sclang: devicePixelRatio primitive

scztt · scztt · commit 6bd16e2c0ddd · 2018-02-18T15:16:36.000-08:00
diff --git a/QtCollider/widgets/BasicWidgets.h b/QtCollider/widgets/BasicWidgets.h
@@ -25,11 +25,13 @@
 #include "QcCanvas.h"
 #include "../layouts/classic_layouts.hpp"
 #include "image_painter.h"
+#include <QBackingStore>
 
 class QcSimpleWidget : public QWidget
 {
   Q_OBJECT
   Q_PROPERTY( QColor background READ background WRITE setBackground );
+  Q_PROPERTY( float devicePixelRatio READ devicePixelRatio );
 
 public:
   const QColor & background() const { return _bkg; }
@@ -39,6 +41,8 @@ class QcSimpleWidget : public QWidget
                            int tileMode, double opacity );
   Q_INVOKABLE
   void removeBackgroundImage() { _bkg_image.clear(); update(); }
+  
+  float devicePixelRatio() const { return backingStore()->window()->devicePixelRatio(); }
 
 protected:
   virtual void paintEvent( QPaintEvent * );
