/// <summary>
/// 创建二维码
/// </summary>
/// <param name="param">二维码参数</param>
protected override byte[] Create(QRCodeParam param)
{
using var bitmap = GetBitmap(param);
if (string.IsNullOrWhiteSpace(param.Logo))
{
using (var ms = new MemoryStream())
{
bitmap.Save(ms, ImageFormat.Png);
return(ms.ToArray());
}
}
return(ImageUtil.MergeImage(bitmap, new Bitmap(param.Logo)));
}
/// <summary>
/// 创建二维码
/// </summary>
/// <param name="param">二维码参数</param>
/// <returns></returns>
protected override byte[] Create(QRCodeParam param)
{
QRCodeData data = _generator.CreateQrCode(param.Content, _level);
QC.QRCode qrcode = new QC.QRCode(data);
using (var bitmap = qrcode.GetGraphic(param.Size, param.Foreground, param.Background, GetLogo(), iconBorderWidth: 20))
{
using (var ms = new MemoryStream())
{
bitmap.Save(ms, ImageFormat.Png);
return(ms.ToArray());
}
}
}
/// <summary>
/// 获取二维码图片
/// </summary>
/// <param name="param">二维码参数</param>
private Bitmap GetBitmap(QRCodeParam param)
{
var bitmapBarcodeWriter = new BarcodeWriter <Bitmap>
{
Format = BarcodeFormat.QR_CODE,
Options = new QrCodeEncodingOptions
{
CharacterSet = "UTF-8",
ErrorCorrection = _level,
Margin = param.DrawBorder ? 2 : 0,
Width = param.Size,
Height = param.Size,
},
Renderer = new BitmapRenderer
{
Foreground = Color.FromName(param.Foreground.Name),
Background = Color.FromName(param.Background.Name)
}
};
return(bitmapBarcodeWriter.Write(param.Content));
}
