binary.cpp
3.01 KB
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
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2012 The MITRE Corporation *
* *
* Licensed 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <openbr/plugins/openbr_internal.h>
#include <openbr/core/qtutils.h>
using namespace cv;
namespace br
{
/*!
* \ingroup formats
* \brief A simple binary matrix format.
* \author Josh Klontz \cite jklontz
* First 4 bytes indicate the number of rows.
* Second 4 bytes indicate the number of columns.
* The rest of the bytes are 32-bit floating data elements in row-major order.
*/
class binaryFormat : public Format
{
Q_OBJECT
Q_PROPERTY(bool raw READ get_raw WRITE set_raw RESET reset_raw STORED false)
BR_PROPERTY(bool, raw, false)
Template read() const
{
QByteArray data;
QtUtils::readFile(file, data);
if (raw) {
return Template(file, Mat(1, data.size(), CV_8UC1, data.data()).clone());
} else {
return Template(file, Mat(((quint32*)data.data())[0],
((quint32*)data.data())[1],
CV_32FC1,
data.data()+8).clone());
}
}
void write(const Template &t) const
{
QFile f(file);
QtUtils::touchDir(f);
if (!f.open(QFile::WriteOnly))
qFatal("Failed to open %s for writing.", qPrintable(file));
Mat m;
if (!raw) {
if (t.m().type() != CV_32FC1)
t.m().convertTo(m, CV_32F);
else m = t.m();
if (m.channels() != 1) qFatal("Only supports single channel matrices.");
f.write((const char *) &m.rows, 4);
f.write((const char *) &m.cols, 4);
}
else m = t.m();
qint64 rowSize = m.cols * sizeof(float);
for (int i=0; i < m.rows; i++)
{
f.write((const char *) m.row(i).data, rowSize);
}
f.close();
}
};
BR_REGISTER(Format, binaryFormat)
} // namespace br
#include "format/binary.moc"