how to drag and drop Image into a second one

Question

I have two images, the first one is a foreground and the second one is the background. I want to merge both of them into a single Image.I want to be able to drag and drop the frontImage into only the background is it possible ?

don't understand what you're asking. Can you post some pictures? — nielsbot, Oct 27 '13 at 17:41
Do you want to learn how to drag one image onto the second or do you want to learn how to merge them? — emreoktem, Oct 27 '13 at 20:11
Exactly,I want to learn how to drag one image into the second — user2858284, Oct 28 '13 at 11:04

score 0 · Answer 1 · edited May 23 '17 at 12:05

This can be super easy.

For example - You have a parent UIView and two image views:

UIView *_baseView; //as big as the screen.

UIImageView *_backgroundImageView; //as a subview on _baseView

UIImageView *_frontImageView; //as a subview on _baseView

Then You implement some kind of UIImageView movement by finger (for example How do you make an image follow your finger in objective-c? or search for something similar to know how to move UIView objects around if You don't know yet how).

And - once You release Your finger - You can take a screenshot from _baseView and get the image, where two subview ImageViews are combined in a way.

(How Do I Take a Screen Shot of a UIView? or search something similar).

If You don't like, that You have to take screenshot of _baseView, You could also add frontImageView as a subview to background image view and get the screenshot from backgroundImageView.

Hope this idea helps.

how to drag and drop Image into a second one

1 Answers1