I'd like to make an icon for my NSToolbar that has the same system stylings applied to it as the template icons in IB. How do you do this? I can't get the toolbar to apply system stylings like it says it will in the HIG.
Thanks!
In Mac OS X v10.5 or later, images whose name ends in the word "Template" are automatically marked as template images. NSImage Class Reference
NSImage *image = [NSImage imageNamed:@"MyImageTemplate"];
This also works for Interface Builder. More information: http://www.proppe.org/blog/2007/12/01/nsimage-templates/
If you mean for a monochromatic icon, make sure you set it as a template image. That's what tells the system to render it with the inner gray or blue gradient.
The toolbar doesn't do that automatically. You have to create the graphics yourself. The Lion-style icons are usually mid-gray with a subtle inner shadow and a 1px whitish drop shadow. Here's an example done in Photoshop:
And here's all the layer styling done to it:
The specific numbers and colors may vary depending on the icon's shape and size.
On a side note, the HIG was saying that icons may change depending on the control. For example, when you disable a button, its icon will be displayed semi-transparently.
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