diff --git a/src/common/QskBoxBorderMetrics.h b/src/common/QskBoxBorderMetrics.h
index f789fc8a..5bd2f9e0 100644
--- a/src/common/QskBoxBorderMetrics.h
+++ b/src/common/QskBoxBorderMetrics.h
@@ -28,6 +28,9 @@ class QSK_EXPORT QskBoxBorderMetrics
     constexpr QskBoxBorderMetrics( const QskMargins& widths,
         Qt::SizeMode sizeMode = Qt::AbsoluteSize ) noexcept;
 
+    constexpr QskBoxBorderMetrics( const QMarginsF& widths,
+        Qt::SizeMode sizeMode = Qt::AbsoluteSize ) noexcept;
+
     constexpr bool operator==( const QskBoxBorderMetrics& ) const noexcept;
     constexpr bool operator!=( const QskBoxBorderMetrics& ) const noexcept;
 
@@ -69,6 +72,13 @@ inline constexpr QskBoxBorderMetrics::QskBoxBorderMetrics(
 {
 }
 
+inline constexpr QskBoxBorderMetrics::QskBoxBorderMetrics(
+        const QMarginsF& widths, Qt::SizeMode sizeMode ) noexcept
+    : m_widths( widths )
+    , m_sizeMode( sizeMode )
+{
+}
+
 inline constexpr QskBoxBorderMetrics::QskBoxBorderMetrics(
         const QskMargins& widths, Qt::SizeMode sizeMode ) noexcept
     : m_widths( widths )