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

Class ArrowLineStyle

java.lang.Object

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

org.locationtech.jtstest.testbuilder.ui.style.SegmentStyle

org.locationtech.jtstest.testbuilder.ui.style.ArrowLineStyle

All Implemented Interfaces:

Style

public class ArrowLineStyle
extends SegmentStyle

Field Summary

Fields

Modifier and Type	Field	Description
private Color	color
private static Stroke	dashStroke
private static final double	ENDPOINT_OFFSET
private static final double	HEAD_ANGLE
private static final double	HEAD_ANGLE_RAD
private static final double	HEAD_COS
private static final double	HEAD_LENGTH
private static final double	HEAD_SIN
private static final double	LINE_OFFSET
private static Stroke	MID_ARROW_STROKE
static final double	MIN_VISIBLE_LEN

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

LINE, POLY_HOLE, POLY_SHELL

Constructor Summary

Constructors

Constructor	Description
ArrowLineStyle(Color color)

Method Summary

Modifier and Type	Method	Description
private boolean	isTooSmallToRender(Point2D p0, Point2D p1)
protected void	paint(int index, Point2D p0, Point2D p1, int lineType, Viewport vp, Graphics2D gr)
protected void	paintMidpointArrow(Point2D p0, Point2D p1, Viewport viewport, Graphics2D graphics)
protected void	paintOffsetArrow(Point2D p0, Point2D p1, Viewport viewport, Graphics2D graphics)

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

paint, 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

HEAD_ANGLE

private static final double HEAD_ANGLE

See Also:

• Constant Field Values

HEAD_LENGTH

private static final double HEAD_LENGTH

See Also:

• Constant Field Values

color

private Color color

dashStroke

private static Stroke dashStroke

MID_ARROW_STROKE

private static Stroke MID_ARROW_STROKE

LINE_OFFSET

private static final double LINE_OFFSET

See Also:

• Constant Field Values

ENDPOINT_OFFSET

private static final double ENDPOINT_OFFSET

See Also:

• Constant Field Values

HEAD_ANGLE_RAD

private static final double HEAD_ANGLE_RAD

See Also:

• Constant Field Values

HEAD_COS

private static final double HEAD_COS

HEAD_SIN

private static final double HEAD_SIN

MIN_VISIBLE_LEN

public static final double MIN_VISIBLE_LEN

See Also:

• Constant Field Values

Constructor Details

ArrowLineStyle

public ArrowLineStyle(Color color)

Method Details

paint

protected void paint(int index,
 Point2D p0,
 Point2D p1,
 int lineType,
 Viewport vp,
 Graphics2D gr)
              throws Exception

Specified by:

paint in class SegmentStyle

Parameters:

p0 - the origin of the line segment, in view space

p1 - the termination of the line segment, in view space

vp -

gr -

Throws:

Exception

paintMidpointArrow

protected void paintMidpointArrow(Point2D p0,
 Point2D p1,
 Viewport viewport,
 Graphics2D graphics)
                           throws NoninvertibleTransformException

Throws:

NoninvertibleTransformException

paintOffsetArrow

protected void paintOffsetArrow(Point2D p0,
 Point2D p1,
 Viewport viewport,
 Graphics2D graphics)
                         throws NoninvertibleTransformException

Throws:

NoninvertibleTransformException

isTooSmallToRender

private boolean isTooSmallToRender(Point2D p0,
 Point2D p1)