package edu.uci.ics.jung.visualization;
   
   import java.awt.Shape;
   import java.awt.geom.PathIterator;
   import java.awt.image.BufferedImage;
   
   import edu.uci.ics.jung.visualization.util.ImageShapeUtils;
   import junit.framework.TestCase;
   
  public class TestImageShaper extends TestCase {
  	
  	BufferedImage image;
  	
  	@Override
  	protected void setUp() throws Exception {
  		super.setUp();
  		int width = 6;
  		int height = 5;
  		image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
  		for(int i=0; i<height; i++) {
  			for(int j=0; j<width; j++) {
  				image.setRGB(j, i, 0x00000000);
  //				System.err.println("["+j+","+i+"] = "+image.getRGB(j, i));
  //				if((image.getRGB(j,i) & 0xff000000) != 0) {
  //					System.err.println("got an opaque point at ["+j+","+i+"]");
  //				}
  			}
  		}
  		image.setRGB(3, 1, 0xffffffff);
  		image.setRGB(4, 1, 0xffffffff);
  		image.setRGB(2, 2, 0xffffffff);
  		image.setRGB(4, 2, 0xffffffff);
  		image.setRGB(1, 3, 0xffffffff);
  		image.setRGB(2, 3, 0xffffffff);
  		image.setRGB(3, 3, 0xffffffff);
  		image.setRGB(4, 3, 0xffffffff);
  	}
  
  	public void testShaper() {
  		Shape shape = ImageShapeUtils.getShape(image, 30);
  //		System.err.println("complete shape = "+shape);
  		float[] seg = new float[6];
  		for (PathIterator i = shape.getPathIterator(null, 1); !i.isDone(); i
  				.next()) {
  			int ret = i.currentSegment(seg);
  //			if (ret == PathIterator.SEG_MOVETO) {
  //				System.err.println("move to "+seg[0]+","+seg[1]);
  //			} else if (ret == PathIterator.SEG_LINETO) {
  //				System.err.println("line to "+seg[0]+","+seg[1]);
  //			} else if(ret == PathIterator.SEG_CLOSE) {
  //				System.err.println("done");
  //			}
  		}
  	}
  }