Interacting with a Canvas with Selenium

Question

I\'ve done a bit of reading on this, but haven\'t been able to find something specific. I have a canvas object that I need to interact with, with Selenium. However as we all

Answer 1

try this ,it worked for me.This will draw a circle on the 'canvas' id.

public function testDraw() {
        try {
            $this->execute(array('script' => "  var c = document.getElementById('canvas');
             var ctx = c.getContext('2d');
            ctx.beginPath();
               ctx.arc(100, 75, 50, 0, 2 * Math.PI);
                ctx.stroke();",
                'args' => array()));

            echo 'done';
            sleep(10);
        } catch (Exception $ex) {
            echo 'not done';
        }