Implement `repeatDur` property for animation elements

[stanio]

It seems setting repeatDur to <animateTransform> doesn't have an effect.

Using JSVG 2.0.0-RC, also 1.7.2.

animation-repeatDur.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120" width="120" height="120">
  <g transform="translate(60,60)">
    <g>
      <path d="M 0,0 L 50,0 A 50,50 0 0 1 0,50 Z" fill="dodgerblue"/>
      <line x1="0.5" x2="0.5" y2="50" stroke="crimson" stroke-width="1"/>
      <animateTransform attributeName="transform" type="rotate"
          from="0" to="360" dur="2s" repeatDur="4s"/>
    </g>
  </g>
</svg>

JSVGAnimationTest.java

import java.io.File;

import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.Dimension2D;
import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;

import com.github.weisj.jsvg.SVGDocument;
import com.github.weisj.jsvg.parser.SVGLoader;
import com.github.weisj.jsvg.renderer.NullPlatformSupport;
import com.github.weisj.jsvg.renderer.animation.AnimationState;
import com.github.weisj.jsvg.renderer.impl.output.Graphics2DOutput;

public class JSVGAnimationTest {

    public static void main(String[] args) throws Exception {
        String fileName = "animation-repeatDur";
        SVGDocument svg = new SVGLoader()
                .load(JSVGAnimationTest.class.getResource(fileName + ".svg"));
        if (svg == null)
            System.exit(1);

        for (float time : new float[] { 0, 1.1f, 2.1f, 3.9f }) {
            ImageIO.write(renderAtTime(svg, time), "png",
                    new File(fileName + "-" + time + "s.png"));
        }
        System.out.println("Done.");
    }

    static BufferedImage renderAtTime(SVGDocument svg, float seconds) {
        Dimension2D size = svg.size();
        BufferedImage image = new BufferedImage((int) size.getWidth(),
                                                (int) size.getHeight(),
                                                BufferedImage.TYPE_INT_ARGB);

        Graphics2D g = image.createGraphics();
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                           RenderingHints.VALUE_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
                           RenderingHints.VALUE_STROKE_PURE);
        try {
            Graphics2DOutput output = new Graphics2DOutput(g);
            int timeMillis = Math.round(seconds * 1000);
            System.out.println("snapshot[ms]: " + timeMillis);
            svg.renderWithPlatform(NullPlatformSupport.INSTANCE,
                    output, null, new AnimationState(0, timeMillis));
            output.dispose();
        } finally {
            g.dispose();
        }
        return image;
    }

}

      <animateTransform attributeName="transform" type="rotate"
          from="0" to="360" dur="2s" repeatDur="4s"/>

	Actual	Expected
0s
1.1s
2.1s
3.9s

[weisJ]

The repeatDur property isn't currently implemented.