org.apache.fop.afp.ptoca.LineDataInfoProducer Maven / Gradle / Ivy
/*
* 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: LineDataInfoProducer.java 985571 2010-08-14 19:28:26Z jeremias $ */
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;
}
}