92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
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#include "QskFunctions.h"
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#include <QGuiApplication>
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#include <QScreen>
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#include <QtMath>
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template< class Rect, class Value >
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static inline Rect qskAlignedRect( const Rect& outerRect,
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Value width, Value height, Qt::Alignment alignment )
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{
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// we might need this code at other place too ???
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Rect r( 0, 0, width, height );
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switch( alignment & Qt::AlignHorizontal_Mask )
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{
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case Qt::AlignLeft:
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{
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r.moveLeft( outerRect.left() );
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break;
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}
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case Qt::AlignRight:
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{
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r.moveRight( outerRect.right() );
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break;
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}
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default:
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{
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r.moveLeft( outerRect.center().x() - width / 2 );
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}
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}
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switch( alignment & Qt::AlignVertical_Mask )
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{
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case Qt::AlignTop:
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{
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r.moveTop( outerRect.top() );
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break;
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}
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case Qt::AlignBottom:
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{
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r.moveBottom( outerRect.bottom() );
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break;
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}
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default:
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{
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r.moveTop( outerRect.center().y() - height / 2 );
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}
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}
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return r;
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}
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QRect qskAlignedRect( const QRect& outerRect,
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int width, int height, Qt::Alignment alignment )
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{
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return qskAlignedRect< QRect, int >( outerRect, width, height, alignment );
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}
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QRectF qskAlignedRectF( const QRectF& outerRect,
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qreal width, qreal height, Qt::Alignment alignment )
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{
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return qskAlignedRect< QRectF, qreal >( outerRect, width, height, alignment );
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}
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QRect qskInnerRect( const QRectF& rect )
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{
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const int left = qCeil( rect.left() );
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const int top = qCeil( rect.top() );
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const int right = qFloor( rect.right() );
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const int bottom = qFloor( rect.bottom() );
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return QRect( left, top, right - left, bottom - top );
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}
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qreal qskDpiScaled( qreal value )
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{
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static qreal factor = 0.0;
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if ( factor <= 0.0 )
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{
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if ( const QScreen* screen = QGuiApplication::primaryScreen() )
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factor = screen->logicalDotsPerInchX();
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else
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factor = 100.0;
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factor /= 96.0;
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}
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return value * factor;
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}
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