Package org.loboevolution.pdfview.pattern

Class PDFPattern

java.lang.Object

org.loboevolution.pdfview.pattern.PDFPattern

Direct Known Subclasses:

PatternType1, PatternType2

public abstract class PDFPattern
extends Object

The abstract superclass of all PDF Pattern types

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PDFPattern(int type)	Creates a new instance of PDFPattern

Method Summary

Modifier and Type	Method	Description
abstract PDFPaint	getPaint(PDFPaint basePaint)	Returns paint that represents the selected pattern
static PDFPattern	getPattern(PDFObject patternObj, Map resources)	Read a pattern from the given pattern stream
int	getPatternType()	Get the type of this pattern
AffineTransform	getTransform()	Get the transform associated with this pattern
protected abstract void	parse(PDFObject patternObj, Map resources)	Parse the pattern-specific information from the pdf object
protected void	setTransform(AffineTransform xform)	Set the transform associated with this pattern

Methods inherited from class java.lang.Object

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

Constructor Details

PDFPattern

protected PDFPattern(int type)

Creates a new instance of PDFPattern

Parameters:

type - a Integer object.

Method Details

getPattern

public static PDFPattern getPattern(PDFObject patternObj,
 Map resources)
                             throws IOException

Read a pattern from the given pattern stream

Parameters:

patternObj - a PDFObject object.

resources - a Map object.

Returns:

a PDFPattern object.

Throws:

IOException - if any.

getPatternType

public int getPatternType()

Get the type of this pattern

Returns:

a Integer object.

getTransform

public AffineTransform getTransform()

Get the transform associated with this pattern

Returns:

a AffineTransform object.

setTransform

protected void setTransform(AffineTransform xform)

Set the transform associated with this pattern

Parameters:

xform - a AffineTransform object.

parse

protected abstract void parse(PDFObject patternObj,
 Map resources)
                       throws IOException

Parse the pattern-specific information from the pdf object

Parameters:

patternObj - the pdfobject with data for this pattern

resources - a Map object.

Throws:

IOException - if any.

getPaint

public abstract PDFPaint getPaint(PDFPaint basePaint)

Returns paint that represents the selected pattern

Parameters:

basePaint - the background paint color, or null for none

Returns:

a PDFPaint object.