how do I make a multi resolution .ico file?

[agent.coulson]

thanks, now with this command

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magick "%~1" -resize 256x256 -gravity center -extent 256x256 -define icon:auto-resize="256,128,96,64,48,32,16" "%~n1.ico"

i get this http://uptobox.com/0x6umc2kj8wd



how to make the white color to tranparent?

[fmw42]

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magick "%~1" -resize 256x256 -gravity center -background none -extent 256x256 -define icon:auto-resize="256,128,96,64,48,32,16" "%~n1.ico"

[agent.coulson]

thanks..

[Froschkoenig84]

Windows batch file, which creates multiple sized .PNGs and merge them to one .ICO file:

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@echo off

set inkScape="C:\SOFTWARE\GRAPHIC\INKSCAPE\inkscape.exe"
set imageMagick="C:\SOFTWARE\DEVELOPER\IMAGEMAGICK\magick.exe"
set fileName=favicon
set importType=svg
set exportType=png
set exportDpi=300
set imageSizes=(16 24 32 48 57 60 64 70 72 76 96 114 120 128 144 150 152 180 192 196 256 300 320 400 450 460 480 512 600)

for %%s in %imageSizes% do (
 %inkScape% -z -f %~dp0%fileName%.%importType% -w %%s -h %%s -e %~dp0%fileName%-%%sx%%s.%exportType% -d %exportDpi%
 echo CREATED: %fileName%-%%sx%%s.%exportType%
 set e=%fileName%-%%sx%%s.%exportType%
 call :concat (e)
)

%imageMagick% %exportFileNames%"%~dp0%fileName%.ico"
echo MERGED IN: %fileName%.ico

pause goto :eof


:concat (e) (
 set exportFileNames=%exportFileNames%"%~dp0%e%" 
)

If you don't need the .PNG files, you can delete (or remove) them by...

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del FILE

...or you save all PNGs inside a directory you can remove after...

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%imageMagick% %exportFileNames%"%~dp0%fileName%.ico"

Hope it helps somebody.