> On Jan 16, 2019, at 10:43 AM, Jens Alfke <j...@mooseyard.com> wrote:
> 
>> On Jan 16, 2019, at 8:32 AM, Carl Hoefs <newsli...@autonomy.caltech.edu 
>> <mailto:newsli...@autonomy.caltech.edu>> wrote:
>> 
>> It was the NSData tie-in I didn't know. (I was expecting NSImage to have 
>> innate export capabilities
> 
> That would be poor API design. If it had -writeToFile, then it would also 
> need -writeToStream:, -writeToFileHandle:, -writeToFileDescriptor:, 
> -writeToNSURLSessionDataDelegate:, etc.
> Providing the data itself means you can then use existing APIs on other 
> classes to put the data anywhere you want.

But all of that would come "for free" if NSImage inherited from NSData, no?

-Carl


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