picturedrawer.java

一个Java图形图像处理编辑器的源代码,常见的图片处理效果里面都实现了

/*
 * 图形编辑器演示程序
 */

package PictureDrawer;

import javax.swing.JRadioButton;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.ButtonGroup;
import javax.swing.JDesktopPane;
import javax.swing.JMenuItem;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JSeparator;
import javax.swing.JToolBar;
import javax.swing.JFileChooser;
import javax.swing.KeyStroke;


import java.net.URLClassLoader;
import java.net.URL; 

import java.util.Vector;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.InputEvent;

/** 
 * 这个类是本演示程序的入口，它将创建和演示主应用程序框架
 */
public class PictureDrawer extends JFrame implements ActionListener{
    //常量定义
    
    /**
     * 当前没有任何的操作
     */
    public static final int TOOL_MOUSE = 0;

    /**
     * 当前操作为放大器操作
     */
    public static final int TOOL_MAGNIFIER = 1;

    /**
     * 当前操作为旋转操作
     */
    public static final int TOOL_ROTATE = 2;    
    
    /**
     * 当前操作为反色操作
     */
    public static final int TOOL_INVERT = 3;

    /**
     * 当前操作为其他反色处理
     */
    public static final int TOOL_OTHER_INVERT = 4;
    
    /**
     * 当前操作为黑色最小阈值
     */
    public static final int TOOL_BLACK_THRESHOLD = 5;
    
    /**
     * 当前操作为白色最大阈值
     */
    public static final int TOOL_WHITE_THRESHOLD = 6;
    
    /**
     * 当前操作亮度调整
     */
    public static final int TOOL_RESCALE = 7;

    /**
     * 当前操作图像缩放操作
     */
    public static final int TOOL_ZOOM = 8;
    
    /**
     * 当前操作3x3边缘化操作
     */
    public static final int TOOL_EDGE33 = 9;
      
    /**
     * 当前操作5x5边缘化操作
     */
    public static final int TOOL_EDGE55 = 10;
    
    /**
     * 当前操作锐化操作
     */
    public static final int TOOL_SHARPEN = 11;
    
    /**
     * 当前操作钝化操作
     */
    public static final int TOOL_BLUR = 12;
    
    /**
     * 当前操作:对图像进行垂直镜像操作
     */
    public static final int TOOL_VERTICAL_MIRROR = 13;
    
    /**
     * 当前操作:对图像进行水平镜像操作
     */
    public static final int TOOL_HORIZONTAL_MIRROR = 14;
    
    /**
     * 将当前图形进行恢复
     */
    public static final int TOOL_RETRIEVE = 15;
    
    
    
    /**
     * 单击该按钮后，取消其他工具的操作
     */
    private JRadioButton jrbtnHand;
    
    /**
     * 单击该按钮后，显示放大镜，放大图像
     */
    private JRadioButton jrbtnMagnifier;

    /**
     * 单击该按钮后，显示旋转图像
     */
    private JRadioButton jrbtnRotate;

    /**
     * 单击该按钮后，显示反色当前图像
     */
    private JRadioButton jrbtnInvert;
    
    /**
     * 单击该按钮后，显示其他反色图像
     */
    private JRadioButton jrbtnOtherInvert;    
        
    /**
     * 单击该按钮后，将图像变为黑色最小阈值操作
     */
    private JRadioButton jrbtnBlackThreshold;
    
    /**
     * 单击该按钮后，将图像变为白色最大阈值操作
     */
    private JRadioButton jrbtnWhiteThreshold;
    
    /**
     * 单击该按钮后，将图像变亮度调整操作
     */
    private JRadioButton jrbtnRescale;
    
    /**
     * 单击该按钮后，将图像变为缩放操作
     */
    private JRadioButton jrbtnZoom;
    
    /**
     * 单击该按钮后，将图像变3x3边缘操作
     */
    private JRadioButton jrbtnEdge33;
    
    /**
     * 单击该按钮后，将图像变为5x5边缘操作
     */
    private JRadioButton jrbtnEdge55;

    /**
     * 单击该按钮后，将图像变锐化操作
     */
    private JRadioButton jrbtnSharpen;
    
    /**
     * 单击该按钮后，将图像变为钝化操作
     */
    private JRadioButton jrbtnBlur;

    /**
     * 单击该按钮后，将图像变垂直镜像操作
     */
    private JRadioButton jrbtnVerticalMirror;
    
