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objective-cmacosnsimageview

NSImageView transparency

I'm beginner with programming for OS X and I have problems with setting NSImageView transparency.

In iOS it was quite simple, there's property in UIImageView called alpha and I could change it and animate it. (like imageView.alpha = 0.5)

How can I achieve the same with NSImageView?

Solution

  • set the property alphaValue of a NSView that has a layer!

    [view setWantsLayer:YES];
[view setAlphaValue:0];