How to use

ColorManager

in

org.apache.batik.css.engine.value.svg

  public Value computeValue(CSSStylableElement elt,
               String pseudo,
               CSSEngine engine,
               int idx,
               StyleMap sm,
               Value value) {
    if (value == CssValueConstants.TRANSPARENT_VALUE) {
      return CssValueConstants.TRANSPARENT_RGB_VALUE;
    }
    return super.computeValue(elt, pseudo, engine, idx, sm, value);
  }
}

Value v = super.createValue(lu, engine);
lu = lu.getNextLexicalUnit();
if (lu == null) {

Value v = super.createValue(lu, engine);
lu = lu.getNextLexicalUnit();
if (lu == null) {

/**
 * Implements {@link
 * ValueManager#computeValue(CSSStylableElement,String,CSSEngine,int,StyleMap,Value)}.
 */
public Value computeValue(CSSStylableElement elt,
             String pseudo,
             CSSEngine engine,
             int idx,
             StyleMap sm,
             Value value) {
  if (value == SVGValueConstants.CURRENTCOLOR_VALUE) {
    sm.putColorRelative(idx, true);
    int ci = engine.getColorIndex();
    return engine.getComputedStyle(elt, pseudo, ci);
  }
  if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
    ListValue lv = (ListValue)value;
    Value v = lv.item(0);
    Value t = super.computeValue(elt, pseudo, engine, idx, sm, v);
    if (t != v) {
      ListValue result = new ListValue(' ');
      result.append(t);
      result.append(lv.item(1));
      return result;
    }
    return value;
  }
  return super.computeValue(elt, pseudo, engine, idx, sm, value);
}

Value v = super.createValue(lu, engine);
lu = lu.getNextLexicalUnit();
if (lu == null) {

/**
 * Implements {@link
 * ValueManager#computeValue(CSSStylableElement,String,CSSEngine,int,StyleMap,Value)}.
 */
public Value computeValue(CSSStylableElement elt,
             String pseudo,
             CSSEngine engine,
             int idx,
             StyleMap sm,
             Value value) {
  if (value == SVGValueConstants.CURRENTCOLOR_VALUE) {
    sm.putColorRelative(idx, true);
    int ci = engine.getColorIndex();
    return engine.getComputedStyle(elt, pseudo, ci);
  }
  if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
    ListValue lv = (ListValue)value;
    Value v = lv.item(0);
    Value t = super.computeValue(elt, pseudo, engine, idx, sm, v);
    if (t != v) {
      ListValue result = new ListValue(' ');
      result.append(t);
      result.append(lv.item(1));
      return result;
    }
    return value;
  }
  return super.computeValue(elt, pseudo, engine, idx, sm, value);
}

/**
 * Implements {@link
 * ValueManager#computeValue(CSSStylableElement,String,CSSEngine,int,StyleMap,Value)}.
 */
public Value computeValue(CSSStylableElement elt,
             String pseudo,
             CSSEngine engine,
             int idx,
             StyleMap sm,
             Value value) {
  if (value == SVGValueConstants.CURRENTCOLOR_VALUE) {
    sm.putColorRelative(idx, true);
    int ci = engine.getColorIndex();
    return engine.getComputedStyle(elt, pseudo, ci);
  }
  if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
    ListValue lv = (ListValue)value;
    Value v = lv.item(0);
    Value t = super.computeValue(elt, pseudo, engine, idx, sm, v);
    if (t != v) {
      ListValue result = new ListValue(' ');
      result.append(t);
      result.append(lv.item(1));
      return result;
    }
    return value;
  }
  return super.computeValue(elt, pseudo, engine, idx, sm, value);
}