public static string Barcode(string strImgID, Int64 iformat, string strSessionID, ref string strResult)
{
try
{
if (strImgID == null || strImgID.Trim() == "")
{
throw new Exception("No barcode exist.");
}
Bitmap _bitmap = BarcodeMode.DoBarcode(strImgID, iformat, strSessionID, ref strResult);
string strFileName = BarcodeAccess.GetNextFileIndex(strImgID, strSessionID);
string strFullPath = BarcodeAccess.GetUploadFolder() + System.IO.Path.DirectorySeparatorChar + strSessionID + System.IO.Path.DirectorySeparatorChar + strFileName;
_bitmap.Save(strFullPath, GetImageFormat(strImgID));
if (_bitmap != null)
{
_bitmap.Dispose();
}
return("Images/Upload/" + strSessionID + "/" + strFileName);
}
catch (Exception exp)
{
if (exp.Message.Contains("No barcode found.") == true)
{
return(CreateError(strImgID, "No barcode found.", strSessionID) + ";" + exp.Message);
}
else
{
throw;
}
}
}
private static string CreateError(string strImgID, string strErrorMessage, string strSessionID)
{
try
{
return(BarcodeMode.CreateErrorInner(strImgID, strErrorMessage, strSessionID));
}
catch (Exception)
{
return(BarcodeMode.CreateErrorInner(null, strErrorMessage, strSessionID));
}
}
private static string CreateErrorInner(string strImgID, string strErrorMessage, string strSessionID)
{
Bitmap _bitmap = BarcodeMode.CreateErrorImg(strImgID, "No barcode found.", strSessionID);
string strFileName = BarcodeAccess.GetNextFileIndex(strImgID, strSessionID);
string strFullPath = BarcodeAccess.GetUploadFolder() + System.IO.Path.DirectorySeparatorChar + strSessionID + System.IO.Path.DirectorySeparatorChar + strFileName;
_bitmap.Save(strFullPath, GetImageFormat(strImgID));
if (_bitmap != null)
{
_bitmap.Dispose();
}
return("Images/Upload/" + strSessionID + "/" + strFileName);
}
private static Bitmap DoBarcode(string strImgID, Int64 format, string strSessionID, ref string strResult)
{
strResult = "";
using (Bitmap bitmap = new Bitmap(BarcodeAccess.GetImgPathByName(strImgID, strSessionID)))
{
DateTime beginTime = DateTime.Now;
BarcodeResult[] listResult = BarcodeMode.GetBarcode(bitmap, format, strSessionID);
DateTime afterTime = DateTime.Now;
TimeSpan midTime = afterTime - beginTime;
if (listResult == null || listResult.Length == 0)
{
throw new BarcodeException("No barcode found. Total time spent: " + midTime.TotalSeconds.ToString("F3") + " seconds.<br/>");
}
strResult = "Total barcode(s) found: " + listResult.Length + ". Total time spent: " + midTime.TotalSeconds.ToString("F3") + " seconds.<br/><br/>";
Bitmap _bitmap = new Bitmap(bitmap.Width, bitmap.Height);
using (Graphics g = Graphics.FromImage(_bitmap))
{
g.DrawImage(bitmap, new Rectangle(0, 0, bitmap.Width, bitmap.Height), 0, 0, bitmap.Width, bitmap.Height, GraphicsUnit.Pixel);
float fsize = bitmap.Width / 80f;
if (fsize < 12)
{
fsize = 12;
}
using (Font font = new Font("Times New Roman", fsize, FontStyle.Bold))
{
int i = 1;
foreach (BarcodeResult Item in listResult)
{
strResult = strResult + "  Barcode " + i + ":<br/>";
strResult = strResult + "    Page: 1" + "<br/>";
strResult = strResult + "    Type: " + Item.BarcodeFormat + "<br/>";
strResult = strResult + "    Value: " + Item.BarcodeText + "<br/>";
strResult = strResult + "    Region: {left: " + Item.ResultPoints[0].X
+ ", Top: " + Item.ResultPoints[0].Y
+ ", Width: " + Item.BoundingRect.Width
+ ", Height: " + Item.BoundingRect.Height + "}<br/><br/>";
List <Point> listPoint = new List <Point>();
PointF tmp = new PointF(00, 40);
if (Item.ResultPoints.Length > 0)
{
tmp.X = (float)Item.ResultPoints[0].X;
tmp.Y = (float)Item.ResultPoints[0].Y;
}
SizeF sizeFT = g.MeasureString("[" + i + "]" + Item.BarcodeText, font);
if (tmp.Y + sizeFT.Height > _bitmap.Height)
{
tmp.Y = tmp.Y - 30 > 0 ? tmp.Y - 30 : 0;
}
if (sizeFT.Width + tmp.X > _bitmap.Width)
{
tmp.X = 0;
}
g.FillRectangle(Brushes.White, new RectangleF(new PointF(tmp.X, tmp.Y), sizeFT));
g.DrawString("[" + i + "]" + Item.BarcodeText, font, Brushes.Red, tmp.X, tmp.Y);
i++;
}
}
}
return(_bitmap);
}
}