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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.afp.ptoca;
-
- import java.io.IOException;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- import org.apache.fop.afp.AFPLineDataInfo;
-
- /**
- * {@link PtocaProducer} implementation that interprets {@link AFPLineDataInfo} objects.
- */
- public class LineDataInfoProducer implements PtocaProducer, PtocaConstants {
-
- /** Static logging instance */
- private static final Log LOG = LogFactory.getLog(LineDataInfoProducer.class);
-
- private AFPLineDataInfo lineDataInfo;
-
- /**
- * Main constructor.
- * @param lineDataInfo the info object
- */
- public LineDataInfoProducer(AFPLineDataInfo lineDataInfo) {
- this.lineDataInfo = lineDataInfo;
- }
-
- /** {@inheritDoc} */
- public void produce(PtocaBuilder builder) throws IOException {
- builder.setTextOrientation(lineDataInfo.getRotation());
- int x1 = ensurePositive(lineDataInfo.getX1());
- int y1 = ensurePositive(lineDataInfo.getY1());
- builder.absoluteMoveBaseline(y1);
- builder.absoluteMoveInline(x1);
- builder.setExtendedTextColor(lineDataInfo.getColor());
-
- int x2 = ensurePositive(lineDataInfo.getX2());
- int y2 = ensurePositive(lineDataInfo.getY2());
- int thickness = lineDataInfo.getThickness();
- if (y1 == y2) {
- builder.drawIaxisRule(x2 - x1, thickness);
- } else if (x1 == x2) {
- builder.drawBaxisRule(y2 - y1, thickness);
- } else {
- LOG.error("Invalid axis rule: unable to draw line");
- return;
- }
- }
-
- private static int ensurePositive(int value) {
- if (value < 0) {
- return 0;
- }
- return value;
- }
-
- }
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