public IActionResult QrCodeGenerateImg([FromBody] QrCodeDataModel model)
{
var result = GenerateQrCodeImg(model, out var img, out var svg);
if (result != null)
{
return(new JsonResult(result));
}
return(Redirect(img.DownloadUrl(FileExtensions.DownloadType.ByStatic)));
}
public IActionResult QrCodeGenerate([FromBody] QrCodeDataModel model)
{
var result = GenerateQrCodeImg(model, out var img, out var svg);
if (result != null)
{
return(new JsonResult(result));
}
return(new JsonResult(new QrCodeViewModel()
{
Data = new QrCodeDataModel()
{
Data = model.Data,
Img = img.DownloadUrl(FileExtensions.DownloadType.ByStatic),
Svg = svg.DownloadUrl(FileExtensions.DownloadType.ByStatic)
}
}));
}
public IActionResult QrCodeScan([FromBody] QrCodeDataModel model)
{
if (model == null)
{
return(new JsonResult(ActionStatusMessage.StaticMessage.QrCode.NoData));
}
var imgRaw = Convert.FromBase64String(model.Img);
using (var ms = new MemoryStream(imgRaw))
{
var image = Image.FromStream(ms);
var bitmap = new HybridBinarizer(new RGBLuminanceSource(imgRaw, image.Width, image.Height));
return(new JsonResult(new QrCodeViewModel()
{
Data = new QrCodeDataModel()
{
Data = new ZXing.QrCode.QRCodeReader().decode(new BinaryBitmap(bitmap)).Text
}
}));
}
}
private ApiResult GenerateQrCodeImg(QrCodeDataModel model, out UserFileInfo jpgFile, out UserFileInfo svgFile)
{
var fileNameRaw = $"{model.Data}_{model.Margin}_{model.Icon}_{model.LightColor}_{model.DarkColor}_{model.Size}";
var fileName = $"{fileNameRaw.ToMd5()}";
var imgFileName = $"{fileName}.jpg";
var svgFileName = $"{fileName}.svg";
UserFile iconFileRaw = null;
if (model.Icon?.FileName != null)
{
Guid.TryParse(model.Icon.FileName, out var fid);
if (fid != Guid.Empty)
{
iconFileRaw = _fileServices.Download(fid);
}
}
Bitmap icon = null;
if (iconFileRaw != null)
{
using (var iconMs = new MemoryStream(iconFileRaw.Data))
{
icon = new Bitmap(iconMs);
}
}
jpgFile = _fileServices.Load(QRCodePath, imgFileName);
svgFile = _fileServices.Load(QRCodePath, svgFileName);
if (jpgFile != null && svgFile != null)
{
return(null);
}
if (model == null)
{
return(ActionStatusMessage.StaticMessage.QrCode.NoData);
}
var rawText = model.Data;
if (rawText == null)
{
return(ActionStatusMessage.StaticMessage.QrCode.NoData);
}
var qrCodeData = new QRCoder.QRCodeGenerator().CreateQrCode(rawText, QRCodeGenerator.ECCLevel.H);
var svg = new SvgQRCode(qrCodeData).GetGraphic(model.Size, model.DarkColor, model.LightColor, true, SvgQRCode.SizingMode.ViewBoxAttribute);
var bitmap = new QRCode(qrCodeData).GetGraphic(model.Size, ColorTranslator.FromHtml(model.DarkColor), ColorTranslator.FromHtml(model.LightColor), icon, model.Icon?.IconSize ?? 15, model.Icon?.BorderSize ?? 6, model?.Margin ?? false);
if (jpgFile == null)
{
using (MemoryStream stream = new MemoryStream())
{
bitmap.Save(stream, ImageFormat.Jpeg);
var imgf = new FormFile(stream, 0, stream.Length, imgFileName, imgFileName);
jpgFile = _fileServices.Upload(imgf, QRCodePath, imgFileName, Guid.Empty, Guid.Empty).Result;
}
}
if (svgFile == null)
{
using (var sr = new MemoryStream())
{
sr.Write(Encoding.UTF8.GetBytes(svg));
var svgf = new FormFile(sr, 0, sr.Length, svgFileName, svgFileName);
svgFile = _fileServices.Upload(svgf, QRCodePath, svgFileName, Guid.Empty, Guid.Empty).Result;
}
}
return(null);
}