Image rotation on button click in iphone

Question

Possible Duplicate:
How to Rotate a UIImage 90 degrees?
How to programmatically rotate image by 90 Degrees in iPhone?

I want to rotate my imageview on button clicking .Imageview must rotate in left ,right,up ,down position .I m new in iphone development so i am not familier lots of methods please help me out.

If you're not familiar with lots of methods, you should read the docs. — esqew, Oct 25 '12 at 12:42

score 3 · Answer 1 · answered Oct 25 '12 at 13:12

3

-(IBAction)onClick:(id)sender {
  static int numRot = 0;
  yourImageView.transform = CGAffineTransformMakeRotation(M_PI_2 * numRot);
  ++numRot;
}

answered Oct 25 '12 at 13:12

AliSoftware

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Thank alisoftware – Ramani Hitesh Apr 09 '18 at 13:20

score 0 · Answer 2 · edited Apr 26 '15 at 13:40

0

You should use Transform function.
e.g. -

myImageView.transform = CGAffineTransformMakeRotation(3.14159265);

edited Apr 26 '15 at 13:40

Rahul Mane

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answered Oct 25 '12 at 13:11

HML

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After Googling i find some interesting content for image rotation follow this link http://rogchap.com/2011/06/10/ios-image-manipulation-with-uigesturerecognizer-scale-move-rotate/ – Pragati4 Oct 26 '12 at 06:13
its really nice...better than my solution... – HML Oct 26 '12 at 06:29

Image rotation on button click in iphone

2 Answers2