Package org.opensourcephysics.media.core

Class TCoordAxes

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.TCoordAxes

All Implemented Interfaces:

Serializable, Cloneable, Drawable, Interactive, Measurable, Trackable

public class TCoordAxes
extends TShape

This draws the worldspace origin and axes of an image coordinate system.

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 GeneralPath	axes
protected org.opensourcephysics.media.core.TCoordAxes.Origin	origin
protected boolean	originEnabled
protected GeneralPath	originShape
protected VideoPanel	vidPanel
protected GeneralPath	xaxis
protected boolean	xaxisEnabled

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
TCoordAxes(VideoPanel panel)	Constructs a TCoordAxes object for the specified video panel.

Method Summary

Modifier and Type	Method	Description
void	draw(DrawingPanel panel, Graphics g)	Overrides TShape draw method.
Interactive	findInteractive(DrawingPanel panel, int xpix, int ypix)	Overrides TShape findInteractive method.
TPoint	getOrigin()	Gets the origin.
protected Shape	getShape(VideoPanel vidPanel)	Overrides TShape getShape method.
boolean	isOriginEnabled()	Gets whether the origin responds to mouse hits.
boolean	isXAxisEnabled()	Gets whether the x-axis responds to mouse hits.
void	setOriginEnabled(boolean enabled)	Sets whether the origin responds to mouse hits.
void	setStroke(BasicStroke stroke)	Overrides TShape setStroke method.
void	setXAxisEnabled(boolean enabled)	Sets whether the x-axis responds to mouse hits.
void	setXY(double x, double y)	Overrides TPoint setXY method.
String	toString()	Returns a String describing this object.

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

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

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

vidPanel

protected VideoPanel vidPanel

axes

protected GeneralPath axes

origin

protected org.opensourcephysics.media.core.TCoordAxes.Origin origin

originEnabled

protected boolean originEnabled

xaxisEnabled

protected boolean xaxisEnabled

originShape

protected GeneralPath originShape

xaxis

protected GeneralPath xaxis

Constructor Details

TCoordAxes

public TCoordAxes(VideoPanel panel)

Constructs a TCoordAxes object for the specified video panel.

Parameters:

panel - the video panel

Method Details

getOrigin

public TPoint getOrigin()

Gets the origin.

Returns:

the origin

draw

public void draw(DrawingPanel panel,
 Graphics g)

Overrides TShape draw method.

Specified by:

draw in interface Drawable

Overrides:

draw in class TShape

Parameters:

panel - the drawing panel requesting the drawing

g - the graphics context on which to draw

setXY

public void setXY(double x,
 double y)

Overrides TPoint setXY method. Sets the angle of the x axis.

Specified by:

setXY in interface Interactive

Overrides:

setXY in class TPoint

Parameters:

x - the x position

y - the y position

setStroke

public void setStroke(BasicStroke stroke)

Overrides TShape setStroke method.

Overrides:

setStroke in class TShape

Parameters:

stroke - the desired stroke

setOriginEnabled

public void setOriginEnabled(boolean enabled)

Sets whether the origin responds to mouse hits.

Parameters:

enabled - true if origin responds to mouse hits.

isOriginEnabled

public boolean isOriginEnabled()

Gets whether the origin responds to mouse hits.

Returns:

true if the origin responds to mouse hits.

setXAxisEnabled

public void setXAxisEnabled(boolean enabled)

Sets whether the x-axis responds to mouse hits.

Parameters:

enabled - true if x-axis responds to mouse hits.

isXAxisEnabled

public boolean isXAxisEnabled()

Gets whether the x-axis responds to mouse hits.

Returns:

true if the x-axis responds to mouse hits.

findInteractive

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

Overrides TShape findInteractive method.

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

toString

public String toString()

Returns a String describing this object.

Overrides:

toString in class TShape

Returns:

a descriptive string

getShape

protected Shape getShape(VideoPanel vidPanel)

Overrides TShape getShape method.

Overrides:

getShape in class TShape

Parameters:

vidPanel - the video panel

Returns:

the axes shape