protected virtual void Update()
{
if (string.IsNullOrEmpty(this.Value) || this.Symbology == null)
{
this.ElementFactory.ClearElements();
this.Invalidate();
}
else
{
(this.Symbology as Symbology1D)?.ProcessValue(this.Value);
PDF417 symbology = this.Symbology as PDF417;
symbology?.PopulateMatrix(this.value, symbology.ECLevel, symbology.EncodingMode, symbology.Columns, symbology.Rows);
(this.Symbology as QRCode)?.EncodeData(this.value);
this.InvalidateMeasure();
this.InvalidateArrange();
this.UpdateLayout();
this.Invalidate();
}
}
protected virtual SizeF MeasureSymbology(SizeF availableSize)
{
Symbology1D symbology1 = this.Symbology as Symbology1D;
if (symbology1 != null)
{
return(symbology1.MeasureContent((IMeasureContext) new MeasureContext(this.GetScaledFont(this.DpiScaleFactor.Height)), availableSize));
}
PDF417 symbology2 = this.Symbology as PDF417;
if (symbology2 != null)
{
return(new SizeF((float)(symbology2.DataMatrix.GetLength(1) * symbology2.Module), (float)(symbology2.DataMatrix.GetLength(0) * symbology2.Module)));
}
QRCode symbology3 = this.Symbology as QRCode;
if (symbology3 != null)
{
return(new SizeF((float)(symbology3.BinaryMatrix.GetLength(1) * symbology3.Module), (float)(symbology3.BinaryMatrix.GetLength(0) * symbology3.Module)));
}
return(SizeF.Empty);
}
public override void DpiScaleChanged(SizeF scaleFactor)
{
base.DpiScaleChanged(scaleFactor);
Symbology1D symbology1 = this.Symbology as Symbology1D;
if (symbology1 != null)
{
symbology1.Module = (int)Math.Round((double)symbology1.Module * ((double)this.DpiScaleFactor.Width / (double)this.previousDpi.Width));
}
PDF417 symbology2 = this.Symbology as PDF417;
if (symbology2 != null)
{
symbology2.Module = (int)Math.Round((double)symbology2.Module * ((double)this.DpiScaleFactor.Width / (double)this.previousDpi.Width), MidpointRounding.AwayFromZero);
}
QRCode symbology3 = this.Symbology as QRCode;
if (symbology3 != null)
{
symbology3.Module = (int)Math.Round((double)symbology3.Module * ((double)this.DpiScaleFactor.Width / (double)this.previousDpi.Width), MidpointRounding.AwayFromZero);
}
this.previousDpi = scaleFactor;
}
private void button1_Click(object sender, EventArgs e)
{
if (comboBox1.Text == "Code128")
{
Code128 bc = new Code128();
int i;
bc.BarcodeSubtype = (Code128Subtype)Enum.Parse(typeof(Code128Subtype), comboBox2.Text);
int.TryParse(textBox3.Text, out i); bc.Height = i;
int.TryParse(textBox2.Text, out i); bc.ModuleWidth = i;
bc.TextAbove = checkBox2.Checked;
bc.DisplayText = checkBox1.Checked;
int.TryParse(textBox4.Text, out i); bc.RotationAngle = i;
try
{
if (checkBox3.Checked)
{
try
{
string line;
System.IO.StreamReader file = new System.IO.StreamReader(textBox5.Text);
while ((line = file.ReadLine()) != null)
{
bc.SaveBarcodeToFile(line, String.Format("{0}\\{1}.{2}", Path.GetDirectoryName(textBox5.Text), line, "gif"));
}
file.Close();
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
}
else
{
pictureBox1.Image = bc.GetBarcodeImage(textBox1.Text);
bc.SaveBarcodeToFile(textBox1.Text, @"C:\Temp\BC.gif");
}
}
catch (Exception) { }
}
;
if (comboBox1.Text == "Code39")
{
Code39 bc = new Code39();
int i;
int.TryParse(textBox3.Text, out i); bc.Height = i;
int.TryParse(textBox2.Text, out i); bc.ModuleWidth = i;
bc.TextAbove = checkBox2.Checked;
bc.DisplayText = checkBox1.Checked;
int.TryParse(textBox4.Text, out i); bc.RotationAngle = i;
pictureBox1.Image = bc.GetBarcodeImage(textBox1.Text);
bc.SaveBarcodeToFile(textBox1.Text, @"C:\Temp\BC.gif");
}
if (comboBox1.Text == "PDF417")
{
PDF417 bc = new PDF417();
int i;
int.TryParse(textBox2.Text, out i); bc.ModuleWidth = i;
int.TryParse(textBox4.Text, out i); bc.RotationAngle = i;
pictureBox1.Image = bc.GetBarcodeImage(textBox1.Text);
bc.SaveBarcodeToFile(textBox1.Text, @"C:\Temp\BC.gif");
}
if (comboBox1.Text == "QRCode")
{
QRCode bc = new QRCode();
int i;
int.TryParse(textBox2.Text, out i); bc.ModuleWidth = i;
//int.TryParse(textBox4.Text, out i); bc.RotationAngle = i;
int.TryParse(textBox4.Text, out i); bc.ErrorCorrectionLevel = i;
pictureBox1.Image = bc.GetBarcodeImage(textBox1.Text);
