I am developing an authentication system which is based on images. For these I needed to use the “Canvas” element of HTML5. Now I want to pass this canvas object (which user selects) to the servlet. How may I achieve this? Please help
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I am developing an authentication system which is based on images. For these I needed to use the “Canvas” element of HTML5. Now I want to pass this canvas object (which user selects) to the servlet. How may I achieve this? Please help
You can convert the Canvas into an inline image, and send the result to the servlet by using a XHR request. This blog entry describe how to convert a Canvas to a Base64 encoded image. For the XHR request, Google is your friend…