# PDAnnotationTextMarkup.java

    /*
     * 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.pdmodel.interactive.annotation;

    import org.apache.pdfbox.cos.COSDictionary;
    import org.apache.pdfbox.cos.COSArray;
    import org.apache.pdfbox.cos.COSName;

    /**
     * This is the abstract class that represents a text markup annotation introduced in the PDF 1.3
     * specification, except Squiggly lines in 1.4.
     *
     * @author Paul King
     */
    public class PDAnnotationTextMarkup extends PDAnnotationMarkup
    {
        /**
         * Creates a TextMarkup annotation of the specified sub type.
         *
         * @param subType the subtype the annotation represents
         */
        protected PDAnnotationTextMarkup(String subType)
        {
            setSubtype(subType);

            // Quad points are required, set an empty array
            setQuadPoints(new float[0]);
        }

        /**
         * Creates a TextMarkup annotation from a COSDictionary, expected to be a correct object definition.
         *
         * @param field the PDF object to represent as a field.
         */
        protected PDAnnotationTextMarkup(COSDictionary field)
        {
            super(field);
        }

        /**
         * This will set the set of quadpoints which encompass the areas of this annotation.
         *
         * @param quadPoints an array representing the set of area covered
         */
        public final void setQuadPoints(float[] quadPoints)
        {
            COSArray newQuadPoints = new COSArray();
            newQuadPoints.setFloatArray(quadPoints);
            getCOSObject().setItem(COSName.QUADPOINTS, newQuadPoints);
        }

        /**
         * This will retrieve the set of quadpoints which encompass the areas of this annotation.
         *
         * @return An array of floats representing the quad points.
         */
        public float[] getQuadPoints()
        {
            COSArray array = getCOSObject().getCOSArray(COSName.QUADPOINTS);
            return array != null ? array.toFloatArray() : null;
        }
    }