71 lines
3.1 KiB
Swift
71 lines
3.1 KiB
Swift
// Renders the CocotteAI app icon (✦ mark on the rose brand background) and writes
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// a full .iconset directory. Run on macOS: `swift make-icon.swift <out.iconset>`.
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// The shell packager then `iconutil -c icns`s it. Colors match DesignTokens' rose
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// accent (r7 #c75872) over the dark canvas (#100c0e).
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import AppKit
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// Initialize the shared app so AppKit font/graphics services are available in this
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// CLI context (no run loop needed — we never call run()).
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_ = NSApplication.shared
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let outDir = CommandLine.arguments.count > 1 ? CommandLine.arguments[1] : "AppIcon.iconset"
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try? FileManager.default.createDirectory(atPath: outDir, withIntermediateDirectories: true)
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func color(_ hex: UInt32) -> NSColor {
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NSColor(srgbRed: CGFloat((hex >> 16) & 0xff) / 255,
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green: CGFloat((hex >> 8) & 0xff) / 255,
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blue: CGFloat(hex & 0xff) / 255, alpha: 1)
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}
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/// Draw the icon at `size` px (square) into a fresh bitmap context and return PNG
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/// data. Draws straight into an NSBitmapImageRep context (not NSImage.lockFocus),
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/// which is the reliable path in a command-line tool.
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func render(_ size: Int) -> Data {
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let s = CGFloat(size)
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guard let rep = NSBitmapImageRep(
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bitmapDataPlanes: nil, pixelsWide: size, pixelsHigh: size,
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bitsPerSample: 8, samplesPerPixel: 4, hasAlpha: true, isPlanar: false,
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colorSpaceName: .deviceRGB, bytesPerRow: 0, bitsPerPixel: 0) else {
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fatalError("bitmap alloc failed at \(size)")
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}
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NSGraphicsContext.saveGraphicsState()
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defer { NSGraphicsContext.restoreGraphicsState() }
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NSGraphicsContext.current = NSGraphicsContext(bitmapImageRep: rep)
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// Rounded-rect canvas with a subtle rose vertical gradient (macOS Big Sur look:
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// full-bleed rounded square, the system masks corners on display).
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let rect = NSRect(x: 0, y: 0, width: s, height: s)
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let radius = s * 0.22
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let path = NSBezierPath(roundedRect: rect, xRadius: radius, yRadius: radius)
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path.addClip()
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NSGradient(colors: [color(0x1c1619), color(0x100c0e)])?.draw(in: rect, angle: -90)
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// The ✦ mark, rose accent, centered.
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let fontSize = s * 0.62
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let attrs: [NSAttributedString.Key: Any] = [
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.font: NSFont.systemFont(ofSize: fontSize, weight: .semibold),
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.foregroundColor: color(0xc75872),
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]
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let str = NSAttributedString(string: "✦", attributes: attrs)
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let bounds = str.size()
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str.draw(at: NSPoint(x: (s - bounds.width) / 2, y: (s - bounds.height) / 2))
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guard let png = rep.representation(using: .png, properties: [:]) else {
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fatalError("PNG encode failed at size \(size)")
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}
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return png
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}
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// Standard macOS iconset matrix.
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let specs: [(name: String, size: Int)] = [
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("icon_16x16", 16), ("icon_16x16@2x", 32),
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("icon_32x32", 32), ("icon_32x32@2x", 64),
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("icon_128x128", 128), ("icon_128x128@2x", 256),
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("icon_256x256", 256), ("icon_256x256@2x", 512),
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("icon_512x512", 512), ("icon_512x512@2x", 1024),
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]
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for spec in specs {
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let url = URL(fileURLWithPath: "\(outDir)/\(spec.name).png")
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try! render(spec.size).write(to: url)
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}
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FileHandle.standardError.write("wrote \(specs.count) icons to \(outDir)\n".data(using: .utf8)!)
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