// Contains the creation of the blue image

import UIKit

// Global variables
func createBlueImage(_ tamanho: CGSize) -> UIImage {
UIGraphicsBeginImageContext(tamanho)
if let contexto = UIGraphicsGetCurrentContext() {
contexto.setFillColor(UIColor.blue.cgColor)
contexto.fill(CGRect(origin: .zero, size: tamanho))
}
let imagemAzul = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return imagemAzul ?? UIImage()
}