kaapo.project.graphics
Class LineArrowHead

java.lang.Object
  kaapo.project.graphics.LineHead
      kaapo.project.graphics.LineArrowHead

public class LineArrowHead
extends LineHead

Basic non-filled arrow head. Arrow length and angle can be customized.

Author:

hkovaska

Field Summary

protected double	arrowAngle Angle of arrow head.
protected double	arrowDLength Diagonal length of the arrow.

Fields inherited from class kaapo.project.graphics.LineHead

preferredHeadLength

Constructor Summary

LineArrowHead(double preferredHeadLength)
Constructs the head with default arrow geometry.

LineArrowHead(double preferredHeadLength, double arrowDLength, double arrowAngle)
Constructs the head with given geometry.

Method Summary

protected GeneralPath

makeHeadImpl(double startX, double startY, double endX, double endY)

Methods inherited from class kaapo.project.graphics.LineHead

getPreferredLength, makeHead, makeHead

Methods inherited from class java.lang.Object

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

Field Detail

arrowDLength

protected double arrowDLength

Diagonal length of the arrow.

arrowAngle

protected double arrowAngle

Angle of arrow head.

Constructor Detail

LineArrowHead

public LineArrowHead(double preferredHeadLength,
                     double arrowDLength,
                     double arrowAngle)

Constructs the head with given geometry.

Parameters:

preferredHeadLength - The preferred head length. See notes in LineHead documentation for this.

arrowDLength - Diagonal length of the arrow in pixels.

arrowAngle - Angle of the arrow in radians. Normally between PI/8..PI/3, but in theory can be any angle between 0..PI/2.

LineArrowHead

public LineArrowHead(double preferredHeadLength)

Constructs the head with default arrow geometry.

Parameters:

preferredHeadLength - The preferred head length. See notes in LineHead documentation for this.

Method Detail

makeHeadImpl

protected GeneralPath makeHeadImpl(double startX,
                                   double startY,
                                   double endX,
                                   double endY)

Specified by:

makeHeadImpl in class LineHead