generateImageOfLetterInRectangleOfSize

gistfile1.txt

    public static func generateImageOfLetterInRectangleOfSize(
        letter: Character,
        backgroundColor: UIColor,
        letterColor: UIColor,
        width: CGFloat,
        height: CGFloat
    ) -> UIImage {
        let size = CGSize(width: width, height: height)
        let renderer = UIGraphicsImageRenderer(size: size)
        let image = renderer.image { context in
            backgroundColor.setFill()
            context.fill(CGRect(origin: .zero, size: size))
            let attributes: [NSAttributedString.Key: Any] = [
                .foregroundColor: letterColor,
                .font: UIFont.systemFont(ofSize: min(width, height) / 2), // Adjust the font size to fit the rectangle
            ]
            let letterString = String(letter)
            let textSize = letterString.size(withAttributes: attributes)
            let textRect = CGRect(
                x: (size.width - textSize.width) / 2,
                y: (size.height - textSize.height) / 2,
                width: textSize.width,
                height: textSize.height
            )
            letterString.draw(in: textRect, withAttributes: attributes)
        }
        return image
    }