Package org.locationtech.jtstest.testbuilder.ui.style

Class ArrowEndpointStyle

java.lang.Object

org.locationtech.jtstest.testbuilder.ui.style.LineStringStyle

org.locationtech.jtstest.testbuilder.ui.style.LineStringEndpointStyle

org.locationtech.jtstest.testbuilder.ui.style.ArrowEndpointStyle

All Implemented Interfaces:

Style

public class ArrowEndpointStyle
extends LineStringEndpointStyle

Field Summary

Fields

Modifier and Type	Field	Description
private static final double	ANGLE
private static final int	ARROW_ALPHA
private Color	color
private boolean	filled
private static final double	LENGTH

Fields inherited from class org.locationtech.jtstest.testbuilder.ui.style.LineStringStyle

LINE, POLY_HOLE, POLY_SHELL

Constructor Summary

Constructors

Constructor	Description
ArrowEndpointStyle(Color color, boolean start, boolean filled)

Method Summary

Modifier and Type	Method	Description
static GeneralPath	arrowheadPath(Point2D p0, Point2D p1, Point2D tipPt, double finLength, double finAngle)
static Point2D	fin(Point2D shaftTip, Point2D shaftTail, double length, double angle)
protected void	paint(Point2D terminal, Point2D next, Viewport viewport, Graphics2D g)

Methods inherited from class org.locationtech.jtstest.testbuilder.ui.style.LineStringEndpointStyle

paintLineString

Methods inherited from class org.locationtech.jtstest.testbuilder.ui.style.LineStringStyle

paint, paint

Methods inherited from class java.lang.Object

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

Field Details

ARROW_ALPHA

private static final int ARROW_ALPHA

See Also:

• Constant Field Values

ANGLE

private static final double ANGLE

See Also:

• Constant Field Values

LENGTH

private static final double LENGTH

See Also:

• Constant Field Values

filled

private boolean filled

color

private Color color

Constructor Details

ArrowEndpointStyle

public ArrowEndpointStyle(Color color,
 boolean start,
 boolean filled)

Method Details

paint

protected void paint(Point2D terminal,
 Point2D next,
 Viewport viewport,
 Graphics2D g)
              throws NoninvertibleTransformException

Specified by:

paint in class LineStringEndpointStyle

Throws:

NoninvertibleTransformException

arrowheadPath

public static GeneralPath arrowheadPath(Point2D p0,
 Point2D p1,
 Point2D tipPt,
 double finLength,
 double finAngle)

Parameters:

finLength - required distance from the tip to each fin's tip

fin

public static Point2D fin(Point2D shaftTip,
 Point2D shaftTail,
 double length,
 double angle)