func drawMultilineText()

in Source/Charts/Utils/ChartUtils.swift [245:291]
34 lines of code
6 McCabe index (conditional complexity)

    func drawMultilineText(_ text: String, at point: CGPoint, constrainedTo size: CGSize, anchor: CGPoint, knownTextSize: CGSize, angleRadians: CGFloat, attributes: [NSAttributedString.Key : Any]?)
    {
        var rect = CGRect(origin: .zero, size: knownTextSize)

        NSUIGraphicsPushContext(self)

        if angleRadians != 0.0
        {
            // Move the text drawing rect in a way that it always rotates around its center
            rect.origin.x = -knownTextSize.width * 0.5
            rect.origin.y = -knownTextSize.height * 0.5

            var translate = point

            // Move the "outer" rect relative to the anchor, assuming its centered
            if anchor.x != 0.5 || anchor.y != 0.5
            {
                let rotatedSize = knownTextSize.rotatedBy(radians: angleRadians)

                translate.x -= rotatedSize.width * (anchor.x - 0.5)
                translate.y -= rotatedSize.height * (anchor.y - 0.5)
            }

            saveGState()
            translateBy(x: translate.x, y: translate.y)
            rotate(by: angleRadians)

            (text as NSString).draw(with: rect, options: .usesLineFragmentOrigin, attributes: attributes, context: nil)

            restoreGState()
        }
        else
        {
            if anchor.x != 0.0 || anchor.y != 0.0
            {
                rect.origin.x = -knownTextSize.width * anchor.x
                rect.origin.y = -knownTextSize.height * anchor.y
            }

            rect.origin.x += point.x
            rect.origin.y += point.y

            (text as NSString).draw(with: rect, options: .usesLineFragmentOrigin, attributes: attributes, context: nil)
        }

        NSUIGraphicsPopContext()
    }