Java version logo business card Two-dimensional code generation tool class

 package com.zzq;import java.awt.BasicStroke;import java.awt.Color;import  Java.awt.font;import java.awt.graphics;import java.awt.graphics2d;import java.awt.image;import  java.awt.Shape;import java.awt.font.FontRenderContext;import java.awt.geom.AffineTransform; import java.awt.geom.rectangle2d;import java.awt.geom.roundrectangle2d;import  java.awt.image.bufferedimage;import java.io.file;import java.io.outputstream;import  java.util.hashtable;import java.util.random;import javax.imageio.imageio;import  com.google.zxing.barcodeformat;import com.google.zxing.binarybitmap;import  com.google.zxing.decodehinttype;import com.google.zxing.encodehinttype;import  com.google.zxing.multiformatreader;import com.google.zxing.multiformatwriter;import  com.google.zxing.result;import com.google.zxing.client.j2se.bufferedimageluminancesource;import  com.google.zxing.common.bitmatrix;import com.google.zxing.common.hybridbinarizer;import  com.google.zxing.qrcode.decoder.errorcorrectionlevel;/** *  QR Code tool  *  Add your own  google  zxing Bag  *  */public class qrcodeutil { private static final  String CHARSET =  "Utf-8";  private static final string  format_name =  "JPG"; //  two-dimensional code size  private static final int qrcode_ Size = 300; // logo width  private static final int WIDTH =  60; // logo Height  private static final int height = 60; private  static bufferedimage createimage (string content, string imgpath,    boolean needcompress)  throws exception {  hashtable<encodehinttype,  object> hints = new hashtable<encodeHinttype, object> ();   hints.put (encodehinttype.error_correction, errorcorrectionlevel.h );   hints.put (Encodehinttype.character_set, charset);  // hints.put ( encodehinttype.margin, 1);   bitmatrix bitmatrix = new multiformatwriter (). Encode (content,    barcodeformat.qr_code, qrcode_size, qrcode_size, hints);   int width = bitmatrix.getwidth ();  int height =  Bitmatrix.getheight ();   bufferedimage image = new bufferedimage (width,  HEIGHT,&NBSP;&NBSP;&NBSP;&NBSP;BUFFEREDIMAGE.TYPE_INT_RGB);  for  (int x = 0;  x < width; x++)  {   for  (int y = 0; y  < height; y++)  {    image.setrgb (X, y, bitMatrix.get (x,  y) &NBSP;?&NBSP;0XFF000000&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;:&NBSP;0XFFFFFFFF);   }  }  if  (imgPath ==  null | |   ". Equals (Imgpath)  {   return image;  }  //  Insert Picture   qrcodeutil.insertimage (image, imgpath, needcompress);  return image;  } /**  *  inserting logo  *   *  @param  source  *              qr code images   *  @param   Imgpath  *            logo Photo Address    *  @param  needCompress  *              whether compression   *  @throws  exception  */ private static void  insertimage (bufferedimage source, string imgpath,   boolean  needcompress)  throws&nbsP Exception {  file file = new file (Imgpath);  if  (! File.exists ())  {   system.err.println ("+imgpath+"     the file does not exist!) ");    return;  }  image src = imageio.read (New File ( Imgpath));   int width = src.getwidth (null);  int height =  Src.getheight (NULL);  if  (needcompress)  { //  compression logo   if  ( Width > width)  {    width = WIDTH;   }    if  (height > height)  {    height = HEIGHT;    }   image image = src.getscaledinstance (Width, height,      image.scale_smooth);    bufferedimage tag = new  bufferedimage (WIDTH,&NBSP;HEIGHT,&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;BUFFEREDIMAGE.TYPE_INT_RGB);    graphics g = tag.getgraphics ();    g.drawimage (image, 0, 0, null); //  drawing a reduced figure        g.dispose ();   src = image;  }  //  insert logo   graphics2d graph = source.creategraphics ();  int x =  (QRCODE_ Size - width)  / 2;  int y =  (qrcode_size - height)  / 2;  graph.drawimage (src, x, y, width, height, null);   shape shape = new roundrectangle2d.float (X, y, width, width, 6, &NBSP;6);   graph.setstroke (New basicstroke (3f));   graph.draw (Shape);   Graph.dispose (); }  /**  *  generate text images    *  @param  str   *  @param  font  *  @param  outFile  *  @throws  Exception  *  @author  the _monster March 12, 2015   *  @version  1.0  */ public static void  Createimageforname (String str,font font,file outfile)  throws exception{ // Gets the font's style applied to the entire rectangle on the str    rectangle2d r=font.getstringbounds (str, new  FontRenderContext (Affinetransform.getscaleinstance (1, 1), false,false));   int  unitheight= (int) Math.floor (r.getheight ());//Gets the height of a single character  //gets the entire str with the width of the font style here with rounded after +1 to ensure that the width is absolutely able to hold this string as the width of the picture    int width= (int) Math.Round (R.getwidth ()) +1;   int height=unitheight+ 3;//the height of a single character +3 to ensure that the height can hold the string as the height of the picture  //create a picture    bufferedimage image=new bufferedimage (WIDTH,HEIGHT,BUFFEREDIMAGE.TYPE_INT_BGR);    graphics g=image.getgraphics ();    g.setcolor (color.white);  &nBsp; g.fillrect (0, 0, width, height);//First fill the entire picture with white, which is the background    g.setcolor ( Color.Black);//Change to Black    