[英]Unable to convert a SVG image to PNG using batik rasterizer
我正在嘗試使用蠟染光柵化器(batik-transcoder 1.8)庫將圖像從SVG轉換為PNG,但是即使是簡單的轉換也會引發異常。 這是一個無效的示例代碼:
private static void convertSVGToImage() throws TranscoderException, IOException {
String svg_URI_input = Paths.get("caution.svg").toUri().toURL().toString();
TranscoderInput input_svg_image = new TranscoderInput(svg_URI_input);
OutputStream png_ostream = new FileOutputStream("caution.png");
TranscoderOutput output_png_image = new TranscoderOutput(png_ostream);
PNGTranscoder my_converter = new PNGTranscoder();
my_converter.transcode(input_svg_image, output_png_image);
png_ostream.flush();
png_ostream.close();
}
該文件所在的地方為warning.svg: http : //dev.w3.org/SVG/tools/svgweb/samples/svg-files/caution.svg
而堆棧跟蹤是:
org.xml.sax.SAXNotRecognizedException: unrecognized feature http://xml.org/sax/features/external-general-entities
at org.gjt.xpp.sax2.Driver.setFeature(Driver.java:178)
at org.gjt.xpp.jaxp11.SAXParserImpl.setFeatures(SAXParserImpl.java:149)
at org.gjt.xpp.jaxp11.SAXParserImpl.<init>(SAXParserImpl.java:132)
at org.gjt.xpp.jaxp11.SAXParserFactoryImpl.newSAXParserImpl(SAXParserFactoryImpl.java:114)
at org.gjt.xpp.jaxp11.SAXParserFactoryImpl.setFeature(SAXParserFactoryImpl.java:142)
at org.apache.batik.dom.util.SAXDocumentFactory.<clinit>(Unknown Source)
at org.apache.batik.transcoder.SVGAbstractTranscoder.createDocumentFactory(Unknown Source)
at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(Unknown Source)
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(Unknown Source)
at br.com.supera.Main.convertSVGToImage(Main.java:45)
at br.com.supera.Main.main(Main.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Exception in thread "main" org.apache.batik.transcoder.TranscoderException: null
Enclosed Exception:
not supported setting property http://xml.org/sax/properties/lexical-handler
at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(Unknown Source)
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(Unknown Source)
at br.com.supera.Main.convertSVGToImage(Main.java:45)
at br.com.supera.Main.main(Main.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
任何幫助表示贊賞。
我只是通過使用蠟染布1.7.1解決了它。
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