Java wmf 转为png

wmf转png主要实现流程是：先转为svg，再由svg转为png

        缺点：注意部分公式图片会样式丢失

        优点：图片清晰，便于修改

直接上代码！！！

 

   <!-- wmf转svg转png -->
            <dependency>
                <groupId>net.arnx</groupId>
                <artifactId>wmf2svg</artifactId>
                <version>0.9.5</version>
            </dependency>

            <!--    svg转png-->
            <dependency>
                <groupId>org.apache.xmlgraphics</groupId>
                <artifactId>batik-codec</artifactId>
                <version>1.7</version>
            </dependency>

package cn.hls.winner.winner_problem_manage.utils;

import net.arnx.wmf2svg.gdi.svg.SvgGdi;
import net.arnx.wmf2svg.gdi.wmf.WmfParser;
import org.apache.batik.transcoder.TranscoderException;
import org.apache.batik.transcoder.TranscoderInput;
import org.apache.batik.transcoder.TranscoderOutput;
import org.apache.batik.transcoder.image.PNGTranscoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
im