Package org.opensourcephysics.media.core

Class TLine

java.lang.Object

java.awt.geom.Point2D

java.awt.geom.Point2D.Double

org.opensourcephysics.media.core.TPoint

org.opensourcephysics.media.core.TShape

org.opensourcephysics.media.core.TLine

All Implemented Interfaces:

Serializable, Cloneable, Drawable, Interactive, Measurable, Trackable

Direct Known Subclasses:

TLineProfile

public class TLine
extends TShape

This is a TShape that draws a line.

Version:

1.0

Author:

Douglas Brown

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Point2D

Point2D.Double, Point2D.Float

Field Summary

Fields

Modifier and Type	Field	Description
protected TPoint	end1
protected Rectangle	end1Rect
protected TPoint	end2
protected Rectangle	end2Rect
protected Line2D	line

Fields inherited from class org.opensourcephysics.media.core.TShape

color, fillShape, hitRect, stroke, visible

Fields inherited from class org.opensourcephysics.media.core.TPoint

attachedTo, coordsEditTrigger, coordsVisibleInMouseBox, enabled, isAdjusting, prevX, prevY, screenPt, stepEditTrigger, support, toScreen, trackEditTrigger, worldPt, xyStringBuilder

Fields inherited from class java.awt.geom.Point2D.Double

x, y

Fields inherited from interface org.opensourcephysics.media.core.Trackable

PROPERTY_ADJUSTING

Constructor Summary

Constructors

Constructor	Description
TLine()	Constructs a default TLine with end points at (0, 0).
TLine(double x1, double y1, double x2, double y2)	Constructs a TLine with specified end points.

Method Summary

Modifier and Type	Method	Description
Interactive	findInteractive(DrawingPanel panel, int xpix, int ypix)	Returns the interactive drawable object at the specified pixel position.
TPoint	getEnd1()	Gets end 1.
TPoint	getEnd2()	Gets end 2.
protected Shape	getShape(VideoPanel vidPanel)	Gets the shape to be filled in the draw method.
void	setStroke(BasicStroke stroke)	Overrides TShape setStroke method.
void	setXY(double x, double y)	Sets the x and y positions in imagespace.

Methods inherited from class org.opensourcephysics.media.core.TShape

draw, getBounds, getColor, getStroke, isVisible, setColor, setHitRectCenter, setVisible, toString

Methods inherited from class org.opensourcephysics.media.core.TPoint

addPropertyChangeListener, addPropertyChangeListener, angle, angle, attachTo, center, cos, cos, detach, equals, getFrameNumber, getScreenPosition, getWorldPosition, getXMax, getXMin, getYMax, getYMin, isAdjusting, isAttached, isCoordsEditTrigger, isEnabled, isMeasured, isStepEditTrigger, isTrackEditTrigger, removePropertyChangeListener, removePropertyChangeListener, setAdjusting, setCoordsEditTrigger, setEnabled, setLocation, setPositionOnLine, setScreenPosition, setScreenPosition, setStepEditTrigger, setTrackEditTrigger, setWorldPosition, setX, setY, showCoordinates, sin, sin, translate

Methods inherited from class java.awt.geom.Point2D.Double

getX, getY

Methods inherited from class java.awt.geom.Point2D

clone, distance, distance, distance, distanceSq, distanceSq, distanceSq, hashCode, setLocation

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.opensourcephysics.display.Interactive

getX, getY, isInteractive

Field Details

line

protected Line2D line

end1

protected TPoint end1

end2

protected TPoint end2

end1Rect

protected Rectangle end1Rect

end2Rect

protected Rectangle end2Rect

Constructor Details

TLine

public TLine()

Constructs a default TLine with end points at (0, 0).

TLine

public TLine(double x1,
 double y1,
 double x2,
 double y2)

Constructs a TLine with specified end points.

Parameters:

x1 - x position of end 1

y1 - y position of end 1

x2 - x position of end 2

y2 - y position of end 2

Method Details

getEnd1

public TPoint getEnd1()

Gets end 1.

Returns:

end 1

getEnd2

public TPoint getEnd2()

Gets end 2.

Returns:

end 2

setStroke

public void setStroke(BasicStroke stroke)

Overrides TShape setStroke method.

Overrides:

setStroke in class TShape

Parameters:

stroke - the desired stroke

setXY

public void setXY(double x,
 double y)

Sets the x and y positions in imagespace.

Specified by:

setXY in interface Interactive

Overrides:

setXY in class TPoint

Parameters:

x - the x position

y - the y position

findInteractive

public Interactive findInteractive(DrawingPanel panel,
 int xpix,
 int ypix)

Returns the interactive drawable object at the specified pixel position.

Specified by:

findInteractive in interface Interactive

Overrides:

findInteractive in class TShape

Parameters:

panel - the drawing panel

xpix - the x pixel position on the panel

ypix - the y pixel position on the panel

Returns:

the interactive drawable object

getShape

protected Shape getShape(VideoPanel vidPanel)

Gets the shape to be filled in the draw method.

Overrides:

getShape in class TShape

Parameters:

vidPanel - the video panel

Returns:

the line shape