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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.rendering;

import java.awt.image.BufferedImage;

/**
 * Image type for rendering.
 */
public enum ImageType
{
    /** Black or white. */
    BINARY
    {
        @Override
        int toBufferedImageType()
        {
            return BufferedImage.TYPE_BYTE_BINARY;
        }
    },

    /** Shades of gray */
    GRAY
    {
        @Override
        int toBufferedImageType()
        {
            return BufferedImage.TYPE_BYTE_GRAY;
        }
    },

    /** Red, Green, Blue */
    RGB
    {
        @Override
        int toBufferedImageType()
        {
            return BufferedImage.TYPE_INT_RGB;
        }
    },

    /** Alpha, Red, Green, Blue */
    ARGB
    {
        @Override
        int toBufferedImageType()
        {
            return BufferedImage.TYPE_INT_ARGB;
        }
    };

    abstract int toBufferedImageType();
}