class ExportImage {
	/**
	 * Exports the target element to a svg and downloads it.
	 * @param {Element} svgEl A DOM object of the SVG.
	 * @param {string} name The target file name
	 */
	exportToSvg(svgEl, name) {
		svgEl.setAttribute("xmlns", "http://www.w3.org/2000/svg");
		var svgData = svgEl.outerHTML;
		var preface = '<?xml version="1.0" standalone="no"?>\r\n';
		var svgBlob = new Blob([preface, svgData], { type: "image/svg+xml;charset=utf-8" });
		var svgUrl = URL.createObjectURL(svgBlob);
		var downloadLink = document.createElement("a");
		downloadLink.href = svgUrl;
		downloadLink.download = name;
		document.body.appendChild(downloadLink);
		downloadLink.click();
		document.body.removeChild(downloadLink);
	}

	/**
	 * Exports the target element to a png image and downloads it.
	 * @param {Element} targetElement A simple DOM object in the form of a canvas
	 * @param {string} name The target file name
	 */
	exportToPng(targetElement, name) {
		var link = document.getElementById('link');
		link.setAttribute('download', name);
		link.setAttribute('href', targetElement.toDataURL("image/png").replace("image/png", "image/octet-stream"));
		link.click();
	}
}