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/*
* libopenraw - tiffepfile.cpp
*
* Copyright (C) 2007-2017 Hubert Figuière
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <vector>
#include <algorithm>
#include <memory>
#include <libopenraw/debug.h>
#include "rawfile.hpp"
#include "trace.hpp"
#include "tiffepfile.hpp"
#include "ifddir.hpp"
#include "ifdfilecontainer.hpp"
using namespace Debug;
namespace OpenRaw {
namespace Internals {
TiffEpFile::TiffEpFile(const IO::Stream::Ptr &s,
Type _type)
: IfdFile(s, _type)
{
}
IfdDir::Ref TiffEpFile::_locateCfaIfd()
{
const IfdDir::Ref & _mainIfd = mainIfd();
if (!_mainIfd) {
LOGDBG1("couldn't find main ifd\n");
return IfdDir::Ref();
}
if (_mainIfd->isPrimary()) {
return _mainIfd;
}
auto result = _mainIfd->getSubIFDs();
if (result.empty()) {
// error
LOGDBG1("couldn't find main ifd nor subifds\n");
return IfdDir::Ref();
}
std::vector<IfdDir::Ref> subdirs = result.unwrap();
auto i = find_if(subdirs.cbegin(),
subdirs.cend(),
[] (const IfdDir::Ref& e) {
return e->isPrimary();
});
if (i != subdirs.cend()) {
return *i;
}
LOGDBG1("couldn't find a primary subifd\n");
return IfdDir::Ref();
}
IfdDir::Ref TiffEpFile::_locateMainIfd()
{
return m_container->setDirectory(0);
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0))
indent-tabs-mode:nil
fill-column:80
End:
*/
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