org.apache.pdfbox.contentstream.operator.graphics.CurveToReplicateFinalPoint 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.
*/
package org.apache.pdfbox.contentstream.operator.graphics;
import java.io.IOException;
import java.util.List;
import java.awt.geom.Point2D;
import org.apache.pdfbox.contentstream.operator.MissingOperandException;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSNumber;
import org.apache.pdfbox.contentstream.operator.Operator;
/**
* y Append curved segment to path with final point replicated.
*
* @author Ben Litchfield
*/
public final class CurveToReplicateFinalPoint extends GraphicsOperatorProcessor
{
@Override
public void process(Operator operator, List operands) throws IOException
{
if (operands.size() < 4)
{
throw new MissingOperandException(operator, operands);
}
if (!checkArrayTypesClass(operands, COSNumber.class))
{
return;
}
COSNumber x1 = (COSNumber)operands.get(0);
COSNumber y1 = (COSNumber)operands.get(1);
COSNumber x3 = (COSNumber)operands.get(2);
COSNumber y3 = (COSNumber)operands.get(3);
Point2D.Float point1 = context.transformedPoint(x1.floatValue(), y1.floatValue());
Point2D.Float point3 = context.transformedPoint(x3.floatValue(), y3.floatValue());
context.curveTo(point1.x, point1.y,
point3.x, point3.y,
point3.x, point3.y);
}
@Override
public String getName()
{
return "y";
}
}