org.globus.cog.gui.grapheditor.util.swing
Class Arrow

java.lang.Object
  org.globus.cog.gui.grapheditor.util.swing.Arrow

Direct Known Subclasses:

TextArrow

public class Arrow

extends Object

Draws an arrow composed of three lines

Field Summary

protected short	arrowLength
protected short	arrowWidth
protected short	lineWidth
protected int[]	ppx
protected int[]	ppy
protected boolean	valid
protected int	x1 Stores the bounding polygon for the edge with an arrow.
protected int	x2 Stores the bounding polygon for the edge with an arrow.
protected int	y1 Stores the bounding polygon for the edge with an arrow.
protected int	y2 Stores the bounding polygon for the edge with an arrow.

Constructor Summary

Arrow()

Arrow(int x1, int y1, int x2, int y2, short lwidth, short awidth, short alen)

Method Summary

boolean	contains(int x, int y) This method checks whether the given point with coordinates x and y lies on the edge or outside the edge.
void	paint(Graphics g)
void	setArrowSize(short awidth, short alen)
void	setCoords(int x1, int y1, int x2, int y2)
void	setLineWidth(short lwidth)
void	update()

Methods inherited from class java.lang.Object

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

Field Detail

x1

protected int x1

Stores the bounding polygon for the edge with an arrow.

x2

protected int x2

Stores the bounding polygon for the edge with an arrow.

y1

protected int y1

Stores the bounding polygon for the edge with an arrow.

y2

protected int y2

Stores the bounding polygon for the edge with an arrow.

lineWidth

protected short lineWidth

arrowWidth

protected short arrowWidth

arrowLength

protected short arrowLength

valid

protected boolean valid

ppx

protected int[] ppx

ppy

protected int[] ppy

Constructor Detail

Arrow

public Arrow()

Arrow

public Arrow(int x1,
             int y1,
             int x2,
             int y2,
             short lwidth,
             short awidth,
             short alen)

Method Detail

setCoords

public void setCoords(int x1,
                      int y1,
                      int x2,
                      int y2)

setLineWidth

public void setLineWidth(short lwidth)

setArrowSize

public void setArrowSize(short awidth,
                         short alen)

update

public void update()

paint

public void paint(Graphics g)

contains

public boolean contains(int x,
                        int y)

This method checks whether the given point with coordinates x and y lies on the edge or outside the edge.

Parameters:

x - - x co-ordinate of the point.

y - - y co-ordinate of the point.