• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Cocoa-dev Digest, Vol 16, Issue 1
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Cocoa-dev Digest, Vol 16, Issue 1


  • Subject: Re: Cocoa-dev Digest, Vol 16, Issue 1
  • From: Bruce Stephens <email@hidden>
  • Date: Wed, 16 Jan 2019 09:35:59 +1100

Any chance to see those few lines of code for NSimage ImageIO to jpeg? Thanks.
Bruce.

> On 16 Jan 2019, at 7:00 am, email@hidden wrote:
>
> Send Cocoa-dev mailing list submissions to
>    email@hidden
>
> 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
>    email@hidden
>
> You can reach the person managing the list at
>    email@hidden
>
> 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 <email@hidden>
> To: Cocoa Developers <email@hidden>
> Subject: NSImage to JPEG file?
> Message-ID:
>    <email@hidden>
> 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 <email@hidden>
> To: Carl Hoefs <email@hidden>
> Cc: Cocoa Developers <email@hidden>
> Subject: Re: NSImage to JPEG file?
> Message-ID: <email@hidden>
> 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 <email@hidden>
>> 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 (email@hidden)
>>
>> 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:
>>
>> This email sent to email@hidden
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 14 Jan 2019 14:48:15 -0700
> From: Carl Hoefs <email@hidden>
> To: Vince DeMarco <email@hidden>
> Cc: Cocoa Developers <email@hidden>
> Subject: Re: NSImage to JPEG file?
> Message-ID:
>    <email@hidden>
> 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 <email@hidden> wrote:
>>
>> Use ImageIO.
>>
>> create a CGImageDestinationRef and add the CGImage to it.
>>
>> Vince
>>
>>
>>
>>> On Jan 14, 2019, at 12:17 PM, Carl Hoefs <email@hidden>
>>> 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 (email@hidden)
>>>
>>> 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:
>>>
>>> This email sent to email@hidden
>>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 14 Jan 2019 16:06:54 -0600
> From: Alex Zavatone <email@hidden>
> To: Carl Hoefs <email@hidden>
> Cc: Cocoa Developers <email@hidden>
> Subject: Re: NSImage to JPEG file?
> Message-ID: <email@hidden>
> 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 <email@hidden>
>> 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 (email@hidden)
>>
>> 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:
>>
>> This email sent to email@hidden
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
>
> Cocoa-dev mailing list      (email@hidden)
>
> 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 (email@hidden)

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:

This email sent to email@hidden

  • Follow-Ups:
    • Re: Cocoa-dev Digest, Vol 16, Issue 1
      • From: Alex Zavatone <email@hidden>
    • Re: NSImage to JPEG file?
      • From: Jens Alfke <email@hidden>
    • Re: Cocoa-dev Digest, Vol 16, Issue 1
      • From: Vince DeMarco <email@hidden>
  • Prev by Date: Re: UIImagePickerController and 48-bit photos
  • Next by Date: Re: Cocoa-dev Digest, Vol 16, Issue 1
  • Previous by thread: Re: UIImagePickerController and 48-bit photos
  • Next by thread: Re: Cocoa-dev Digest, Vol 16, Issue 1
  • Index(es):
    • Date
    • Thread