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Java > Open Source Codes > org > apache > fop > pdf > PDFFontType3


1 /*
2  * $Id: PDFFontType3.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 /**
54  * class representing a Type3 font.
55  *
56  * <p><b>CAUTION: this is not yet fully implemented!!!!!!!</b>
57  * the /CharProcs is still missing its <code>toPDF()</code> method.
58  * </p>
59  *
60  * Type3 fonts are specified on page 206 and onwards of the PDF 1.3 spec.
61  */
62 public class PDFFontType3 extends PDFFontNonBase14 {
63
64     /**
65      * font's required /FontBBox bounding box
66      */
67     protected PDFRectangle fontBBox;
68
69     /**
70      * font's required /FontMatrix array
71      */
72     protected PDFArray fontMatrix;
73
74     /**
75      * font's required /CharProcs dictionary
76      */
77     protected PDFCharProcs charProcs;
78
79     /**
80      * font's optional /Resources object
81      */
82     protected PDFResources resources;
83
84     /**
85      * create the /Font object
86      *
87      * @param number the object's number
88      * @param fontname the internal name for the font
89      * @param subtype the font's subtype (PDFFont.TYPE3)
90      * @param basefont the base font name
91      * @param encoding the character encoding schema used by the font
92      * @param mapping the Unicode mapping mechanism
93      */
94     public PDFFontType3(int number, String JavaDoc fontname, byte subtype,
95                         String JavaDoc basefont,
96                         Object JavaDoc encoding /* , PDFToUnicode mapping */) {
97
98         /* generic creation of PDF object */
99         super(number, fontname, subtype, basefont, encoding /* , mapping */);
100
101         this.fontBBox = null;
102         this.fontMatrix = null;
103         this.charProcs = null;
104     }
105
106     /**
107      * create the /Font object
108      *
109      * @param number the object's number
110      * @param fontname the internal name for the font
111      * @param subtype the font's subtype (PDFFont.TYPE3)
112      * @param basefont the base font name
113      * @param encoding the character encoding schema used by the font
114      * @param mapping the Unicode mapping mechanism
115      * @param fontBBox the font's bounding box
116      * @param fontMatrix the font's transformation matrix
117      * @param charProcs the glyphs' definitions
118      */
119     public PDFFontType3(int number, String JavaDoc fontname, byte subtype,
120                         String JavaDoc basefont,
121                         Object JavaDoc encoding /* , PDFToUnicode mapping */,
122                         PDFRectangle fontBBox, PDFArray fontMatrix,
123                         PDFCharProcs charProcs) {
124
125         /* generic creation of PDF object */
126         super(number, fontname, subtype, basefont, encoding /* , mapping */);
127
128         this.fontBBox = fontBBox;
129         this.fontMatrix = fontMatrix;
130         this.charProcs = charProcs;
131     }
132
133     /**
134      * set the font's bounding box
135      *
136      * @param bbox bounding box for the font
137      */
138     public void setFontBBox(PDFRectangle bbox) {
139         this.fontBBox = bbox;
140     }
141
142     /**
143      * set the font's transformation matrix
144      *
145      * @param matrix the transformation matrix for the font
146      */
147     public void setFontMatrix(PDFArray matrix) {
148         this.fontMatrix = matrix;
149     }
150
151     /**
152      * set the glyphs' definitions.
153      * The /CharProcs object needs to be registered in the document's resources.
154      *
155      * @param chars the glyphs' dictionary
156      */
157     public void setCharProcs(PDFCharProcs chars) {
158         this.charProcs = chars;
159     }
160
161     /**
162      * fill in the specifics for the font's subtype.
163      *
164      * the given buffer already contains the fields common to all font types.
165      *
166      * @param p the buffer to be completed with the type specific fields
167      */
168     protected void fillInPDF(StringBuffer JavaDoc p) {
169         if (fontBBox != null) {
170             p.append("\n/FontBBox ");
171             p.append(fontBBox.toPDF());
172         }
173         if (fontMatrix != null) {
174             p.append("\n/FontMatrix ");
175             p.append(fontMatrix.toPDF());
176         }
177         if (charProcs != null) {
178             p.append("\n/CharProcs ");
179             p.append(charProcs.referencePDF());
180         }
181     }
182
183 }
184
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