Please see Wiki:
http://wiki.apache.org/xmlgraphics-batik/BootSvgAndCssDom
On Wed Jan 07 2015 at 10:26:07 PM Craig Ugoretz <craigugore...@gmail.com>
wrote:
> HERE IS THE SVG FILE:
>
> import java.awt.Shape;
> import java.io.File;
> import java.io.IOException;
>
> import org.apache.batik.bridge.*;
> import org.apache.batik.dom.svg.SAXSVGDocumentFactory;
> import org.apache.batik.ext.awt.geom.PathLength;
> import org.apache.batik.gvt.GraphicsNode;
> import org.apache.batik.gvt.ShapeNode;
> import org.apache.batik.util.XMLResourceDescriptor;
> import org.w3c.dom.svg.*;
> import org.w3c.dom.*;
>
> public class RenderableSVG {
>
> public static void main(String[] args) {
> SVGDocument doc = null;
> String rtFileName = "C:\\Users\\Craig\\Google
> Drive\\eclipse-workspace2\\Find Length Of Shape By ID\\drawing.svg";
>
> try {
> String urlString = new
> File(rtFileName).getAbsoluteFile().toURL().toString();
>
> String parser = XMLResourceDescriptor.getXMLParserClassName();
> SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);
> doc = (SVGDocument) f.createDocument(urlString);
> } catch (IOException ex) {
> System.out.println("SVG file could not opened");
> }
>
> UserAgent userAgent=new UserAgentAdapter();
> DocumentLoader loader=new DocumentLoader(userAgent);
> BridgeContext ctx=new BridgeContext(userAgent,loader);
> System.out.println(ctx);
>
> Element el = doc.getElementById("ABC");
> System.out.println(el);
>
> GraphicsNode gn = ctx.getGraphicsNode(el);
> System.out.println(gn);
>
> Shape shape = ((ShapeNode)gn).getShape();
> PathLength pathLength = new PathLength(shape);
> System.out.println(pathLength.lengthOfPath());
> }
> }
>
> HERE IS THE SVG FILE:
>
> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
> <svg
> xmlns:dc="http://purl.org/dc/elements/1.1/";
> xmlns:cc="http://creativecommons.org/ns#";
> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
> xmlns:svg="http://www.w3.org/2000/svg";
> xmlns="http://www.w3.org/2000/svg";
> xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
> xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
> style="fill-opacity:1; color-rendering:auto; color-interpolation:auto;
> stroke:black; text-rendering:auto; stroke-linecap:square;
> stroke-miterlimit:10; stroke-opacity:1; shape-rendering:auto; fill:black;
> stroke-dasharray:none; font-weight:normal; stroke-width:1;
> font-family:'Dialog'; font-style:normal; stroke-linejoin:miter;
> font-size:12; stroke-dashoffset:0; image-rendering:auto;"
> width="200"
> height="200"
> id="svg2"
> version="1.1"
> inkscape:version="0.48.4 r9939"
> sodipodi:docname="drawing.svg">
> <metadata
> id="metadata13">
> <rdf:RDF>
> <cc:Work
> rdf:about="">
> <dc:format>image/svg+xml</dc:format>
> <dc:type
> rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
> </cc:Work>
> </rdf:RDF>
> </metadata>
> <sodipodi:namedview
> pagecolor="#ffffff"
> bordercolor="#666666"
> borderopacity="1"
> objecttolerance="10"
> gridtolerance="10"
> guidetolerance="10"
> inkscape:pageopacity="0"
> inkscape:pageshadow="2"
> inkscape:window-width="640"
> inkscape:window-height="480"
> id="namedview11"
> showgrid="false"
> inkscape:zoom="1.18"
> inkscape:cx="100"
> inkscape:cy="100"
> inkscape:window-x="0"
> inkscape:window-y="0"
> inkscape:window-maximized="0"
> inkscape:current-layer="svg2" />
> <!--Generated by the Batik Graphics2D SVG Generator-->
> <defs
> id="genericDefs" />
> <g
> id="g5">
> <g
> id="g7">
> <rect
> x="0"
> width="100"
> height="100"
> y="0"
> style="stroke:none"
> id="ABC" />
> </g>
> </g>
> </svg>
>
> HERE IS WHAT THE PROGRAM PRINTS OUT:
>
> org.apache.batik.bridge.BridgeContext@65ab90e2
> org.apache.batik.dom.svg.SVGOMRectElement@62b51993
> null
> Exception in thread "main" java.lang.NullPointerException
> at RenderableSVG.main(RenderableSVG.java:41)
>
> WHY IS THE VARIABLE gn SET TO null?
>
> SHOULDN'T gn BE SET TO THE OBJECT CORRESPONDING TO THE ELEMENT WITH ID SET
> TO "ABC"?
>
> THE LENGTH OF THE RECTANGLE PATH SHOULD BE 400.
>
