Author Topic: DNG preview?  (Read 3251 times)

Offline Photo_op

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DNG preview?
« on: April 22, 2009, 02:39:28 PM »
Kirk-apologies if this question has been asked and answered previously, but a search of the forum did not provide an answer. How does PM "render" the jpg preview from a DNG file in Mac OSX 10.5.6?

Thanks-

--Dave
MacMini, 8 Meg RAM, OS X 10.8.2, PM 5, Lightroom 4.2, Sony 580, Fuji X10

Offline Kirk Baker

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Re: DNG preview?
« Reply #1 on: April 22, 2009, 03:10:59 PM »
Dave,

Kirk-apologies if this question has been asked and answered previously, but a search of the forum did not provide an answer. How does PM "render" the jpg preview from a DNG file in Mac OSX 10.5.6?

The embedded JPEG preview does not require any rendering, just decoding, color management, and drawing to the screen.

-Kirk

Offline Photo_op

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Re: DNG preview?
« Reply #2 on: April 22, 2009, 06:28:19 PM »
Does PM employ Apple's CoreImage to achieve "decoding, color management, and drawing to the screen"?
MacMini, 8 Meg RAM, OS X 10.8.2, PM 5, Lightroom 4.2, Sony 580, Fuji X10

Offline Kirk Baker

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Re: DNG preview?
« Reply #3 on: April 22, 2009, 06:42:54 PM »
Does PM employ Apple's CoreImage to achieve "decoding, color management, and drawing to the screen"?

Photo Mechanic does not use CoreImage.  It uses a variety of other technologies to do decoding, color management and drawing to the screen.

-Kirk