Method ToNumericalString

src/internal/colors/HtmlColor.cpp:46–63

* Generates a Html encoded hex color string (#aabbcc) with null termination. * * @param buf the buffer to write the string to * @param bufSize the maximum buffer size (must be at least 8 characters) * @return The amount of chars written to buf including the null terminator. */

 * @return The amount of chars written to buf including the null terminator.
 */
size_t HtmlColor::ToNumericalString(char* buf, size_t bufSize) const
{
    if (bufSize >= 8)
    {
        buf[0] = '#';

        uint32_t color = Color;
        for (size_t indexDigit = 6; indexDigit > 0; --indexDigit) // note pre-decrement
        {
            buf[indexDigit] = hexdigit(color & 0x0000000f);
            color >>= 4;
        }
        buf[7] = '\0';

        return 8;
    }
    return 0;
}