Package technology.tabula

Class CohenSutherlandClipping

java.lang.Object

technology.tabula.CohenSutherlandClipping

public final class CohenSutherlandClipping
extends Object

Implements the well known Cohen Sutherland line clipping algorithm (line against clip rectangle).

Constructor Summary

Constructors

Constructor	Description
CohenSutherlandClipping()	Creates a Cohen Sutherland clipper with clip window (0, 0, 0, 0).
CohenSutherlandClipping(Rectangle2D clipWindow)	Creates a Cohen Sutherland clipper with the given clip window.

Method Summary

Modifier and Type	Method	Description
boolean	clip(Line2D.Float line)	Clips a given line against the clip window.
void	setClip(Rectangle2D clipWindow)	Sets the clip rectangle.

Methods inherited from class java.lang.Object

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

Constructor Details

CohenSutherlandClipping

public CohenSutherlandClipping()

Creates a Cohen Sutherland clipper with clip window (0, 0, 0, 0).

CohenSutherlandClipping

public CohenSutherlandClipping(Rectangle2D clipWindow)

Creates a Cohen Sutherland clipper with the given clip window.

Parameters:

clipWindow - the clip window to use.

Method Details

setClip

public void setClip(Rectangle2D clipWindow)

Sets the clip rectangle.

Parameters:

clipWindow - the clip window.

clip

public boolean clip(Line2D.Float line)

Clips a given line against the clip window. The modification (if needed) is done in place.

Parameters:

line - the line to clip.

Returns:

true if line is clipped, false if line is totally outside the clip window.