81 lines
1.9 KiB
C++

// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2008 Aurélien Gâteau <agateau@kde.org>
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
*/
#include "fitshandler.h"
#include "imageformats/fitsformat/fitsdata.h"
#include "gwenview_lib_debug.h"
#include <QImage>
#include <QSize>
#include <QVariant>
namespace Gwenview
{
bool FitsHandler::canRead() const
{
if (!device()) {
return false;
}
device()->seek(0);
if (device()->peek(6) != "SIMPLE" && device()->peek(8) != "XTENSION") {
return false;
}
FITSData fitsLoader;
if (fitsLoader.loadFITS(*device())) {
setFormat("fits");
return true;
}
return false;
}
bool FitsHandler::read(QImage *image)
{
if (!device()) {
return false;
}
*image = FITSData::FITSToImage(*device());
return true;
}
bool FitsHandler::supportsOption(ImageOption option) const
{
return option == Size;
}
QVariant FitsHandler::option(ImageOption option) const
{
if (option == Size && device()) {
FITSData fitsLoader;
if (fitsLoader.loadFITS(*device())) {
return QSize((int)fitsLoader.getWidth(), (int)fitsLoader.getHeight());
}
}
return QVariant();
}
} // namespace