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
|
/** ===========================================================
*
* This file is a part of KDE project
*
*
* @date 2009-02-04
* @brief a command line tool to set IPTC Preview
*
* @author Copyright (C) 2009-2012 by Gilles Caulier
* <a href="mailto:caulier dot gilles at gmail dot com">caulier dot gilles at gmail dot com</a>
*
* 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, 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.
*
* ============================================================ */
// Qt includes
#include <QMatrix>
#include <QImage>
#include <QString>
#include <QFile>
#include <QDebug>
// Local includes
#include "kexiv2.h"
using namespace KExiv2Iface;
int main (int argc, char **argv)
{
if (argc != 2)
{
qDebug() << "setiptcpreview - update/add jpeg iptc preview to image";
qDebug() << "Usage: <image>";
return -1;
}
QImage preview;
QString filePath = QString::fromLocal8Bit(argv[1]);
KExiv2 meta(filePath);
QImage image(filePath);
QMatrix matrix;
matrix.rotate(90);
image = image.transformed(matrix);
QSize previewSize = image.size();
previewSize.scale(1280, 1024, Qt::KeepAspectRatio);
// Ensure that preview is not upscaled
if (previewSize.width() >= (int)image.width())
preview = image.copy();
else
preview = image.scaled(previewSize.width(), previewSize.height(), Qt::IgnoreAspectRatio).copy();
meta.setImagePreview(preview);
meta.applyChanges();
QImage preview2;
KExiv2 meta2(filePath);
meta2.getImagePreview(preview2);
preview2.save(QString::fromLatin1("preview.png"), "PNG");
return 0;
}
|
