Re: NSImage to JPEG file?
Re: NSImage to JPEG file?
- Subject: Re: NSImage to JPEG file?
- From: Carl Hoefs <email@hidden>
- Date: Wed, 16 Jan 2019 09:32:26 -0700
Thanks Wim and Gerd. It was the NSData tie-in I didn't know. (I was expecting
NSImage to have innate export capabilities, but this works too.)
-Carl
> On Jan 16, 2019, at 7:56 AM, Wim Lewis <email@hidden> wrote:
>
> On Tue, Jan 15, 2019 at 08:10:58PM -0700, Carl Hoefs wrote:
>> Using NSBitmapImageRep, is it possible to write the JPEG representation out
>> to a .JPG file on disk?
>
> The normal way is to get the JPEG representation as a NSData and then
> write that NSData to disk using (e.g.) -writeToFile:options:error:.
>
> The ImageIO functions allow you to stream the data to disk (instead of
> creating a complete representation in memory before writing), which can
> be more efficient, but in my experience this is rarely a concern.
>
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