问题描述
||
每次使用相机拍照时,将其保存后,图像始终处于横向。这意味着我的Xib中的UIImageView是错误的方法。它的肖像-这是我想要和期望的。我可以通过将图像旋转90度来纠正此问题,但即使如此,我也无法禁用显示原始风景照片和动画旋转本身的动画。如何确保保存时来自摄像机的UIImageView实际上处于纵向模式而不是横向模式,以及如何在CGAffineTranformationMakeRotation期间禁用动画?
解决方法
我发现这篇文章非常有帮助,它描述了在保存图像之前向UIImage添加类别以进行图像旋转:
http://www.platinumball.net/blog/2009/03/30/iphone-uiimage-rotation-and-mirroring/
然后,在实现类别之后,您将执行以下操作:
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
UIImage *originalImage,*editedImage,*rotatedImage;
editedImage = (UIImage *)[info objectForKey:UIImagePickerControllerEditedImage];
originalImage = (UIImage *)[info objectForKey:UIImagePickerControllerOriginalImage];
if (editedImage)
{
rotatedImage = [editedImage rotate:UIImageOrientationRight];
}
else
{
rotatedImage = [originalImage rotate:UIImageOrientationRight];
}
NSString *f = @\"/set/this/to/your/file/name\";
[UIImagePNGRepresentation(rotatedImage) writeToFile:f atomically:YES];
[[picker parentViewController] dismissModalViewControllerAnimated:YES];
[picker release];
}