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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.datatypes.PercentBase;
- import org.apache.fop.datatypes.PercentBaseContext;
- import org.apache.fop.fo.properties.ColorProperty;
- import org.apache.fop.fo.properties.Property;
-
- /**
- * Implements the rgb() function.
- */
- class RGBColorFunction extends FunctionBase {
-
- /** {@inheritDoc} */
- public int getRequiredArgsCount() {
- return 3;
- }
-
- @Override
- /** {@inheritDoc} */
- public PercentBase getPercentBase() {
- return new RGBPercentBase();
- }
-
- /** {@inheritDoc} */
- public Property eval(Property[] args, PropertyInfo pInfo) throws PropertyException {
- return ColorProperty.getInstance(pInfo.getUserAgent(),
- "rgb(" + args[0] + ","
- + args[1] + "," + args[2] + ")");
-
- }
-
- private static class RGBPercentBase implements PercentBase {
- public int getDimension() {
- return 0;
- }
-
- public double getBaseValue() {
- return 255f;
- }
-
- public int getBaseLength(PercentBaseContext context) {
- return 0;
- }
-
- }
- }
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