fop/src/java/org/apache/fop/fo/expr/SystemColorFunction.java

/*
 * Copyright 2006 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* $Id$ */
 
package org.apache.fop.fo.expr;

import org.apache.fop.fo.properties.ColorTypeProperty;
import org.apache.fop.fo.properties.Property;

/**
 * Implements the system-color() function.
 */
class SystemColorFunction extends FunctionBase {
    
    /** @see org.apache.fop.fo.expr.Function#nbArgs() */
    public int nbArgs() {
        return 1;
    }

    /** @see org.apache.fop.fo.expr.Function */
    public Property eval(Property[] args,
                         PropertyInfo pInfo) throws PropertyException {
        return new ColorTypeProperty("system-color(" + args[0] + ")");

    }

}