code39.java~3~

会议名片管理程序 3/9条形码生成

package cardmanager;


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Properties;
import java.awt.font.FontRenderContext;
import java.awt.print.*;

import java.io.*;
import java.awt.image.*;
import java.awt.geom.*;
import java.util.*;
import javax.swing.event.*;
import java.util.Vector;

import cardmanager.*;

public class Code39 extends JLabel {

  private static String[] CODEA =new String[]{
                                         "1010001110111010",
                                         "1110100010101110",
                                         "1011100010101110",
                                         "1110111000101010",
                                         "1010001110101110",
                                         "1110100011101010",
                                         "1011100011101010",
                                         "1010001011101110",
                                         "1110100010111010",
                                         "1011100010111010"
                                         };
  private String SNnumber="3102104000001";
  private String EncodedString="";
  private Dimension line=new Dimension(1,40);

  //属性

  private final static int DEFWIDTH=500;
  private final static int DEFHEIGHT=80;
  private final static boolean DEFTEXTINS=true;
  private final static int DEFSIZE=1;
  private final static Color DEFBACKCOLOR=Color.white;
  private final static Color DEFFORECOLOR=Color.black;
  private final static Font DEFFONT=new Font("Courier",0, 14);
  private double wideToNarrowRatio=3;
  private String intercharacterGap="0";
  private double marginWidth,marginHeight;
  private double labelLength;
  private double labelHeight;
  private String stringToEncode="";
  private String filledStringToEncode="";
  private String encodedString="";
  private int narrowestDim=DEFSIZE;//
  private boolean textInside=DEFTEXTINS;//
  private int style=0;//
  private int initialWidth=DEFWIDTH;//
  private int initialHeight=DEFHEIGHT;//
  private Color backColor=DEFBACKCOLOR;//
  private Color foreColor=DEFFORECOLOR;//
  private Font font=DEFFONT;//
  private int textAlign=2;//

  public Code39()
  {
    this("3OF9", DEFWIDTH, DEFHEIGHT, DEFSIZE, 0,
                           DEFTEXTINS, DEFBACKCOLOR, DEFFORECOLOR, DEFFONT,
                           2
                           );
  }
  private Code39(String str, int iniWidth, int iniHeight,
                                 int dimens, int Styl, boolean textIns,
                                 Color backColor, Color foreColor,
                                                 Font font, int textAlign
                                                 )
 {
     this.stringToEncode=str;
     this.narrowestDim=dimens;
     this.initialWidth=iniWidth;
     this.initialHeight=iniHeight;
     this.textInside=textIns;
     this.style=Styl;
     this.backColor=backColor;
     this.foreColor=foreColor;
     this.font=font;
     this.textAlign=textAlign;


     Encode();
   }


  public synchronized void paint(Graphics g) {
    super.paint(g);
    FontMetrics metrics=g.getFontMetrics();
    int ha=metrics.getAscent()-metrics.getDescent();
    int hb=ha/2;
    int hc=line.height;
    int hd=line.width;
    int he=metrics.getAscent()-metrics.getDescent();
    int totalheight=ha+hb+hc+hd+he;
    int wb=line.width*95;
    int wc=line.width;
    int totalwidth=wb+wc;
    Dimension dim=new Dimension(totalwidth,totalheight);
    this.setMinimumSize(dim);
    int x=(this.getWidth())/4;
    int y=(this.getHeight()-totalheight-20)/2;

    drawCode39(g,x,y+ha+hb-10,hd+he/2-20);

    g.drawString("*"+SNnumber+"*",x+52,y+totalheight);

  }


  private void drawCode39(Graphics g,int x,int y,int t) {
    int x1=x;
    int one=line.width;
    int height=line.height;
    String s=EncodedString;
    int n=s.length();
    for(int i=0;i<n;i++) {
      if(s.charAt(i)=='1') {
        g.fillRect(x1,y,one,height);
      }
      x1+=one;
    }
  }

  public void setCode39(String s) {
    if(s!=null && s.length()==13) {
      boolean valid=true;
      for(int i=0;i<13;i++) {
        if(!Character.isDigit(s.charAt(i))) {
          valid=false;
          break;
        }
      }
      if(valid) {
        this.SNnumber=s;
        this.repaint();
      }
    }

    Encode();
  }

  public void clearBar()
  {
    this.setForeground(Color.white);
  }

  public void displayBar()
  {
    this.setForeground(Color.black);
  }
  public String getUpc() {
    return this.SNnumber;
  }


  public void setLineDimension(Dimension dim) {
    if(dim.width>0 && dim.height>0) {
      this.line=new Dimension(dim.width,dim.height);
      this.repaint();
    }
  }
  public Dimension getLineDimension() {
    return new Dimension(line.width,line.height);
  }

  public void setSize(int width, int height)
  {
    initialWidth=width;
    initialHeight=height;
    super.setSize( width, height);
    repaint();
  }

  private void Encode()
  {

    for(int i=0;i<13;i++) {
      EncodedString+=CODEA[SNnumber.charAt(i)-'0'];
    }
    EncodedString="1000101110111010"+EncodedString+"1000101110111010";

    repaint();

  }
  private void stringValidate() throws IllegalArgumentException {

  }

  public void setFont(Font fnt) { font=fnt; repaint(); }
  public Font getFont() { return font; }

  public void setForeground(Color c) { foreColor=c;  repaint(); }
  public Color getForeground() { return foreColor; }

  public void setBackground(Color c) { backColor=c;  repaint(); }
  public Color getBackground() { return backColor; }


}