Module com.github.librepdf.pdfToolbox

Package com.lowagie.toolbox.plugins.watermarker

Class Watermarker

java.lang.Object

com.lowagie.toolbox.plugins.watermarker.Watermarker

public class Watermarker
extends Object

This class is the API equivalent of the WatermarkerTool. It lets you add a text watermark to all pages of a document given in input.

Constructor Summary

Constructors

Constructor	Description
Watermarker(byte[] input, String text, int fontsize, float opacity)	The main constructor with all mandatory arguments.

Method Summary

Modifier and Type	Method	Description
Watermarker	withColor(Color color)	To change the default black color by a new one.
Watermarker	withFont(com.lowagie.text.pdf.BaseFont font)
byte[]	write()	Write the watermark to the pdf given in entry.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Watermarker

public Watermarker(byte[] input,
 String text,
 int fontsize,
 float opacity)
            throws IOException,
com.lowagie.text.DocumentException

The main constructor with all mandatory arguments. By default, the color stays black.

Parameters:

input - the pdf content as a byte[]

text - the text to write as watermark

fontsize - the fontsize of the watermark

opacity - the opacity of the watermark

Throws:

IOException - on error

com.lowagie.text.DocumentException - on error

Method Details

withColor

public Watermarker withColor(Color color)

To change the default black color by a new one.

Parameters:

color - the new color to use

Returns:

the current builder instance

withFont

public Watermarker withFont(com.lowagie.text.pdf.BaseFont font)

write

public byte[] write()
             throws IOException,
com.lowagie.text.DocumentException

Write the watermark to the pdf given in entry.

Returns:

a brand new byte[] without modifying the original one.

Throws:

IOException - on error

com.lowagie.text.DocumentException - on error