IOS 截屏
UIImage+Screenshot.h #import <UIKit/UIKit.h> @interface UIImage (Screenshot) + (UIImage *)screenshot; @end #import "UIImage+Screenshot.h" @implementation UIImage (Screenshot) + (UIImage *)screenshot { CGSize imageSize = [[UIScreen mainScreen] bounds].size; if (NULL != UIGraphicsBeginImageContextWithOptions) { UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0); } else { UIGraphicsBeginImageContext(imageSize); } CGContextRef context = UIGraphicsGetCurrentContext(); for (UIWindow *window in [[UIApplication sharedApplication] windows]) { if (![window respondsToSelector:@selector(screen)] || [window screen] == [UIScreen mainScreen]) { CGContextSaveGState(context); CGContextTranslateCTM(context, [window center].x, [window center].y); CGContextConcatCTM(context, [window transform]); CGContextTranslateCTM(context, -[window bounds].size.width * [[window layer] anchorPoint].x, -[window bounds].size.height * [[window layer] anchorPoint].y); [[window layer] renderInContext:context]; CGContextRestoreGState(context); } } UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return image; } @end
// 使用
UIImage *image = [UIImage screenshot];
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