Create HTMLImageElement from HTMLCanvasElement and HTMLCanvasElement from HTMLImageElement

gistfile1.txt

import "js/web.jsx";

class Util {
	static function image2Canvas(image : HTMLImageElement) : HTMLCanvasElement {
		var document = dom.window.document;
		var canvas = document.createElement("canvas") as HTMLCanvasElement;
		canvas.width = image.width;
		canvas.height = image.height;
		var ctx = canvas.getContext("2d") as CanvasRenderingContext2D;
		ctx.drawImage(image, 0, 0);
		return canvas;
	}

	static function canvas2PNGImage(canvas : HTMLCanvasElement) : HTMLImageElement {
		var document = dom.window.document;
		var image = document.createElement("img") as HTMLImageElement;
		image.src = canvas.toDataURL();
		return image;
	}

	static function canvas2JPEGImage(canvas : HTMLCanvasElement) : HTMLImageElement {
		var document = dom.window.document;
		var image = document.createElement("img") as HTMLImageElement;
		image.src = canvas.toDataURL("image/jpeg");
		return image;
	}
}