Jannis Braun
c176ea801a
macOS only applies the squircle mask to packaged .app bundles. For dev mode, generate a pre-masked icon-dock.png via Swift/AppKit at launch and set it with app.dock.setIcon(). Silently skipped on non-macOS.
22 lines
812 B
Swift
22 lines
812 B
Swift
// Generates a squircle-masked dock icon for macOS dev mode.
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// macOS only applies the squircle mask to packaged .app bundles,
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// so app.dock.setIcon() needs a pre-masked PNG.
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import AppKit
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let src = NSImage(contentsOfFile: "build/icon.png")!
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let size = src.size
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let out = NSImage(size: size)
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out.lockFocus()
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let radius = size.width * 0.2237
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let path = NSBezierPath(roundedRect: NSRect(origin: .zero, size: size), xRadius: radius, yRadius: radius)
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path.addClip()
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src.draw(in: NSRect(origin: .zero, size: size), from: NSRect(origin: .zero, size: size), operation: .sourceOver, fraction: 1.0)
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out.unlockFocus()
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let tiff = out.tiffRepresentation!
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let rep = NSBitmapImageRep(data: tiff)!
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let png = rep.representation(using: .png, properties: [:])!
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try! png.write(to: URL(fileURLWithPath: "build/icon-dock.png"))
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