    /**
     * 单击该按钮后，将图像变为水平镜像操作
     */
    private JRadioButton jrbtnHorizontalMirror;

    /**
     * 单击该按钮后，将图像恢复为原来的图像
     */
    private JRadioButton jrbtnRetrieve;
    
    
    /**
     * 保存工具栏单选按钮
     */
    private Vector toolbuttons = new Vector();
    
    private JDesktopPane desktop;
    private JToolBar jToolBar1;
    private JMenuBar mainMenuBar;    
    
    private JMenu fileMenu;
    private JMenuItem exitMenuItem;
    private JSeparator jSeparator1;
    private JMenuItem openMenuItem;
    private JMenuItem saveMenuItem;
    private JMenuItem saveAsMenuItem;
    
    private JMenu modifyMenu;
    private JMenuItem magnifierMenuItem;
    private JMenuItem rotateMenuItem;
    private JMenuItem invertMenuItem;
    private JMenuItem otherInvertMenuItem;
    private JMenuItem blackThresholdMenuItem;
    private JMenuItem whiteThresholdMenuItem;
    private JMenuItem rescaleMenuItem;
    private JMenuItem zoomMenuItem;
    private JMenuItem edge33MenuItem;
    private JMenuItem edge55MenuItem;
    private JMenuItem sharpenMenuItem;
    private JMenuItem blurMenuItem;
    private JMenuItem vMirrorMenuItem;
    private JMenuItem hMirrorMenuItem;
    private JMenuItem retrieveMenuItem;
    
    
    /**
     * 标识当前的操作类型
     */
    private int current_tool = TOOL_MOUSE;



    /** 
     * 构造函数
     */
    public PictureDrawer() {
        initComponents();
        pack();
        //最大化窗口
        setExtendedState(MAXIMIZED_BOTH);
    }

    /** 
     * 初始化组件，该函数被构造函数调用
     */
    private void initComponents() {
        desktop = new JDesktopPane();
        
        mainMenuBar = new JMenuBar();
        fileMenu = new JMenu();
        openMenuItem = new JMenuItem();
        jSeparator1 = new JSeparator();
        exitMenuItem = new JMenuItem();
        saveMenuItem = new JMenuItem();
        saveAsMenuItem = new JMenuItem();
        
        modifyMenu = new JMenu();
    	magnifierMenuItem = new JMenuItem();
    	rotateMenuItem = new JMenuItem();
    	invertMenuItem = new JMenuItem();
    	otherInvertMenuItem = new JMenuItem();
    	blackThresholdMenuItem = new JMenuItem();
    	whiteThresholdMenuItem = new JMenuItem();
    	rescaleMenuItem = new JMenuItem();
    	zoomMenuItem = new JMenuItem();
    	edge33MenuItem = new JMenuItem();
    	edge55MenuItem = new JMenuItem();
    	sharpenMenuItem = new JMenuItem();
    	blurMenuItem = new JMenuItem();
    	vMirrorMenuItem = new JMenuItem();
    	hMirrorMenuItem = new JMenuItem();
    	retrieveMenuItem = new JMenuItem();
        

        setTitle(java.util.ResourceBundle.getBundle("PictureDrawer/default").
                getString("Picture_Drawer"));
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }
        });

        getAccessibleContext().setAccessibleName(
            java.util.ResourceBundle.getBundle("PictureDrawer/default").
                getString("Image_Viewer_Frame"));
        getContentPane().add(desktop, java.awt.BorderLayout.CENTER);
        desktop.getAccessibleContext().setAccessibleName(
            java.util.ResourceBundle.getBundle("PictureDrawer/default").
                getString("Image_Desktop"));
        desktop.getAccessibleContext().setAccessibleDescription(
            java.util.ResourceBundle.getBundle("PictureDrawer/default").
                getString("Image_desktop"));

        //创建File菜单
        fileMenu.setMnemonic('f');
        fileMenu.setText(
            java.util.ResourceBundle.getBundle("PictureDrawer/default").
                getString("File"));
        fileMenu.getAccessibleContext().setAccessibleName(
                        fileMenu.getText());
        fileMenu.getAccessibleContext().setAccessibleDescription(
                        fileMenu.getText());

        //Open菜单
        openMenuItem.setAccelerator(
            KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK));
        openMenuItem.setMnemonic('o');
        openMenuItem.setText(