blob: 53b8e2ad58685ea4f925fa0d482b728c000ff1a0 (
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
|
/*
* 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.svg;
import org.apache.batik.bridge.BridgeContext;
import org.apache.batik.bridge.SVGTextElementBridge;
import org.apache.batik.gvt.GraphicsNode;
import org.apache.batik.gvt.TextNode;
import org.apache.batik.gvt.TextPainter;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Bridge class for the <text> element.
* This bridge will use the direct text painter if the text
* for the element is simple.
*
* @author <a href="mailto:keiron@aftexsw.com">Keiron Liddle</a>
*/
public abstract class AbstractFOPTextElementBridge extends SVGTextElementBridge {
/** text painter */
protected TextPainter textPainter;
/**
* Main constructor
*
* @param textPainter the text painter
*/
public AbstractFOPTextElementBridge(TextPainter textPainter) {
this.textPainter = textPainter;
}
/**
* Create a text element bridge.
*
* This set the text painter on the node if the text is simple.
* @param ctx the bridge context
* @param e the svg element
* @return the text graphics node created by the super class
*/
public GraphicsNode createGraphicsNode(BridgeContext ctx, Element e) {
GraphicsNode node = super.createGraphicsNode(ctx, e);
if (node != null) {
//Set our own text painter
((TextNode)node).setTextPainter(textPainter);
}
return node;
}
/**
* Check if text element contains simple text.
* This checks the children of the text element to determine
* if the text is simple. The text is simple if it can be rendered
* with basic text drawing algorithms. This means there are no
* alternate characters, the font is known and there are no effects
* applied to the text.
*
* @param ctx the bridge context
* @param element the svg text element
* @param node the graphics node
* @return true if this text is simple of false if it cannot be
* easily rendered using normal drawString on the Graphics2D
*/
protected boolean isSimple(BridgeContext ctx, Element element, GraphicsNode node) {
for (Node n = element.getFirstChild();
n != null;
n = n.getNextSibling()) {
switch (n.getNodeType()) {
case Node.ELEMENT_NODE:
if (n.getLocalName().equals(SVG_TSPAN_TAG)
|| n.getLocalName().equals(SVG_ALT_GLYPH_TAG)) {
return false;
} else if (n.getLocalName().equals(SVG_TEXT_PATH_TAG)) {
return false;
} else if (n.getLocalName().equals(SVG_TREF_TAG)) {
return false;
}
break;
case Node.TEXT_NODE:
case Node.CDATA_SECTION_NODE:
default:
}
}
/*if (CSSUtilities.convertFilter(element, node, ctx) != null) {
return false;
}*/
return true;
}
}
|
