kdelibs/libkdcraw/tests/raw2png.cpp

138 lines
4.4 KiB
C++

/** ===========================================================
*
* This file is a part of digiKam project
* <a href="http://www.digikam.org">http://www.digikam.org</a>
*
* @date 2008-15-09
* @brief a command line tool to convert RAW file to PNG
*
* @author Copyright (C) 2008-2012 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 <QString>
#include <QFile>
#include <QFileInfo>
#include <QDebug>
// Local includes
#include "kdcraw.h"
#include "rawdecodingsettings.h"
using namespace KDcrawIface;
int main(int argc, char** argv)
{
if(argc != 2)
{
qDebug() << "raw2png - RAW Camera Image to PNG Converter";
qDebug() << "Usage: <rawfile>";
return -1;
}
QString filePath(argv[1]);
QFileInfo input(filePath);
QString previewFilePath(input.baseName() + QString(".preview.png"));
QFileInfo previewOutput(previewFilePath);
QString halfFilePath(input.baseName() + QString(".half.png"));
QFileInfo halfOutput(halfFilePath);
QString fullFilePath(input.baseName() + QString(".full.png"));
QFileInfo fullOutput(fullFilePath);
QImage image;
DcrawInfoContainer identify;
// -----------------------------------------------------------
qDebug() << "raw2png: Identify RAW image from " << input.fileName();
KDcraw rawProcessor;
if (!rawProcessor.rawFileIdentify(identify, filePath))
{
qDebug() << "raw2png: Idendify RAW image failed. Aborted...";
return -1;
}
int width = identify.imageSize.width();
int height = identify.imageSize.height();
qDebug() << "raw2png: Raw image info:";
qDebug() << "--- Date: " << identify.dateTime.toString(Qt::ISODate);
qDebug() << "--- Make: " << identify.make;
qDebug() << "--- Model: " << identify.model;
qDebug() << "--- Size: " << width << "x" << height;
qDebug() << "--- Filter: " << identify.filterPattern;
qDebug() << "--- Colors: " << identify.rawColors;
// -----------------------------------------------------------
qDebug() << "raw2png: Loading RAW image preview";
if (!rawProcessor.loadRawPreview(image, filePath))
{
qDebug() << "raw2png: Loading RAW image preview failed. Aborted...";
return -1;
}
qDebug() << "raw2png: Saving preview image to "
<< previewOutput.fileName() << " size ("
<< image.width() << "x" << image.height()
<< ")";
image.save(previewFilePath, "PNG");
// -----------------------------------------------------------
qDebug() << "raw2png: Loading half RAW image";
image = QImage();
if (!rawProcessor.loadHalfPreview(image, filePath))
{
qDebug() << "raw2png: Loading half RAW image failed. Aborted...";
return -1;
}
qDebug() << "raw2png: Saving half image to "
<< halfOutput.fileName() << " size ("
<< image.width() << "x" << image.height()
<< ")";
image.save(halfFilePath, "PNG");
// -----------------------------------------------------------
qDebug() << "raw2png: Loading full RAW image";
image = QImage();
RawDecodingSettings settings;
settings.halfSizeColorImage = false;
settings.sixteenBitsImage = false;
settings.RGBInterpolate4Colors = false;
settings.RAWQuality = RawDecodingSettings::BILINEAR;
if (!rawProcessor.loadFullImage(image, filePath, settings))
{
qDebug() << "raw2png: Loading full RAW image failed. Aborted...";
return -1;
}
qDebug() << "raw2png: Saving full RAW image to "
<< fullOutput.fileName() << " size ("
<< image.width() << "x" << image.height()
<< ")";
image.save(fullFilePath, "PNG");
return 0;
}