我有一张由相机拍摄并调整大小的图像(captureImage) 。我用来压缩图像,压缩后,图像的大小增加了。这是正常行为还是我以错误的方式进行压缩/调整大小?UIImageJPEGRepresentation
if let image = captureImage {
print(image.size) // (700, 700)
let compressedImageData = UIImageJPEGRepresentation(image, 0.3)!
let compressedImage = UIImage(data: compressedImageData)!
print(compressedImage.size) // (3024, 3024)
}