74 lines
2.3 KiB
Bash
Executable File
74 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env zsh
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# Generates trimmed raster images from SVGs in svg/.
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# Argument 1 is the file extension, default is webp.
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# Argument 2 is the size, default is to use the SVG size.
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setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL
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if ! type magick &> /dev/null; then
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print -Pu2 "%F{1}'magick' from imagemagick not found%f"
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return 1
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fi
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local ext=webp
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[[ ${ARGC} > 0 ]] && ext=${1}
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local size=-1
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[[ ${ARGC} > 1 ]] && size=${2}
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function gri_convert() {
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local svg=${1}
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local target=${svg##*/}
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target=${ext}/${target%.*}.${ext}
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magick -verbose -background none -quality 100 \
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${svg} -trim -resize ${size} ${target}
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if [[ ${ext} == "png" ]] && type pngcrush &> /dev/null; then
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pngcrush -ow ${target}
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fi
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}
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print -P "%F{12}generating ${ext} images in ${PWD}/${ext} …%f"
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mkdir -p ${ext}
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for svg in svg/*.svg; do
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gri_convert ${svg}
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done
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if ([[ ${ext} == "webp" ]] && type webpmux &> /dev/null) \
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|| ([[ ${ext} == "png" ]] && type apngasm &> /dev/null); then
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print -P "%F{12}generating animated emoji …%f"
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for cfg in svg/animated/*cfg; do
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local emojiname=${cfg##*/}
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emojiname=${emojiname%.*}
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local -a webpmux_args=()
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local -a apngasm_args=()
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while read line; do
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local -a framecfg=(${(@s: :)line})
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[[ ${framecfg[1][1]} == "#" ]] && continue
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if [[ ${framecfg[1]} == "loop" ]]; then
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webpmux_args+=(-loop ${framecfg[2]})
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apngasm_args+=(--loops ${framecfg[2]})
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break
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fi
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webpmux_args+=(-frame ${ext}/${framecfg[1]}.${ext}
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+${framecfg[2]}+0+0+0-b)
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apngasm_args+=(${ext}/${framecfg[1]}.${ext} ${framecfg[2]})
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gri_convert svg/animated/${framecfg[1]}.svg
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done < ${cfg}
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if [[ ${ext} == "webp" ]]; then
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webpmux -o ${ext}/a${emojiname}.${ext} ${webpmux_args}
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elif [[ ${ext} == "png" ]]; then
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apngasm --force --output ${ext}/a${emojiname}.${ext} ${apngasm_args}
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fi
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rm -v ${ext}/${emojiname}_*.${ext}
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done
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else
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print -P "%F{1}Not generating animated emoji." \
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"Animated emojis are only generated for webp (with webpmux)" \
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"and png (with apngasm)%f"
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fi
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