javascript - ImageURI to Data URL or canvas -


how can convert image uri data url or canvas image?

i developing phone application in user select image gallery , onclicking image user redirected other application.

currently when user selects image gallery imageuri generated.

eg: image uri = content://com.android.providers.media.documents/document/image%3a40788"

connvert above imageuri dataurl or canvas image

as interpreted it, need this

function loadcanvas(dataurl) {         var canvas = document.getelementbyid('mycanvas');         var context = canvas.getcontext('2d');          // load image data url         var imageobj = new image();         imageobj.onload = function() {           context.drawimage(this, 0, 0);         };          imageobj.src = dataurl;       }

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