arrowrenderer2dtest.java

化学图形处理软件

/* $RCSfile$
 * $Author: egonw $
 * $Date: 2007-03-10 13:32:01 +0000 (Sa, 10 Mrz 2007) $
 * $Revision: 8072 $
 * 
 * Copyright (C) 1997-2005  The Chemistry Development Kit (CDK) project
 *
 * Contact: [e-mail]
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.test.renderer;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.io.InputStream;
import java.util.Hashtable;

import javax.swing.JFrame;
import javax.swing.JPanel;
import org.openscience.cdk.ChemFile;
import org.openscience.cdk.ChemObject;
import org.openscience.cdk.geometry.GeometryTools;
import org.openscience.cdk.interfaces.IAtom;
import org.openscience.cdk.io.CMLReader;
import org.openscience.cdk.io.MDLReader;
import org.openscience.cdk.renderer.Arrow;
import org.openscience.cdk.renderer.ArrowRenderer2D;
import org.openscience.cdk.renderer.Renderer2D;
import org.openscience.cdk.renderer.Renderer2DModel;

/**
 * @cdk.module test-extra
 */
public class ArrowRenderer2DTest extends JPanel {

    private static final long serialVersionUID = 5867092170859159975L;

    MDLReader mr;

	CMLReader cr;

	ChemFile chemFile;

	org.openscience.cdk.interfaces.IChemSequence chemSequence;

	org.openscience.cdk.interfaces.IChemModel chemModel;

	org.openscience.cdk.interfaces.IMoleculeSet setOfMolecules;

	org.openscience.cdk.interfaces.IMolecule molecule;

	Renderer2DModel r2dm;

	Renderer2D renderer;
	ArrowRenderer2D arrowRenderer;
	Arrow[] arrows = new Arrow[1];

	
	public ArrowRenderer2DTest(String inFile) {
		// The two atom numbers of the atoms to be connected by an arrow
		int an1 = 2, an2 = 7;
		Renderer2DModel r2dm;
		Hashtable ht = null;
		r2dm = new Renderer2DModel();
		renderer = new Renderer2D(r2dm);
		arrowRenderer = new ArrowRenderer2D(r2dm);
		Dimension screenSize = new Dimension(600, 400);
		setPreferredSize(screenSize);
		r2dm.setBackgroundDimension(screenSize); // make sure it is synched
													// with the JPanel size
		setBackground(r2dm.getBackColor());

		try {
			InputStream ins = this.getClass().getClassLoader()
					.getResourceAsStream(inFile);
			// FileInputStream fis = new FileInputStream(inFile);
			if (inFile.endsWith(".cml")) {
				cr = new CMLReader(ins);
				chemFile = (ChemFile) cr.read((ChemObject) new ChemFile());
			} else {
				mr = new MDLReader(ins);
				chemFile = (ChemFile) mr.read((ChemObject) new ChemFile());
			}
			ins.close();
			chemSequence = chemFile.getChemSequence(0);
			chemModel = chemSequence.getChemModel(0);
			setOfMolecules = chemModel.getMoleculeSet();
			molecule = setOfMolecules.getMolecule(0);
			ht = r2dm.getColorHash();
			r2dm.setDrawNumbers(true);
			ht.put(molecule.getAtom(an1), Color.red);
			ht.put(molecule.getAtom(an2), Color.red);
			GeometryTools.translateAllPositive(molecule,r2dm.getRenderingCoordinates());
			GeometryTools.scaleMolecule(molecule, getPreferredSize(), 0.8,r2dm.getRenderingCoordinates());
			GeometryTools.center(molecule, getPreferredSize(),r2dm.getRenderingCoordinates());
		} catch (Exception exc) {
			exc.printStackTrace();
		}

		IAtom a1 = molecule.getAtom(an1);
		IAtom a2 = molecule.getAtom(an2);
		arrows[0] = new Arrow(a1, a2);
		JFrame frame = new JFrame();
		frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		frame.getContentPane().add(this);
		frame.pack();
		frame.setVisible(true);

	}

	public void paint(Graphics g) {
		super.paint(g);
		renderer.paintMolecule(molecule, (Graphics2D) g, false, true);
		arrowRenderer.paintArrows(arrows,(Graphics2D) g);
	}

}