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Center label relative to barcode #198

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Center label relative to barcode #198

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1107a7f
Support for configuring guard bars.
Mar 15, 2024
244b421
Center label when rendering reltive to barcode and not entire image.
mjamro Mar 16, 2024
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24 changes: 19 additions & 5 deletions BarcodeStandard/BarcodeCommon.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,18 +24,32 @@ internal static bool CheckNumericOnly(string data)
return true;
}

internal static int GetAlignmentShiftAdjustment(Barcode barcode)
internal static int GetQuietZoneAdjustment(Barcode barcode)
{
if (barcode.IncludeLabel && barcode.GuardBarsMode == GuardBarsMode.EnabledFirstCharOnQuietZone)
{
return Utils.GetFontWidth("0", barcode.LabelFont) * 2;
}

return 0;
}

internal static int GetAlignmentShiftAdjustment(Barcode barcode)
{
var quietZoneAdjustment = BarcodeCommon.GetQuietZoneAdjustment(barcode);

switch (barcode.Alignment)
{
case AlignmentPositions.Left:
return 0;
return quietZoneAdjustment;

case AlignmentPositions.Right:
return (barcode.Width % barcode.EncodedValue.Length);
return ((barcode.Width - quietZoneAdjustment * 2) % barcode.EncodedValue.Length) + quietZoneAdjustment;

case AlignmentPositions.Center:
default:
return (barcode.Width % barcode.EncodedValue.Length) / 2;
return ((barcode.Width - quietZoneAdjustment * 2) % barcode.EncodedValue.Length) / 2 + quietZoneAdjustment;
}//switch
}
}//BarcodeVariables abstract class
}//namespace
}//namespace
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