01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * ReplacedContentAlignContext.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.layout.process.valign;
30:
31: import org.jfree.report.layout.model.LogicalPageBox;
32: import org.jfree.report.layout.model.RenderBox;
33: import org.jfree.report.layout.model.RenderNode;
34: import org.jfree.report.layout.model.RenderableReplacedContent;
35: import org.jfree.report.layout.text.ExtendedBaselineInfo;
36: import org.jfree.util.Log;
37:
38: /**
39: * A generic align context for images and other nodes. (Renderable-Content
40: * should have been aligned by the parent.
41: *
42: * @author Thomas Morgner
43: */
44: public class ReplacedContentAlignContext extends AlignContext {
45: private long shift;
46: private long height;
47:
48: public ReplacedContentAlignContext(
49: final RenderableReplacedContent node) {
50: super (node);
51: // todo
52: // final StrictDimension contentSize = node.getContentSize();
53: // // we better compute the height of the content or we will run into
54: // // trouble ..
55: //
56: this .height = node
57: .computeHeight(computeBlockContextWidth(node), node
58: .getComputedWidth());
59:
60: Log.debug("HEIGHT" + height);
61: }
62:
63: private long computeBlockContextWidth(final RenderNode box) {
64: final RenderBox parentBlockContext = box.getParent();
65: if (parentBlockContext == null) {
66: final LogicalPageBox logicalPage = box.getLogicalPage();
67: if (logicalPage == null) {
68: return 0;
69: }
70: return logicalPage.getPageWidth();
71: }
72: return parentBlockContext.getStaticBoxLayoutProperties()
73: .getBlockContextWidth();
74: }
75:
76: public long getBaselineDistance(final int baseline) {
77: if (baseline == ExtendedBaselineInfo.BEFORE_EDGE) {
78: return 0;
79: }
80: if (baseline == ExtendedBaselineInfo.TEXT_BEFORE_EDGE) {
81: return 0;
82: }
83: // oh that's soooo primitive ..
84: return height;
85: }
86:
87: public void shift(final long delta) {
88: this .shift += delta;
89: }
90:
91: public long getAfterEdge() {
92: return shift + height;
93: }
94:
95: public long getBeforeEdge() {
96: return shift;
97: }
98: }
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