Code Screenshot of iOS development

Source: Internet
Author: User

With quartz2d

1Cgsize imageSize =self.view.bounds.size;2     //turn on the graphics context3Uigraphicsbeginimagecontextwithoptions (ImageSize, NO,0);4     //Get the graphics context5Cgcontextref context =Uigraphicsgetcurrentcontext ();6     //render a view to a graphics context7 [Self.view.layer Renderincontext:context];8     //get an image from the context9UIImage *image =Uigraphicsgetimagefromcurrentimagecontext ();Ten      One uiimagewritetosavedphotosalbum (image, nil, nil, nil); A     //Cutting Pictures -Cgimageref subimageref = cgimagecreatewithimageinrect (image. Cgimage, CGRectMake (0,0, the, the)); -UIImage *subimage1 =[UIImage imagewithcgimage:subimageref]; the      - Uiimagewritetosavedphotosalbum (subImage1, nil, nil, nil); -      -Uigraphicsendimagecontext ();

The code for iOS development

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