-
Notifications
You must be signed in to change notification settings - Fork 242
/
SIFReader.java
172 lines (146 loc) · 5.21 KB
/
SIFReader.java
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
171
172
/*
* #%L
* OME Bio-Formats package for reading and converting biological file formats.
* %%
* Copyright (C) 2005 - 2017 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>.
* #L%
*/
package loci.formats.in;
import java.io.IOException;
import loci.common.RandomAccessInputStream;
import loci.formats.CoreMetadata;
import loci.formats.FormatException;
import loci.formats.FormatReader;
import loci.formats.FormatTools;
import loci.formats.MetadataTools;
import loci.formats.meta.MetadataStore;
import ome.units.quantity.Time;
import ome.units.UNITS;
/**
* SIFReader is the file format reader for Andor SIF files.
*/
public class SIFReader extends FormatReader {
// -- Constants --
private static final String MAGIC_STRING = "Andor Technology";
private static final int FOOTER_SIZE = 8;
// -- Fields --
private long pixelOffset;
// -- Constructor --
/** Constructs a new SIF reader. */
public SIFReader() {
super("Andor SIF", "sif");
domains = new String[] {FormatTools.LM_DOMAIN};
}
// -- IFormatReader API methods --
/* @see loci.formats.IFormatReader#isThisType(RandomAccessInputStream) */
@Override
public boolean isThisType(RandomAccessInputStream stream) throws IOException {
final int blockLen = 16;
if (!FormatTools.validStream(stream, blockLen, false)) return false;
return stream.readString(blockLen).equals(MAGIC_STRING);
}
/**
* @see loci.formats.IFormatReader#openBytes(int, byte[], int, int, int, int)
*/
@Override
public byte[] openBytes(int no, byte[] buf, int x, int y, int w, int h)
throws FormatException, IOException
{
FormatTools.checkPlaneParameters(this, no, buf.length, x, y, w, h);
in.seek(pixelOffset + no * FormatTools.getPlaneSize(this));
readPlane(in, x, y, w, h, buf);
return buf;
}
/* @see loci.formats.IFormatReader#close(boolean) */
@Override
public void close(boolean fileOnly) throws IOException {
super.close(fileOnly);
if (!fileOnly) {
pixelOffset = 0;
}
}
// -- Internal FormatReader API methods --
/* @see loci.formats.FormatReader#initFile(String) */
@Override
protected void initFile(String id) throws FormatException, IOException {
super.initFile(id);
in = new RandomAccessInputStream(id);
CoreMetadata m = core.get(0);
double[] timestamp = null;
int lineNumber = 1;
String line = in.readLine();
int endLine = -1;
while (endLine < 0 || lineNumber < endLine) {
lineNumber++;
if (line.startsWith("Pixel number")) {
String[] tokens = line.split(" ");
if (tokens.length > 2) {
m.sizeC = Integer.parseInt(tokens[2]);
m.sizeX = Integer.parseInt(tokens[3]);
m.sizeY = Integer.parseInt(tokens[4]);
m.sizeZ = Integer.parseInt(tokens[5]);
m.sizeT = Integer.parseInt(tokens[6]);
m.imageCount = getSizeZ() * getSizeT() * getSizeC();
timestamp = new double[getImageCount()];
endLine = lineNumber;
}
}
else if (lineNumber < endLine) {
int index = lineNumber - (endLine - getImageCount()) - 1;
if (index >= 0) {
try {
timestamp[index] = Double.parseDouble(line.trim());
}
catch (NumberFormatException e) {
LOGGER.debug("Could not parse timestamp #" + index, e);
}
}
}
else {
addGlobalMetaList("Line", line.trim());
}
line = in.readLine();
if (endLine > 0 && endLine == lineNumber) {
String[] tokens = line.split(" ");
int x1 = Integer.parseInt(tokens[1]);
int y1 = Integer.parseInt(tokens[2]);
int x2 = Integer.parseInt(tokens[3]);
int y2 = Integer.parseInt(tokens[4]);
int x3 = Integer.parseInt(tokens[5]);
int y3 = Integer.parseInt(tokens[6]);
m.sizeX = (int) (Math.abs(x1 - x2) + x3);
m.sizeY = (int) (Math.abs(y1 - y2) + y3);
pixelOffset = in.length() - FOOTER_SIZE -
(getImageCount() * getSizeX() * getSizeY() * 4);
}
}
m.pixelType = FormatTools.FLOAT;
m.dimensionOrder = "XYCZT";
m.littleEndian = true;
MetadataStore store = makeFilterMetadata();
MetadataTools.populatePixels(store, this,
getMetadataOptions().getMetadataLevel() != MetadataLevel.MINIMUM);
if (getMetadataOptions().getMetadataLevel() != MetadataLevel.MINIMUM) {
for (int i=0; i<getImageCount(); i++) {
store.setPlaneDeltaT(new Time(timestamp[i], UNITS.SECOND), 0, i);
}
}
}
}