Package com.lowagie.text.pdf
Class Barcode39
java.lang.Object
com.lowagie.text.pdf.Barcode
com.lowagie.text.pdf.Barcode39
Implements the code 39 and code 39 extended. The default parameters are:
x = 0.8f; n = 2; font = BaseFont.createFont("Helvetica", "winansi", false); size = 8; baseline = size; barHeight = size * 3; textAlignment = Element.ALIGN_CENTER; generateChecksum = false; checksumText = false; startStopText = true; extended = false;
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final byte[][]
The bars to generate the code.private static final String
The index chars toBARS
.private static final String
The character combinations to make the code 39 extended.Fields inherited from class com.lowagie.text.pdf.Barcode
altText, barHeight, baseline, checksumText, CODABAR, code, CODE128, CODE128_RAW, CODE128_UCC, codeType, EAN13, EAN8, extended, font, generateChecksum, guardBars, inkSpreading, n, PLANET, POSTNET, size, startStopText, SUPP2, SUPP5, textAlignment, UPCA, UPCE, x
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptioncreateAwtImage
(Color foreground, Color background) Creates ajava.awt.Image
.Gets the maximum area that the barcode and the text, if any, will occupy.static byte[]
getBarsCode39
(String text) Creates the bars.(package private) static char
getChecksum
(String text) Calculates the checksum.static String
getCode39Ex
(String text) Converts the extended text into a normal, escaped text, ready to generate bars.placeBarcode
(PdfContentByte cb, Color barColor, Color textColor) Places the barcode in aPdfContentByte
.Methods inherited from class com.lowagie.text.pdf.Barcode
createImageWithBarcode, createTemplateWithBarcode, getAltText, getBarHeight, getBaseline, getCode, getCodeType, getFont, getInkSpreading, getN, getSize, getTextAlignment, getX, isChecksumText, isExtended, isGenerateChecksum, isGuardBars, isStartStopText, setAltText, setBarHeight, setBaseline, setChecksumText, setCode, setCodeType, setExtended, setFont, setGenerateChecksum, setGuardBars, setInkSpreading, setN, setSize, setStartStopText, setTextAlignment, setX
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Field Details
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BARS
private static final byte[][] BARSThe bars to generate the code. -
CHARS
The index chars toBARS
.- See Also:
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EXTENDED
The character combinations to make the code 39 extended.- See Also:
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Constructor Details
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Barcode39
public Barcode39()Creates a new Barcode39.
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Method Details
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getBarsCode39
Creates the bars.- Parameters:
text
- the text to create the bars. This text does not include the start and stop characters- Returns:
- the bars
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getCode39Ex
Converts the extended text into a normal, escaped text, ready to generate bars.- Parameters:
text
- the extended text- Returns:
- the escaped text
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getChecksum
Calculates the checksum.- Parameters:
text
- the text- Returns:
- the checksum
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getBarcodeSize
Gets the maximum area that the barcode and the text, if any, will occupy. The lower left corner is always (0, 0).- Specified by:
getBarcodeSize
in classBarcode
- Returns:
- the size the barcode occupies.
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placeBarcode
Places the barcode in aPdfContentByte
. The barcode is always placed at coordinates (0, 0). Use the translation matrix to move it elsewhere.The bars and text are written in the following colors:
table of the colors of the bars and text barColor
textColor
Result
null
null
bars and text painted with current fill color
barColor
null
bars and text painted with
barColor
null
textColor
bars painted with current color
text painted withtextColor
barColor
textColor
bars painted with
barColor
text painted withtextColor
- Specified by:
placeBarcode
in classBarcode
- Parameters:
cb
- thePdfContentByte
where the barcode will be placedbarColor
- the color of the bars. It can benull
textColor
- the color of the text. It can benull
- Returns:
- the dimensions the barcode occupies
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createAwtImage
Creates ajava.awt.Image
. This image only contains the bars without any text.- Specified by:
createAwtImage
in classBarcode
- Parameters:
foreground
- the color of the barsbackground
- the color of the background- Returns:
- the image
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