/**
* Creates the QR barcode. The barcode is always created with the smallest possible size and is then stretched
* to the width and height given. Set the width and height to 1 to get an unscaled barcode.
* @param content the text to be encoded
* @param width the barcode width
* @param height the barcode height
* @param hints modifiers to change the way the barcode is create. They can be EncodeHintType.ERROR_CORRECTION
* and EncodeHintType.CHARACTER_SET. For EncodeHintType.ERROR_CORRECTION the values can be ErrorCorrectionLevel.L, M, Q, H.
* For EncodeHintType.CHARACTER_SET the values are strings and can be Cp437, Shift_JIS and ISO-8859-1 to ISO-8859-16. The default value is
* ISO-8859-1.
* @throws WriterException
*/
public BarcodeQRCode(String content, int width, int height, IDictionary<EncodeHintType, Object> hints) {
QRCodeWriter qc = new QRCodeWriter();
bm = qc.Encode(content, width, height, hints);
}