GODT-1565: Update Bridge application icons.

utils/export_icons.sh

@@ -0,0 +1,79 @@
+# Copyright (c) 2022 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}/*_icon_*.png
+
+    export_png ${RAW_PATHS}/mac_icon_512x512.svg 384 1024
+    export_png ${RAW_PATHS}/mac_icon_512x512.svg 192 512
+    export_png ${RAW_PATHS}/mac_icon_512x512.svg 96  256
+    export_png ${RAW_PATHS}/mac_icon_256x256.svg 96  128
+    export_png ${RAW_PATHS}/mac_icon_32x32.svg   192 32
+    export_png ${RAW_PATHS}/mac_icon_32x32.svg   96  16
+
+    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}
+    png2icns ${out} \
+        ${RAW_PATHS}/mac_icon_{1024x1024,512x512,256x256,128x128,32x32,16x16}.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