/**************************************************************************
/* This class demonstrates how to display images
/* (see display(1) from the ImageMagick-toolkit)
/*
/* Copyright (c) 2003 by Bernhard Bablok (mail@bablokb.de)
/*
/* This program is free software; you can redistribute it and/or modify
/* it under the terms of the GNU General Public License as published
/* by  the Free Software Foundation; either version 2 of the License or
/* (at your option) any later version.
/*
/* This program is distributed in the hope that it will be useful, but
/* WITHOUT ANY WARRANTY; without even the implied warranty of
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
/* GNU General Public License for more details.
/*
/* You should have received a copy of the GNU General Public License
/* along with this program; see the file COPYING.  If not, write to
/* the Free Software Foundation Inc., 59 Temple Place - Suite 330,
/* Boston, MA  02111-1307 USA
/**************************************************************************/

import magick.*;
import magick.util.*;
import java.awt.*;
import java.awt.event.*;

/**
   This class demonstrates how to display images
   (see display(1) from the ImageMagick-toolkit).

   @version $Revision: 1.1 $
   @author  $Author: Bablokb $
*/

public class Display extends Frame {

  MagickImage iImage;
  MagickViewer iViewer;

  //////////////////////////////////////////////////////////////////////////////

  public static void usage() {
    System.out.println("usage: java Display filename");
    System.exit(1);
  }

  //////////////////////////////////////////////////////////////////////////////

  public Display() {
    setResizable(true);
    addWindowListener(new WindowAdapter() {
	public void windowClosing(WindowEvent event) {
	  System.exit(0);
	}
      });
    iViewer = new MagickViewer();
    add(iViewer, "Center");
  }

  //////////////////////////////////////////////////////////////////////////////

  public Dimension getPreferredSize() {
    return getMinimumSize();
  }

  //////////////////////////////////////////////////////////////////////////////

  public Dimension getMinimumSize() {
    try {
      if (iImage == null)
	return new Dimension(300, 200);
      else
	return iImage.getDimension();
    } catch (MagickException e) {
      return new Dimension(300, 200);
    }
  }

  //////////////////////////////////////////////////////////////////////////////

  public void setImage(MagickImage image) {
    iImage = image;
    iViewer.setImage(image);
  }

  //////////////////////////////////////////////////////////////////////////////

  public static void main(String[] args) {
    if (args.length != 1)
      usage();

    try {
      ImageInfo   info  = new ImageInfo(args[0]);
      MagickImage image = new MagickImage(info);
      Display     d     = new Display();
      d.setImage(image);
      d.setTitle(image.getFileName());
      d.pack();
      d.show();
    } catch (MagickException ex) {
      System.err.println("MagickException: " + ex);
    }
  }
}