| public CreateDrawingImage ( System foreground, System background ) : System.Drawing.Image | ||
| foreground | System | |
| background | System | |
| return | System.Drawing.Image | |
/// <summary>
/// this version outputs gif to web page
/// ProcessRequest is intrinsic function of hppthandler, do not change the name
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(HttpContext context)
{
//for a custom httphandler make sure it's referenced in web.config in httpHandlers
//<add verb="GET" path="*barcode.gif" type="barcode_handler" validate ="false" />
//
if(context.Request["code"] != null){
string _code = wwi_security.DecryptString(context.Request["code"].ToString(),"publiship"); //code to use
int _wd = 120; //context.Request["wd"] != null ? wwi_func.vint(context.Request["wd"].ToString()) : 120; //width
int _ht = 30; //context.Request["ht"] != null ? wwi_func.vint(context.Request["ht"].ToString()) : 30; //height
Barcode128 _bc = new Barcode128();
_bc.CodeType = Barcode.CODE128;
_bc.ChecksumText = true;
_bc.GenerateChecksum = true;
_bc.Code = _code;
//draws directly to web page with no code underneath bar
//System.Drawing.Bitmap _bm = new System.Drawing.Bitmap(_bc.CreateDrawingImage(System.Drawing.Color.Black, System.Drawing.Color.White));
//_bm.Save(context.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);
//draws with actual code underneath bar
//create bitmap from System.Drawing library, add some height for actual code underneath
Bitmap _bm = new Bitmap(_wd, _ht + 10);
//provide this, else the background will be black by default
Graphics _gr = Graphics.FromImage(_bm);
_gr.PageUnit = GraphicsUnit.Pixel;
_gr.Clear(Color.White);
//draw the barcode
_gr.DrawImage(_bc.CreateDrawingImage(Color.Black, System.Drawing.Color.White), new Point(0,0));
//place text underneath - if you want the placement to be dynamic, calculate the point based on size of the image
System.Drawing.Font _ft = new System.Drawing.Font("Arial", 8, FontStyle.Regular);
SizeF _sz = _gr.MeasureString(_code, _ft);
//position text
_wd = (_wd - (int)_sz.Width) / 2;
StringFormat _sf = new StringFormat();
_sf.Alignment = StringAlignment.Center;
_sf.LineAlignment = StringAlignment.Center;
_gr.DrawString(_code, _ft, SystemBrushes.WindowText,_wd,_ht, _sf);
//output as gif to web page, can also save it to external file
_bm.Save(context.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);
}//end if
}
public Bitmap box(string prodCode, string urun, string renk, string numara, string nakitFiyat, string krediFiyat)
{
System.Drawing.Bitmap bmpimg;
Barcode128 code128 = new Barcode128();
code128.CodeType = iTextSharp.text.pdf.Barcode.CODE128;
code128.ChecksumText = true;
code128.GenerateChecksum = true;
code128.StartStopText = false;
code128.Code = prodCode;
code128.BarHeight = 60;
bmpimg = new Bitmap(130, 150);
Graphics bmpgraphics = Graphics.FromImage(bmpimg);
Pen pen = new Pen(Color.Black, 3.0f);
System.Drawing.Rectangle rec = new System.Drawing.Rectangle(92, 2, 32, 27);
bmpgraphics.Clear(Color.White);
bmpgraphics.DrawRectangle(pen, rec);
bmpgraphics.DrawString(urun, new System.Drawing.Font("Arial", 9, FontStyle.Bold), SystemBrushes.WindowText, new Point(8, 4));
bmpgraphics.DrawString(renk, new System.Drawing.Font("Arial", 8, FontStyle.Regular), SystemBrushes.WindowText, new Point(8, 18));
bmpgraphics.DrawString(numara, new System.Drawing.Font("Arial", 15, FontStyle.Bold), SystemBrushes.WindowText, new Point(95, 5));
bmpgraphics.DrawImage(code128.CreateDrawingImage(System.Drawing.Color.Black, System.Drawing.Color.White), new Point(10, 40));
bmpgraphics.DrawString(prodCode, new System.Drawing.Font("Arial", 7, FontStyle.Regular), SystemBrushes.WindowText, new Point(30, 102));
bmpgraphics.DrawString("Nakit:" + nakitFiyat + " TL", new System.Drawing.Font("Arial", 12, FontStyle.Bold), SystemBrushes.WindowText, new Point(15, 114));
bmpgraphics.DrawString("Kredi:" + krediFiyat + " TL", new System.Drawing.Font("Arial", 12, FontStyle.Bold), SystemBrushes.WindowText, new Point(15, 132));
//pictureBox1.Image = bmpimg;
return bmpimg;
}
// Tuotteen lisäys nappulan koodit
private void btn_add_prod_Click(object sender, RoutedEventArgs e)
{
Random rnd = new Random(); // Random num generaattori
string random_barcode = rnd.Next(10000000, 99999999).ToString(); // Tehdään barcode random numerolla
// Luodaan barcode
Barcode128 code128 = new Barcode128();
code128.CodeType = Barcode.CODE128_UCC;
code128.Code = random_barcode;
// Generoidaan barcode png image /barcodes hakemistoon
System.Drawing.Bitmap barcode = new System.Drawing.Bitmap(code128.CreateDrawingImage(System.Drawing.Color.Black, System.Drawing.Color.White)); // Mustaa valkoiselle
barcode.Save("barcodes/"+random_barcode+".png"); // Tallennetaan /barcodes hakemistoon
// Ihan samat SQL Connectionit kun aina.
string dbConnectionString = @"Data Source=database.db;Version=3;";
SQLiteConnection sqliteCon = new SQLiteConnection(dbConnectionString);
if (tb_name_update.Text != "" && tb_brand_update.Text != "" && tb_qty_update.Text != "") // Jos nimi, brändi ja määrä kentät EIvät ole tyhjiä niin eteenpäin. (Muuten tulee vähän huono tuotemerkintä.)
{
try
{
sqliteCon.Open();
string Query = "INSERT INTO products (name, brand, price, qty, desc, barcode) VALUES('" + this.tb_name_update.Text + "','" + this.tb_brand_update.Text + "','" + this.tb_price_update.Text + "','" + this.tb_qty_update.Text + "','" + this.tb_desc_update.Text + "','"+random_barcode+"') ";
SQLiteCommand createCommand = new SQLiteCommand(Query, sqliteCon);
createCommand.ExecuteNonQuery();
sqliteCon.Close(); // Sinne vaan pusketaan tiedot taas tietokantaan ja näytetään käyttäjälle ilmoitus ja suljetaan db-yhteys.
MessageBox.Show("Product added successfully!");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
// Kun tiedot on uploadattu niin päivitetäänpä samalla vaivalla datagrid niin ei pysyy käyttäjäkin ajan tasalla.
updateGrid();
}
}
//**********************************************************************************
//Generar un nuevo codigo de barras
public Bitmap GenerarCodBarras(string codParaGenerar)
{
Barcode128 codigo_barras = new Barcode128();
codigo_barras.CodeType = Barcode128.CODE128;
codigo_barras.Code = codParaGenerar;
codigo_barras.AltText = codParaGenerar;
codigo_barras.TextAlignment = Barcode128.SHIFT;
Bitmap codigo_barras_completo = new Bitmap(codigo_barras.CreateDrawingImage(Color.Black, Color.White));
return codigo_barras_completo;
}
