drawimage.java

用Java开发的、实现类似Visio功能的应用程序源码

/**
 *    $Id:DrawImage.java $
 *
 *    Copyright 2004 ~ 2005  JingFei International Cooperation LTD. All rights reserved. *
 */
package com.jfimagine.jfdraw.draw;

import java.awt.Graphics;

import java.io.File;
import javax.swing.JOptionPane;

import com.jfimagine.jfdraw.draw.DrawRect;
import com.jfimagine.jfdraw.draw.DrawConst;

import com.jfimagine.jfdraw.gui.GUIUtils;
import com.jfimagine.jfdraw.gui.dialog.FileDialog;
import com.jfimagine.jfdraw.gui.resource.CADResource;

import com.jfimagine.jfgraph.shape.rectangle.JFImage;
 
 /**
 * Draw image class. It's a class to manipulate image operations.
 *
 * @author     CookieMaker    
 *
 * @version $Revision: 1.00 $
 */  
 public class DrawImage extends DrawRect{

    	/** Finalize mouse event*/
	protected void finalizeMouseEvent(Graphics g){
	
		//draw xor shape to eliminate whole the shape
		drawCurrentShape(true);
		//draw plain paint shape.
		drawCurrentShape(false);

		File imageFile	=FileDialog.getInputFile(m_drawCanvas,FileDialog.getImageFileFilter());
		
		if (imageFile==null){
			//clear drawing state
			m_drawState.clearDrawState();

		}else{
			JFImage	imageObj	  =(JFImage)m_drawState.getCurrentShape();
			imageObj.setCanvas(m_drawCanvas);
			if (!imageObj.loadImage(imageFile)){
				JOptionPane.showMessageDialog(null, CADResource.getString("image.loadFailure")+"\n"+imageObj.getLastError(), CADResource.getString("sys.error"), JOptionPane.ERROR_MESSAGE); 

				//clear drawing state
				m_drawState.clearDrawState();
			}else{
    				try{
    					if (m_page.isHidePorts())
    						imageObj.setShowDesign(false); 
    					else
    						imageObj.setShowDesign(true);
    				
					m_page.getCurrentLayer().getShapeList().add(imageObj); 
					m_selection.add(imageObj);
				}catch(Exception e){
				}
				
				//clear drawing state
				m_drawState.clearDrawState();
			}
		}
	
		m_drawCanvas.repaint();	
	}

 }