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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*-- $Id$ --
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999 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/>.
*/
/* Modified by Eric SCHAEFFER */
package org.apache.fop.fo.flow;
// FOP
import org.apache.fop.fo.*;
import org.apache.fop.messaging.MessageHandler;
import org.apache.fop.fo.properties.*;
import org.apache.fop.layout.Area;
import org.apache.fop.layout.BlockArea;
import org.apache.fop.layout.FontState;
import org.apache.fop.apps.FOPException;
import org.apache.fop.image.*;
// Java
import java.util.Enumeration;
import java.util.Hashtable;
import java.net.URL;
import java.net.MalformedURLException;
public class DisplayGraphic extends FObj {
public static class Maker extends FObj.Maker {
public FObj make(FObj parent, PropertyList propertyList)
throws FOPException {
return new DisplayGraphic(parent, propertyList);
}
}
public static FObj.Maker maker() {
return new DisplayGraphic.Maker();
}
FontState fs;
int align;
int startIndent;
int endIndent;
int spaceBefore;
int spaceAfter;
String href;
int height;
int width;
ImageArea imageArea;
public DisplayGraphic(FObj parent, PropertyList propertyList) {
super(parent, propertyList);
this.name = "fo:display-graphic";
}
public Status layout(Area area) throws FOPException {
if (this.marker == START) {
String fontFamily =
this.properties.get("font-family").getString();
String fontStyle =
this.properties.get("font-style").getString();
String fontWeight =
this.properties.get("font-weight").getString();
int fontSize =
this.properties.get("font-size").getLength().mvalue();
this.fs = new FontState(area.getFontInfo(), fontFamily,
fontStyle, fontWeight, fontSize);
// FIXME
this.align = this.properties.get("text-align").getEnum();
this.startIndent =
this.properties.get("start-indent").getLength().mvalue();
this.endIndent =
this.properties.get("end-indent").getLength().mvalue();
this.spaceBefore =
this.properties.get("space-before.optimum").getLength().mvalue();
this.spaceAfter =
this.properties.get("space-after.optimum").getLength().mvalue();
this.href = this.properties.get("href").getString();
this.width =
this.properties.get("width").getLength().mvalue();
this.height =
this.properties.get("height").getLength().mvalue();
if (area instanceof BlockArea) {
area.end();
}
if (this.isInLabel) {
startIndent += bodyIndent;
endIndent += (area.getAllocationWidth()
- distanceBetweenStarts - startIndent)
+ labelSeparation;
}
if (this.isInListBody) {
startIndent += bodyIndent + distanceBetweenStarts;
}
if (this.isInTableCell) {
startIndent += forcedStartOffset;
endIndent = area.getAllocationWidth() - forcedWidth -
forcedStartOffset;
}
this.marker = 0;
}
try {
FopImage img = FopImageFactory.Make(href);
// if width / height needs to be computed
if ((width == 0) || (height == 0)) {
// aspect ratio
double imgWidth = img.getWidth();
double imgHeight = img.getHeight();
if ((width == 0) && (height == 0)) {
width = (int) ((imgWidth * 1000d) / 2d);
height = (int) ((imgHeight * 1000d) / 2d);
} else if (height == 0) {
height = (int) ((imgHeight * ((double) width)) / imgWidth);
} else if (width == 0) {
width = (int) ((imgWidth * ((double) height)) / imgHeight);
}
//MessageHandler.errorln("DisplayGraphic: imgW=" + imgWidth + " imgH=" + imgHeight + " w=" + width + " h=" + height);
}
if (area.spaceLeft() < (height + spaceBefore)) {
return new Status(Status.AREA_FULL_NONE);
}
this.imageArea = new ImageArea(
fs,
img,
area.getAllocationWidth(),
width,
height,
startIndent,
endIndent,
align
);
if ((spaceBefore != 0) && (this.marker == 0)) {
area.addDisplaySpace(spaceBefore);
}
if ( marker == 0 ) {
// initialize id
String id = this.properties.get("id").getString();
area.getIDReferences().initializeID(id,area);
}
imageArea.start();
imageArea.end();
area.addChild(imageArea);
area.increaseHeight(imageArea.getHeight());
if (spaceAfter != 0) {
area.addDisplaySpace(spaceAfter);
}
} catch (MalformedURLException urlex) {
// bad URL
MessageHandler.errorln("Error while creating area : " + urlex.getMessage());
} catch (FopImageException imgex) {
// image error
MessageHandler.errorln("Error while creating area : " + imgex.getMessage());
}
if (area instanceof BlockArea) {
area.start();
}
return new Status(Status.OK);
}
}
|
