How can i find the file type after loading NSImage withContentsOfFile
I need to know which image file type was used in the file i loaded with "initWithConte开发者_开发知识库ntsOfFie" because i don't want to trust the file extension.
Unfortunately i can't find anything about the format in NSImage and NSImageRep,
NSImage
doesn't keep that information, because it's of no further use. You'll need to drop down to CGImageSource
to get the info you want.
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