Package com.itextpdf.text.pdf.parser.clipper

Class ClipperBase

java.lang.Object

com.itextpdf.text.pdf.parser.clipper.ClipperBase

All Implemented Interfaces:

Clipper

Direct Known Subclasses:

DefaultClipper

public abstract class ClipperBase
extends java.lang.Object
implements Clipper

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ClipperBase.LocalMinima
protected class	ClipperBase.Scanbeam

Nested classes/interfaces inherited from interface com.itextpdf.text.pdf.parser.clipper.Clipper

Clipper.ClipType, Clipper.Direction, Clipper.EndType, Clipper.JoinType, Clipper.PolyFillType, Clipper.PolyType, Clipper.ZFillCallback

Field Summary

Fields

Modifier and Type	Field	Description
protected ClipperBase.LocalMinima	currentLM
private java.util.List<java.util.List<Edge>>	edges
protected boolean	hasOpenPaths
private static long	HI_RANGE
private static java.util.logging.Logger	LOGGER
private static long	LOW_RANGE
protected ClipperBase.LocalMinima	minimaList
protected boolean	preserveCollinear
protected boolean	useFullRange

Fields inherited from interface com.itextpdf.text.pdf.parser.clipper.Clipper

PRESERVE_COLINEAR, REVERSE_SOLUTION, STRICTLY_SIMPLE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClipperBase(boolean preserveCollinear)

Method Summary

Modifier and Type	Method	Description
boolean	addPath(Path pg, Clipper.PolyType polyType, boolean Closed)
boolean	addPaths(Paths ppg, Clipper.PolyType polyType, boolean closed)
void	clear()
private void	disposeLocalMinimaList()
private static void	initEdge(Edge e, Edge eNext, Edge ePrev, Point.LongPoint pt)
private static void	initEdge2(Edge e, Clipper.PolyType polyType)
private void	insertLocalMinima(ClipperBase.LocalMinima newLm)
boolean	isPreserveCollinear()
protected static Path.OutRec	parseFirstLeft(Path.OutRec FirstLeft)
protected void	popLocalMinima()
private Edge	processBound(Edge e, boolean LeftBoundIsForward)
private static boolean	rangeTest(Point.LongPoint Pt, boolean useFullRange)
private static Edge	removeEdge(Edge e)
protected void	reset()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.itextpdf.text.pdf.parser.clipper.Clipper

execute, execute, execute, execute

Field Detail

LOW_RANGE

private static final long LOW_RANGE

See Also:

Constant Field Values

HI_RANGE

private static final long HI_RANGE

See Also:

Constant Field Values

minimaList

protected ClipperBase.LocalMinima minimaList

currentLM

protected ClipperBase.LocalMinima currentLM

edges

private final java.util.List<java.util.List<Edge>> edges

useFullRange

protected boolean useFullRange

hasOpenPaths

protected boolean hasOpenPaths

preserveCollinear

protected final boolean preserveCollinear

LOGGER

private static final java.util.logging.Logger LOGGER

Constructor Detail

ClipperBase

protected ClipperBase(boolean preserveCollinear)

Method Detail

initEdge

private static void initEdge(Edge e,
                             Edge eNext,
                             Edge ePrev,
                             Point.LongPoint pt)

initEdge2

private static void initEdge2(Edge e,
                              Clipper.PolyType polyType)

rangeTest

private static boolean rangeTest(Point.LongPoint Pt,
                                 boolean useFullRange)

removeEdge

private static Edge removeEdge(Edge e)

addPath

public boolean addPath(Path pg,
                       Clipper.PolyType polyType,
                       boolean Closed)

Specified by:

addPath in interface Clipper

addPaths

public boolean addPaths(Paths ppg,
                        Clipper.PolyType polyType,
                        boolean closed)

Specified by:

addPaths in interface Clipper

clear

public void clear()

Specified by:

clear in interface Clipper

disposeLocalMinimaList

private void disposeLocalMinimaList()

insertLocalMinima

private void insertLocalMinima(ClipperBase.LocalMinima newLm)

isPreserveCollinear

public boolean isPreserveCollinear()

popLocalMinima

protected void popLocalMinima()

processBound

private Edge processBound(Edge e,
                          boolean LeftBoundIsForward)

parseFirstLeft

protected static Path.OutRec parseFirstLeft(Path.OutRec FirstLeft)

reset

protected void reset()