use units to understand the devicePixelRatio

src/declarativeimports/core/framesvgitem.cpp

@@ -101,6 +101,7 @@ FrameSvgItem::FrameSvgItem(QQuickItem *parent)
     m_fixedMargins->setFixed(true);
     setFlag(ItemHasContents, true);
     connect(m_frameSvg, SIGNAL(repaintNeeded()), this, SLOT(doUpdate()));
+    connect(&m_units, &Units::devicePixelRatioChanged, this, &FrameSvgItem::updateDevicePixelRatio);
 }
 
 
@@ -270,8 +271,7 @@ void FrameSvgItem::componentComplete()
 
 void FrameSvgItem::updateDevicePixelRatio()
 {
-    m_frameSvg->resize();
+    m_frameSvg->setDevicePixelRatio(qMax((qreal)1.0, floor(m_units.devicePixelRatio())));
-    m_frameSvg->resize(m_frameSvg->size() * 5);
 }
 
 } // Plasma namespace

src/declarativeimports/core/svgitem.cpp

@@ -34,6 +34,7 @@ SvgItem::SvgItem(QQuickItem *parent)
       m_smooth(false)
 {
     setFlag(QQuickItem::ItemHasContents, true);
+    connect(&m_units, &Units::devicePixelRatioChanged, this, &SvgItem::updateDevicePixelRatio);
 }
 
 
@@ -83,6 +84,8 @@ void SvgItem::setSvg(Plasma::Svg *svg)
         disconnect(m_svg.data(), 0, this, 0);
     }
     m_svg = svg;
+    updateDevicePixelRatio();
+
     if (svg) {
         connect(svg, SIGNAL(repaintNeeded()), this, SLOT(updateNeeded()));
         connect(svg, SIGNAL(repaintNeeded()), this, SIGNAL(naturalSizeChanged()));
@@ -181,6 +184,13 @@ qreal SvgItem::implicitHeight() const
     return QQuickItem::implicitHeight();
 }
 
+void SvgItem::updateDevicePixelRatio()
+{
+    if (m_svg) {
+        m_svg.data()->setDevicePixelRatio(qMax((qreal)1.0, floor(m_units.devicePixelRatio())));
+    }
+}
+
 } // Plasma namespace
 
 #include "svgitem.moc"

src/declarativeimports/core/svgitem.h

@@ -101,6 +101,7 @@ Q_SIGNALS:
 
 protected Q_SLOTS:
     void updateNeeded();
+    void updateDevicePixelRatio();
 
 private:
     QWeakPointer<Plasma::Svg> m_svg;

src/plasma/svg.cpp

@@ -137,7 +137,7 @@ SvgPrivate::SvgPrivate(Svg *svg)
       renderer(0),
       styleCrc(0),
       lastModified(0),
-      devicePixelRatio(2.0),
+      devicePixelRatio(1.0),
       multipleImages(false),
       themed(false),
       applyColors(false),