ajax - Rails upload image and reposition like facebook -


i making app in want upload cover facebook , reposition it.

can tell me how can make possible in rails?

this demo link:

http://demos.9lessons.info/ajaximageupload/index_bg_drag.php

this great if can tell me how can same in rails. in advance.

you can follow following tutorial image cropping , other stuff :

https://railskumar.wordpress.com/2015/05/01/crop-zoom-and-rotate-image-using-carrierwave/ http://railscasts.com/episodes/182-cropping-images?view=asciicast

pro : http://railscasts.com/episodes/182-cropping-images-revised?view=asciicast

whichever tutorial follow submit form using :remote => true . can not submit image in simple form either need submit in iframe or through flash. solve problem use remotipart gem.

same example image upload here.


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