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/*
*
* Copyright (C) 1999, Institute for MicroTherapy
*
* This software and supporting documentation were developed by
*
* University of Witten/Herdecke
* Department of Radiology and MicroTherapy
* Institute for MicroTherapy
* Medical computer science
*
* Universitaetsstrasse 142
* 44799 Bochum, Germany
*
* http://www.microtherapy.de/go/cs
* mailto:computer.science@microtherapy.de
*
* THIS SOFTWARE IS MADE AVAILABLE, AS IS, AND THE INSTITUTE MAKES NO
* WARRANTY REGARDING THE SOFTWARE, ITS PERFORMANCE, ITS MERCHANTABILITY
* OR FITNESS FOR ANY PARTICULAR USE, FREEDOM FROM ANY COMPUTER DISEASES
* OR ITS CONFORMITY TO ANY SPECIFICATION. THE ENTIRE RISK AS TO QUALITY
* AND PERFORMANCE OF THE SOFTWARE IS WITH THE USER.
*
*
* Author : $Author: kleber $
* Last update : $Date: 2001/06/06 10:32:30 $
* Revision : $Revision: 1.1.1.1 $
* State: $State: Exp $
*/
package viewer.paint;
import java.awt.*;
import java.awt.geom.*;
/**
* This class contains methods for creating an ellipse.
* <br>
* These objects can be display or image relative.
* <br>
* These objects can be a shutter.
*
* @author Klaus Kleber
* @version 1.0
* @since 30.04.1999
* @see PaintObject
*/
public class Ellipse2DObject extends PaintObject
{
/**
* Contains the geometic form of the ellipse.
*
* @since 30.04.1999
*/
public Ellipse2D.Float thisShape = null;
/**
* Contructs an new Circle2DObject form the specified parameters.
*
* @param tlhc Top left hand coner of the bounding rectangle
* @param brhc Bottom right hand coner of the bounding rectangle.
* @since 30.04.1999
*/
public Ellipse2DObject(Point2D.Float tlhc, Point2D.Float brhc)
{
super();
setNewPoint(tlhc);
setNewPoint(brhc);
thisShape = build(tlhc,brhc);
}
/**
* Constructs a new object.
*
* @since 30.04.1999
*/
public Ellipse2DObject()
{
super();
}
/**
* Constucts a new object with the specified parameter.
*
* @param filled true if the object should be filled
* @param isDisplayRelative true if the object should be display relative.
* @param isShutter true if the object should be a shutter.
* @since 30.04.1999
*/
public Ellipse2DObject(boolean filled , boolean isDisplayRelative,boolean isShutter)
{
super();
this.filled = filled;
this.isShutter = isShutter;
this.isDisplayRelative = isDisplayRelative;
}
/**
* Gets the Shape of the Ellipse2DObject.
*
* @return The Shape of the Ellipse2DObject.
* @since 30.04.1999
*/
public Shape getShape()
{
return thisShape;
}
/**
* Insert a new point to the objectPoints. You can only insert 2 points.
*
* @param The new point of the circle
* @since 30.04.1999
*/
public void setNewPoint(Point2D.Float newPoint)
{
objectPoints.add(newPoint);
if (objectPoints.size() == 1)
{
status = STATUS_BEGIN;
}
else
{
status = STATUS_STOP;
thisShape = build(((Point2D.Float)objectPoints.elementAt(0)),((Point2D.Float)objectPoints.elementAt(1)));
}
}
/**
* Returns the part of the Ellipse2DObject which should be redraw if the Ellipse2DObject will be created.
*
* @param nextPoint The next drawing Point.
* @return The part of the PaintObject which should be redraw.
* @see PaintObject#getMovePaintObject
*/
public PaintObject getMovePaintObject(Point2D.Float nextPoint)
{
return new Ellipse2DObject(getCopyPointAt(0), nextPoint);
}
/**
* Returns a real copy of the Ellipse.
*
* @return a real copy of this Ellipse2DObject.
* @since 30.04.1999
*/
public PaintObject copy()
{
Ellipse2DObject returnAnnotation = new Ellipse2DObject();
for (int i = 0; i< objectPoints.size(); i++)
{
returnAnnotation.setNewPoint(((Point2D.Float)objectPoints.elementAt(i)));
}
returnAnnotation.setStatus(this.getStatus());
returnAnnotation.setFilled(filled);
returnAnnotation.isDisplayRelative = isDisplayRelative;
returnAnnotation.thisShape=build(((Point2D.Float)objectPoints.elementAt(0)),((Point2D.Float)objectPoints.elementAt(1)));
return returnAnnotation;
}
/**
* Draws the Shape of the Ellipse2DObject in the specified Graphics context.
*
* @param g The Graphics context in which the Shape should be drawn.
* @since 30.04.1999
*/
public void drawShape(Graphics2D g)
{
if ((g!=null) && (thisShape!= null))
{
g.draw(thisShape);
if (filled) g.fill(thisShape);
}
}
/**
* Contructs a cirular Ellipse2D form the specified parameters.
*
* @param tlhc Top left hand coner of the bounding rectangle
* @param brhc Bottom right hand coner of the bounding rectangle.
* @since 30.04.1999
*/
public Ellipse2D.Float build(Point2D.Float tlhc, Point2D.Float brhc)
{
if (tlhc.x >brhc.x)
{
float change = tlhc.x;
tlhc.x = brhc.x;
brhc.x = change;
}
if (tlhc.y >brhc.y)
{
float change = tlhc.y;
tlhc.y = brhc.y;
brhc.y = change;
}
float x = tlhc.x;
float y = tlhc.y;
float w = brhc.x-x;
float h = brhc.y-y;
return new Ellipse2D.Float(x,y,w,h);
}
/**
* Returns new Ellipse2DObject with the same properties as the current object.
*
* @return A new Ellipse2DObject with the same properties.
* @since 30.04.1999
*/
public PaintObject getNewPaintObject()
{
return new Ellipse2DObject(filled,isDisplayRelative,isShutter);
}
}
/*
* CVS Log
* $Log: Ellipse2DObject.java,v $
* Revision 1.1.1.1 2001/06/06 10:32:30 kleber
* Init commit for DICOMscope 3.5
* Create new CVS
*
*/
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