Convert Canvas to Image in sapui5

Question

Convert canvas to image using controller in sapui5,I have tried these codes but nothing works..Please help me.
Here is my code:
onOkCloseButton : function(oEvent) {
  var view = this.getView();
  var canvas = view.byId("canvas");
var dataURL = canvas.toDataURL("image/png");
// var window = window.open();
// window.document.write('<img src="'+dataURL+'"/>');
// window.location = (canvas.toDataURL('image/png'));
// var dataURL = canvas.toDataURL();
// $.post("http://localhost:31651/Registration_Card/index.html", { img : canvas.toDataURL() }) 
// .done(function(data) { 
//  alert("Image Sent to Server "); //on completion 
// Canvas2Image.saveAsJPEG(canvas);
// var oImgJPEG = Canvas2Image.saveAsJPEG(canvas, true);
// Canvas2Image.saveAsPNG(canvas, false, 100, 100);
  oEvent.getSource().getParent().close();

Answer 1

Ho to save a canvas as an image in J9 and CDC.
It seems that I already have resolute by means of the tool Jimi de Sun. Anyway I will thank for any new contribution.
Thanks