1.普通界面
2.UIScrollView截屏(一屏无法显示完整)
- /**
- *截图功能
- */
- -(void)screenShot{
- UIGraphicsBeginImageContextWithOptions(CGSizeMake(640, 960), YES, 0);
- //设置截屏大小
- [[self.view layer] renderInContext:UIGraphicsGetCurrentContext()];
- UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
- UIGraphicsEndImageContext();
- CGImageRef imageRef = viewImage.CGImage;
- CGRect rect = CGRectMake(0, 0, 641, SCREEN_HEIGHT + 300);//这里可以设置想要截图的区域
- CGImageRef imageRefRect =CGImageCreateWithImageInRect(imageRef, rect);
- UIImage *sendImage = [[UIImage alloc] initWithCGImage:imageRefRect];
- //以下为图片保存代码
- UIImageWriteToSavedPhotosAlbum(sendImage, nil, nil, nil);//保存图片到照片库
- NSData *imageViewData = UIImagePNGRepresentation(sendImage);
- NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
- NSString *documentsDirectory = [paths objectAtIndex:0];
- NSString *pictureName= @"screenShow.png";
- NSString *savedImagePath = [documentsDirectory stringByAppendingPathComponent:pictureName];
- [imageViewData writeToFile:savedImagePath atomically:YES];//保存照片到沙盒目录
- CGImageRelease(imageRefRect);
- //从手机本地加载图片
- UIImage *bgImage2 = [[UIImage alloc]initWithContentsOfFile:savedImagePath];
- }
- /**
- *截图
- */
- - (void)screenShot{
- UIImage* image = nil;
- UIGraphicsBeginImageContext(m_scrollView.contentSize);
- {
- CGPoint savedContentOffset = m_scrollView.contentOffset;
- CGRect savedFrame = m_scrollView.frame;
- m_scrollView.contentOffset = CGPointZero;
- m_scrollView.frame = CGRectMake(0, 0, m_scrollView.contentSize.width, m_scrollView.contentSize.height); [m_scrollView.layer renderInContext: UIGraphicsGetCurrentContext()];
- image = UIGraphicsGetImageFromCurrentImageContext();
- m_scrollView.contentOffset = savedContentOffset;
- m_scrollView.frame = savedFrame;
- }
- UIGraphicsEndImageContext();
- if (image != nil) {
- NSLog(@"截图成功!");
- }
- }
来源: http://www.phpxs.com/code/1005711/