Question

I am unable to crop he image from image view, which is scaled and rotated before cropping. used existing cropping methods.but its applicable only for image-view which is fixed.Hope code will helpful.

Answer 1

Finally succeeded cropping rotated scaled image.

1) Need to crop the entire scaled or rotated image.

2)crop the rect from cropped Image. you will get final scaled or rotated cropped image.

Im posting sample code , it may helpful for others.

UIGraphicsBeginImageContextWithOptions(self.view.frame.size, NO, 0.0);
[self.view.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();


CGRect rect = CGRectMake(100,100 ,200, 200);//Rect we need from scaled or rotated image.
CGImageRef cropped = CGImageCreateWithImageInRect(viewImage.CGImage, rect);
UIImage *img =  [UIImage imageWithCGImage:cropped]; 
CGImageRelease(cropped);

Thanks.