// Fill backround with white color
// g.Clear(Color.White);
int lineWidth = 1;
int x = drawBounds.X;
// Paint human readable 1 system symbol code
g.DrawString(symbols[0].ToString(),font,new SolidBrush(Color.Black),x,drawBounds.Y + drawBounds.Height - 16);
x += 10;
// Paint left 'guard bars', always same '101'
g.DrawLine(new Pen(Color.Black,lineWidth),x,drawBounds.Y,x,drawBounds.Y + drawBounds.Height);
x += lineWidth;
g.DrawLine(new Pen(Color.White,lineWidth),x,drawBounds.Y,x,drawBounds.Y + drawBounds.Height);
x += lineWidth;
g.DrawLine(new Pen(Color.Black,lineWidth),x,drawBounds.Y,x,drawBounds.Y + drawBounds.Height);
x += lineWidth;
// First number of barcode specifies how to encode each character in the left-hand
// side of the barcode should be encoded.
bool[] leftSideParity = new bool[6];
switch(symbols[0])
{
case '0':
leftSideParity[0] = true; // Odd
leftSideParity[1] = true; // Odd
leftSideParity[2] = true; // Odd
leftSideParity[3] = true; // Odd
leftSideParity[4] = true; // Odd
leftSideParity[5] = true; // Odd
break;
case '1':
leftSideParity[0] = true; // Odd
leftSideParity[1] = true; // Odd
leftSideParity[2] = false; // Even
leftSideParity[3] = true; // Odd
leftSideParity[4] = false; // Even
leftSideParity[5] = false; // Even
break;
case '2':
leftSideParity[0] = true; // Odd
leftSideParity[1] = true; // Odd
leftSideParity[2] = false; // Even
leftSideParity[3] = false; // Even
leftSideParity[4] = true; // Odd
leftSideParity[5] = false; // Even
break;
case '3':
leftSideParity[0] = true; // Odd
leftSideParity[1] = true; // Odd
leftSideParity[2] = false; // Even
leftSideParity[3] = false; // Even
leftSideParity[4] = false; // Even
leftSideParity[5] = true; // Odd
break;
case '4':
leftSideParity[0] = true; // Odd
leftSideParity[1] = false; // Even
leftSideParity[2] = true; // Odd
leftSideParity[3] = true; // Odd
leftSideParity[4] = false; // Even
leftSideParity[5] = false; // Even
break;
case '5':
leftSideParity[0] = true; // Odd
leftSideParity[1] = false; // Even
leftSideParity[2] = false; // Even
leftSideParity[3] = true; // Odd
leftSideParity[4] = true; // Odd
leftSideParity[5] = false; // Even
break;
case '6':
leftSideParity[0] = true; // Odd
leftSideParity[1] = false; // Even
leftSideParity[2] = false; // Even
leftSideParity[3] = false; // Even
leftSideParity[4] = true; // Odd
leftSideParity[5] = true; // Odd
break;
case '7':
leftSideParity[0] = true; // Odd
leftSideParity[1] = false; // Even
leftSideParity[2] = true; // Odd
leftSideParity[3] = false; // Even
leftSideParity[4] = true; // Odd
leftSideParity[5] = false; // Even
break;
case '8':
leftSideParity[0] = true; // Odd
leftSideParity[1] = false; // Even
leftSideParity[2] = true; // Odd
leftSideParity[3] = false; // Even
leftSideParity[4] = false; // Even
leftSideParity[5] = true; // Odd
break;
case '9':
leftSideParity[0] = true; // Odd
leftSideParity[1] = false; // Even
leftSideParity[2] = false; // Even
leftSideParity[3] = true; // Odd
leftSideParity[4] = false; // Even
leftSideParity[5] = true; // Odd
break;
}
// second number system digit + 5 symbol manufacter code
string lines = "";
for(int i=0;i<6;i++){
bool oddParity = leftSideParity[i];
if(oddParity){
switch(symbols[i + 1])
{
case '0':
lines += "0001101";
break;
case '1':
lines += "0011001";
break;
case '2':
lines += "0010011";
break;
case '3':
lines += "0111101";
break;
case '4':
lines += "0100011";
break;
case '5':
lines += "0110001";
break;
case '6':
lines += "0101111";
break;
case '7':
lines += "0111011";
break;
case '8':
lines += "0110111";
break;
case '9':
lines += "0001011";
break;
}
}
// Even parity
else{
switch(symbols[i + 1])
{
case '0':
lines += "0100111";
break;
case '1':
lines += "0110011";
break;
case '2':
lines += "0011011";
break;
case '3':
lines += "0100001";
break;
case '4':
lines += "0011101";
break;
case '5':
lines += "0111001";
break;
case '6':
lines += "0000101";
break;
case '7':
lines += "0010001";
break;
case '8':
lines += "0001001";
break;
case '9':
lines += "0010111";
break;
}
}
}
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
namespace BarCodeEAN13
{
/// <summary>
/// Barcode control.
/// </summary>
public class wctrl_BarCode
{
private static string getENA13Code(string Numbers12bit)
{
int c1 = 0;
int c2 = 0;