bc.SaveBarcodeToFile(textBox1.Text, @"C:\Temp\BC.gif");
}
if (comboBox1.Text == "DataMatrix")
{
DataMatrix bc = new DataMatrix();
int i;
int.TryParse(textBox2.Text, out i); bc.ModuleWidth = i;
//int.TryParse(textBox4.Text, out i); bc.RotationAngle = i;
//int.TryParse(textBox4.Text, out i); bc.ErrorCorrectionLevel = i;
pictureBox1.Image = bc.GetBarcodeImage(textBox1.Text);
bc.SaveBarcodeToFile(textBox1.Text, @"C:\Temp\BC.gif");
}
//BarcodeGenerator BCG = new BarcodeGenerator();
//BCG.BarcodeType = BarcodeType.Code39;
//pictureBox1.Image = BCG.GetBarcodeImage(textBox1.Text);
//textBox2.Text = BCG.TextWidth.ToString();
//MessageBox.Show(NumberFormatInfo.CurrentInfo.PerMilleSymbol);
//MessageBox.Show(NumberFormatInfo.CurrentInfo.NegativeInfinitySymbol);
//MessageBox.Show((-1).ToString("x"));
}
private void btnGen_Click(object sender, EventArgs e)
{
Options opt = (Options)cbType.SelectedItem;
string strCont = tbCon.Text.Trim();
string pic = "D:\\Temp\\Barcode_" + DateTime.Now.ToString("MMddHHmmss") + ".jpg";
picbc.Invalidate();
if (strCont != "")
{
if (opt == null)
{
MessageBox.Show("Please choice \"Label Type\"!!");
}
else
{
switch (opt.Value)
{
case 1:
case 2:
Linear lb = new Linear();
if (opt.Value == 1)
{
lb.Type = BarcodeType.CODE39;
lb.Data = strCont.ToUpper();
}
else
{
lb.Type = BarcodeType.CODE128;
lb.Data = strCont;
}
if (cbox.Checked)
{
lb.ShowText = true;
}
else
{
lb.ShowText = false;
}
lb.BearerBarWidth = 2;
lb.BarHeight = 50;
lb.drawBarcode(pic);
break;
case 3:
PDF417 p = new PDF417();
p.Data = strCont;
p.Columns = 5;
p.Rows = 10;
p.drawBarcode(pic);
break;
case 4:
DataMatrix dm = new DataMatrix();
dm.ModuleSize = 8;
dm.RightMargin = 6;
dm.LeftMargin = 6;
dm.TopMargin = 6;
dm.BottomMargin = 6;
dm.drawBarcode(pic);
break;
case 5:
QRCode qr = new QRCode();
qr.ModuleSize = 7;
qr.RightMargin = 3;
qr.LeftMargin = 3;
qr.TopMargin = 3;
qr.BottomMargin = 3;
qr.drawBarcode(pic);
break;
default:
break;
}
if (File.Exists(pic))
{
Bitmap bmp = new Bitmap(pic);
try
{
picbc.Width = bmp.Width;
picbc.Height = bmp.Height;
int pw = (panel1.Width - picbc.Width) / 2;
int ph = (panel1.Height - picbc.Height) / 2;
picbc.Left = pw;
picbc.Top = ph;
picbc.Image = bmp;
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
}
}
else
{
MessageBox.Show("Conten is empty!!");
}
}
private void btnImprimirCodigoBarras_Click(object sender, System.EventArgs e)
{
CodigoBarras codigoBarras;
switch (cboCodigoBarras.SelectedIndex)
{
case 0: codigoBarras = new EAN8(); break;
case 1: codigoBarras = new EAN13();break;
case 2: codigoBarras = new CODABAR();break;
case 3: codigoBarras = new CODE39();break;
case 4: codigoBarras = new CODE93();break;
case 5: codigoBarras = new CODE128();break;
case 6: codigoBarras = new ISBN();break;
case 7: codigoBarras = new ITF();break;
case 8: codigoBarras = new MSI();break;
case 9: codigoBarras = new PDF417();break;
case 10: codigoBarras = new PLESSEY();break;
case 11: codigoBarras = new UPCA();break;
case 12: codigoBarras = new UPCE();break;
default: codigoBarras = new EAN13();break;
}
codigoBarras.Codigo = txtCodigoBarras.Text;
// fonte
if (rbtFonteNormal.Checked)
{
codigoBarras.Fonte = CodigoBarras.FonteLegenda.Normal;
}
else
{
codigoBarras.Fonte = CodigoBarras.FonteLegenda.Condensada;
}
// largura das barras
if (rbtFina.Checked)
{
codigoBarras.Largura = CodigoBarras.LarguraBarra.Fina;
}
else if(rbtMedia.Checked)
{
codigoBarras.Largura = CodigoBarras.LarguraBarra.Media;
}
else
{
codigoBarras.Largura = CodigoBarras.LarguraBarra.Grossa;
}
// posicao legenda
if (rbtCaracteresAbaixoCodigo.Checked)
{
codigoBarras.Posicao = CodigoBarras.PosicaoLegenda.Abaixo;
}
else if(rbtCaracteresAcimaCodigo.Checked)
{
codigoBarras.Posicao = CodigoBarras.PosicaoLegenda.Acima;
}
else if(rbtCaracteresAcimaAbaixoCodigo.Checked)
{
codigoBarras.Posicao = CodigoBarras.PosicaoLegenda.AcimaAbaixo;
}
else
{
codigoBarras.Posicao = CodigoBarras.PosicaoLegenda.Nenhuma;
}
try
{
miniPrinter.Imprimir(codigoBarras);
}
catch (BematechException erro)
{
MessageBox.Show(erro.Message, "TestMiniPrinter", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
