proton-bridge/utils/export_icons.sh

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# Copyright (c) 2024 Proton AG
#
# This file is part of Proton Mail Bridge.
#
# Proton Mail Bridge is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Proton Mail Bridge is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
RAW_PATHS=./dist/raw
create_bitmaps(){
rm -f ${RAW_PATHS}/win+lin_icon_*.png
export_png ${RAW_PATHS}/win+lin_icon_256x256.svg 192 256
}
# Inkscape (more precisely cairo) doesn't support customization of rendering
# and direct output is too sharp. Therefore, we double DPI for inkscape export
# and then scale down to correct dimension.
export_png(){
inSVG=$1
dpi=$2
size=$3
dimensions=${size}x${size}
outPNG=$(echo "$inSVG" | sed 's/\(.*_icon\)_.*/\1/')_${dimensions}.png
echo "$inSVG -> $outPNG $dpi $dimensions"
inkscape "$inSVG" --export-filename=tmp.png --export-dpi "$dpi"
file tmp.png
convert tmp.png -resize "$dimensions" "$outPNG"
file "$outPNG"
rm tmp.png
}
create_mac_icon(){
out=./dist/Bridge.icns
rm -f ${out}
# ${RAW_PATHS}/mac_icon_256x256@2x.png Duplicate icon element of type ic09
# ${RAW_PATHS}/mac_icon_128x128@2x.png Duplicate icon element of type ic08
# ${RAW_PATHS}/mac_icon_32x32@2x.png Bad dimensions: PNG file is 64x64
# ${RAW_PATHS}/mac_icon_16x16@2x.png Duplicate icon element of type il32
png2icns ${out} \
${RAW_PATHS}/mac_icon_512x512@2x.png \
${RAW_PATHS}/mac_icon_512x512.png \
${RAW_PATHS}/mac_icon_256x256.png \
${RAW_PATHS}/mac_icon_128x128.png \
${RAW_PATHS}/mac_icon_32x32.png \
${RAW_PATHS}/mac_icon_16x16.png
}
create_windows_icon(){
out=./dist/bridge.ico
rm -f ${out}
convert \
${RAW_PATHS}/win+lin_icon_256x256.png \
-define icon:auto-resize=256,128,64,48,32,16 ${out}
}
create_linux_icon(){
out=./dist/bridge.svg
rm -f ${out}
cp ${RAW_PATHS}/win+lin_icon_256x256.svg ${out}
}
create_bitmaps
create_mac_icon
create_windows_icon
create_linux_icon