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#pragma once
#include "base/math.hpp"
#include <cstdint>
#include <sstream>
#include <string>
namespace dp
{
struct Color
{
Color();
explicit Color(uint32_t rgba);
Color(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha);
uint8_t GetRed() const;
uint8_t GetGreen() const;
uint8_t GetBlue() const;
uint8_t GetAlpha() const;
float GetRedF() const;
float GetGreenF() const;
float GetBlueF() const;
float GetAlphaF() const;
bool operator==(Color const & other) const { return m_rgba == other.m_rgba; }
bool operator!=(Color const & other) const { return m_rgba != other.m_rgba; }
bool operator<(Color const & other) const { return m_rgba < other.m_rgba; }
Color operator*(float s) const
{
return Color(static_cast<uint8_t>(base::clamp(GetRedF() * s, 0.0f, 1.0f) * 255.0f),
static_cast<uint8_t>(base::clamp(GetGreenF() * s, 0.0f, 1.0f) * 255.0f),
static_cast<uint8_t>(base::clamp(GetBlueF() * s, 0.0f, 1.0f) * 255.0f), GetAlpha());
}
static Color Black() { return Color(0, 0, 0, 255); }
static Color White() { return Color(255, 255, 255, 255); }
static Color Red() { return Color(255, 0, 0, 255); }
static Color Blue() { return Color(0, 0, 255, 255); }
static Color Green() { return Color(0, 255, 0, 255); }
static Color Yellow() { return Color(255, 255, 0, 255); }
static Color Transparent() { return Color(0, 0, 0, 0); }
private:
uint32_t m_rgba;
};
inline uint8_t ExtractRed(uint32_t argb);
inline uint8_t ExtractGreen(uint32_t argb);
inline uint8_t ExtractBlue(uint32_t argb);
inline uint8_t ExtractAlpha(uint32_t argb);
Color Extract(uint32_t argb);
Color Extract(uint32_t xrgb, uint8_t a);
inline std::string DebugPrint(Color const & c)
{
std::ostringstream out;
out << "[R = " << static_cast<uint32_t>(c.GetRed())
<< ", G = " << static_cast<uint32_t>(c.GetGreen())
<< ", B = " << static_cast<uint32_t>(c.GetBlue())
<< ", A = " << static_cast<uint32_t>(c.GetAlpha()) << "]";
return out.str();
}
} // namespace dp
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