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70 lines
2.6 KiB
Bash
Executable file
70 lines
2.6 KiB
Bash
Executable file
# Copyright 2017 Vector Creations Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# genflags.sh - Generates pngs for use with CountryDropdown.js
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#
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# Dependencies:
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# - imagemagick --with-rsvg (because default imagemagick SVG
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# renderer does not produce accurate results)
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#
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# on macOS, this is most easily done with:
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# brew install imagemagick --with-librsvg
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#
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# This will clone the googlei18n flag repo before converting
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# all phonenumber.js-supported country flags (as SVGs) into
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# PNGs that can be used by CountryDropdown.js.
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# Allow CTRL+C to terminate the script
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trap "echo Exited!; exit;" SIGINT SIGTERM
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# git clone the google repo to get flag SVGs
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git clone git@github.com:googlei18n/region-flags
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for f in region-flags/svg/*.svg; do
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# Skip state flags
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if [[ $f =~ [A-Z]{2}-[A-Z]{2,3}.svg ]] ; then
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echo "Skipping state flag "$f
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continue
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fi
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# Skip countries not included in phonenumber.js
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if [[ $f =~ (AC|CP|DG|EA|EU|IC|TA|UM|UN|XK).svg ]] ; then
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echo "Skipping non-phonenumber supported flag "$f
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continue
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fi
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# Run imagemagick convert
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# -background none : transparent background
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# -resize 50x30 : resize the flag to have a height of 15px (2x)
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# By default, aspect ratio is respected so the width will
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# be correct and not necessarily 25px.
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# -filter Lanczos : use sharper resampling to avoid muddiness
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# -gravity Center : keep the image central when adding an -extent
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# -border 1 : add a 1px border around the flag
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# -bordercolor : set the border colour
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# -extent 54x54 : surround the image with padding so that it
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# has the dimensions 27x27px (2x).
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convert $f -background none -filter Lanczos -resize 50x30 \
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-gravity Center -border 1 -bordercolor \#e0e0e0 \
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-extent 54x54 $f.png
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# $f.png will be region-flags/svg/XX.svg.png at this point
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# Extract filename from path $f
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newname=${f##*/}
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# Replace .svg with .png
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newname=${newname%.svg}.png
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# Move the file to flags directory
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mv $f.png ../res/flags/$newname
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echo "Generated res/flags/"$newname
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done
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