iOS截图方法

最新推荐文章于 2024-08-08 07:11:16 发布

原创最新推荐文章于 2024-08-08 07:11:16 发布 · 670 阅读

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#iOS #截图

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-(void)screenShots
{
    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();
//    UIImageWriteToSavedPhotosAlbum(image, self, nil, nil);
//    NSLog(@"Suceeded!");
    
    //保存图像
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES);
    NSString *filePath = [[paths objectAtIndex:0] stringByAppendingPathComponent:[NSString stringWithFormat:@"sharptest.png"]];   // 保存文件的名称
    BOOL result = [UIImagePNGRepresentation(image)writeToFile: filePath    atomically:YES]; // 保存成功会返回YES
    
    if (result) {
        NSLog(@"Succeeded!");
    }
    else {
        NSLog(@"Failed!");
    }  
}