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I have an image I display on my website. Which is written in c#. I want to give my user the ability to click on a button which rotates the image. This will rotate the actual image on the server so next time it is displayed it is displayed the correct way.
Similar to how facebook has image rotation?
Do you really need to rotate the image on the server? Why not just store a property with the image which stores the rotation value like 90, 180, 270… and apply this every time image is retrieved and update/save the property value once user rotates the image
see this tutorial for how to rotate an image or google it you will find a lot of samples