22 lines
736 B
C++
22 lines
736 B
C++
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#include <renderd7/Color.hpp>
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#define RGBA8(r, g, b, a) ((((r) & 0xFF) << 0) | (((g) & 0xFF) << 8) | (((b) & 0xFF) << 16) | (((a) & 0xFF) << 24))
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uint32_t RenderD7::Color::Hex(const std::string color, uint8_t a)
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{
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if (color.length() < 7 || std::regex_search(color.substr(1), std::regex("[^0-9A-Fa-f]"))) { // invalid color.
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return RenderD7::Color::Hex("#000000", 0);
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}
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int r = std::stoi(color.substr(1, 2), nullptr, 16);
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int g = std::stoi(color.substr(3, 2), nullptr, 16);
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int b = std::stoi(color.substr(5, 2), nullptr, 16);
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return RGBA8(r, g, b, a);
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}
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std::string RenderD7::Color::RGB2Hex(int r, int g, int b)
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{
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std::stringstream ss;
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ss << "#";
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ss << std::hex << (r << 16 | g << 8 | b );
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return ss.str();
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}
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