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QskRgb::totransparentF added

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This commit is contained in:
Uwe Rathmann 2022-01-07 13:23:29 +01:00
parent 5acce30878
commit 13cb2f8ca3
1 changed files with 10 additions and 0 deletions
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10
src/common/QskRgbValue.h
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@ -461,6 +461,16 @@ namespace QskRgb
return ( rgb & ColorMask ) | ( ( static_cast< uint >( alpha ) & 0xffu ) << 24 ); return ( rgb & ColorMask ) | ( ( static_cast< uint >( alpha ) & 0xffu ) << 24 );
} }
inline QColor toTransparentF( Qt::GlobalColor color, qreal alpha )
{
return toTransparent( QColor( color ), qRound( alpha * 255 ) );
}
inline constexpr QRgb toTransparentF( QRgb rgb, qreal alpha ) noexcept
{
return toTransparent( rgb, qRound( alpha * 255 ) );
}
QSK_EXPORT QRgb lighter( QRgb, int factor = 150 ) noexcept; QSK_EXPORT QRgb lighter( QRgb, int factor = 150 ) noexcept;
QSK_EXPORT QRgb darker( QRgb, int factor = 200 ) noexcept; QSK_EXPORT QRgb darker( QRgb, int factor = 200 ) noexcept;
} }