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#pragma once
#include <array>
#include <cstdint>
namespace GUI
{
class Colour {
public:
Colour();
Colour(float grey, float alpha = 1.0f);
Colour(float red, float green, float blue, float alpha = 1.0f);
Colour(std::uint8_t r, std::uint8_t g, std::uint8_t b, std::uint8_t a);
Colour(const Colour& other);
Colour& operator=(const Colour& other);
bool operator==(const Colour& other) const;
bool operator!=(const Colour& other) const;
inline float red() const { return data[0]; }
inline float green() const { return data[1]; }
inline float blue() const { return data[2]; }
inline float alpha() const { return data[3]; }
private:
std::array<float, 4> data;
};
struct ColourHasher
{
std::size_t operator()(const Colour& colour) const
{
return 7*colour.red() + 11*colour.green() + 13*colour.blue();
}
};
}
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