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
|
/* ====================================================================
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.stress;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.lang.ref.WeakReference;
import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
import org.apache.poi.sl.draw.Drawable;
import org.apache.poi.sl.usermodel.GroupShape;
import org.apache.poi.sl.usermodel.Notes;
import org.apache.poi.sl.usermodel.PictureData;
import org.apache.poi.sl.usermodel.Shape;
import org.apache.poi.sl.usermodel.SimpleShape;
import org.apache.poi.sl.usermodel.Slide;
import org.apache.poi.sl.usermodel.SlideShow;
import org.apache.poi.sl.usermodel.SlideShowFactory;
import org.apache.poi.sl.usermodel.TextParagraph;
import org.apache.poi.sl.usermodel.TextRun;
import org.apache.poi.sl.usermodel.TextShape;
import org.junit.platform.commons.util.ExceptionUtils;
public abstract class SlideShowHandler extends POIFSFileHandler {
public void handleSlideShow(SlideShow<?,?> ss) throws IOException {
renderSlides(ss);
readContent(ss);
readPictures(ss);
// write out the file
UnsynchronizedByteArrayOutputStream out = UnsynchronizedByteArrayOutputStream.builder().get();
ss.write(out);
readContent(ss);
// read in the written file
try (SlideShow<?, ?> read = SlideShowFactory.create(out.toInputStream())) {
assertNotNull(read);
readContent(read);
}
}
private void readContent(SlideShow<?,?> ss) {
for (Slide<?,?> s : ss.getSlides()) {
s.getTitle();
for (Shape<?,?> shape : s) {
readShapes(shape);
}
Notes<?, ?> notes = s.getNotes();
if(notes != null) {
for (Shape<?, ?> shape : notes) {
readShapes(shape);
}
}
for (Shape<?,?> shape : s.getMasterSheet()) {
readShapes(shape);
}
}
}
private void readShapes(Shape<?,?> s) {
// recursively walk group-shapes
if(s instanceof GroupShape) {
GroupShape<? extends Shape<?,?>, ?> shapes = (GroupShape<? extends Shape<?,?>, ?>) s;
for (Shape<? extends Shape<?,?>, ?> shape : shapes) {
readShapes(shape);
}
}
if(s instanceof SimpleShape) {
SimpleShape<?, ?> simpleShape = (SimpleShape<?, ?>) s;
simpleShape.getFillColor();
simpleShape.getFillStyle();
simpleShape.getStrokeStyle();
simpleShape.getLineDecoration();
}
readText(s);
}
private void readText(Shape<?,?> s) {
if (s instanceof TextShape) {
for (TextParagraph<?,?,?> tp : (TextShape<?,?>)s) {
for (TextRun tr : tp) {
tr.getRawText();
}
}
}
}
private void readPictures(SlideShow<?,?> ss) {
for (PictureData pd : ss.getPictureData()) {
Dimension dim = pd.getImageDimension();
assertTrue( dim.getHeight() >= 0, "Expecting a valid height, but had an image with height: " + dim.getHeight() );
assertTrue( dim.getWidth() >= 0, "Expecting a valid width, but had an image with width: " + dim.getWidth() );
}
}
private void renderSlides(SlideShow<?,?> ss) {
Dimension pgSize = ss.getPageSize();
for (Slide<?,?> s : ss.getSlides()) {
BufferedImage img = new BufferedImage(pgSize.width, pgSize.height, BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = img.createGraphics();
// default rendering options
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
graphics.setRenderingHint(Drawable.BUFFERED_IMAGE, new WeakReference<>(img));
try {
// draw stuff
s.draw(graphics);
} catch (ArrayIndexOutOfBoundsException e) {
// We saw exceptions with JDK 8 on Windows in the Jenkins CI which
// seem to only be triggered by some font (maybe Calibri?!)
// We cannot avoid this, so let's try to not make the tests fail in this case
if (!"-1".equals(e.getMessage()) ||
!ExceptionUtils.readStackTrace(e).contains("ExtendedTextSourceLabel.getJustificationInfos")) {
throw e;
}
}
graphics.dispose();
img.flush();
}
}
}
|
