Barcode条形码的生成

本文转自：http://rayln.iteye.com/blog/1223002#bc2272951

 

package snippet;



/*

 * Copyright 2004 Jeremias Maerki.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



import java.awt.image.BufferedImage;

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStream;



import org.krysalis.barcode4j.impl.code39.Code39Bean;

import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;

import org.krysalis.barcode4j.tools.UnitConv;



/**

 * This example demonstrates creating a bitmap barcode using the bean API.

 * 

 * @author Jeremias Maerki

 * @version $Id: SampleBitmapBarcodeWithBean.java,v 1.2 2006/11/07 16:45:28 jmaerki Exp $

 */

public class SampleBitmapBarcodeWithBean {



    public static void main(String[] args) {

        try {

            //Create the barcode bean

            Code39Bean bean = new Code39Bean();

            

            final int dpi = 150;

            

            //Configure the barcode generator

            bean.setModuleWidth(UnitConv.in2mm(1.0f / dpi)); //makes the narrow bar 

                                                             //width exactly one pixel

            bean.setWideFactor(3);

            bean.doQuietZone(false);

            

            //Open output file

            File outputFile = new File("out.jpg");

            OutputStream out = new FileOutputStream(outputFile);

            try {

                //Set up the canvas provider for monochrome JPEG output 

                BitmapCanvasProvider canvas = new BitmapCanvasProvider(

                        out, "image/jpeg", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);

            

                //Generate the barcode

                bean.generateBarcode(canvas, "1234567890");

            

                //Signal end of generation

                canvas.finish();

            } finally {

                out.close();

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

}

• barcode4j-2.0.jar (250.5 KB)
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