22 lines
512 B
C
22 lines
512 B
C
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#pragma once
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// helper function to get the RGB from a #FFFFFF string.
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inline bool checkValidRGB(std::wstring_view hex, uint8_t* R, uint8_t* G, uint8_t* B)
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{
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if (hex.length() != 7)
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return false;
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hex = hex.substr(1, 6); // remove #
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for (auto& c : hex)
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{
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if (!((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F')))
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{
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return false;
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}
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}
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if (swscanf_s(hex.data(), L"%2hhx%2hhx%2hhx", R, G, B) != 3)
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{
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return false;
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}
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return true;
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}
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