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/*
Copyright 2008 Brain Research Institute, Melbourne, Australia
Written by J-Donald Tournier, 27/06/08.
This file is part of MRtrix.
MRtrix 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 3 of the License, or
(at your option) any later version.
MRtrix 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 MRtrix. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __file_ximg_h__
#define __file_ximg_h__
#include "get_set.h"
#include "file/mmap.h"
namespace MR {
namespace File {
class XImg {
private:
MMap mmap;
const guint8* bof () const;
public:
void read (const String& filename);
String name () const;
const guint8* pixel_data () const;
gint width () const;
gint height () const;
gint depth () const;
};
std::ostream& operator<< (std::ostream& stream, const XImg& X);
inline const guint8* XImg::bof () const { return ((guint8*) mmap.address()); }
inline void XImg::read (const String& filename)
{
mmap.init (filename);
mmap.map();
}
inline String XImg::name () const { return (mmap.name()); }
inline const guint8* XImg::pixel_data () const { return (bof() + getBE<gint32> (bof() + 0x4)); }
inline gint XImg::width () const { return (getBE<gint32> (bof() + 0x8)); }
inline gint XImg::height () const { return (getBE<gint32> (bof() + 0xc)); }
inline gint XImg::depth () const { return (getBE<gint32> (bof() + 0x10)); }
inline std::ostream& operator<< (std::ostream& stream, const XImg& X)
{
stream << "name: \"" << X.name() << ", pixel_data at " << X.pixel_data() << ", dim: [ " << X.width() << " " << X.height() << " ]\n";
return (stream);
}
}
}
#endif
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