import UIKit extension ViewController { func saveImageToDocumentsDirectory(image: UIImage) { guard let cgImage = image.cgImage else { return } let uiImage = UIImage(cgImage: cgImage) if let data = uiImage?.jpegData(compressionQuality: 1.0) { let filename = getUniqueFilename(extension: "...
由于苹果在iOS 11.0中引入了PDFKit,你可以使用下面的代码将uiimage转换为pdf,我只尝试了下面的OSX,...
您可以创建一个核心映像上下文,并从ciimage过滤器结果中创建CGImage。您可以按以下步骤操作:...
let cgimg = context.createCGImage(filter.outputImage,formRect:filter.outputimage.extend()) //3 let newImage = UIImage(CGImage:cgimg) self.imageView.image = newImage 同样的,让我们一行一行的来看下。 1:第一行声明了一个CIContext对象,使用它来绘制一个CGImage对象。CIContext(options:)构造方法使用 ...
答案更新日期:由于苹果在iOS 11.0中引入了PDFKit,你可以使用下面的代码将uiimage转换为pdf,我只尝试...
新建ImagePickerViewController类:/* let imagePicker = ImagePickerViewController()imagePicker.delegate = selfself.presentViewController(imagePicker, animated: false, completion: nil)*/实现类代理方法//MARK: -ImagePickerViewDelegateextension FourViewController:ImagePickerViewDelegate{...
(image: CGImage) -> some ToolbarContent { ToolbarItemGroup { if let model = modelViewModel.fetch(modelType: .esrgan).first { Button("Upscale", systemImage: "plus.magnifyingglass") { viewModel.onUpscale(image: image, model: model) } } Button("Save", systemImage: "...
或者使用简单的CALayer作为蒙版,其中蒙版图层的contents属性为CGImage。然后将不透明像素绘制到蒙版中以...
if let imageData = convertImageTo1BitBMP(image: image) { // 保存为bmp文件 let fileURL = URL(fileURLWithPath: "path_to_save_bmp_file.bmp") do { try imageData.write(to: fileURL) print("转换成功,bmp文件保存在:\(fileURL)") } catch { ...
*Matft.sort *numpy.sort *Matft.argsort *numpy.argsort ^MfArray.toArray ^numpy.ndarray.tolist ^MfArray.toFlattenArray n/a *Matft.orderedUnique numpy.uniqueFile MatftNumpy Matft.file.loadtxt numpy.loadtxt Matft.file.genfromtxt numpy.genfromtxt Matft.file.savetxt numpy.savetxtOperation...