chemaxon.struc
Class MPoint

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

MAtomSetPoint, MMidPoint, MRectanglePoint

public class MPoint
extends MObject

Point object.

Since:

Marvin 3.3, 10/18/2003

Version:

5.0, 03/30/2007

Author:

Peter Csizmadia

See Also:

Serialized Form

Field Summary

Fields inherited from class chemaxon.struc.MObject

PAINT_ANTIALIAS, PAINT_FOCUSED, TRANSFORM_DISTORT

Constructor Summary

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

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, CTransform3D t) Calculates the geometrical center.
java.lang.Object	clone() Creates a clone.
double	distanceFrom(double x, double y, CTransform3D t) 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.
DPoint3	getLocation(CTransform3D t) Gets the point's location.
void	getLocation(DPoint3 p, CTransform3D t) Gets the point's location.
MPoint	getPoint(int i) Gets the point.
int	getPointCount() Gets the number of points.
MPoint	getPointRef(int i, CTransform3D trot) Gets a point of the line.
int	getPointRefCount() Gets the number of point references.
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.Graphics2D g, CTransform3D t, int f, java.awt.Color c, java.awt.Color selc, java.awt.Color focusc) Paints the object.
void	setLocation(DPoint3 p, CTransform3D t) Sets the point's location.
void	transform(CTransform3D t, int opts, CTransform3D trot) Transforms all points.

Methods inherited from class chemaxon.struc.MObject

addAttributeKeys, addCdataAttributeKeys, addNotify, checkValidity, containsAtom, distanceFrom, finishCloning, getAttribute, getBackground, getColor, getLineColor, hasBackground, hasColor, hasLineColor, isEmpty, isReactionArrow, isSelectableNow, isSelected, isTransformable, makeColor, removeChild, removeNotify, replaceAtom, setAttribute, setBackground, setColor, setLineColor, setSelected, toString, unselectContents, updateBoundingRect

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, 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(double x,
              double y)

Contructs a point object.

Parameters:

x - the x coordinate

y - the y coordinate

Since:

Marvin 4.1, 03/06/2006

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.

Overrides:

equals in class java.lang.Object

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

getLocation

public void getLocation(DPoint3 p,
                        CTransform3D t)

Gets the point's location.

Parameters:

p - the output point object

t - transformation or null

Since:

Marvin 4.1, 04/28/2006

getLocation

public final DPoint3 getLocation(CTransform3D t)

Gets the point's location.

Parameters:

t - transformation or null

Returns:

the point

Since:

Marvin 4.1, 04/28/2006

getLocation

public final DPoint3 getLocation()

Gets the point's location.

Returns:

the point

setLocation

public void setLocation(DPoint3 p,
                        CTransform3D t)

Sets the point's location.

Parameters:

p - new location in the 'absolute' system (null transform)

t - viewing transformation

Since:

Marvin 4.1, 04/28/2006

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,
                          CTransform3D trot)

Gets a point of the line.

Overrides:

getPointRef in class MObject

Parameters:

i - the point index

trot - the viewing transformation or null

Returns:

the point's reference

Since:

Marvin 4.1, 05/01/2006

transform

public void transform(CTransform3D t,
                      int opts,
                      CTransform3D trot)

Transforms all points.

Specified by:

transform in class MObject

Parameters:

t - the transformation matrix

opts - transform options or 0

trot - the viewing transformation or null

See Also:

MObject.TRANSFORM_DISTORT

calcCenter

public final void calcCenter(DPoint3 p,
                             CTransform3D t)

Calculates the geometrical center.

Specified by:

calcCenter in class MObject

Parameters:

p - store the coordinates here

t - the transformation matrix or null

Since:

Marvin 4.1, 04/28/2006

distanceFrom

public final double distanceFrom(double x,
                                 double y,
                                 CTransform3D t)

Gets the 2D distance from the specified point.

Specified by:

distanceFrom in class MObject

Parameters:

x - the x coordinate

y - the y coordinate

t - transformation or null

Since:

Marvin 3.5, 11/04/2004

paint

public void paint(java.awt.Graphics2D 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