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Java > Open Source Codes > org > apache > fop > fonts > Typeface


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 /* $Id: Typeface.java 426576 2006-07-28 15:44:37Z jeremias $ */
19  
20 package org.apache.fop.fonts;
21
22 // FOP
23
24
25 /**
26  * Base class for PDF font classes
27  */
28 public abstract class Typeface implements FontMetrics {
29
30     /**
31      * Get the encoding of the font.
32      * @return the encoding
33      */
34     public abstract String JavaDoc getEncoding();
35
36     /**
37      * Map a Unicode character to a code point in the font.
38      * @param c character to map
39      * @return the mapped character
40      */
41     public abstract char mapChar(char c);
42
43     /**
44      * Determines whether this font contains a particular character/glyph.
45      * @param c character to check
46      * @return True if the character is supported, Falso otherwise
47      */
48     public abstract boolean hasChar(char c);
49     
50     /**
51      * Determines whether the font is a multibyte font.
52      * @return True if it is multibyte
53      */
54     public boolean isMultiByte() {
55         return false;
56     }
57
58     /** @see org.apache.fop.fonts.FontMetrics#getMaxAscent(int) */
59     public int getMaxAscent(int size) {
60         return getAscender(size);
61     }
62     
63 }
64
65
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