CIAttributedTextImageGenerator filter - text doesn't fit (NSAttributedString) - swift

Question

I use a Core Image filter CIAttributedTextImageGenerator to generate text as a CIImage. However, sometimes the text just doesn't fit into the resulted CIImage as you can see at the picture:
I tried to play with different key-values of NSAttributedString to make some padding around text but with no success:
func generateImageFromText(_ text: String, style: TextStyle) -> CIImage? {
let font = UIFont.init(name: style.fontName, size: style.fontSize)!
let paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.alignment = style.textAlignment
paragraphStyle.headIndent = 5.0
paragraphStyle.tailIndent = -5.0
paragraphStyle.firstLineHeadIndent = 0
let shadow = NSShadow()
if let shadowStyle = style.shadowStyle {
shadow.shadowColor = shadowStyle.color
shadow.shadowOffset = shadowStyle.offset
shadow.shadowBlurRadius = shadowStyle.blurRadius
}
var strokeColor = UIColor.clear
var strokeWidth: CGFloat = 0.0
if let strokeStyle = style.strokeStyle {
strokeColor = strokeStyle.color
strokeWidth = strokeStyle.width
}
let attributes: [NSAttributedString.Key: Any] = [
.baselineOffset: 50,
.font: font,
.foregroundColor: style.color,
.paragraphStyle: paragraphStyle,
.shadow: shadow,
.strokeColor: strokeColor,
.strokeWidth: strokeWidth
]
let attributedQuote = NSAttributedString(string: text, attributes: attributes)
let textGenerationFilter = CIFilter(name: "CIAttributedTextImageGenerator")!
textGenerationFilter.setValue(attributedQuote, forKey: "inputText")
textGenerationFilter.setValue(NSNumber(value: Double(1.0)), forKey: "inputScaleFactor")
guard let textImage = textGenerationFilter.outputImage else {
return nil
}
return textImage
}
Maybe there are some values of NSAttributedString that I miss which can help to fit in the text?