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
|
/* ====================================================================
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.
==================================================================== */
package org.apache.poi.xdgf.usermodel;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.awt.geom.Path2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import org.apache.poi.util.Internal;
import com.microsoft.schemas.office.visio.x2012.main.TextType;
import com.microsoft.schemas.office.visio.x2012.main.impl.TextTypeImpl;
public class XDGFText {
TextType _text;
XDGFShape _parent;
public XDGFText(TextType text, XDGFShape parent) {
_text = text;
_parent = parent;
}
@Internal
TextType getXmlObject() {
return _text;
}
public String getTextContent() {
// casting here is wrong, but there's no other way of getting the value,
// as it doesn't seem to be exposed by complex types (even though this
// is a mixed type)
return ((TextTypeImpl) _text).getStringValue();
}
/**
* These are in the shape coordinate system
*
* @see <a href="https://msdn.microsoft.com/en-us/library/hh644132(v=office.12).aspx">Text Block Coordinate System docs</a>
*/
public Rectangle2D.Double getTextBounds() {
double txtPinX = _parent.getTxtPinX();
double txtPinY = _parent.getTxtPinY();
double txtLocPinX = _parent.getTxtLocPinX();
double txtLocPinY = _parent.getTxtLocPinY();
double txtWidth = _parent.getTxtWidth();
double txtHeight = _parent.getTxtHeight();
double x = txtPinX - txtLocPinX;
double y = txtPinY - txtLocPinY;
return new Rectangle2D.Double(x, y, txtWidth, txtHeight);
}
/**
* @return Text bounds as a path in local coordinates, which is useful
* if you need to transform to global coordinates
*/
public Path2D.Double getBoundsAsPath() {
Rectangle2D.Double rect = getTextBounds();
double w = rect.getWidth();
double h = rect.getHeight();
Path2D.Double bounds = new Path2D.Double();
bounds.moveTo(0, 0);
bounds.lineTo(w, 0);
bounds.lineTo(w, h);
bounds.lineTo(0, h);
bounds.lineTo(0, 0);
return bounds;
}
/**
* @return Center of text in local coordinates
*/
public Point2D.Double getTextCenter() {
return new Point2D.Double(_parent.getTxtLocPinX(),
_parent.getTxtLocPinY());
}
/**
* When calling this to draw text, it assumes graphics is set properly
* to draw in the right style.
*/
public void draw(Graphics2D graphics) {
String textContent = getTextContent();
if (textContent.isEmpty()) {
return;
}
Rectangle2D.Double bounds = getTextBounds();
String[] lines = textContent.trim().split("\n");
FontRenderContext frc = graphics.getFontRenderContext();
Font font = graphics.getFont();
AffineTransform oldTr = graphics.getTransform();
// visio is in flipped coordinates, so translate the text to be in the
// right place
Boolean flipX = _parent.getFlipX();
Boolean flipY = _parent.getFlipY();
if (flipY == null || !_parent.getFlipY()) {
graphics.translate(bounds.x, bounds.y);
graphics.scale(1, -1);
graphics.translate(0, -bounds.height
+ graphics.getFontMetrics().getMaxCharBounds(graphics)
.getHeight());
}
if (flipX != null && _parent.getFlipX()) {
graphics.scale(-1, 1);
graphics.translate(-bounds.width, 0);
}
Double txtAngle = _parent.getTxtAngle();
if (txtAngle != null && Math.abs(txtAngle) > 0.01) {
graphics.rotate(txtAngle);
}
float nextY = 0;
for (String line : lines) {
if (line.isEmpty()) {
continue;
}
TextLayout layout = new TextLayout(line, font, frc);
if (layout.isLeftToRight()) {
layout.draw(graphics, 0, nextY);
} else {
layout.draw(graphics,
(float) (bounds.width - layout.getAdvance()), nextY);
}
nextY += layout.getAscent() + layout.getDescent()
+ layout.getLeading();
}
graphics.setTransform(oldTr);
}
}
|
