net.sf.jaxodraw.object

Class Jaxo3PointObject

java.lang.Object

net.sf.jaxodraw.object.JaxoObject

net.sf.jaxodraw.object.JaxoExtendedObject

net.sf.jaxodraw.object.JaxoParticleObject

net.sf.jaxodraw.object.Jaxo3PointObject

All Implemented Interfaces:

java.awt.Shape, java.beans.PropertyChangeListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener

Direct Known Subclasses:

JaxoArcObject, JaxoBezierObject, JaxoVertexT5

public abstract class Jaxo3PointObject
extends JaxoParticleObject

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	SELECT_P3 Third point (index 2).

Fields inherited from class net.sf.jaxodraw.object.JaxoParticleObject

GHOST_DASH, GLUON_FREQ, PHOTON_FREQ, SCALAR_DASH

Fields inherited from class net.sf.jaxodraw.object.JaxoExtendedObject

SELECT_DX, SELECT_DY, SELECT_P2

Fields inherited from class net.sf.jaxodraw.object.JaxoObject

D_FORMAT, GRAY_SCALE_FORMAT, SELECT_NONE, SELECT_P1

Constructor Summary

Constructors

Constructor and Description
Jaxo3PointObject()

Method Summary

Modifier and Type	Method and Description
boolean	canBeSelected(int handle, int mode) Determines if the object can be selected (moved, edited, etc) from the given point in a given edit mode.
void	copyFrom(Jaxo3PointObject temp) Sets all parameters from the given objet to the current one.
int	getGrabbedHandle(int clickX, int clickY, JaxoHandle h) Determines which handle the user has selected to move/resize/edit an object.
int	getPointCount() Returns the number of points it takes to draw this object.
int	getX(int index) X coordinate of Point 0 <= index < getPointCount().
int	getX3() Returns the x coordinate of the first click point of this arc.
int	getY(int index) Y coordinate of Point 0 <= index < getPointCount().
int	getY3() Returns the y coordinate of the first click point of this arc.
boolean	isCopy(JaxoObject comp) Determines if this JaxoObject is a copy of the specified one.
protected boolean	isOneLine() Determines if the three points lie exactly on one line.
void	moveBy(int deltaX, int deltaY) Reset the coordinates of the object when it is moved by deltaX and deltaY.
void	paintHandles(JaxoGraphics2D g2, JaxoHandle h, int editMode) Paints the handles of this JaxoObject that allow to move/resize/edit it.
void	rescaleObject(int orx, int ory, float scale) Rescale this JaxoObject by the scale factor scale, keeping the point (orx, ory) fixed.
void	set3Pts(int x1, int y1, int x2, int y2, int p3, int q3) Sets the points of this 3 point object.
void	setX(int index, int value) Set X coordinate of Point 0 <= index < getPointCount() to 'value'.
void	setX3(int newx3) Sets the x coordinate of the first click point of this arc.
void	setY(int index, int value) Set Y coordinate of Point 0 <= index < getPointCount() to 'value'.
void	setY3(int newy3) Sets the y coordinate of the first click point of this arc.
float	smallestDistanceTo(int px, int py) Determines the smallest distance of any of the handles of this JaxoObject from the given point.

Methods inherited from class net.sf.jaxodraw.object.JaxoParticleObject

arrowCoordinates, arrowPositionIs, copy, copyFrom, dashIs, dlSepIs, getAmp, getArrow, getArrowPosition, getDash, getDLSeparation, getWiggles, isDoubleLine, isFlip, isPaintArrow, paintArrow, setAmp, setArrow, setArrowPosition, setDash, setDLSeparation, setDoubleLine, setFlip, setPaintArrow, setPreferences, setState, setWiggles

Methods inherited from class net.sf.jaxodraw.object.JaxoExtendedObject

copyFrom, getHeight, getRadius, getRelh, getRelSize, getRelw, getSize, getStroke, getStrokeWidth, getWidth, getX2, getY2, latexWidth, resetStroke, setLocation, setRadius, setRelativeHeight, setRelativeWidth, setRelWAndH, setStroke, setStrokeWidth, setX2, setY2, strokeIs

Methods inherited from class net.sf.jaxodraw.object.JaxoObject

addPropertyChangeListener, contains, contains, contains, contains, copyFrom, firePropertyChange, getBounds2D, getBoundsWithHandles, getColor, getGeneralPath, getLaTexLocation, getName, getPathIterator, getPathIterator, getPoints, getX, getY, intersects, intersects, isAround, isMarked, latexCommand, paint, paintVisualAid, prepareEditPanel, propertyChange, removePropertyChangeListener, setAsMarked, setColor, setLocation, setParameter, setParameter, setParameter, setParameter, setParameter, setParameter, setParameter, setPointCount, setPoints, setTransient, setX, setXPosition, setY, setYPosition

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.awt.Shape

getBounds

Field Detail

SELECT_P3

public static final int SELECT_P3

Third point (index 2).

See Also:

Constant Field Values

Constructor Detail

Jaxo3PointObject

public Jaxo3PointObject()

Method Detail

getPointCount

public int getPointCount()

Returns the number of points it takes to draw this object.

