missingdependencies=0
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for dep in "$@" ; do
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if ! command -v "$dep" &> /dev/null ; then
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error "dependency not met: $dep"
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fi
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done
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if [[ $missingdependencies -gt 0 ]] ; then
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exit 1
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fi
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}
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main() {
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while getopts ":x:r:?" arg; do
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case $arg in
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x)
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rgbaval=$(hex_to_rgb "${2:-''}")
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printf "%s\n" "$rgbaval"
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read -e -r -p "save code to clipboard?(y/n): " clipit
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if [[ "$clipit" == "yes" || "$clipit" == "y" ]]; then
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dependencycheck xclip
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printf "%s" "$rgbaval" | xclip -sel clip
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fi
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;;
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r)
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hexval=$(rgb_to_hex "${2:-''}")
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printf "%s\n" "$hexval"
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read -e -r -p "save code to clipboard?(y/n): " clipit
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if [[ "$clipit" == "yes" || "$clipit" == "y" ]]; then
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dependencycheck xclip
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printf "%s" "$hexval" | xclip -sel clip
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fi
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;;
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?)
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printhelp
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;;
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esac
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done
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}
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main "$@"
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# Credits:
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# hex_to_rgb() and rgb_to_hex() taken from Akash Mittal:
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# https://akashmittal.com/code-example-convert-hex-color-to-rgb-rgb-to-hex-using-bash-script/
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# https://www.linkedin.com/in/akashrishimittal/
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#
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# error() and dependencycheck() copied from tomocafe:
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# https://github.com/tomocafe
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