库中的照片不会移动和缩放

Question

在我的应用中，用户可以使用以下代码从库中选择一张照片。因为我希望用户裁剪照片，所以我确保 setAllowsEditing:YES。

当您选择照片时，您可以移动和缩放图像，但是当稍后查看图像 (selectedImage) 时，图像会恢复到其原始大小???

    myPicker = [[UIImagePickerController alloc] init];
    [myPicker setSourceType: UIImagePickerControllerSourceTypePhotoLibrary];
    [myPicker setToolbarHidden:NO];
    [myPicker setAllowsEditing:YES];
     myPicker.delegate = self;

    //this adds mypicker to current view
    [self presentViewController:myPicker animated:YES completion:NULL];


-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
selectedImage = [[UIImage alloc]init];

selectedImage = [info objectForKey:@"UIImagePickerControllerOriginalImage"];

Answer 1

您只需要使用“UIImagePickerControllerEditedImage”而不是“UIImagePickerControllerOriginalImage”。

谢谢。