private int[] StringToCode128(string AsciiData)
{
int num;
byte[] bytes = Encoding.ASCII.GetBytes(AsciiData);
Code128Code.CodeSetAllowed allowed = (bytes.Length > 0) ? Code128Code.CodesetAllowedForChar(bytes[0]) : Code128Code.CodeSetAllowed.CodeAorB;
Code128Code.CodeSetAllowed allowed2 = (bytes.Length > 0) ? Code128Code.CodesetAllowedForChar(bytes[1]) : Code128Code.CodeSetAllowed.CodeAorB;
CodeSet bestStartSet = this.GetBestStartSet(allowed, allowed2);
ArrayList list = new ArrayList(bytes.Length + 3);
list.Add(Code128Code.StartCodeForCodeSet(bestStartSet));
for (num = 0; num < bytes.Length; num++)
{
int charAscii = bytes[num];
int lookAheadAscii = (bytes.Length > (num + 1)) ? bytes[num + 1] : -1;
list.AddRange(Code128Code.CodesForChar(charAscii, lookAheadAscii, ref bestStartSet));
}
int num4 = (int)list[0];
for (num = 1; num < list.Count; num++)
{
num4 += num * ((int)list[num]);
}
list.Add(num4 % 0x67);
list.Add(Code128Code.StopCode());
return(list.ToArray(typeof(int)) as int[]);
}
private int[] StringToCode128(string AsciiData)
{
byte[] asciiBytes = Encoding.ASCII.GetBytes(AsciiData);
Code128Code.CodeSetAllowed csa1 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[0]) : Code128Code.CodeSetAllowed.CodeAorB;
Code128Code.CodeSetAllowed csa2 = asciiBytes.Length > 1 ? Code128Code.CodesetAllowedForChar(asciiBytes[1]) : Code128Code.CodeSetAllowed.CodeAorB;
CodeSet currcs = GetBestStartSet(csa1, csa2);
System.Collections.ArrayList codes = new System.Collections.ArrayList(asciiBytes.Length + 3); // assume no codeset changes, account for start, checksum, and stop
codes.Add(Code128Code.StartCodeForCodeSet(currcs));
for (int i = 0; i < asciiBytes.Length; i++)
{
int thischar = asciiBytes[i];
int nextchar = asciiBytes.Length > (i + 1) ? asciiBytes[i + 1] : -1;
codes.AddRange(Code128Code.CodesForChar(thischar, nextchar, ref currcs));
}
int checksum = (int)(codes[0]);
for (int i = 1; i < codes.Count; i++)
{
checksum += i * (int)(codes[i]);
}
codes.Add(checksum % 103);
codes.Add(Code128Code.StopCode());
int[] result = codes.ToArray(typeof(int)) as int[];
return(result);
}
private CodeSet GetBestStartSet(Code128Code.CodeSetAllowed csa1, Code128Code.CodeSetAllowed csa2)
{
int num = 0;
num += (csa1 == Code128Code.CodeSetAllowed.CodeA) ? 1 : 0;
num += (csa1 == Code128Code.CodeSetAllowed.CodeB) ? -1 : 0;
num += (csa2 == Code128Code.CodeSetAllowed.CodeA) ? 1 : 0;
num += (csa2 == Code128Code.CodeSetAllowed.CodeB) ? -1 : 0;
return((num > 0) ? CodeSet.CodeA : CodeSet.CodeB);
}
/// <summary>
/// Determines the best starting code set based on the the first two
/// characters of the string to be encoded
/// </summary>
/// <param name="csa1">First character of input string</param>
/// <param name="csa2">Second character of input string</param>
/// <returns>The codeset determined to be best to start with</returns>
private CodeSet GetBestStartSet(Code128Code.CodeSetAllowed csa1, Code128Code.CodeSetAllowed csa2)
{
int vote = 0;
vote += (csa1 == Code128Code.CodeSetAllowed.CodeA) ? 1 : 0;
vote += (csa1 == Code128Code.CodeSetAllowed.CodeB) ? -1 : 0;
vote += (csa2 == Code128Code.CodeSetAllowed.CodeA) ? 1 : 0;
vote += (csa2 == Code128Code.CodeSetAllowed.CodeB) ? -1 : 0;
return((vote > 0) ? CodeSet.CodeA : CodeSet.CodeB); // ties go to codeB due to my own prejudices
}
/// <summary>
/// Transform the string into integers representing the Code128 codes
/// necessary to represent it
/// </summary>
/// <param name="AsciiData">String to be encoded</param>
/// <returns>Code128 representation</returns>
private int[] StringToCode128(string AsciiData)
{
byte[] asciiBytes = null;
System.Collections.ArrayList codes = new System.Collections.ArrayList();
