blob: 3d30abde08a57e724a96c86bef399b5843e5a23a (
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
|
/*
* 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.layoutmgr;
import org.apache.fop.fo.properties.KeepProperty;
/**
* The interface for LayoutManagers which generate block areas
*/
public interface BlockLevelLayoutManager extends LayoutManager {
/** Adjustment class: no adjustment */
int NO_ADJUSTMENT = -1;
/** Adjustment class: adjustment for space-before */
int SPACE_BEFORE_ADJUSTMENT = 0;
/** Adjustment class: adjustment for space-after */
int SPACE_AFTER_ADJUSTMENT = 1;
/** Adjustment class: adjustment for number of lines */
int LINE_NUMBER_ADJUSTMENT = 2;
/** Adjustment class: adjustment for line height */
int LINE_HEIGHT_ADJUSTMENT = 3;
int negotiateBPDAdjustment(int adj, KnuthElement lastElement);
void discardSpace(KnuthGlue spaceGlue);
/**
* Returns the keep-together strength for this element.
* @return the keep-together strength
*/
Keep getKeepTogether();
/**
* @return true if this element must be kept together
*/
boolean mustKeepTogether();
/**
* Returns the keep-with-previous strength for this element.
* @return the keep-with-previous strength
*/
Keep getKeepWithPrevious();
/**
* @return true if this element must be kept with the previous element.
*/
boolean mustKeepWithPrevious();
/**
* Returns the keep-with-next strength for this element.
* @return the keep-with-next strength
*/
Keep getKeepWithNext();
/**
* @return true if this element must be kept with the next element.
*/
boolean mustKeepWithNext();
/**
* Returns the keep-together property specified on the FObj.
* @return the keep-together property
*/
KeepProperty getKeepTogetherProperty();
/**
* Returns the keep-with-previous property specified on the FObj.
* @return the keep-together property
*/
KeepProperty getKeepWithPreviousProperty();
/**
* Returns the keep-with-next property specified on the FObj.
* @return the keep-together property
*/
KeepProperty getKeepWithNextProperty();
}
|
