printcard.java~48~

会议名片管理程序 3/9条形码生成

                 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; }

           /**
     * Call this method with true (or false) as argument if you want (or not) a text label inside.
     * @see #isTextInside
     */
           public void setTextInside(boolean bool) {  textInside=bool; repaint();   }

   /**
     * Return true if a label will be shown inside.
     * @see #setTextInside
     */
           public boolean isTextInside() { return textInside;   }

   /**
     * Set the style of the code to one of the two available style.
     * @see #CODE3OF9
     * @see #CODE3OF9CHK
     * @see #getStyle
     */
           public void setStyle(int styl)
           {
             switch (styl) {
        case CODE3OF9:
                 case CODE3OF9CHK:
               style=styl;
           Encode();
                     return;
              }
              style=CODE3OF9;

              Encode();
    }

    /**
     * return the style of the barcode currently used.
     * @see #CODE3OF9
     * @see #CODE3OF9CHK
     * @see #setStyle
     */
           public int  getStyle() { return style;  }

   /**
     * set the color of the background to the specified color.
     * @param c the color to be used
     * @see #getBackgroundColor
     * @see #setForegroundColor
     * @see #getForegroundColor
     */
           public void setBackground(Color c) { backColor=c;  repaint(); }

   /**
     * return the color used for the background.
     * @return the color used
     * @see #setBackgroundColor
     * @see #setForegroundColor
     * @see #getForegroundColor
     */
           public Color getBackground() { return backColor; }

   /**
     * set the color of the foreground to the specified color.
     * @param c the color to be used
     * @see #getBackgroundColor
     * @see #setBackgroundColor
     * @see #getForegroundColor
     */
           public void setForeground(Color c) { foreColor=c;  repaint(); }

   /**
     * return the color used for the foreground.
     * @return the color used
     * @see #setBackgroundColor
     * @see #getBackgroundColor
     * @see #setForegroundColor
     */
           public Color getForeground() { return foreColor; }

   /**
     * Sets the font of the component.
     * @param fnt the font
     * @see #getFont
     */
           public void setFont(Font fnt) { font=fnt; repaint(); }

   /**
     * Gets the font of the component.
     * @see #setFont
     */
           public Font getFont() { return font; }

   /**
     * Set the alignment of text inside the bar code. Three option are available.
     * @see #BASELINE
     * @see #MIDDLELINE
     * @see #TOPLINE
     * @see #getTextAlign
     */
           public void setTextAlign(int align)
           {
                   switch (align) {
        case BASELINE:
                 case MIDDLELINE:
                 case TOPLINE:
             textAlign=align;
             repaint();
                     return;
              }
              textAlign=TOPLINE;
              repaint();
    }
   /**
     * Set the alignment of text inside the bar code. Three option are available.
     * @see #BASELINE
     * @see #MIDDLELINE
     * @see #TOPLINE
     * @see #setTextAlign
     */
    public int  getTextAlign() { return textAlign; }

   /**
     * Paints the component.
     * @param g the specified Graphics window
     */
    public synchronized void paint (Graphics g)
    {
      int width=500;
      int height=260;
      g.drawRect(0,0,498,258);

      Font ft=new Font("Courier",0, 14);
      g.setFont(ft);
      FontMetrics fm=g.getFontMetrics(font);

      int fmAscent=fm.getAscent();

      labelLength= filledStringToEncode.length()*16*narrowestDim;

      marginWidth=(width-labelLength)/2;
      marginHeight=(height-labelLength)/2;

      if ( textInside )
      {
         if ( textAlign==BASELINE )   labelHeight=height;
         if ( textAlign==MIDDLELINE ) labelHeight=height-(int)(fmAscent/2);
         if ( textAlign==TOPLINE )    labelHeight=height-fmAscent;
      }
      else
      {
        labelHeight=height;
      }

      g.setColor(backColor);
      g.fillRect(1,1,width-1,height-1);

