org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationTextMarkup Maven / Gradle / Ivy
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The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* 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 PDF 1.3 specification, except
* Squiggly lines in 1.4.
*
* @author Paul King
*/
public class PDAnnotationTextMarkup extends PDAnnotationMarkup
{
/**
* The types of annotation.
*/
public static final String SUB_TYPE_HIGHLIGHT = "Highlight";
/**
* The types of annotation.
*/
public static final String SUB_TYPE_UNDERLINE = "Underline";
/**
* The types of annotation.
*/
public static final String SUB_TYPE_SQUIGGLY = "Squiggly";
/**
* The types of annotation.
*/
public static final String SUB_TYPE_STRIKEOUT = "StrikeOut";
private PDAnnotationTextMarkup()
{
// Must be constructed with a subType or dictionary parameter
}
/**
* Creates a TextMarkup annotation of the specified sub type.
*
* @param subType the subtype the annotation represents
*/
public PDAnnotationTextMarkup(String subType)
{
super();
setSubtype(subType);
// Quad points are required, set and empty array
setQuadPoints(new float[0]);
}
/**
* Creates a TextMarkup annotation from a COSDictionary, expected to be a correct object definition.
*
* @param field the PDF objet to represent as a field.
*/
public 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 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 quadPoints = (COSArray) getCOSObject().getDictionaryObject(COSName.QUADPOINTS);
if (quadPoints != null)
{
return quadPoints.toFloatArray();
}
else
{
return null; // Should never happen as this is a required item
}
}
/**
* This will set the sub type (and hence appearance, AP taking precedence) For this annotation. See the SUB_TYPE_XXX
* constants for valid values.
*
* @param subType The subtype of the annotation
*/
public void setSubtype(String subType)
{
getCOSObject().setName(COSName.SUBTYPE, subType);
}
/**
* This will retrieve the sub type (and hence appearance, AP taking precedence) For this annotation.
*
* @return The subtype of this annotation, see the SUB_TYPE_XXX constants.
*/
public String getSubtype()
{
return getCOSObject().getNameAsString(COSName.SUBTYPE);
}
}