private void Button_Click(object sender, RoutedEventArgs e)
{
try
{
Code128Content content = new Code128Content(txtInput.Text);
this.txtGenBarCode.Text = string.Join(string.Empty, content.Codes);
System.Drawing.Image myimg = Code128Rendering.MakeBarcodeImage(txtInput.Text, int.Parse(txtWeight.Text), true);
MemoryStream ms = new MemoryStream(); // no using here! BitmapImage will dispose the stream after loading
myimg.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
BitmapImage ix = new BitmapImage();
ix.BeginInit();
ix.CacheOption = BitmapCacheOption.OnLoad;
ix.StreamSource = ms;
ix.EndInit();
this.imgBarCode.Source = ix;
}
catch (Exception ex)
{
//MessageBox.Show(this, ex.Message, this.txtInput.Text);
}
}
public bool GetGenerateBarCodeText(SensorDataModel sensorDataModel, out string generatedText)
{
generatedText = string.Empty;
var barCodeString = BarcodeManager.GenerateBarCodeString(sensorDataModel);
if (string.IsNullOrEmpty(barCodeString))
return false;
Code128Content content = new Code128Content(barCodeString);
generatedText = string.Join(string.Empty, content.Codes);
return true;
}
/// <summary>
/// Make an image of a Code128 barcode for a given string
/// </summary>
/// <param name="InputData">Message to be encoded</param>
/// <param name="BarWeight">Base thickness for bar width (1 or 2 works well)</param>
/// <param name="AddQuietZone">Add required horiz margins (use if output is tight)</param>
/// <returns>An Image of the Code128 barcode representing the message</returns>
public static System.Drawing.Image MakeBarcodeImage( string InputData, int BarWeight, bool AddQuietZone )
{
// get the Code128 codes to represent the message
Code128Content content = new Code128Content( InputData );
int[] codes = content.Codes;
int width, height;
width = ( (codes.Length-3) * 11 + 35) * BarWeight;
height = Convert.ToInt32( System.Math.Ceiling( Convert.ToSingle(width) * .15F) );
if (AddQuietZone)
{
width += 2 * cQuietWidth * BarWeight; // on both sides
}
// get surface to draw on
Image myimg = new System.Drawing.Bitmap(width, height);
using (Graphics gr = Graphics.FromImage(myimg))
{
// set to white so we don't have to fill the spaces with white
gr.FillRectangle(System.Drawing.Brushes.White, 0, 0, width, height);
// skip quiet zone
int cursor = AddQuietZone ? cQuietWidth * BarWeight : 0;
for (int codeidx = 0; codeidx < codes.Length; codeidx++)
{
int code = codes[codeidx];
// take the bars two at a time: a black and a white
for (int bar = 0; bar < 8; bar += 2)
{
int barwidth = cPatterns[code, bar] * BarWeight;
int spcwidth = cPatterns[code, bar + 1] * BarWeight;
// if width is zero, don't try to draw it
if (barwidth > 0)
{
gr.FillRectangle(System.Drawing.Brushes.Black, cursor, 0, barwidth, height);
}
// note that we never need to draw the space, since we
// initialized the graphics to all white
// advance cursor beyond this pair
cursor += (barwidth + spcwidth);
}
}
}
return myimg;
}