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org.apache.fontbox.cff.CharStringCommand 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.
*/
package org.apache.fontbox.cff;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* This class represents a CharStringCommand.
*
* @author Villu Ruusmann
*/
public class CharStringCommand
{
private Key commandKey = null;
/**
* Constructor with one value.
*
* @param b0 value
*/
public CharStringCommand(int b0)
{
setKey(new Key(b0));
}
/**
* Constructor with two values.
*
* @param b0 value1
* @param b1 value2
*/
public CharStringCommand(int b0, int b1)
{
setKey(new Key(b0, b1));
}
/**
* Constructor with an array as values.
*
* @param values array of values
*/
public CharStringCommand(int[] values)
{
setKey(new Key(values));
}
/**
* The key of the CharStringCommand.
* @return the key
*/
public Key getKey()
{
return commandKey;
}
private void setKey(Key key)
{
commandKey = key;
}
/**
* {@inheritDoc}
*/
@Override
public String toString()
{
String str = TYPE2_VOCABULARY.get(getKey());
if (str == null)
{
str = TYPE1_VOCABULARY.get(getKey());
}
if (str == null)
{
return getKey().toString() + '|';
}
return str + '|';
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode()
{
return getKey().hashCode();
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object object)
{
if (object instanceof CharStringCommand)
{
CharStringCommand that = (CharStringCommand) object;
return getKey().equals(that.getKey());
}
return false;
}
/**
* A static class to hold one or more int values as key.
*/
public static class Key
{
private int[] keyValues = null;
/**
* Constructor with one value.
*
* @param b0 value
*/
public Key(int b0)
{
setValue(new int[] { b0 });
}
/**
* Constructor with two values.
*
* @param b0 value1
* @param b1 value2
*/
public Key(int b0, int b1)
{
setValue(new int[] { b0, b1 });
}
/**
* Constructor with an array as values.
*
* @param values array of values
*/
public Key(int[] values)
{
setValue(values);
}
/**
* Array the with the values.
*
* @return array with the values
*/
public int[] getValue()
{
return keyValues;
}
private void setValue(int[] value)
{
keyValues = value;
}
/**
* {@inheritDoc}
*/
@Override
public String toString()
{
return Arrays.toString(getValue());
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode()
{
if (keyValues[0] == 12 && keyValues.length > 1)
{
return keyValues[0] ^ keyValues[1];
}
return keyValues[0];
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object object)
{
if (object instanceof Key)
{
Key that = (Key) object;
if (keyValues[0] == 12 && that.keyValues[0] == 12)
{
if (keyValues.length > 1 && that.keyValues.length > 1)
{
return keyValues[1] == that.keyValues[1];
}
return keyValues.length == that.keyValues.length;
}
return keyValues[0] == that.keyValues[0];
}
return false;
}
}
/**
* A map with the Type1 vocabulary.
*/
public static final Map TYPE1_VOCABULARY;
static
{
Map map = new LinkedHashMap(26);
map.put(new Key(1), "hstem");
map.put(new Key(3), "vstem");
map.put(new Key(4), "vmoveto");
map.put(new Key(5), "rlineto");
map.put(new Key(6), "hlineto");
map.put(new Key(7), "vlineto");
map.put(new Key(8), "rrcurveto");
map.put(new Key(9), "closepath");
map.put(new Key(10), "callsubr");
map.put(new Key(11), "return");
map.put(new Key(12), "escape");
map.put(new Key(12, 0), "dotsection");
map.put(new Key(12, 1), "vstem3");
map.put(new Key(12, 2), "hstem3");
map.put(new Key(12, 6), "seac");
map.put(new Key(12, 7), "sbw");
map.put(new Key(12, 12), "div");
map.put(new Key(12, 16), "callothersubr");
map.put(new Key(12, 17), "pop");
map.put(new Key(12, 33), "setcurrentpoint");
map.put(new Key(13), "hsbw");
map.put(new Key(14), "endchar");
map.put(new Key(21), "rmoveto");
map.put(new Key(22), "hmoveto");
map.put(new Key(30), "vhcurveto");
map.put(new Key(31), "hvcurveto");
TYPE1_VOCABULARY = Collections.unmodifiableMap(map);
}
/**
* A map with the Type2 vocabulary.
*/
public static final Map TYPE2_VOCABULARY;
static
{
Map map = new LinkedHashMap(48);
map.put(new Key(1), "hstem");
map.put(new Key(3), "vstem");
map.put(new Key(4), "vmoveto");
map.put(new Key(5), "rlineto");
map.put(new Key(6), "hlineto");
map.put(new Key(7), "vlineto");
map.put(new Key(8), "rrcurveto");
map.put(new Key(10), "callsubr");
map.put(new Key(11), "return");
map.put(new Key(12), "escape");
map.put(new Key(12, 3), "and");
map.put(new Key(12, 4), "or");
map.put(new Key(12, 5), "not");
map.put(new Key(12, 9), "abs");
map.put(new Key(12, 10), "add");
map.put(new Key(12, 11), "sub");
map.put(new Key(12, 12), "div");
map.put(new Key(12, 14), "neg");
map.put(new Key(12, 15), "eq");
map.put(new Key(12, 18), "drop");
map.put(new Key(12, 20), "put");
map.put(new Key(12, 21), "get");
map.put(new Key(12, 22), "ifelse");
map.put(new Key(12, 23), "random");
map.put(new Key(12, 24), "mul");
map.put(new Key(12, 26), "sqrt");
map.put(new Key(12, 27), "dup");
map.put(new Key(12, 28), "exch");
map.put(new Key(12, 29), "index");
map.put(new Key(12, 30), "roll");
map.put(new Key(12, 34), "hflex");
map.put(new Key(12, 35), "flex");
map.put(new Key(12, 36), "hflex1");
map.put(new Key(12, 37), "flex1");
map.put(new Key(14), "endchar");
map.put(new Key(18), "hstemhm");
map.put(new Key(19), "hintmask");
map.put(new Key(20), "cntrmask");
map.put(new Key(21), "rmoveto");
map.put(new Key(22), "hmoveto");
map.put(new Key(23), "vstemhm");
map.put(new Key(24), "rcurveline");
map.put(new Key(25), "rlinecurve");
map.put(new Key(26), "vvcurveto");
map.put(new Key(27), "hhcurveto");
map.put(new Key(28), "shortint");
map.put(new Key(29), "callgsubr");
map.put(new Key(30), "vhcurveto");
map.put(new Key(31), "hvcurveto");
TYPE2_VOCABULARY = Collections.unmodifiableMap(map);
}
}
