122 lines
4.0 KiB
Bash
122 lines
4.0 KiB
Bash
#!/bin/sh
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# extract-vector-icon.sh
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# Copyright (C) 2016 Jehan
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#
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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 General Public License as published by
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# 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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#
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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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# This script generates a new SVG file by extracting a single object by
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# its id, from a source SVG, and updating the viewBox (canvas) size and
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# position.
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usage ()
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{
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printf "Usage: extract-vector-icon.sh source icon-name [width height]\n"
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printf "Create the file 'icon-name.svg' from the \`source\` SVG.\n"
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}
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if [ "$#" != 2 ]; then
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if [ "$#" != 4 ]; then
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usage
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exit 1
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fi
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fi
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# The script is run from $(top_builddir)/icons/*/
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compute_viewbox="$(pwd)/../../tools/compute-svg-viewbox"
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source="$1"
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id="$2"
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if [ "$#" = 4 ]; then
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# The expected display width/height for the image.
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width="$3"
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height="$4"
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else
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# We base the design of our scalable icons on 16x16 pixels.
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width="16"
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height="16"
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fi
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# Extract the icon code.
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#icon=`xmllint "$source" --xpath '//*[local-name()="g" and @id="'$id'"]'`
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icon=`xmllint "$source" --xpath '//*[@id="'$id'"]' --noblanks`
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# Get rid of any transform on the top node to help librsvg.
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#icon=`echo $icon | sed 's/^\(<[^>]*\) transform="[^"]*"/\1/'`
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if [ $? -ne 0 ]; then
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>&2 echo "extract-vector-icon.sh: object id \"$id\" not found in \"$source\" ";
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exit 1;
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fi;
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# Add !important to any object with label "color-important".
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icon=`echo $icon | sed 's/<\([^<>]*\)style="\([^"]*\)fill:\([^;"]*\)\([^"]*\)"\([^<>]*\)inkscape:label="color-important"\([^>]*\)>/<\1style="\2fill:\3 !important\4"\5\6>/'`
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icon=`echo $icon | sed 's/<\([^<>]*\)inkscape:label="color-important"\([^>]*\)style="\([^"]*\)fill:\([^;"]*\)\([^"]*\)"\([^<>]*\)>/<\1\2style="\3fill:\4 !important\5"\6>/'`
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# The typical namespaces declared at start of a SVG made with Inkscape.
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# Since we are not sure of what namespace will use the object XML, and
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# since we don't want to end up with invalid XML, we just keep them all
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# declared here.
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svg_start='<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!-- Created by PIKA build. -->
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<svg
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xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:cc="http://creativecommons.org/ns#"
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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version="1.1"
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'
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# Grab the defined color palette.
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defs=`xmllint "$source" --xpath '//*[local-name()="defs"]'`
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# Create a temporary SVG file with the main information.
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svg_temp="`mktemp ./${id}-XXXX.svg`"
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echo "$svg_start>$defs$icon</svg>" > $svg_temp
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x=0
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y=0
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# In case the source SVG has a viewBox not starting at (0, 0), get
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# the current origin coordinates.
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#viewBox=`xmllint $svg_temp --xpath '/*[local-name()="svg"]/@viewBox'`
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#if [ $? -eq 0 ]; then
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# x=`echo $viewBox| sed 's/ *viewBox *= *"\([0-9]\+\) .*$/\1/'`
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# y=`echo $viewBox| sed 's/ *viewBox *= *"[0-9]\+ \+\([0-9]\+\).*$/\1/'`
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#fi;
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# Compute the viewBox that we want to set to our generated SVG.
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viewBox=`$compute_viewbox "$svg_temp" "$id" $x $y`
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if [ $? -ne 0 ]; then
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>&2 echo "extract-vector-icon.sh: error running \`$compute_viewbox "$tmp" "$id" $x $y\`.";
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rm -f $svg_temp
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exit 1;
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fi;
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rm -f $svg_temp
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# The finale SVG file with properly set viewBox.
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svg="$svg_start $viewBox"
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if [ "$#" = 5 ]; then
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svg="$svg
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width=\"$width\"
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height=\"$height\""
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fi
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svg="$svg>
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<title>$id</title>
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$defs
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$icon
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</svg>"
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echo "$svg"
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