Hello list,
I have two questions about the SVGGenerator.
Below is a copy of the test program from the xml.apache.org/batik web site followed by
the output of that prorgram when I run it to help illustrate my questions.
1. Is it possible to tell the SVGGenerator to not have the style of the rect be
applied at the g element that is the parent of the rect, but instead have the style be
applied on the rect itself? (I realize I could do DOM manipulations myself to do
this, but want to know if the SVG generator can do that automatically.)
instead of what's below in the output, have:
<g>
<rect x="10" y="10" width="100" height="100" style="fill:red; stroke:red;" />
</g>
(and maybe get rid of the <g> </g> tags then)
2. Is it possible to have the id attribute of the rect element set in the
SVGGraphics2D object before the SVG is generated so when the SVG is generated, the SVG
output
has an id attribute in it?
e.g.
<g>
<rect x="10" y="10" width="100" height="100" id="MyRectangleNumber1"
style="fill:red; stroke:red;" />
</g>
If that is not possible, can anyone suggest a good way to add id attributes to
elements (shapes) in a systematic ordered fashion. e.g. If I paint 50 rectangles in
my paint method, can I then attach id attributes to those 50
rectangles such that the first rectangle painted has the id attribute
"MyRectangleNumber1" and on to the 50th rectangle which will have the id attribute
"MyRectangleNumber50"?
I'll confess that I'm a novice, so I apologize in advance if I'm asking a stupid
question.
Thanks...
Ezra Jennings
import java.awt.Rectangle;
import java.awt.Graphics2D;
import java.awt.Color;
import java.io.Writer;
import java.io.OutputStreamWriter;
import java.io.IOException;
import org.apache.batik.svggen.SVGGraphics2D;
import org.apache.batik.dom.GenericDOMImplementation;
import org.w3c.dom.Document;
import org.w3c.dom.DOMImplementation;
public class TestSVGGen {
public void paint(Graphics2D g2d) {
g2d.setPaint(Color.red);
g2d.fill(new Rectangle(10, 10, 100, 100));
}
public static void main(String [] args) throws IOException {
// Get a DOMImplementation
DOMImplementation domImpl =
GenericDOMImplementation.getDOMImplementation();
// Create an instance of org.w3c.dom.Document
Document document = domImpl.createDocument(null, "svg", null);
// Create an instance of the SVG Generator
SVGGraphics2D svgGenerator = new SVGGraphics2D(document);
// Ask the test to render into the SVG Graphics2D implementation
TestSVGGen test = new TestSVGGen();
test.paint(svgGenerator);
// Finally, stream out SVG to the standard output using UTF-8
// character to byte encoding
boolean useCSS = true; // we want to use CSS style attribute
Writer out = new OutputStreamWriter(System.out, "UTF-8");
svgGenerator.stream(out, useCSS);
}
}
<?xml version="1.0"?>
<!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 20001102//EN'
'http://www.w3.org/TR/2000/CR-SVG-20001102/DTD/svg-20001102.dtd'>
<svg style="fill-opacity:1; color-interpolation:sRGB; color-rendering:auto;
text-rendering:auto; stroke:black; 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:'Arial'; font-style:normal; stroke-linejoin:miter;
font-size:12; image-rendering:auto; stroke-dashoffset:0;" width="2147483647"
height="2147483647">
<!--Generated by the Batik Graphics2D SVG Generator-->
<defs id="genericDefs" />
<g>
<g style="fill:red; stroke:red;">
<rect x="10" y="10" width="100" style="stroke:none;" height="100" />
</g>
</g>
</svg>
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