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//-----------------------------------------------------------------------------
/** @file libpentobi_base/ColorMap.h
@author Markus Enzenberger
@copyright GNU General Public License version 3 or later */
//-----------------------------------------------------------------------------
#ifndef LIBPENTOBI_BASE_COLOR_MAP_H
#define LIBPENTOBI_BASE_COLOR_MAP_H
#include <array>
#include "Color.h"
namespace libpentobi_base {
//-----------------------------------------------------------------------------
/** Container mapping a color to another element type.
The elements must be default-constructible. This requirement is due to the
fact that elements are stored in an array for efficient access by color
index and arrays need default-constructible elements. */
template<typename T>
class ColorMap
{
public:
ColorMap() = default;
explicit ColorMap(const T& val) { fill(val); }
T& operator[](Color c) { return m_a[c.to_int()]; }
const T& operator[](Color c) const { return m_a[c.to_int()]; }
void fill(const T& val) { m_a.fill(val); }
private:
array<T, Color::range> m_a;
};
//-----------------------------------------------------------------------------
} // namespace libpentobi_base
#endif // LIBPENTOBI_BASE_COLOR_MAP_H
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