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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

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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.
 * ====================================================================
 */

package org.apache.poi.sl.draw.geom;

import java.awt.geom.Path2D;
import java.util.Objects;

/**
 * Java class for CT_Path2DCubicBezierTo complex type.
 *
 * 
The following schema fragment specifies the expected content contained within this class.
 *
 * 
 * <complexType name="CT_Path2DCubicBezierTo">
 *   <complexContent>
 *     <restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
 *       <sequence>
 *         <element name="pt" type="{http://schemas.openxmlformats.org/drawingml/2006/main}CT_AdjPoint2D" maxOccurs="3" minOccurs="3"/>
 *       </sequence>
 *     </restriction>
 *   </complexContent>
 * </complexType>
 * 
 *
 *
 */
// @XmlAccessorType(XmlAccessType.FIELD)
// @XmlType(name = "CT_Path2DCubicBezierTo", propOrder = {"pt"})
public final class CurveToCommand implements PathCommand {

    // @XmlElement(required = true)
    private final AdjustPoint pt1 = new AdjustPoint();
    // @XmlElement(required = true)
    private final AdjustPoint pt2 = new AdjustPoint();
    // @XmlElement(required = true)
    private final AdjustPoint pt3 = new AdjustPoint();

    public void setPt1(AdjustPoint pt1) {
        if (pt1 != null) {
            this.pt1.setX(pt1.getX());
            this.pt1.setY(pt1.getY());
        }
    }

    public void setPt2(AdjustPoint pt2) {
        if (pt2 != null) {
            this.pt2.setX(pt2.getX());
            this.pt2.setY(pt2.getY());
        }
    }

    public void setPt3(AdjustPoint pt3) {
        if (pt3 != null) {
            this.pt3.setX(pt3.getX());
            this.pt3.setY(pt3.getY());
        }
    }

    @Override
    public void execute(Path2D.Double path, Context ctx){
        double x1 = ctx.getValue(pt1.getX());
        double y1 = ctx.getValue(pt1.getY());
        double x2 = ctx.getValue(pt2.getX());
        double y2 = ctx.getValue(pt2.getY());
        double x3 = ctx.getValue(pt3.getX());
        double y3 = ctx.getValue(pt3.getY());
        path.curveTo(x1, y1, x2, y2, x3, y3);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof CurveToCommand)) return false;
        CurveToCommand that = (CurveToCommand) o;
        return Objects.equals(pt1, that.pt1) &&
                Objects.equals(pt2, that.pt2) &&
                Objects.equals(pt3, that.pt3);
    }

    @Override
    public int hashCode() {
        return Objects.hash(pt1, pt2, pt3);
    }
}