43 lines
1.0 KiB
Plaintext
43 lines
1.0 KiB
Plaintext
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#!/usr/bin/env zsh
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# Output commands to generate animated images from files
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setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL
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zmodload zsh/zutil
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local -a o_help=()
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local -a o_delay=()
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local -a o_blend=()
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zparseopts -D -K -- h=o_help -help=o_help -delay:=o_delay -blend=o_blend
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if [[ ${#o_help} -ne 0 || ! -v 1 ]]; then
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local ret=$(( ${#o_help} ^ 1 ))
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print -u $(( 1 + ${ret} )) \
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"usage: ${0} [-h|--help] [--delay MILLISECONDS] [--blend]" "<FILES>"
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return ${ret}
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fi
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local delay=100
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[[ ${#o_delay} -eq 2 ]] && delay=${o_delay[2]}
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local blend="-b"
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[[ ${#o_help} -ne 0 ]] && blend="+b"
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local -a cmd
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if [[ ${1##*.} == "webp" ]]; then
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cmd=(webpmux -o output.webp)
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for file in ${@}; do
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cmd+=(-frame ${file} +${delay}+0+0+0${blend})
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done
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elif [[ ${1##*.} == "png" ]]; then
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cmd=(apngasm --output output.png)
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for file in ${@}; do
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cmd+=(${file} ${delay})
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done
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else
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print -u 2 "file format not supported"
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return 1
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fi
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if [[ -o INTERACTIVE ]]; then
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print -z "" ${cmd}
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else
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print "" ${cmd}
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fi
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