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/*
A command line tool to set IPTC Preview
SPDX-FileCopyrightText: 2009-2012 Gilles Caulier <caulier dot gilles at gmail dot com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
// Qt includes
#include <QTransform>
#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);
QTransform 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;
}
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