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Add option to change the menu bar icon
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124 changes: 124 additions & 0 deletions
124
LunarBarMac/Modules/Sources/AppKitExtensions/NSBezierPath+Extension.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| // | ||
| // NSBezierPath+Extension.swift | ||
| // | ||
| // Created by cyan on 2024/1/8. | ||
| // | ||
|
|
||
| import AppKit | ||
|
|
||
| public extension NSBezierPath { | ||
| /** | ||
| Backward compatibility of `cgPath`. | ||
| */ | ||
| var toCGPath: CGPath { | ||
| if #available(macOS 14.0, *) { | ||
| return cgPath | ||
| } | ||
|
|
||
| let path = CGMutablePath() | ||
| var points = [CGPoint](repeating: .zero, count: 3) | ||
|
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| for index in 0..<elementCount { | ||
| let type = element(at: index, associatedPoints: &points) | ||
| switch type { | ||
| case .moveTo: path.move(to: points[0]) | ||
| case .lineTo: path.addLine(to: points[0]) | ||
| case .curveTo: path.addCurve(to: points[2], control1: points[0], control2: points[1]) | ||
| case .closePath: path.closeSubpath() | ||
| default: fatalError("Unknown element \(type)") | ||
| } | ||
| } | ||
|
|
||
| return path | ||
| } | ||
|
|
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| /** | ||
| Backward compatibility of `NSBezierPath(cgPath:)`. | ||
| */ | ||
| static func from(cgPath: CGPath) -> NSBezierPath { | ||
| if #available(macOS 14.0, *) { | ||
| return NSBezierPath(cgPath: cgPath) | ||
| } | ||
|
|
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| let path = NSBezierPath() | ||
| cgPath.applyWithBlock { (pointer: UnsafePointer<CGPathElement>) in | ||
| let element = pointer.pointee | ||
| let points = element.points | ||
|
|
||
| switch element.type { | ||
| case .moveToPoint: | ||
| path.move(to: points.pointee) | ||
| case .addLineToPoint: | ||
| path.line(to: points.pointee) | ||
| case .addQuadCurveToPoint: | ||
| let qp0 = path.currentPoint | ||
| let qp1 = points.pointee | ||
| let qp2 = points.successor().pointee | ||
| let m = 2.0 / 3.0 | ||
|
|
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| let cp1 = CGPoint( | ||
| x: qp0.x + ((qp1.x - qp0.x) * m), | ||
| y: qp0.y + ((qp1.y - qp0.y) * m) | ||
| ) | ||
|
|
||
| let cp2 = CGPoint( | ||
| x: qp2.x + ((qp1.x - qp2.x) * m), | ||
| y: qp2.y + ((qp1.y - qp2.y) * m) | ||
| ) | ||
|
|
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| path.curve(to: qp2, controlPoint1: cp1, controlPoint2: cp2) | ||
| case .addCurveToPoint: | ||
| let cp1 = points.pointee | ||
| let cp2 = points.advanced(by: 1).pointee | ||
| let target = points.advanced(by: 2).pointee | ||
|
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| path.curve( | ||
| to: points.advanced(by: 2).pointee, | ||
| controlPoint1: cp1, | ||
| controlPoint2: cp2 | ||
| ) | ||
| case .closeSubpath: | ||
| path.close() | ||
| @unknown default: | ||
| fatalError("Unknown type \(element.type)") | ||
| } | ||
| } | ||
|
|
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| return path | ||
| } | ||
|
|
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| /** | ||
| Create bezier path from text with specified font. | ||
| */ | ||
| static func from(text: String, font: NSFont) -> NSBezierPath { | ||
| let coreTextFont = CTFontCreateWithName(font.fontName as CFString, font.pointSize, nil) | ||
| let attributedText = NSAttributedString(string: text, attributes: [.font: coreTextFont]) | ||
|
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| let glyphRuns = CTLineGetGlyphRuns(CTLineCreateWithAttributedString(attributedText)) as? [CTRun] | ||
| let letterPaths = CGMutablePath() | ||
|
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| glyphRuns?.forEach { run in | ||
| for index in 0..<CTRunGetGlyphCount(run) { | ||
| let range = CFRangeMake(index, 1) | ||
| var glyphs = [CGGlyph](repeating: 0, count: range.length) | ||
| var position = CGPoint() | ||
|
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| CTRunGetGlyphs(run, range, &glyphs) | ||
| CTRunGetPositions(run, range, &position) | ||
|
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| glyphs.compactMap { CTFontCreatePathForGlyph(coreTextFont, $0, nil) }.forEach { | ||
| let transform = CGAffineTransform(translationX: position.x, y: position.y) | ||
| letterPaths.addPath($0, transform: transform) | ||
| } | ||
| } | ||
| } | ||
|
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| let bezierPath = NSBezierPath.from(cgPath: letterPaths) | ||
|
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| // The path is upside down, transform the coordinate system | ||
| bezierPath.transform(using: AffineTransform(scaleByX: 1.0, byY: -1.0)) | ||
| bezierPath.transform(using: AffineTransform(translationByX: 0, byY: letterPaths.boundingBox.height)) | ||
|
|
||
| return bezierPath | ||
| } | ||
| } |
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