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more efficient implementation of qskAlignedRect

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This commit is contained in:
Uwe Rathmann 2019-05-16 08:23:10 +02:00
parent 0b8d857714
commit 3426e78ed4
1 changed files with 15 additions and 26 deletions
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41
src/common/QskFunctions.cpp
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@ -8,49 +8,38 @@ template< class Rect, class Value >
static inline Rect qskAlignedRect( const Rect& outerRect, static inline Rect qskAlignedRect( const Rect& outerRect,
Value width, Value height, Qt::Alignment alignment ) Value width, Value height, Qt::Alignment alignment )
{ {
// we might need this code at other place too ??? Value x = outerRect.x();
Value y = outerRect.y();
Rect r( 0, 0, width, height );
switch ( alignment & Qt::AlignHorizontal_Mask ) switch ( alignment & Qt::AlignHorizontal_Mask )
{ {
case Qt::AlignLeft: case Qt::AlignHCenter:
{ x += ( outerRect.width() - width ) / 2;
r.moveLeft( outerRect.left() );
break; break;
}
case Qt::AlignRight: case Qt::AlignRight:
{ x += outerRect.width() - width;
r.moveRight( outerRect.right() );
break; break;
}
default: default:
{ break;
const auto dx = ( outerRect.width() - width ) / 2;
r.moveLeft( outerRect.left() + dx );
}
} }
switch ( alignment & Qt::AlignVertical_Mask ) switch ( alignment & Qt::AlignVertical_Mask )
{ {
case Qt::AlignTop: case Qt::AlignVCenter:
{ y += ( outerRect.height() - height ) / 2;
r.moveTop( outerRect.top() );
break; break;
}
case Qt::AlignBottom: case Qt::AlignBottom:
{ y += outerRect.height() - height;
r.moveBottom( outerRect.bottom() );
break; break;
}
default: default:
{ break;
const auto dy = ( outerRect.height() - height ) / 2;
r.moveTop( outerRect.top() + dy );
}
} }
return r; return Rect( x, y, width, height );
} }
QRect qskAlignedRect( const QRect& outerRect, QRect qskAlignedRect( const QRect& outerRect,