Crop image with four dot in the image

Hi,

I am stuggle in the crop image.I am using Asp.Net web application. I search in experts forum. No one satisfied in my scenario. My requirement is in the image, i am doing 4 click(dot) wherever in the image like rectangle, polygon and circle, i need to crop the images. I did javascript to take co-ordinate x,y and did some calculation for getting height and width and pass in codebehind function(cropimage) pass these parameters. It doesnt take exact crop image what i did in the image. So please help me. I am helpless. I searched lot. I didnt get it. Finally i come to post this question for this scenario.

Hope your's reply.

Thanks
Guvera

Hello,

In order to help you, we are going to need to fully understand what it is you are trying to do, and what you currently have.

Can you show the code that you are using to date, and explain exactly why it isn't working.

Gary