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44 lines
1.4 KiB
44 lines
1.4 KiB
9 years ago
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#!/usr/bin/env bash
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if ! command -v svgo >/dev/null
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then
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echo "Please install svgo: npm install svgo"
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exit 1
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fi
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# regarding convertStyleToAttrs, see: https://github.com/svg/svgo/issues/489
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# regarding convertPathData, see: https://github.com/svg/svgo/issues/490
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ARGS="--pretty --disable=convertStyleToAttrs --disable=convertPathData"
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function generatePng {
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inkscape -z -D $1 --export-png=$2 --export-width=200 --export-background=transparent > /dev/null
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}
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# args: pngA pngB final.svg temp.svg
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function evaluateOptimization {
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# that regex is to just take A from "A (B)"
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res=`compare -metric MAE $1 $2 /dev/null 2>&1 | sed "s/^\\([0-9]*\\).*/\\1/"` #-fuzz 5
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if [ "$res" -gt 100 ]; then
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echo "huuuuge difference of $res in $3"
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else
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mv $4 $3
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fi
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}
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find . -name "*.svg" -size 4k -print0 | while IFS= read -r -d '' file
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do
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echo "doing... $file"
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generatePng "$file" /tmp/A.png
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svgo -i "$file" -o "$file".tmp.svg $ARGS
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generatePng "$file".tmp.svg /tmp/B.png
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evaluateOptimization /tmp/A.png /tmp/B.png "$file" "$file".tmp.svg
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done
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find . -name "*.svgz" -print0 | while IFS= read -r -d '' file
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do
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echo "z-doing... $file"
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generatePng "$file" /tmp/A.png
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gunzip "$file" -S .svgz -c | svgo -i - $ARGS | gzip -c > "$file".tmp.svgz
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generatePng "$file".tmp.svgz /tmp/B.png
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evaluateOptimization /tmp/A.png /tmp/B.png "$file" "$file".tmp.svgz
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done
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