"BMP4" is the newer format. Try BMP2 or BMP3 instead, to get an older format.
How to convert between bitmap (.bmp) file format types using mogrify?
문제
How can I convert these BMP files to an older format?
I tried:
mogrify -format bmp -define bmp:format=bmp4 *.bmp
But it didn't work.
해결책
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