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/*
* Copyright (C) 2009, 2010, 2011, 2012 Research In Motion Limited. All rights reserved.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TileIndex_h
#define TileIndex_h
#include <limits>
#include <wtf/Vector.h>
namespace BlackBerry {
namespace WebKit {
class TileIndex {
public:
TileIndex()
: m_i(std::numeric_limits<unsigned>::max())
, m_j(std::numeric_limits<unsigned>::max()) { }
TileIndex(unsigned i, unsigned j)
: m_i(i)
, m_j(j) { }
~TileIndex() { }
unsigned i() const { return m_i; }
unsigned j() const { return m_j; }
void setIndex(unsigned i, unsigned j)
{
m_i = i;
m_j = j;
}
bool isValid() const
{
return m_i != std::numeric_limits<unsigned>::max()
&& m_j != std::numeric_limits<unsigned>::max();
}
private:
unsigned m_i;
unsigned m_j;
};
inline bool operator==(const BlackBerry::WebKit::TileIndex& a, const BlackBerry::WebKit::TileIndex& b)
{
return a.i() == b.i() && a.j() == b.j();
}
inline bool operator!=(const BlackBerry::WebKit::TileIndex& a, const BlackBerry::WebKit::TileIndex& b)
{
return a.i() != b.i() || a.j() != b.j();
}
typedef WTF::Vector<TileIndex> TileIndexList;
}
}
#endif // TileIndex_h
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