改变 NSImage 的色彩空间

import Cocoa
import CoreImage

func convertImageToP3(image: NSImage) -> NSImage? {
    // 创建 Core Image 上下文
    let ciContext = CIContext()
    
    // 将 NSImage 转换为 CIImage
    guard let ciImage = CIImage(data: image.tiffRepresentation!) else {
        return nil
    }
    
    // 创建 Core Image 滤镜
    let colorSpaceFilter = CIFilter(name: "CIColorSpace")!
    colorSpaceFilter.setValue(ciImage, forKey: kCIInputImageKey)
    colorSpaceFilter.setValue("kCGColorSpaceSRGB", forKey: "inputColorSpace")
    colorSpaceFilter.setValue("kCGColorSpaceDisplayP3", forKey: "outputColorSpace")
    
    // 应用滤镜并将结果转换为 NSImage
    let resultImage = colorSpaceFilter.outputImage!
    let cgImage = ciContext.createCGImage(resultImage, from: resultImage.extent)!
    let convertedImage = NSImage(cgImage: cgImage, size: NSZeroSize)
    
    return convertedImage
}