chemaxon.struc
Class MPoint

java.lang.Object
  chemaxon.struc.MObject
      chemaxon.struc.MPoint

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

public class MPoint

extends MObject

Point object.

Since:

3.3, 10/18/2003

Version:

3.3, 10/21/2003

Author:

Peter Csizmadia

See Also:

Serialized Form

Field Summary

Fields inherited from class chemaxon.struc.MObject

PAINT_ANTIALIAS, PAINT_FOCUSED

Constructor Summary

MPoint(double x, double y, double z)
Contructs a point object.

MPoint(DPoint3 p)
Constructs a point object.

MPoint(MPoint p)
Copy constructor.

Method Summary

void	calcCenter(DPoint3 p) Calculates the geometrical center.
java.lang.Object	clone() Creates a clone.
double	distanceFrom(double x, double y) Gets the 2D distance from the specified point.
boolean	equals(MPoint o) Two points equal if their location equals.
boolean	equals(java.lang.Object o) Two points equal if their location equals.
DPoint3	getLocation() Gets the point's location.
MPoint	getPoint(int i) Gets the point.
int	getPointCount() Gets the number of points.
MPoint	getPointRef(int i) Gets a point of the line.
int	getPointRefCount() Gets the number of point references.
double	getX() Gets the x coordinate.
double	getY() Gets the y coordinate.
double	getZ() Gets the z coordinate.
boolean	isChildOf(MObject o) Is this object a children of another one?
boolean	isInternalSelectable() Is it a selection only internal object?
void	paint(java.awt.Graphics g, CTransform3D t, int f, java.awt.Color c, java.awt.Color selc, java.awt.Color focusc) Paints the object.
void	setXYZ(double x, double y, double z) Sets the coordinates.
void	transform(CTransform3D t) Transforms all points.

Methods inherited from class chemaxon.struc.MObject

addAttributeKeys, addCdataAttributeKeys, addNotify, getAttribute, getBackground, getColor, getLineColor, hasBackground, hasColor, hasLineColor, isEmpty, isSelectableNow, isSelected, makeColor, makeColorString, removeChild, removeNotify, setAttribute, setBackground, setColor, setLineColor, setSelected, unselectContents

Methods inherited from class java.lang.Object

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

Constructor Detail

MPoint

public MPoint(double x,
              double y,
              double z)

Contructs a point object.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

MPoint

public MPoint(DPoint3 p)

Constructs a point object.

Parameters:

p - the point

MPoint

public MPoint(MPoint p)

Copy constructor.

Parameters:

p - the point

Method Detail

equals

public boolean equals(MPoint o)

Two points equal if their location equals.

Parameters:

o - the other point

Returns:

true if they equal, false otherwise

equals

public boolean equals(java.lang.Object o)

Two points equal if their location equals.

Parameters:

o - the other point

Returns:

true if they equal, false otherwise

isChildOf

public boolean isChildOf(MObject o)

Is this object a children of another one?

Overrides:

isChildOf in class MObject

Parameters:

o - a possible parent

Returns:

true if the other object is the parent, false otherwise

isInternalSelectable

public boolean isInternalSelectable()

Is it a selection only internal object?

Overrides:

isInternalSelectable in class MObject

Returns:

true

clone

public java.lang.Object clone()

Description copied from class: MObject

Creates a clone.

Specified by:

clone in class MObject

Returns:

the clone

getX

public double getX()

Gets the x coordinate.

Returns:

the x coordinate

getY

public double getY()

Gets the y coordinate.

Returns:

the y coordinate

getZ

public double getZ()

Gets the z coordinate.

Returns:

the z coordinate

getLocation

public DPoint3 getLocation()

Gets the point's location.

Returns:

the point

setXYZ

public void setXYZ(double x,
                   double y,
                   double z)

Sets the coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

getPointCount

public int getPointCount()

Gets the number of points.

Specified by:

getPointCount in class MObject

Returns:

1

getPoint

public MPoint getPoint(int i)

Gets the point.

Specified by:

getPoint in class MObject

Parameters:

i - the point index (must be 0)

Returns:

the point's clone

getPointRefCount

public int getPointRefCount()

Gets the number of point references.

Overrides:

getPointRefCount in class MObject

Returns:

1

getPointRef

public MPoint getPointRef(int i)

Gets a point of the line.

Overrides:

getPointRef in class MObject

Parameters:

i - the point index

Returns:

the point's reference

transform

public void transform(CTransform3D t)

Transforms all points.

Specified by:

transform in class MObject

Parameters:

t - the transformation matrix

calcCenter

public void calcCenter(DPoint3 p)

Calculates the geometrical center.

Specified by:

calcCenter in class MObject

Parameters:

p - store the coordinates here

distanceFrom

public double distanceFrom(double x,
                           double y)

Gets the 2D distance from the specified point.

Specified by:

distanceFrom in class MObject

Parameters:

x - the x coordinate

y - the y coordinate

paint

public void paint(java.awt.Graphics g,
                  CTransform3D t,
                  int f,
                  java.awt.Color c,
                  java.awt.Color selc,
                  java.awt.Color focusc)

Paints the object.

Overrides:

paint in class MObject

Parameters:

g - the graphics context

t - the transformation matrix

f - flags

c - the color to use or null

selc - the selection color

focusc - the focus color