From 13cb2f8ca3a5536110813d1201c84d2eb41bdbdb Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Fri, 7 Jan 2022 13:23:29 +0100
Subject: [PATCH] QskRgb::totransparentF added

---
 src/common/QskRgbValue.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/common/QskRgbValue.h b/src/common/QskRgbValue.h
index 55d9a86c..21580835 100644
--- a/src/common/QskRgbValue.h
+++ b/src/common/QskRgbValue.h
@@ -461,6 +461,16 @@ namespace QskRgb
         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 darker( QRgb, int factor = 200 ) noexcept;
 }