org.apache.xmlgraphics.image.writer.ResolutionUnit Maven / Gradle / Ivy
/*
* 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.
*/
/* $Id: ResolutionUnit.java 1732019 2016-02-24 05:01:10Z gadams $ */
package org.apache.xmlgraphics.image.writer;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
/**
* Enumeration for resolution units used by images; 1 for None, 2 for Inch and 3 for Centimeter.
*/
public enum ResolutionUnit {
/** no resolution unit */
NONE(1, "None"),
/** units per inch */
INCH(2, "Inch"),
/** units per centimeter */
CENTIMETER(3, "Centimeter");
//Reverse Lookup Table
private static final Map LOOKUP
= new HashMap();
static {
for (ResolutionUnit unit : EnumSet.allOf(ResolutionUnit.class)) {
LOOKUP.put(unit.getValue(), unit);
}
}
private final int value;
private final String description;
private ResolutionUnit(int value, String description) {
this.value = value;
this.description = description;
}
/**
* Retrieves the numeric value of the resolution unit.
*
* @return 1, 2 or 3.
*/
public int getValue() {
return value;
}
/**
* Retrieves the standard textual description of the resolution unit.
*
* @return None, Inch or Centimeter.
*/
public String getDescription() {
return description;
}
/**
* Reverse lookup by value.
*
* @param value the numeric value of the resolution unit
* @return the resolution unit
*/
public static ResolutionUnit get(int value) {
return LOOKUP.get(value);
}
}