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Java > Open Source Codes > org > apache > fop > svg > SVGUserAgent


1 /*
2  * $Id: SVGUserAgent.java,v 1.2.2.7 2003/02/25 15:08:11 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.svg;
52
53 import org.apache.batik.bridge.*;
54
55 import org.apache.avalon.framework.logger.Logger;
56
57 // Java
58 import java.awt.geom.AffineTransform JavaDoc;
59 import java.awt.geom.Dimension2D JavaDoc;
60 import java.awt.Dimension JavaDoc;
61
62 public class SVGUserAgent extends UserAgentAdapter {
63     AffineTransform JavaDoc currentTransform = null;
64     Logger log;
65
66     /**
67      * Creates a new SVGUserAgent.
68      */
69     public SVGUserAgent(AffineTransform JavaDoc at) {
70         currentTransform = at;
71     }
72
73     public void setLogger(Logger logger) {
74         log = logger;
75     }
76
77     /**
78      * Displays an error message.
79      */
80     public void displayError(String JavaDoc message) {
81         log.error(message);
82     }
83
84     /**
85      * Displays an error resulting from the specified Exception.
86      */
87     public void displayError(Exception JavaDoc ex) {
88         log.error("SVG Error" + ex.getMessage(), ex);
89     }
90
91     /**
92      * Displays a message in the User Agent interface.
93      * The given message is typically displayed in a status bar.
94      */
95     public void displayMessage(String JavaDoc message) {
96         log.info(message);
97     }
98
99     /**
100      * Returns a customized the pixel to mm factor.
101      */
102     public float getPixelToMM() {
103         // this is set to 72dpi as the values in fo are 72dpi
104 return 0.35277777777777777778f; // 72 dpi
105 // return 0.26458333333333333333333333333333f; // 96dpi
106 }
107
108     public float getPixelUnitToMillimeter() {
109         // this is set to 72dpi as the values in fo are 72dpi
110 return 0.35277777777777777778f; // 72 dpi
111 // return 0.26458333333333333333333333333333f; // 96dpi
112 }
113
114     /**
115      * Returns the language settings.
116      */
117     public String JavaDoc getLanguages() {
118         return "en"; // userLanguages;
119 }
120
121     public String JavaDoc getMedia() {
122         return "print";
123     }
124
125     /**
126      * Returns the user stylesheet uri.
127      * @return null if no user style sheet was specified.
128      */
129     public String JavaDoc getUserStyleSheetURI() {
130         return null; // userStyleSheetURI;
131 }
132
133     /**
134      * Returns the class name of the XML parser.
135      */
136     public String JavaDoc getXMLParserClassName() {
137         return org.apache.fop.apps.Driver.getParserClassName();
138     }
139
140     public AffineTransform JavaDoc getTransform() {
141         return currentTransform;
142     }
143
144     public Dimension2D JavaDoc getViewportSize() {
145         return new Dimension JavaDoc(100, 100);
146     }
147
148     public boolean isXMLParserValidating() {
149         return true;
150     }
151
152 }
153
154
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