public static IHtmlString GenerateQrCodeForAdmin(this HtmlHelper html, int offerId, string url, string alt = "QR code", int height = 75, int width = 75, int margin = 0)
{
var qrWriter = new BarcodeWriter();
qrWriter.Format = BarcodeFormat.QR_CODE;
qrWriter.Options = new EncodingOptions()
{
Height = height, Width = width, Margin = margin
};
using (var q = qrWriter.Write(url))
{
using (var ms = new MemoryStream())
{
q.Save(ms, ImageFormat.Png);
var img = new TagBuilder("img");
img.Attributes.Add("src", String.Format("data:image/png;base64,{0}", Convert.ToBase64String(ms.ToArray())));
img.Attributes.Add("alt", Convert.ToString(offerId));
var serverPath = System.Web.HttpContext.Current.Server.MapPath("~/Uploads/QRCodes");
string fileName = string.Concat(offerId, ".png");
string path = Path.Combine(serverPath, fileName);
if (!File.Exists(path))
{
FileSaveHelper.SaveBytesToFile(ms.ToArray(), path);
}
return(MvcHtmlString.Create(img.ToString(TagRenderMode.SelfClosing)));
}
}
}
public static void GenerateAndSaveQrCode(string appUserEmail, int swapId, string url, string alt = "QR code", int height = 75, int width = 75, int margin = 0)
{
var qrWriter = new BarcodeWriter();
qrWriter.Format = BarcodeFormat.QR_CODE;
qrWriter.Options = new EncodingOptions()
{
Height = height, Width = width, Margin = margin
};
using (var q = qrWriter.Write(url))
{
using (var ms = new MemoryStream())
{
q.Save(ms, ImageFormat.Png);
//var img = new TagBuilder("img");
//img.Attributes.Add("src", String.Format("data:image/png;base64,{0}", Convert.ToBase64String(ms.ToArray())));
//img.Attributes.Add("alt", alt);
var serverPath = System.Web.HttpContext.Current.Server.MapPath("~/Uploads/QRCodes");
string fileName = string.Concat(swapId, ".png");
string path = Path.Combine(serverPath, fileName);
if (!File.Exists(path))
{
FileSaveHelper.SaveBytesToFile(ms.ToArray(), path);
}
EmailHelper.EmailAttachement(appUserEmail, "QR Code", "please find the attached QR Code", path);
}
}
}
public static string GenerateAndSaveQrCodeForOffer(string appUserEmail, int offerId, string url, string alt = "QR code", int height = 75, int width = 75, int margin = 0)
{
var qrWriter = new BarcodeWriter();
qrWriter.Format = BarcodeFormat.QR_CODE;
qrWriter.Options = new EncodingOptions()
{
Height = height, Width = width, Margin = margin
};
using (var q = qrWriter.Write(url))
{
using (var ms = new MemoryStream())
{
q.Save(ms, ImageFormat.Png);
var serverPath = System.Web.HttpContext.Current.Server.MapPath("~/Uploads/QRCodes");
string fileName = string.Concat(offerId, ".png");
string path = Path.Combine(serverPath, fileName);
if (!File.Exists(path))
{
FileSaveHelper.SaveBytesToFile(ms.ToArray(), path);
}
return(path);
}
}
}