java 将 svg 转换为图片格式

最新推荐文章于 2025-05-15 18:50:52 发布

zhangjingzh0u

最新推荐文章于 2025-05-15 18:50:52 发布

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package test.Highcharts;
import java.io.ByteArrayInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringReader;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.apache.batik.transcoder.SVGAbstractTranscoder;
import org.apache.batik.transcoder.TranscoderException;
import org.apache.batik.transcoder.TranscoderInput;
import org.apache.batik.transcoder.TranscoderOutput;
import org.apache.batik.transcoder.image.JPEGTranscoder;
import org.apache.batik.transcoder.image.PNGTranscoder;

public class HighchartsExport {

//其中所需jar包，详见链接

   public static void main(String[] args) throws Exception {
       String svg = "<svg height=\"200\" width=\"300\" xmlns=\"http://www.w3.org/2000/svg\"><polygon points=\"100,100 750,1500 1500,600\" style=\"fill:#63BCF7;stroke:black;stroke-width:3\"/></svg>";
       String type="image/png";
       String filename="aaaaaaa";
       svg = getSVGToDoc(svg);
       if (null != type && null != svg) {
           svg = svg.replaceAll(":rect", "rect");
           String ext = "";
//       Transcoder t = null;
       SVGAbstractTranscoder t =null;
       if (type.equals("image/png")) {
               ext = "png";
               t = new PNGTranscoder();
       }
       else if (type.equals("image/jpeg")) {
               ext = "jpg";
               t = new JPEGTranscoder();
       }
       if (null != t) {
           OutputStream out = new FileOutputStream("D:\\"+filename+"."+ext);
           TranscoderInput input = new TranscoderInput(new StringReader(svg));
               TranscoderOutput output = new TranscoderOutput(out);
               try{
               t.transcode(input, output);
               System.out.println("out");
               }
               catch (TranscoderException e) {
               e.printStackTrace();
               }
       }
       }
   }
}