ios UIImagePickerController - 将图片裁剪为正方形（纵向）

UIImagePickerController - crops picture to square (in portrait)

提问by cabhara

I'm using the UIImagePickerController to take and edit a picture. it works fine in landscape, but in portrait it will crop the picture into a square (does not allow to reduce the image to fit fully into the square crop field like in landscape. Any ideas?

我正在使用 UIImagePickerController 拍摄和编辑图片。它在风景中工作正常，但在人像中它会将图片裁剪成正方形（不允许缩小图像以完全适合风景中的方形裁剪场。有什么想法吗？

code:

代码：

-(IBAction)initCamera:(id)sender{

//Init imagePicker instance
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
[imagePicker setDelegate:self];

[imagePicker setSourceType:UIImagePickerControllerSourceTypeCamera];
[imagePicker setShowsCameraControls:YES];
[imagePicker setAllowsEditing:YES];

[self presentModalViewController:imagePicker animated:YES];
[imagePicker release];
}

回答by Andrey Zverev

Check out GKImagePickerlibrary, it allows to set your custom image crop area, like this:

查看GKImagePicker库，它允许设置您的自定义图像裁剪区域，如下所示：

self.imagePicker = [[GKImagePicker alloc] init];
self.imagePicker.cropSize = CGSizeMake(320, 90);
self.imagePicker.delegate = self;

[self presentModalViewController:self.imagePicker.imagePickerController animated:YES];

回答by Jay Pandya

I know its really late to answer this question, But someone may find this helpful.

我知道回答这个问题真的很晚，但有人可能会觉得这很有帮助。

Change

改变

[imagePicker setAllowsEditing:YES]; 

To

到

[imagePicker setAllowsEditing:NO];

Thanks, Jay

谢谢，杰

回答by Peter Sarnowski

You can provide a custom cropping UI, but there is no way to change just the cropping rectangle of the standard one.

您可以提供自定义裁剪 UI，但无法仅更改标准裁剪矩形。

Thislink might help with that.

此链接可能会有助于利用。