Refactor render. Disabling WebGL render for now.

res/app/components/stf/screen/fast-image-render/canvas-render.js

@@ -0,0 +1,20 @@
+function CanvasRender(canvasElement, options) {
+  this.options = options
+  this.context = canvasElement.getContext('2d')
+}
+
+CanvasRender.prototype.draw = function (image) {
+  this.context.drawImage(image, 0, 0)
+}
+
+CanvasRender.prototype.clear = function () {
+  this.context.clearRect(0, 0, this.context.canvas.width,
+    this.context.canvas.height)
+}
+
+// Check for Non CommonJS world
+if (typeof module !== 'undefined') {
+  module.exports = {
+    CanvasRender: CanvasRender
+  }
+}