# RenderingIntent.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.graphics.state;

    /**
     * Rendering intent.
     *
     * @author John Hewson
     */
    public enum RenderingIntent
    {
        /**
         * Absolute Colorimetric.
         */
        ABSOLUTE_COLORIMETRIC("AbsoluteColorimetric"),

        /**
         * Relative Colorimetric.
         */
        RELATIVE_COLORIMETRIC("RelativeColorimetric"),

        /**
         * Saturation.
         */
        SATURATION("Saturation"),

        /**
         * Perceptual.
         */
        PERCEPTUAL("Perceptual");

        public static RenderingIntent fromString(String value)
        {
            for (RenderingIntent instance : RenderingIntent.values())
            {
                if (instance.value.equals(value))
                {
                    return instance;
                }
            }
            // "If a conforming reader does not recognize the specified name,
            // it shall use the RelativeColorimetric intent by default."
            return RELATIVE_COLORIMETRIC;
        }

        private final String value;

        RenderingIntent(String value)
        {
            this.value = value;
        }

        /**
         * Returns the string value, as used in a PDF file.
         */
        public String stringValue()
        {
            return value;
        }
    }