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Java > Open Source Codes > org > apache > fop > pdf > PDFFontNonBase14


1 /*
2  * $Id: PDFFontNonBase14.java,v 1.2.2.1 2003/02/25 14:29:37 jeremias Exp $
3  * ============================================================================
4  * The Apache Software License, Version 1.1
5  * ============================================================================
6  *
7  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without modifica-
10  * tion, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if any, must
20  * include the following acknowledgment: "This product includes software
21  * developed by the Apache Software Foundation (http://www.apache.org/)."
22  * Alternately, this acknowledgment may appear in the software itself, if
23  * and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. The names "FOP" and "Apache Software Foundation" must not be used to
26  * endorse or promote products derived from this software without prior
27  * written permission. For written permission, please contact
28  * apache@apache.org.
29  *
30  * 5. Products derived from this software may not be called "Apache", nor may
31  * "Apache" appear in their name, without prior written permission of the
32  * Apache Software Foundation.
33  *
34  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
37  * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
39  * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  * ============================================================================
45  *
46  * This software consists of voluntary contributions made by many individuals
47  * on behalf of the Apache Software Foundation and was originally created by
48  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
49  * Software Foundation, please see <http://www.apache.org/>.
50  */
51 package org.apache.fop.pdf;
52
53 // Java
54
55 /**
56  * A common ancestor for Type1, TrueType, MMType1 and Type3 fonts
57  * (all except base 14 fonts).
58  */
59 public abstract class PDFFontNonBase14 extends PDFFont {
60
61     /**
62      * first character code in the font
63      */
64     protected int firstChar;
65
66     /**
67      * last character code in the font
68      */
69     protected int lastChar;
70
71     /**
72      * widths of characters from firstChar to lastChar
73      */
74     protected PDFArray widths;
75
76     /**
77      * descriptor of font metrics
78      */
79     protected PDFFontDescriptor descriptor;
80
81     /**
82      * create the /Font object
83      *
84      * @param number the object's number
85      * @param fontname the internal name for the font
86      * @param subtype the font's subtype
87      * @param basefont the base font name
88      * @param encoding the character encoding schema used by the font
89      * @param mapping the Unicode mapping mechanism
90      */
91     public PDFFontNonBase14(int number, String JavaDoc fontname, byte subtype,
92                             String JavaDoc basefont,
93                             Object JavaDoc encoding /* , PDFToUnicode mapping */) {
94
95         /* generic creation of PDF object */
96         super(number, fontname, subtype, basefont, encoding);
97
98         this.descriptor = null;
99     }
100
101     /**
102      * set the width metrics for the font
103      *
104      * @param firstChar the first character code in the font
105      * @param lastChar the last character code in the font
106      * @param widths an array of size (lastChar - firstChar +1)
107      */
108     public void setWidthMetrics(int firstChar, int lastChar,
109                                 PDFArray widths) {
110         /* set fields using paramaters */
111         this.firstChar = firstChar;
112         this.lastChar = lastChar;
113         this.widths = widths;
114     }
115
116     /**
117      * set the font descriptor (unused for the Type3 fonts)
118      *
119      * @param descriptor the descriptor for other font's metrics
120      */
121     public void setDescriptor(PDFFontDescriptor descriptor) {
122         this.descriptor = descriptor;
123     }
124
125     /**
126      * fill in the specifics for the font's subtype
127      */
128     protected void fillInPDF(StringBuffer JavaDoc p) {
129         p.append("\n/FirstChar ");
130         p.append(firstChar);
131         p.append("\n/LastChar ");
132         p.append(lastChar);
133         p.append("\n/Widths ");
134         p.append(this.widths.referencePDF());
135         if (descriptor != null) {
136             p.append("\n/FontDescriptor ");
137             p.append(this.descriptor.referencePDF());
138         }
139     }
140
141 }
142
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