Any chance to see those few lines of code for NSimage ImageIO to jpeg? Thanks. Bruce.
> On 16 Jan 2019, at 7:00 am, cocoa-dev-requ...@lists.apple.com wrote: > > Send Cocoa-dev mailing list submissions to > cocoa-dev@lists.apple.com > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.apple.com/mailman/listinfo/cocoa-dev > or, via email, send a message with subject or body 'help' to > cocoa-dev-requ...@lists.apple.com > > You can reach the person managing the list at > cocoa-dev-ow...@lists.apple.com > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Cocoa-dev digest..." > > > Today's Topics: > > 1. NSImage to JPEG file? (Carl Hoefs) > 2. Re: NSImage to JPEG file? (Vince DeMarco) > 3. Re: NSImage to JPEG file? (Carl Hoefs) > 4. Re: NSImage to JPEG file? (Alex Zavatone) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 14 Jan 2019 13:17:41 -0700 > From: Carl Hoefs <newsli...@autonomy.caltech.edu> > To: Cocoa Developers <cocoa-dev@lists.apple.com> > Subject: NSImage to JPEG file? > Message-ID: > <13373da6-ece9-445d-9ff0-08a78393e...@autonomy.caltech.edu> > Content-Type: text/plain; CHARSET=US-ASCII > > I have a background macOS daemon process (aka Foundation-based "command line > tool") that needs to write out a JPEG file to local disk. The image resides > in an NSImage object (or alternatively, an NSData of raw RGB image data). > > Short of resorting to something like libjpeg, what is the ObjC way to do this? > > -Carl > > > > ------------------------------ > > Message: 2 > Date: Mon, 14 Jan 2019 12:26:08 -0800 > From: Vince DeMarco <dema...@apple.com> > To: Carl Hoefs <newsli...@autonomy.caltech.edu> > Cc: Cocoa Developers <cocoa-dev@lists.apple.com> > Subject: Re: NSImage to JPEG file? > Message-ID: <64df7de3-f45f-4205-991c-84bf7e131...@apple.com> > Content-Type: text/plain; CHARSET=US-ASCII > > Use ImageIO. > > create a CGImageDestinationRef and add the CGImage to it. > > Vince > > > >> On Jan 14, 2019, at 12:17 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> >> wrote: >> >> I have a background macOS daemon process (aka Foundation-based "command line >> tool") that needs to write out a JPEG file to local disk. The image resides >> in an NSImage object (or alternatively, an NSData of raw RGB image data). >> >> Short of resorting to something like libjpeg, what is the ObjC way to do >> this? >> >> -Carl >> >> _______________________________________________ >> >> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >> >> Please do not post admin requests or moderator comments to the list. >> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >> >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/cocoa-dev/demarco%40apple.com >> >> This email sent to dema...@apple.com > > > > ------------------------------ > > Message: 3 > Date: Mon, 14 Jan 2019 14:48:15 -0700 > From: Carl Hoefs <newsli...@autonomy.caltech.edu> > To: Vince DeMarco <dema...@apple.com> > Cc: Cocoa Developers <cocoa-dev@lists.apple.com> > Subject: Re: NSImage to JPEG file? > Message-ID: > <d46142b3-21d3-4944-9df0-a0a3003d8...@autonomy.caltech.edu> > Content-Type: text/plain; CHARSET=US-ASCII > > Got it working! > Thanks, that's the tip I needed. > -Carl > > >> On Jan 14, 2019, at 1:26 PM, Vince DeMarco <dema...@apple.com> wrote: >> >> Use ImageIO. >> >> create a CGImageDestinationRef and add the CGImage to it. >> >> Vince >> >> >> >>> On Jan 14, 2019, at 12:17 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> >>> wrote: >>> >>> I have a background macOS daemon process (aka Foundation-based "command >>> line tool") that needs to write out a JPEG file to local disk. The image >>> resides in an NSImage object (or alternatively, an NSData of raw RGB image >>> data). >>> >>> Short of resorting to something like libjpeg, what is the ObjC way to do >>> this? >>> >>> -Carl >>> >>> _______________________________________________ >>> >>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >>> >>> Please do not post admin requests or moderator comments to the list. >>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >>> >>> Help/Unsubscribe/Update your Subscription: >>> https://lists.apple.com/mailman/options/cocoa-dev/demarco%40apple.com >>> >>> This email sent to dema...@apple.com >> > > > > ------------------------------ > > Message: 4 > Date: Mon, 14 Jan 2019 16:06:54 -0600 > From: Alex Zavatone <z...@mac.com> > To: Carl Hoefs <newsli...@autonomy.caltech.edu> > Cc: Cocoa Developers <cocoa-dev@lists.apple.com> > Subject: Re: NSImage to JPEG file? > Message-ID: <6e8e883e-245d-43ab-88eb-ba4cd0ed9...@mac.com> > Content-Type: text/plain; CHARSET=US-ASCII > > I will send you something. > > Sent from my iPhone > >> On Jan 14, 2019, at 2:17 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> >> wrote: >> >> I have a background macOS daemon process (aka Foundation-based "command line >> tool") that needs to write out a JPEG file to local disk. The image resides >> in an NSImage object (or alternatively, an NSData of raw RGB image data). >> >> Short of resorting to something like libjpeg, what is the ObjC way to do >> this? >> >> -Carl >> >> _______________________________________________ >> >> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >> >> Please do not post admin requests or moderator comments to the list. >> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >> >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/cocoa-dev/zav%40mac.com >> >> This email sent to z...@mac.com > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins (at) lists.apple.com > > https://lists.apple.com/mailman/listinfo/cocoa-dev > > > ------------------------------ > > End of Cocoa-dev Digest, Vol 16, Issue 1 > **************************************** _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. 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