printcard..java~1~

会议名片管理程序 3/9条形码生成

package mymanager.print;

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;

public class PrintCard extends Canvas implements  ActionListener, Printable,ImageObserver
{
  // CODE 39 CHARACTERS
  private static String alphabet3of9="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%*";
  private static String coded3of9Char[]={
         /* 0 */ "000110100", /* 1 */ "100100001", /* 2 */ "001100001", /* 3 */ "101100000",
         /* 4 */ "000110001", /* 5 */ "100110000", /* 6 */ "001110000", /* 7 */ "000100101",
         /* 8 */ "100100100", /* 9 */ "001100100", /* A */ "100001001", /* B */ "001001001",
         /* C */ "101001000", /* D */ "000011001", /* E */ "100011000", /* F */ "001011000",
         /* G */ "000001101", /* H */ "100001100", /* I */ "001001100", /* J */ "000011100",
         /* K */ "100000011", /* L */ "001000011", /* M */ "101000010", /* N */ "000010011",
         /* O */ "100010010", /* P */ "001010010", /* Q */ "000000111", /* R */ "100000110",
         /* S */ "001000110", /* T */ "000010110", /* U */ "110000001", /* V */ "011000001",
         /* W */ "111000000", /* X */ "010010001", /* Y */ "110010000", /* Z */ "011010000",
         /* - */ "010000101", /* . */ "110000100", /*SPACE*/"011000100",/* $ */ "010101000",
         /* / */ "010100010", /* + */ "010001010", /* % */ "000101010", /* * */ "010010100" };

     /**
     * Costant for variant of the code.
     * @see #CODE3OF9CHK
     * @see #CODE3OF9
     * @see #setStyle
     * @see #getStyle
     */
  public final static int CODE3OF9=0, CODE3OF9CHK=1;

    /**
     * Costant for size of the narrowest bar.
     * @see #SMALL
     * @see #MEDIUM
     * @see #LARGE
     * @see #setDimension
     * @see #getDimension
     */
  public final static int SMALL=1,MEDIUM=2,LARGE=3;

    /**
     * Costant for text alignment.
     * @see #BASELINE
     * @see #MIDDLELINE
     * @see #TOPLINE
     * @see #setTextAlign
     * @see #getTextAlign
     */
  public final static int BASELINE=0,MIDDLELINE=1,TOPLINE=2;

  // default values
  private final static int DEFWIDTH=500;
  private final static int DEFHEIGHT=250;
  private final static boolean DEFTEXTINS=true;
  private final static int DEFSIZE=SMALL;
  private final static Color DEFBACKCOLOR=Color.white;
  private final static Color DEFFORECOLOR=Color.black;
  private final static Font DEFFONT=new Font("Courier",0, DEFWIDTH/25);

           // private members
  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=CODE3OF9;
  private int initialWidth=DEFWIDTH;
  private int initialHeight=DEFHEIGHT;
  private Color backColor=DEFBACKCOLOR;
  private Color foreColor=DEFFORECOLOR;
  private Font font=DEFFONT;
  private int textAlign=TOPLINE;

    // Constructors

    /**
     * Constructs a Barcode object with an empty string and the following defaults:<br>
     * size 100x50;<br>
     * label inside;<br>
     * small rendering;<br>
     * black on white color;<br>
     * Courier,12 font;
     */
  private String stringName="";
  private String stringPosition="";
  private String stringCompany="";


  public PrintCard(String sName, String sPosition, String sCompany)
  {
    this("3OF9", DEFWIDTH, DEFHEIGHT, DEFSIZE, CODE3OF9,
                           DEFTEXTINS, DEFBACKCOLOR, DEFFORECOLOR, DEFFONT,
                           TOPLINE,sName,sPosition,sCompany);

  }

  private PrintCard(String str, int iniWidth, int iniHeight,
                                  int dimens, int Styl, boolean textIns,
                                  Color backColor, Color foreColor,
                                                  Font font, int textAlign,String sName,
                                                  String sPosition ,  String sCompany )
  {
    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;
    this.stringName=sName;
    this.stringPosition=sPosition;
    this.stringCompany=sCompany;