g.setfont (font);//Set Brush font    g.drawstring (str, 0,  font.getsize ());//Draw the string    g.dispose ();    imageio.write (image,  "PNG",  outfile);//output PNG image  }     /**  *  generate two-dimensional code (embedded logo)   *    *  @param  content  *              content   *  @param  imgPath  *             logo address   *  @param  destPath  *              Storage directory   *  @param   needcompress  *             whether to compress logo   *  @throws &NBSP;EXCEPTION&NBSP;&NBsp;*/ public static void encode (string content, string imgpath,  string destpath,   boolean needcompress)  throws Exception {   bufferedimage image = qrcodeutil.createimage (content, imgpath,     needcompress);   mkdirs (DestPath);   string file = new random (). Nextint (99999999) + ". jpg";   imageio.write (Image, format_name, new file (destPath+ "/" + File); } /**  *  When a folder does not exist, Mkdirs automatically creates a multi-tier directory, which differs from mkdir. (MkDir throws an exception if the parent directory does not exist)   *  @author  lanyuan  * Email: [email  protected]  *  @date  2013-12-11  Morning 10:16:36  *  @param  destpath   Storage Directory   */ public static void mkdirs (String destpath)  {   file file =new file (destpath);       //when a folder does not exist, Mkdirs automatically creates a multi-tiered directory, which differs from mkdir. (MkDir throws an exception if the parent directory does not exist)   if  (!file.exists ()  && !file.isdirectory ())  {    file.mkdirs ();  } } /**  *  generate two-dimensional code (embedded logo)   *    *  @param  content  *              content   *  @param  imgPath  *             logo address   *  @param  destPath  *              Storage address   *  @throws   Exception  */ public static void encode (string content, string  Imgpath, string destpath)    throws exception {  qrcodeutil.encode (content, imgpath, destpath, false); } /**  *  generate QR code &NBSP;&NBSP;*&NBsp;  *  @param  content  *              content   *  @param  destPath  *              Storage address   *  @param  needCompress  *              whether to compress logo  *  @throws  exception   */ public static void encode (String content, string destpath,    boolean needcompress)  throws exception {  qrcodeutil.encode ( content, null, destpath, needcompress); } /**  *  generate QR code   *    *  @param  content  *              content   *  @param  destPath  *              Storage address   *  @throws  Exception  */ public static void  Encode (String content, string destpath)  throws Exception {   Qrcodeutil.encode (Content, null, destpath, false); } /**  *  generates two-dimensional code ( Embedded logo)   *   *  @param  content  *              content   *  @param  imgPath  *             logo address   *  @param  output   *             output Stream   *  @param  needCompress  *             Whether to compress logo  *  @throws  exception  */ public static void encode ( String content, string imgpath,   outputstream output, boolean needcompress)  throws Exception  {  bufferedimage image = qrcodeutil.createimage (content, imgPath,     needcompress);   imageio.write (image, format_name, output);  } / **  *  generating QR codes   *   *  @param  content  *              content   *  @param  output   *             output Stream   *  @throws  exception  */ public static void encode (String content,  Outputstream output)    throws exception {  qrcodeutil.encode (content,  null, output, false); } /**  *  parsing two-dimensional code   *   *   @param  file  *             qr code images   *  @return    *  @throws  exception  */ public static string decode (File  File)  throws Exception {  BufferedImage image;  image =  Imageio.read (file);  if  (image == null)  {   return null;   }  BufferedImageLuminanceSource source = new  Bufferedimageluminancesource (    image);  binarybitmap bitmap =  New binarybitmap (New hybridbinarizer (source));   result result;  hashtable <decodehinttype, object> hints = new hashtable<decodehinttype, object > (  hints.put);   result = new (Decodehinttype.character_set, charset);  multiformatreader (). Decode (Bitmap, hints);   string resultstr = result.gettext ();   return resultstr; }  /**  *  parsing QR code   *   *  @param  path  *              QR code image address   *  @return    *  @throws  exception  */ public static string decode (String  Path)  throws exception {  return qrcodeutil.decode (New File (path));  }  /**  * Test  *  @param  args  *  @throws  exception   *  @author  the_monster March 17, 2015   *  @version  1.0  */  Public static void main (String[] args)  throws exception {  string  text =  "Zhangzhiqin";   //the content here is the format of the business card's QR code    must be in this format   String  content =  "Mecard:n: Laureatetel:00000000000;tel:13304012214; email:[email protected]; url:http://zzqnobody.blog.51cto.com; ADR: Shanghai; ";   //first create the text picture   createimageforname (Text,new font ("Arial", font.bold,18), New file ("c:/ A.jpg ")   encode (content, " e:/a.jpg ", " C:/barcode ",  true);   SYSTEM.OUT.PRINTLN ("---success");  }}

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Java version logo business card Two-dimensional code generation tool class