Restrict Position true and minZoom

[kschmott]

Hey all,

I was just curious if there was a way to make it impossible to zoom out past the image?

Here is an example of what I am talking about. I have tried messing with the minZoom but I can't seem to devise an algorithm that will properly limit the zoom whilst also allowing for the maximum zoom out ability. I am essentially trying to copy instagram cropping if that helps.

Thanks!

[ValentinH]

I think this could be done by using the original ratio (width/height or the other way around) and have the parent container aspect be 1(square) like on Instagram.
If you cannot have the parent being a square, then you also have to take the parent aspect ratio in parameter when computing the min zoom.

[kschmott]

Thanks for the comment. I am able to have the "parent container" be a square but I am still not sure would I would calculate the minZoom based off of that?

[ValentinH]

For example, if your image is 800x600px, the minZoom could be set to 600/800 => 0.75. I didn't try it but this is what I would try first.