#include <renderd7/Color.hpp>

#define RGBA8(r, g, b, a) ((((r) & 0xFF) << 0) | (((g) & 0xFF) << 8) | (((b) & 0xFF) << 16) | (((a) & 0xFF) << 24))

uint32_t RenderD7::Color::Hex(const std::string color, uint8_t a)
{
    if (color.length() < 7 || std::regex_search(color.substr(1), std::regex("[^0-9A-Fa-f]"))) { // invalid color.
		return RenderD7::Color::Hex("#000000", 0);
	}
    int r = std::stoi(color.substr(1, 2), nullptr, 16);
	int g = std::stoi(color.substr(3, 2), nullptr, 16);
	int b = std::stoi(color.substr(5, 2), nullptr, 16);
	return RGBA8(r, g, b, a);
}

std::string RenderD7::Color::RGB2Hex(int r, int g, int b)
{
  	std::stringstream ss;
  	ss << "#";
  	ss << std::hex << (r << 16 | g << 8 | b );
  	return ss.str();
}