Overrides:

getPointCount in class JaxoExtendedObject

Returns:

3.

getX

public int getX(int index)

X coordinate of Point 0 <= index < getPointCount().

Overrides:

getX in class JaxoExtendedObject

Parameters:

index - The index of the point to get.

Returns:

The x coordinate of the point at the given index.

getY

public int getY(int index)

Y coordinate of Point 0 <= index < getPointCount().

Overrides:

getY in class JaxoExtendedObject

Parameters:

index - The index of the point to get.

Returns:

The y coordinate of the point at the given index.

setX

public void setX(int index,
                 int value)

Set X coordinate of Point 0 <= index < getPointCount() to 'value'. Throws IllegalArgumentException if the index is not valid for the given object.

Overrides:

setX in class JaxoExtendedObject

Parameters:

index - The index of the point to set.

value - The value to set.

setY

public void setY(int index,
                 int value)

Set Y coordinate of Point 0 <= index < getPointCount() to 'value'. Throws IllegalArgumentException if the index is not valid for the given object.

Overrides:

setY in class JaxoExtendedObject

Parameters:

index - The index of the point to set.

value - The value to set.

setX3

public final void setX3(int newx3)

Sets the x coordinate of the first click point of this arc.

Parameters:

newx3 - The x coordinate of the first click point of this arc.

getX3

public final int getX3()

Returns the x coordinate of the first click point of this arc.

Returns:

The x coordinate of the first click point of this arc.

setY3

public final void setY3(int newy3)

Sets the y coordinate of the first click point of this arc.

Parameters:

newy3 - The y coordinate of the first click point of this arc.

getY3

public final int getY3()

Returns the y coordinate of the first click point of this arc.

Returns:

The y coordinate of the first click point of this arc.

set3Pts

public final void set3Pts(int x1,
                          int y1,
                          int x2,
                          int y2,
                          int p3,
                          int q3)

Sets the points of this 3 point object.

Parameters:

x1 - The x coordinate of the first point.

y1 - The y coordinate of the first point.

x2 - The x coordinate of the second point.

y2 - The y coordinate of the second point.

p3 - The x coordinate of the third point.

q3 - The y coordinate of the third point.

copyFrom

public void copyFrom(Jaxo3PointObject temp)

Sets all parameters from the given objet to the current one.

Parameters:

temp - The object to copy from.

isCopy

public boolean isCopy(JaxoObject comp)

Determines if this JaxoObject is a copy of the specified one.

Overrides:

isCopy in class JaxoParticleObject

Parameters:

comp - The JaxoObject to compare against.

Returns:

True if the JaxoObjects are identical.

paintHandles

public void paintHandles(JaxoGraphics2D g2,
                         JaxoHandle h,
                         int editMode)

Paints the handles of this JaxoObject that allow to move/resize/edit it.

Overrides:

paintHandles in class JaxoExtendedObject

Parameters:

g2 - The corresponding graphics context.

h - A handle object to be used for painting.

editMode - The edit mode that the handles are being painted in.

smallestDistanceTo

public float smallestDistanceTo(int px,
                                int py)

Determines the smallest distance of any of the handles of this JaxoObject from the given point.

Overrides:

smallestDistanceTo in class JaxoExtendedObject

Parameters:

px - The x coordinate of the test point.

py - The y coordinate of the test point.

Returns:

The smallest distance.

canBeSelected

public boolean canBeSelected(int handle,
                             int mode)

Determines if the object can be selected (moved, edited, etc) from the given point in a given edit mode.

Overrides:

canBeSelected in class JaxoExtendedObject

Parameters:

handle - One of the static variables SELECT_* defined for this JaxoObject.

mode - The current edit mode.

Returns:

True if the object may be selected from the given point, false otherwise.

getGrabbedHandle

public int getGrabbedHandle(int clickX,
                            int clickY,
                            JaxoHandle h)

Determines which handle the user has selected to move/resize/edit an object.

Overrides:

getGrabbedHandle in class JaxoExtendedObject

Parameters:

clickX - The x coordinate where the mouse click has ocurred.

clickY - The y coordinate where the mouse click has ocurred.

h - A handle object.

Returns:

One of the static variables SELECT_* defined for this JaxoObject that specifies the handle which the user has clicked.

moveBy

public void moveBy(int deltaX,
                   int deltaY)

Reset the coordinates of the object when it is moved by deltaX and deltaY.

Overrides:

moveBy in class JaxoExtendedObject

Parameters:

deltaX - The x displacement.

deltaY - The y displacement.

rescaleObject

public void rescaleObject(int orx,
                          int ory,
                          float scale)

Rescale this JaxoObject by the scale factor scale, keeping the point (orx, ory) fixed.

Specified by:

rescaleObject in class JaxoObject

Parameters:

orx - The x-coordinate of the fixed point.

ory - The y-coordinate of the fixed point.

scale - The scale parameter.

isOneLine

protected boolean isOneLine()

Determines if the three points lie exactly on one line. Note that the result of this method is independent of the point order.

Returns:

true if the three points are co-linear.