package com.zanthan.sequence;
   
   import java.awt.Dimension;
   import java.awt.Toolkit;
   import java.awt.image.BufferedImage;
   import java.io.File;
   import java.io.IOException;
   
   import javax.imageio.ImageIO;
  
  import ch.elca.el4j.util.codingsupport.annotations.FindBugsSuppressWarnings;
  
  /**
   *
   * This class is a fasade for the Sequence library.
   * It is located in the pacakge com.zanathan.sequence to access classes that
   * have other than public visability.
   *
   * @svnLink $Revision: 4010 $;$Date: 2009-12-01 10:59:54 +0100 (Di, 01. Dez 2009) $;$Author: jonasha $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/detailed_statistics/common/src/main/java/com/zanthan/sequence/Fasade.java $
   *
   * @author David Stefan (DST)
   */
  public class Fasade {
  
  	/**
  	 * Create a Sequence Diagram of the given graph.
  	 *
  	 * @param graph
  	 *            The graph to create the diagram for
  	 * @param filename
  	 *            The file to save the graph in
  	 */
  	public void createSequenceDiagram(String graph, String filename) {
  		Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
  		int width = size.width / 2;
  		int height = size.height / 2;
  		createSequenceDiagram(graph, filename, width, height);
  	}
  	
  	/**
  	 * Create a Sequence Diagram of the given graph.
  	 *
  	 * @param graph
  	 *            The graph to create the diagram for
  	 * @param filename
  	 *            The file to save the graph in
  	 * @param width
  	 *            The width of the diagram
  	 * @param height
  	 *            The height of the diagram
  	 */
  	@FindBugsSuppressWarnings(value = "RV_RETURN_VALUE_IGNORED_BAD_PRACTICE",
  						justification = "It is not important if the file really was newly created")
  	public void createSequenceDiagram(String graph, String filename,
  		int width, int height) {
  		Display disp = new Display(null);
  		disp.setSize(width, height);
  		disp.init(graph);
  		
  		BufferedImage bi = new BufferedImage(width, height,
  			BufferedImage.TYPE_INT_ARGB);
  		disp.paintComponent(bi.createGraphics());
  		File file = new File(filename);
  		try {
  			file.createNewFile();
  			ImageIO.write(bi, "png", file);
  		} catch (IOException ioe) {
  			ioe.printStackTrace();
  
  		}
  	}
  }