Image Preview

qDslrDashbord error reports
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Vdue
Posts: 2
Joined: 01 Mar 2015, 19:34

Image Preview

Post by Vdue »

QDD 2.6
OS X 10.9 and 10.10 Retina display
Nikon D300s - all raw NEF

I notice that the downloaded images (NEF) in QDD preview are all too dark and grainy. For the avoidance of doubt, the picture itself is Ok. Same picture side to side in QDD and Photoshop or my image viewer demonstrate the difference.

Secondly, I assume that you are calculating the colour histogram from your preview image, these are far off from reality. BTW, I would appreciate if the histograms could be in R G B order.

I know that OSX has some issues with RawCamera.bundle and RawCameraSupport.bundle. On both machines I applied the fixes according to Apple Support DL1757 (basically reinstall the raw bundles) but would assume that this does not matter for this issue.

I have a self-made image viewer, which shows directly the last picture taken. There the images are displayed correctly. For your reference, in code I am using (if this is of any help):

CGImageSourceRef imageSourceRef = CGImageSourceCreateWithURL(imageURL, NULL);
CGImageRef imageRef = CGImageSourceCreateImageAtIndex(imageSourceRef, 0, NULL);
metadata = ...
[imageView setImage:imageRef imageProperties: metadata.dictionary]

imageView is a IKImageView

Can you please look into this.

Thanks

Robert
hubaiz
Site Admin
Posts: 2001
Joined: 27 Jan 2015, 18:58

Re: Image Preview

Post by hubaiz »

Next version will fix this, will be reverted to version prior V0.2.6
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