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add constexpr qcolor literal

This commit is contained in:
Vogel, Rick 2023-03-16 16:17:35 +01:00
parent 8e84741762
commit a4692c493c
1 changed files with 12 additions and 0 deletions
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12
src/common/QskRgbValue.h
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@ -360,6 +360,18 @@ namespace QskRgb
return fromHexString( str, len );
}
QSK_EXPORT constexpr QColor operator""_color(
const char* const str, const size_t len ) noexcept
{
const auto argb = static_cast<int>(fromHexString( str, len ));
const auto r = ( argb >> 16) & 0xFF;
const auto g = ( argb >> 8) & 0xFF;
const auto b = ( argb >> 0) & 0xFF;
const auto a = ( argb >> 24) & 0xFF;
const auto color = QColor{r,g,b,a};
return color;
}
#define QSK_CHECK_CONSTEXPR_LITERAL
#ifdef QSK_CHECK_CONSTEXPR_LITERAL
// example for rgb with alpha channel set to 0xFF