I have some NSToolbarItems that I am creating from higher resolution images than the ultimate size they need to be displayed. I am using PDFs for the GIF & PNG images, and a PNG for the MacPaint icon in the Xcode Asset Catalog. The auto-shrunk size looks good in Interface Builder, but bad in the real app. I'm not sure why. Is there anything I can do to alleviate this?

What it looks like in Interface Builder:

What it looks like in the running app:

Here's the full size versions in IB:

You can see in particular the Export MacPaint icon is losing detail. Any tips to change how these are shrunk? Thanks in advance!

CodePudding user response：

The simple answer, as El Tomato mentioned in the comments, is not to rely on the auto-scaling. Just produce bitmaps that are 32 x 32 and 64 x 64.