org.freehep.graphicsio
Class PolylinePathConstructor

java.lang.Object
  org.freehep.graphicsio.AbstractPathConstructor
      org.freehep.graphicsio.QuadToCubicPathConstructor
          org.freehep.graphicsio.CubicToLinePathConstructor
              org.freehep.graphicsio.PolylinePathConstructor

All Implemented Interfaces:

PathConstructor

Direct Known Subclasses:

CGMPathConstructor

public abstract class PolylinePathConstructor

extends CubicToLinePathConstructor

Version:

$Id: PolylinePathConstructor.java,v 1.3 2005/01/01 07:34:45 duns Exp $

Author:

Mark Donszelmann

Source Code:

PolylinePathConstructor.java

Field Summary

protected boolean	closed
protected boolean	fill

Fields inherited from class org.freehep.graphicsio.AbstractPathConstructor

currentX, currentY

Constructor Summary

PolylinePathConstructor(boolean fill)

PolylinePathConstructor(boolean fill, double resolution)

Method Summary

void	closePath(double x0, double y0) Closes the path by drawing a straight line to the last point which was argument to move.
void	line(double x, double y) Draws a line from the current point to (x,y) and make (x,y) the current point.
void	move(double x, double y) Makes (x,y) the current point.
void	writePolyline()
protected abstract void	writePolyline(Vector polyline)

Methods inherited from class org.freehep.graphicsio.CubicToLinePathConstructor

cubic

Methods inherited from class org.freehep.graphicsio.QuadToCubicPathConstructor

quad

Methods inherited from class org.freehep.graphicsio.AbstractPathConstructor

addPath, addPath, addPath, flush, isEvenOdd

Methods inherited from class java.lang.Object

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

Field Detail

closed

protected boolean closed

fill

protected boolean fill

Constructor Detail

PolylinePathConstructor

public PolylinePathConstructor(boolean fill)

PolylinePathConstructor

public PolylinePathConstructor(boolean fill,
                               double resolution)

Method Detail

move

public void move(double x,
                 double y)
          throws IOException

Description copied from interface: PathConstructor

Makes (x,y) the current point.

Specified by:

move in interface PathConstructor

Overrides:

move in class QuadToCubicPathConstructor

Throws:

IOException

line

public void line(double x,
                 double y)
          throws IOException

Description copied from interface: PathConstructor

Draws a line from the current point to (x,y) and make (x,y) the current point.

Specified by:

line in interface PathConstructor

Overrides:

line in class QuadToCubicPathConstructor

Throws:

IOException

closePath

public void closePath(double x0,
                      double y0)
               throws IOException

Description copied from interface: PathConstructor

Closes the path by drawing a straight line to the last point which was argument to move.

Specified by:

closePath in interface PathConstructor

Overrides:

closePath in class QuadToCubicPathConstructor

Throws:

IOException

writePolyline

public void writePolyline()
                   throws IOException

Throws:

IOException

writePolyline

protected abstract void writePolyline(Vector polyline)
                               throws IOException

Throws:

IOException