GVTTextNode AttributedCharacterIterator bug?

[Tonny Kohar]

Hi,

I found strange GVT TextNode AttributedCharacterIterator, the question
is this intentional or bug?

suppose I have svg doc like this
<text x="208.0" y="300">text</text>
iterating the aci from GVT text node give the following output
t  index: 0 runStart: 0 runLimit: 1 
e  index: 1 runStart: 1 runLimit: 4
x  index: 2 runStart: 1 runLimit: 4
t  index: 3 runStart: 1 runLimit: 4
does the first line should be runStart=1 runLimit=4?

Here I attached the sample program to reproduce this.

What I am trying to do is to get the TEXT_COMPOUND_DELIMITER, to
determine the SVG text element part (Text,TSpan,TRef,etc)

Regards
Tonny Kohar
-- 
Sketsa 
SVG Graphics Editor
http://www.kiyut.com


/*
 * BugGVTTextNodeACI.java
 *
 * Created on March 4, 2004, 11:02 AM
 */

package kiyut.bug;

import java.text.*;
import javax.swing.*;

import org.apache.batik.dom.svg.*;
import org.apache.batik.bridge.*;
import org.apache.batik.gvt.*;
import org.apache.batik.util.SVGConstants;

import org.w3c.dom.*;
import org.w3c.dom.css.*;
import org.w3c.dom.svg.*;

/**
 *
 * @author  Tonny Kohar
 */
public class BugGVTTextNodeACI {
    
    public static void main(String[] args) {
        BugGVTTextNodeACI bug = new BugGVTTextNodeACI();
        bug.runTest();
    }
    
    /** Creates a new instance of BugGVTTextNodeACI */
    public BugGVTTextNodeACI() {
    }
    
    private SVGDocument createSVGDocument() {
        String svgNS = SVGConstants.SVG_NAMESPACE_URI;
        
        DOMImplementation impl = SVGDOMImplementation.getDOMImplementation();
        SVGDocument doc = (SVGDocument)impl.createDocument(svgNS, "svg", null);
        
        // get the root element (the svg element)
        Element svgRoot = doc.getRootElement();
        
        // set the width and height attribute on the root svg element
        svgRoot.setAttributeNS(null, "width", "400");
        svgRoot.setAttributeNS(null, "height", "400");
        
        // create the text element
        SVGElement element = (SVGElement)doc.createElementNS(svgNS, "text");
        element.setId("bugACI");
        element.setAttributeNS(null, SVGConstants.SVG_X_ATTRIBUTE, Float.toString(100));
        element.setAttributeNS(null, SVGConstants.SVG_Y_ATTRIBUTE, Float.toString(100));
        element.setAttributeNS(null, SVGConstants.SVG_FONT_FAMILY_ATTRIBUTE, "Verdana");
        element.setAttributeNS(null, SVGConstants.SVG_FONT_SIZE_ATTRIBUTE, "24");
        element.setAttributeNS(null, SVGConstants.SVG_FILL_ATTRIBUTE, "blue");
        
        Text text = doc.createTextNode("text");
        element.appendChild(text);
        
        svgRoot.appendChild(element);
        
        return doc;
    }
    
    private void runTest() {
        SVGDocument doc = createSVGDocument();
        
        // load gvt
        UserAgentAdapter userAgent = new UserAgentAdapter();
        DocumentLoader documentLoader = new DocumentLoader(userAgent);
        BridgeContext bridgeContext = new BridgeContext(userAgent, documentLoader);
        bridgeContext.setDynamic(true);
        GVTBuilder gvtBuilder = new DynamicGVTBuilder();
        GraphicsNode root = gvtBuilder.build(bridgeContext, doc);
        
        Element elt = doc.getElementById("bugACI");
        System.out.println(elt);
        TextNode textNode = (TextNode)bridgeContext.getGraphicsNode(elt);
        AttributedCharacterIterator aci = textNode.getAttributedCharacterIterator();
        
        int runStart;
        int runLimit;
        char c;
        for (int i=0; i<aci.getEndIndex(); i++) {
            c = aci.setIndex(i);
            runStart = aci.getRunStart();
            runLimit = aci.getRunLimit();
            System.out.println(c + "  index: " + i + " runStart: " + runStart + " runLimit: " + runLimit);
        }
    }
    
}


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