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QUIET ZONES EXAMPLES
Quiet zone is free space arond barcode, where not be placed any graphic or text. This area can be differebt for each barcode symbology. This area must be easy and good barcode scanner reading. If in Quiet zone is placed some graphic or text barcode scanner can have some troubles with easy and quick read process.
Needed types and classes for working with Quiet zone :
TpsQuietZoneIndicatorStyle =
(qzNone, qzLines, qzTriangel, qzRectangle);
TpsQuietZone = class(TPersistent)
private
.
.
.
published
property Pen: TPen;
property Style: TpsQuietZoneIndicatorStyle;
property IndicatorSize: Integer;
property Left: Integer;
property Top: Integer;
property Right: Integer;
property Bottom: Integer;
property Visible:Boolean;
end;
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Quiet zone in Delphi Object Inspector
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Examples |
Barcode without Quiet zone, Visible=FALSE
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Barcode with Quiet zone, Visible=TRUE
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Style=None
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Style=Lines
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Style=Triangel
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Style=Rectangle
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Pen.Width=2
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Pen.Width=5
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IndicatorSize=5
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IndicatorSize=15
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IndicatorSize=5
Left=20, Top=20
Bottom=10, Right=5
All values in % of width/height
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