      int length=encodedString.length();//149
      int yp=(int)(labelHeight/4); //=57
      int x0=0,y0=0,x=0,y=0;
      int wid=0;
      System.out.println("length="+length);
      System.out.println("yp="+yp);

      x0=(int) marginWidth; //130
      y0=0;
      x=0;
      y=0;


      for ( int i=0;i<length ;i++ )
      {
        if (i%2==0)
            g.setColor(foreColor);
        else
            g.setColor(backColor);
        if ( Character.digit(encodedString.charAt(i),10)==1 )
            wid=(int)(wideToNarrowRatio*narrowestDim);
        else wid=(int)narrowestDim;

        g.fillRect(x+x0,(int)(labelHeight/4+2*fm.getHeight()+7+yp),wid,40);
                         //130               //130                        //1\u00BBò\u00D5\u00DF3   57

        x+=wid;
      }
 //		g.drawString(
 //			stringName+"    "+"        "+stringPosition,width/4,(int)labelHeight/2);

      g.drawString("姓名:"+"                 "+stringName,110, 100);
      g.drawString("职位:"+"                 "+stringPosition,110,130);
      g.drawString("单位:"+"                 "+stringCompany,110,160);

      if ( textInside )
      {
         int k=fm.stringWidth(filledStringToEncode);

         int h=250;
         System.out.println(h);//250

         int mlk2=(int)(marginWidth+labelLength/2-k/2);

         g.setColor(backColor);
         g.fillRect(mlk2,h-fmAscent,k,fmAscent);
                   //171,229,159,21
         g.setColor(foreColor);

         g.drawString(filledStringToEncode,mlk2+20,h-8);//171,250//\u00CA\u00B9\u00B4\u00F8\u00D0\u00C7\u00BA\u00C5\u00B5\u00C4×\u00D6·\u00FB\u00B4\u00AE\u00BF\u00C9\u00D2\u00D4\u00C9\u00CF\u00C9\u00FD

      }

      Image printImage;

      printImage = new javax.swing.ImageIcon("e:/image/sjtulogo1.gif").getImage();
      int iwidth=printImage.getWidth(this);//40

      int iheight=printImage.getHeight(this);//40

      double pwidth=width/5;//=100

      double pheight=labelHeight/3;//76.33333333333333333333333

      double scalex=pwidth/iwidth;//2.5

      double scaley=pheight/iheight;//1.90833333333
      if(scalex>scaley)
      g.drawImage(printImage, 70, 10,40,40, null);

        //g.clearRect( 1, 1,(int)(iwidth*scaley),(int)(pheight));
      else
      g.drawImage(printImage, 70, 10,40,40, null);

      ft=new Font("Courier",0, 20);
      g.setFont(ft);
      g.drawString("上海交大研究生代表大会",160,35);

  }


  private void stringValidate() throws IllegalArgumentException {

      int len=stringToEncode.length();
      System.out.println("len="+len);
      for ( int i=0;i<len ;i++ )
      {
       if (alphabet3of9.indexOf(stringToEncode.charAt(i))==-1
                         || stringToEncode.indexOf("*")!=-1)
          throw
          new IllegalArgumentException("only digits and upper case letter for 3of9");
      }

  }


  private void Encode()
  {
     filledStringToEncode=new String(stringToEncode);

      if ( style==CODE3OF9CHK )  {
      int leng=stringToEncode.length();
      int sum=0;
      for ( int i=0;i<leng ;i++ )
      {
      sum+=alphabet3of9.indexOf(stringToEncode.charAt(i));
      }
      sum=sum%43;
      filledStringToEncode+=alphabet3of9.charAt(sum);


    }

    filledStringToEncode="*"+filledStringToEncode+"*";

    encodedString="";
    int length=filledStringToEncode.length();
    for ( int i=0;i<length-1 ;i++ ) {
      encodedString += coded3of9Char[alphabet3of9.indexOf(filledStringToEncode.charAt(i))];
      encodedString += intercharacterGap;
    }
    encodedString += coded3of9Char[alphabet3of9.indexOf(filledStringToEncode.charAt(length-1))];
    repaint();

  }
}