blob: 21ffd32e7c8aa0dd4e34168ca6a1230d63be342e (
plain)
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
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fo.properties;
import java.awt.Color;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.datatypes.Length;
import org.apache.fop.datatypes.Numeric;
import org.apache.fop.datatypes.PercentBaseContext;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.expr.PropertyException;
/**
* Class for handling numeric properties
*/
public class NumberProperty extends Property implements Numeric {
/**
* Inner class for making NumberProperty objects
*/
public static class Maker extends PropertyMaker {
/**
* Constructor for NumberProperty.Maker
* @param propId the id of the property for which a Maker should be created
*/
public Maker(int propId) {
super(propId);
}
/**
* @throws PropertyException
* @see PropertyMaker#convertProperty
*/
public Property convertProperty(Property p,
PropertyList propertyList, FObj fo)
throws PropertyException {
if (p instanceof NumberProperty) {
return p;
}
if (p instanceof EnumProperty) {
return EnumNumber.getInstance(p);
}
Number val = p.getNumber();
if (val != null) {
return new NumberProperty(val);
}
return convertPropertyDatatype(p, propertyList, fo);
}
}
private Number number;
/**
* Constructor for Number input
* @param num Number object value for property
*/
public NumberProperty(Number num) {
this.number = num;
}
/**
* Constructor for double input
* @param num double numeric value for property
*/
public NumberProperty(double num) {
this.number = new Double(num);
}
/**
* Constructor for integer input
* @param num integer numeric value for property
*/
public NumberProperty(int num) {
this.number = new Integer(num);
}
/**
* Plain number always has a dimension of 0.
* @return a dimension of 0.
* @see Numeric#getDimension()
*/
public int getDimension() {
return 0;
}
/**
* Return the value of this Numeric.
* @return The value as a double.
* @see Numeric#getNumericValue()
*/
public double getNumericValue() {
return number.doubleValue();
}
/**
* Return the value of this Numeric.
* @param context Evaluation context
* @return The value as a double.
* @see Numeric#getNumericValue(PercentBaseContext)
*/
public double getNumericValue(PercentBaseContext context) {
return getNumericValue();
}
/** @see org.apache.fop.datatypes.Numeric#getValue() */
public int getValue() {
return number.intValue();
}
/**
* Return the value
* @param context Evaluation context
* @return The value as an int.
* @see Numeric#getValue(PercentBaseContext)
*/
public int getValue(PercentBaseContext context) {
return getValue();
}
/**
* Return true because all numbers are absolute.
* @return true.
* @see Numeric#isAbsolute()
*/
public boolean isAbsolute() {
return true;
}
/**
* @return this.number cast as a Number
*/
public Number getNumber() {
return this.number;
}
/**
* @return this.number cast as an Object
*/
public Object getObject() {
return this.number;
}
/**
* Convert NumberProperty to Numeric object
* @return Numeric object corresponding to this
*/
public Numeric getNumeric() {
return this;
}
/** @see org.apache.fop.fo.properties.Property#getLength() */
public Length getLength() {
//Assume pixels (like in HTML) when there's no unit
return new FixedLength(getNumericValue(), "px");
}
/**
* Convert NumberProperty to a Color. Not sure why this is needed.
* @param foUserAgent FOUserAgent
* @return Color that corresponds to black
*/
public Color getColor(FOUserAgent foUserAgent) {
// TODO: Implement somehow
// Convert numeric value to color ???
// Convert to hexadecimal and then try to make it into a color?
return Color.black;
}
}
|
