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
|
/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: AlignContext.java 2739 2007-04-02 11:41:22Z taqua $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.renderer.process.valign;
import org.jfree.layouting.renderer.model.RenderNode;
/**
* To position an element inside an box, we need the following data:
* <p/>
* (1) Offset. The distance between the parent's top-edge and the child's top
* edge.
* <p/>
* (2) Dominant baseline. The childs alignment point is defined by that one.
* <p/>
* (3) Ascent. The distance from the baseline to the top edge.
* <p/>
* (4) descent. The distance from the baseline to the bottom edge.
*
* @author Thomas Morgner
*/
public abstract class AlignContext
{
private int dominantBaseline;
private RenderNode node;
private AlignContext next;
protected AlignContext(final RenderNode node)
{
this.node = node;
}
public RenderNode getNode()
{
return node;
}
public AlignContext getNext()
{
return next;
}
public void setNext(final AlignContext next)
{
this.next = next;
}
public abstract void shift (final long delta);
public abstract long getAfterEdge();
public abstract long getBeforeEdge();
public void setDominantBaseline(final int dominantBaseline)
{
this.dominantBaseline = dominantBaseline;
}
public int getDominantBaseline()
{
return dominantBaseline;
}
public abstract long getBaselineDistance (int baseline);
}
|
