internal static EanUpcSupplement GetSupplementBarCode(EanUpc baseBarCode, string data)
{
switch (data.Length)
{
case 2: return(new EanUpc2DigitSupplement(baseBarCode));
case 5: return(new EanUpc5DigitSupplement(baseBarCode));
default: throw new BarCodeFormatException("Supplement barcode has incorrect length.");
}
}
public EanUpcSupplement(EanUpc baseBarCode)
{
ImportSettings(baseBarCode);
BarHeight = baseBarCode.BarHeight + baseBarCode.GuardExtraHeight - baseBarCode.TextHeight;
// text position on top
if (baseBarCode.TextPosition == TextPosition.Bottom)
{
TextPosition = TextPosition.Top;
}
else
{
TextPosition = baseBarCode.TextPosition;
}
}
protected void Draw(IBarCodeBuilder builder, string data, string parity, float x, float y)
{
// encode the symbol
BitArray[] encoded = EanUpc.EncodeLeft(data, ParityEncoder.Encode(parity));
// draw the bars; size and background have already been set by the base barcode
float textX = x + TotalWidth / 2;
y += OffsetHeight + TextHeight;
x = DrawSymbol(builder, x, y, BarHeight, LeftGuard);
x = DrawSymbol(builder, x, y, BarHeight, encoded[0]);
for (int i = 1; i < encoded.Length; ++i)
{
x = DrawSymbol(builder, x, y, BarHeight, SeparatorBar);
x = DrawSymbol(builder, x, y, BarHeight, encoded[i]);
}
// draw the text string
DrawText(builder, true, new float[] { textX }, y - TextHeight, new string[] { data });
}
public EanUpc5DigitSupplement(EanUpc baseBarCode) :
base(baseBarCode)
{
Checksum = new EanUpc5DigitSupplementChecksum();
}
public EanUpc2DigitSupplement(EanUpc baseBarCode) : base(baseBarCode)
{
}