1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* $Id: Viewport.java,v 1.7 2003/03/05 16:45:42 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.area.inline;
import org.apache.fop.area.Area;
import java.io.IOException;
import java.awt.geom.Rectangle2D;
import java.util.HashMap;
/**
* Inline viewport area.
* This is an inline-level viewport area for inline container,
* external graphic and instream foreign object. This viewport
* holds the area and positions it.
*/
public class Viewport extends InlineArea {
// contents could be container, foreign object or image
private Area content;
// clipping for the viewport
private boolean clip = false;
// position of the cild area relative to this area
private Rectangle2D contentPosition;
/**
* Create a new viewport area with the content area.
*
* @param child the child content area of this viewport
*/
public Viewport(Area child) {
content = child;
}
/**
* Set the clip of this viewport.
*
* @param c true if this viewport should clip
*/
public void setClip(boolean c) {
clip = c;
}
/**
* Get the clip of this viewport.
*
* @return true if this viewport should clip
*/
public boolean getClip() {
return clip;
}
/**
* Set the position and size of the content of this viewport.
*
* @param cp the position and size to place the content
*/
public void setContentPosition(Rectangle2D cp) {
contentPosition = cp;
}
/**
* Get the position and size of the content of this viewport.
*
* @return the position and size to place the content
*/
public Rectangle2D getContentPosition() {
return contentPosition;
}
/**
* Get the content area for this viewport.
*
* @return the content area
*/
public Area getContent() {
return content;
}
/**
* Handle InlineAreaVisitor request by passing this back to it.
*
* @param visitor the InlineAreaVisitor wishing to process this.
* @see org.apache.fop.area.inline.InlineAreaVisitor
*/
public void acceptVisitor(InlineAreaVisitor visitor) {
visitor.serveVisitor(this);
}
private void writeObject(java.io.ObjectOutputStream out)
throws IOException {
out.writeBoolean(contentPosition != null);
if (contentPosition != null) {
out.writeFloat((float) contentPosition.getX());
out.writeFloat((float) contentPosition.getY());
out.writeFloat((float) contentPosition.getWidth());
out.writeFloat((float) contentPosition.getHeight());
}
out.writeBoolean(clip);
out.writeObject(props);
out.writeObject(content);
}
private void readObject(java.io.ObjectInputStream in)
throws IOException, ClassNotFoundException {
if (in.readBoolean()) {
contentPosition = new Rectangle2D.Float(in.readFloat(),
in.readFloat(),
in.readFloat(),
in.readFloat());
}
clip = in.readBoolean();
props = (HashMap) in.readObject();
content = (Area) in.readObject();
}
}
|
