shapes2.java

一个用Java写的

/******************************************************************
 * Copyright (C) 2002-2006 Andrew Girow. All rights reserved.     *
 * ---------------------------------------------------------------*
 * This software is published under the terms of the TinyLine     *
 * License, a copy of which has been included with this           *
 * distribution in the TINYLINE_LICENSE.TXT file.                 *
 *                                                                *
 * For more information on the TinyLine,                          *
 * please see <http://www.tinyline.com/>.                         *
 *****************************************************************/
package tinyapp;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.zip.*;
import java.awt.image.*;

import com.tinyline.svg.*;
import com.tinyline.tiny2d.*;

import com.tinyline.app.PPSVGCanvas;
import com.tinyline.app.PlayerListener;
import com.tinyline.app.SVGEvent;

import com.tinyline.app.MouseHandler;

/**
 * The <tt>Shapes</tt> application demostrates how to create basic
 * SVG shapes using the DOM-like API and the Direct TinyLine API.
 * <p>
 * This code is based on Kevin Lindsey SVG Tutorial that you can
 * find here at
 * http://www.kevlindev.com/tutorials/basics/shapes/svg/
 * <p>
 * @author (C) Andrew Girow
 * @version 1.10
 * <p>
 */
public class Shapes2 extends Frame implements ActionListener
{

  // The menu
  MenuBar menuBar1 = new MenuBar();
  Menu menuFile = new Menu();
  MenuItem menuExit;
  MenuItem menuCircle, menuRect;

  // The SVG canvas
  PPSVGCanvas canvas;

  // event handlers
  MouseHandler currentMouseHandler;

  /**
   * Constructs a new <tt>Shapes</tt> instance.
   */
  public Shapes2()
  {
  }

  public void init()
  {
    setLayout(null);
    setTitle("Shapes SVG Demo");

    // Create the SVG canvas
    Dimension dim = getSize();
    canvas = new PPSVGCanvas(dim.width-10,dim.height-10);
    canvas.setBounds(5,5,dim.width-10,dim.height-10);
    add(canvas);

    // Add the default events listener
    PlayerListener defaultListener = new PlayerListener(canvas);
    canvas.addEventListener("default", defaultListener, false);
    // Add the custom events listener
    ShapesListener customListener = new ShapesListener(canvas);
    canvas.addEventListener("", customListener, false);

    // Sets the mouse handler
    currentMouseHandler = new MouseHandler(canvas);
    currentMouseHandler.type = MouseHandler.LINK_MOUSE;
    canvas.addMouseListener(currentMouseHandler);
    canvas.addMouseMotionListener(currentMouseHandler);

    // Create and add menu items
//   this.setBackground(SystemColor.control);
    menuFile.setLabel("File");
    menuExit = new MenuItem("Exit");
    menuExit.addActionListener(this);

    menuCircle = new MenuItem("Circle");
    menuCircle.addActionListener(this);
    menuRect = new MenuItem("Rect");
    menuRect.addActionListener(this);

    menuFile.add(menuCircle);
    menuFile.add(menuRect);
    menuFile.add(menuExit);
    menuBar1.add(menuFile);
    setMenuBar(menuBar1);

    // This tells the canvas that it can draw the image.
    // Loads the default font!!!
    SVGDocument doc = canvas.loadSVG(getClass().getResourceAsStream("/tinyapp/images/helvetica.svg"));
    SVGFontElem font = SVGDocument.getFont(doc,SVG.VAL_DEFAULT_FONTFAMILY);
    SVGDocument.defaultFont = font;

    // Start the event queue
    canvas.start();

    // Loads the background SVGT image
    canvas.goURL( getClass().getResource("/tinyapp/images/shapes.svg").toExternalForm()   );
  }

  public static final int SHAPE_CIRCLE   = 0;
  public static final int SHAPE_RECT     = 1;
  public static final int USER_EVENT     = 100;

  /**
   * Performs the action defined for menu items.
   */
  public void actionPerformed(ActionEvent e)
  {
     Object source = e.getSource();
     SVGEvent event = null;
     if(source == menuExit)
         System.exit(0);
     else if(source == menuCircle)
     {
        event = new SVGEvent(USER_EVENT, new TinyNumber(SHAPE_CIRCLE ));
        canvas.postEvent(event);
     }
     else if(source == menuRect)
     {
        event = new SVGEvent(USER_EVENT, new TinyNumber(SHAPE_RECT ));
        canvas.postEvent(event);
     }
  }

    /**
     * Main. Runs the Shapes sample appplication
     */
    public static void main(String[] args)
    {
        Shapes2 shape = new Shapes2();
        // Typical iPAQ or Zaurus dimentions 240 * 320
        shape.setBounds(0,0,240,320);
        shape.init();
        // For desktops is better 480 * 480
//      viewer.setBounds(0,0,480,480);
        shape.setVisible(true);
    }
}