org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceCharacteristicsDictionary Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of pdfbox Show documentation
The Apache PDFBox library is an open source Java tool for working with PDF documents.
There is a newer version: 3.0.2
/*
 * 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.COSArray;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.common.COSObjectable;
import org.apache.pdfbox.pdmodel.graphics.color.PDColor;
import org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace;
import org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK;
import org.apache.pdfbox.pdmodel.graphics.color.PDDeviceGray;
import org.apache.pdfbox.pdmodel.graphics.color.PDDeviceRGB;
import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;

/**
 * This class represents an appearance characteristics dictionary.
 *
 */
public class PDAppearanceCharacteristicsDictionary implements COSObjectable
{

    private final COSDictionary dictionary;

    /**
     * Constructor.
     * 
     * @param dict dictionary
     */
    public PDAppearanceCharacteristicsDictionary(COSDictionary dict)
    {
        this.dictionary = dict;
    }

    /**
     * returns the dictionary.
     * 
     * @return the dictionary
     */
    @Override
    public COSDictionary getCOSObject()
    {
        return this.dictionary;
    }

    /**
     * This will retrieve the rotation of the annotation widget. It must be a multiple of 90. Default is 0
     * 
     * @return the rotation
     */
    public int getRotation()
    {
        return this.getCOSObject().getInt(COSName.R, 0);
    }

    /**
     * This will set the rotation.
     * 
     * @param rotation the rotation as a multiple of 90
     */
    public void setRotation(int rotation)
    {
        this.getCOSObject().setInt(COSName.R, rotation);
    }

    /**
     * This will retrieve the border color.
     * 
     * @return the border color.
     */
    public PDColor getBorderColour()
    {
        return getColor(COSName.BC);
    }

    /**
     * This will set the border color.
     * 
     * @param c the border color
     */
    public void setBorderColour(PDColor c)
    {
        this.getCOSObject().setItem(COSName.BC, c.toCOSArray());
    }

    /**
     * This will retrieve the background color.
     * 
     * @return the background color.
     */
    public PDColor getBackground()
    {
        return getColor(COSName.BG);
    }

    /**
     * This will set the background color.
     * 
     * @param c the background color
     */
    public void setBackground(PDColor c)
    {
        this.getCOSObject().setItem(COSName.BG, c.toCOSArray());
    }

    /**
     * This will retrieve the normal caption.
     * 
     * @return the normal caption.
     */
    public String getNormalCaption()
    {
        return this.getCOSObject().getString("CA");
    }

    /**
     * This will set the normal caption.
     * 
     * @param caption the normal caption
     */
    public void setNormalCaption(String caption)
    {
        this.getCOSObject().setString("CA", caption);
    }

    /**
     * This will retrieve the rollover caption.
     * 
     * @return the rollover caption.
     */
    public String getRolloverCaption()
    {
        return this.getCOSObject().getString("RC");
    }

    /**
     * This will set the rollover caption.
     * 
     * @param caption the rollover caption
     */
    public void setRolloverCaption(String caption)
    {
        this.getCOSObject().setString("RC", caption);
    }

    /**
     * This will retrieve the alternate caption.
     * 
     * @return the alternate caption.
     */
    public String getAlternateCaption()
    {
        return this.getCOSObject().getString("AC");
    }

    /**
     * This will set the alternate caption.
     * 
     * @param caption the alternate caption
     */
    public void setAlternateCaption(String caption)
    {
        this.getCOSObject().setString("AC", caption);
    }

    /**
     * This will retrieve the normal icon.
     * 
     * @return the normal icon.
     */
    public PDFormXObject getNormalIcon()
    {
        COSBase i = this.getCOSObject().getDictionaryObject("I");
        if (i instanceof COSStream)
        {
            return new PDFormXObject((COSStream)i);
        }
        return null;
    }

    /**
     * This will retrieve the rollover icon.
     * 
     * @return the rollover icon
     */
    public PDFormXObject getRolloverIcon()
    {
        COSBase i = this.getCOSObject().getDictionaryObject("RI");
        if (i instanceof COSStream)
        {
            return new PDFormXObject((COSStream)i);
        }
        return null;
    }

    /**
     * This will retrieve the alternate icon.
     * 
     * @return the alternate icon.
     */
    public PDFormXObject getAlternateIcon()
    {
        COSBase i = this.getCOSObject().getDictionaryObject("IX");
        if (i instanceof COSStream)
        {
            return new PDFormXObject((COSStream)i);
        }
        return null;
    }

    private PDColor getColor(COSName itemName)
    {
        COSBase c = this.getCOSObject().getItem(itemName);
        if (c instanceof COSArray)
        {
            PDColorSpace colorSpace = null;
            switch (((COSArray) c).size())
            {
            case 1:
                colorSpace = PDDeviceGray.INSTANCE;
                break;
            case 3:
                colorSpace = PDDeviceRGB.INSTANCE;
                break;
            case 4:
                colorSpace = PDDeviceCMYK.INSTANCE;
                break;
            default:
                break;
            }
            return new PDColor((COSArray) c, colorSpace);
        }
        return null;
    }

}