Re: Cocoa-dev Digest, Vol 16, Issue 1
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:
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> Today's Topics:
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> 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
>>
>> _______________________________________________
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> ------------------------------
>
> 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)
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>>> Please do not post admin requests or moderator comments to the list.
>>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
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>>> This email sent to email@hidden
>>
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>
> ------------------------------
>
> 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:
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>> This email sent to email@hidden
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> ------------------------------
>
> End of Cocoa-dev Digest, Vol 16, Issue 1
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