// turn the string into ascii byte data
Int64 temp;
if (Int64.TryParse(AsciiData, out temp))
{
codes.Add(105);
codes.AddRange(CreateAsciiForDigit(AsciiData));
}
else
{
asciiBytes = Encoding.ASCII.GetBytes(AsciiData);
// decide which codeset to start with
Code128Code.CodeSetAllowed csa1 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[0]) : Code128Code.CodeSetAllowed.CodeA;
Code128Code.CodeSetAllowed csa2 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[1]) : Code128Code.CodeSetAllowed.CodeA;
CodeSet currcs = GetBestStartSet(csa1, csa2);
// set up the beginning of the barcode
codes = new System.Collections.ArrayList(asciiBytes.Length + 3); // assume no codeset changes, account for start, checksum, and stop
codes.Add(Code128Code.StartCodeForCodeSet(currcs));
//codes.Add(104);
// add the codes for each character in the string
for (int i = 0; i < asciiBytes.Length; i++)
{
int thischar = asciiBytes[i];
int nextchar = asciiBytes.Length > (i + 1) ? asciiBytes[i + 1] : -1;
codes.AddRange(Code128Code.CodesForChar(thischar, nextchar, ref currcs, ref i));
}
}
// calculate the check digit
int checksum = (int)(codes[0]);
for (int i = 1; i < codes.Count; i++)
{
checksum += i * (int)(codes[i]);
}
codes.Add(checksum % 103);
codes.Add(Code128Code.StopCode());
int[] result = codes.ToArray(typeof(int)) as int[];
return(result);
}
private int GetCodeSetWeight(Code128Code.CodeSetAllowed code)
{
switch (code)
{
case Code128Code.CodeSetAllowed.CodeA:
return(1);
case Code128Code.CodeSetAllowed.CodeB:
return(2);
case Code128Code.CodeSetAllowed.CodeC:
return(4);
default:
return(2);
}
}
/// <summary>
/// Determines the best starting code set based on the the first two
/// characters of the string to be encoded
/// </summary>
/// <param name="csa1">First character of input string</param>
/// <param name="csa2">Second character of input string</param>
/// <returns>The codeset determined to be best to start with</returns>
private CodeSet GetBestStartSet(Code128Code.CodeSetAllowed csa1, Code128Code.CodeSetAllowed csa2)
{
int vote = 0;
vote += this.GetCodeSetWeight(csa1);
vote += this.GetCodeSetWeight(csa2);
switch (vote)
{
case 8:
return(CodeSet.CodeC);
case 2:
case 5:
return(CodeSet.CodeA);
default:
return(CodeSet.CodeB);
}
}
/// <summary>
/// Transform the string into integers representing the Code128 codes
/// necessary to represent it
/// </summary>
/// <param name="AsciiData">String to be encoded</param>
/// <returns>Code128 representation</returns>
private int[] StringToCode128(string AsciiData)
{
// turn the string into ascii byte data
byte[] asciiBytes = Encoding.ASCII.GetBytes(AsciiData);
// decide which codeset to start with
Code128Code.CodeSetAllowed csa1 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[0]) : Code128Code.CodeSetAllowed.CodeAorB;
Code128Code.CodeSetAllowed csa2 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[1]) : Code128Code.CodeSetAllowed.CodeAorB;
CodeSet currcs = GetBestStartSet(csa1, csa2);
// set up the beginning of the barcode
var codes = new ArrayList(asciiBytes.Length + 3)
{
Code128Code.StartCodeForCodeSet(currcs)
}; // assume no codeset changes, account for start, checksum, and stop
// add the codes for each character in the string
for (int i = 0; i < asciiBytes.Length; i++)
{
int thischar = asciiBytes[i];
int nextchar = asciiBytes.Length > (i + 1) ? asciiBytes[i + 1] : -1;
codes.AddRange(Code128Code.CodesForChar(thischar, nextchar, ref currcs));
}
// calculate the check digit
var checksum = (int)(codes[0]);
for (int i = 1; i < codes.Count; i++)
{
checksum += i * (int)(codes[i]);
}
codes.Add(checksum % 103);
codes.Add(Code128Code.StopCode());
var result = codes.ToArray(typeof(int)) as int[];
return(result);
}