    Encode();
  }
  public int print(Graphics g, PageFormat pf, int page) throws PrinterException
  {
    Graphics2D g2 = (Graphics2D)g;
    g2.setPaint(Color.black); //设置打印颜色为黑色
    if (page >0) //当打印页号大于需要打印的总页数时，打印工作结束
      return Printable.NO_SUCH_PAGE;
      //	repaint();
      //setSize(500,250);
    Rectangle rect=this.getBounds();
    double cwidth=getSize().width;
    double cheight=getSize().height;
    double scalex=pf.getImageableWidth()/cwidth;
    double scaley=pf.getImageableHeight()/cheight;
    double scale=Math.min( scalex, scaley);

    g2.translate(pf.getImageableX(), pf.getImageableY());//转换坐标，确定打印边界
    g2.scale( scale, scale);

    g2.translate(-rect.x,-rect.y);
    paint(g2);//打印当前页文本

      //this.getGraphics();
    return Printable.PAGE_EXISTS; //存在打印页时，继续打印工作
  }

  public void actionPerformed(ActionEvent evt)
  {}



   /**
     * Returns the mininimum size of this component.
     * @see #getPreferredSize
     */
  public Dimension getMinimumSize()
  {
    return minimumSize();
  }

   /**
     * Returns the minimum size of this component.
     * @see #preferredSize
     */
  public Dimension minimumSize()
  {
    Dimension minSize = new Dimension(initialWidth,initialHeight);
    return minSize;
  }

   /**
     * Returns the preferred size of this component.
     * @see #getMinimumSize
     */
  public Dimension getPreferredSize() { return preferredSize();  }

  /**
     * @deprecated As of JDK version 1.1,
     * replaced by getPreferredSize().
     */
  public Dimension preferredSize() { return minimumSize(); }

           /**
     * Resizes the Component to the specified width and height.
     * @param width the width of the component
     * @param height the height of the component
     */
  public void setSize(int width, int height)
  {
    initialWidth=width; initialHeight=height;
    super.setSize( width, height); repaint();
  }

   //Resizes the Component to the default width and height.
  public void setDefaultSize()
  {
    initialWidth=DEFWIDTH; initialHeight=DEFHEIGHT;
    super.setSize( DEFWIDTH, DEFHEIGHT); repaint();
  }

           /**
     * Resizes the Component to the specified dimension.
     * @param d the dimension of the component
     */
  public void setSize(Dimension d)
  {
    initialWidth=d.width; initialHeight=d.height;
    super.setSize(d.width,10*d.height); repaint();
  }

           /**
     * Returns the parameter String of this Component.
     */
  protected String paramString()
  {
    String str = filledStringToEncode + "," + initialWidth + "x" + initialHeight;
    return str;
  }

    /**
     * Returns the String representation of this Component's values.
     */
  public String toString() { 	return getClass().getName() + "[" + paramString() + "]";  }


   /**
     * Return the minimum dimension needed to successfully display a code of string str.
     * Use it to resize the component using method  resize(Dimension d)
     * @param str the sting to encode
     * @return the minimum dimension
     */
  public Dimension requestedMinimunSize(String str)
  {
    int width=str.length()*16*this.narrowestDim+31*this.narrowestDim;
    if ( this.style==CODE3OF9CHK )
      width+=16*this.narrowestDim;
    int height=Math.max((int)(.15*width),35);
    return new Dimension(width,height);
  }


   /**
     * Sets the string encoded in the Barcode.
     * @param str the string to encode
     * @exception IllegalArgumentException If an improper string was given.
     * @see #getString
     */
  public void setString(String str) throws IllegalArgumentException
  {
    stringToEncode=str;
    stringValidate();
    Encode();
  }

   /**
     * Gets the string encoded in the Barcode.
     * @return the encoded string
     * @see #setString
     */
  public String getString() { return stringToEncode;   }

   /**
     * Sets the dimension of the narrowest bar. Values allowed are SMALL, MEDIUM and LARGE
     * @param dim the dimension
     * @see #SMALL
     * @see #MEDIUM
     * @see #LARGE
     * @see #getDimension
     */
  public void setDimension(int dim)
  {
    switch (dim)
    {
      case SMALL:
      case MEDIUM:
      case LARGE:
            narrowestDim=dim;
            repaint();
            return;
    }
    narrowestDim=DEFSIZE;
    repaint();
  }

   /**
     * Gets the dimension of the narrowest bar.
     * @return the dim of the bar
     * @see #SMALL
     * @see #MEDIUM
     * @see #LARGE
     * @see #setDimension
     */
  public int getDimension() { return narrowestDim; }