An empty CGImage based on another CGImage

no_op_cgimage.swift

    func createBlackCGImage(basedOn originalImage: CGImage) -> CGImage? {
        let width = originalImage.width
        let height = originalImage.height
        let bitsPerComponent = originalImage.bitsPerComponent
        let bytesPerRow = originalImage.bytesPerRow
        let colorSpace = originalImage.colorSpace ?? CGColorSpace(name: CGColorSpace.sRGB)!
        let bitmapInfo = originalImage.bitmapInfo

        // Create an empty context with the same parameters as the original image
        guard let context = CGContext(data: nil,
                                      width: width,
                                      height: height,
                                      bitsPerComponent: bitsPerComponent,
                                      bytesPerRow: bytesPerRow,
                                      space: colorSpace,
                                      bitmapInfo: bitmapInfo.rawValue) else {
            return nil
        }

        // Fill the context with black color
        context.setFillColor(CGColor.black)
        context.fill(CGRect(x: 0, y: 0, width: width, height: height))

        // Create a new CGImage from the context
        return context.makeImage()
    }