81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
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// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2008 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
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*/
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#include "fitshandler.h"
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#include "imageformats/fitsformat/fitsdata.h"
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#include "gwenview_lib_debug.h"
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#include <QImage>
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#include <QSize>
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#include <QVariant>
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namespace Gwenview
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{
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bool FitsHandler::canRead() const
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{
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if (!device()) {
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return false;
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}
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device()->seek(0);
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if (device()->peek(6) != "SIMPLE" && device()->peek(8) != "XTENSION") {
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return false;
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}
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FITSData fitsLoader;
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if (fitsLoader.loadFITS(*device())) {
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setFormat("fits");
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return true;
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}
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return false;
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}
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bool FitsHandler::read(QImage *image)
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{
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if (!device()) {
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return false;
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}
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*image = FITSData::FITSToImage(*device());
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return true;
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}
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bool FitsHandler::supportsOption(ImageOption option) const
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{
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return option == Size;
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}
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QVariant FitsHandler::option(ImageOption option) const
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{
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if (option == Size && device()) {
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FITSData fitsLoader;
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if (fitsLoader.loadFITS(*device())) {
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return QSize((int)fitsLoader.getWidth(), (int)fitsLoader.getHeight());
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}
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}
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return QVariant();
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}
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} // namespace
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