feat

public/js/html2canvas.js

@@ -1689,7 +1689,7 @@ var testForeignObject = function testForeignObject(document) {
     var size = 100;
     canvas.width = size;
     canvas.height = size;
-    var ctx = canvas.getContext('2d');
+    var ctx = canvas.getContext('2d',{willReadFrequently: true});
     ctx.fillStyle = 'rgb(0, 255, 0)';
     ctx.fillRect(0, 0, size, size);