[TD]allow loading SVG item from file

src/Mod/TechDraw/Gui/QGCustomSvg.cpp

@@ -71,6 +71,14 @@ bool QGCustomSvg::load(QByteArray *svgBytes)
     return(success);
 }
 
+bool QGCustomSvg::load(QString filename)
+{
+    bool success = m_svgRender->load(filename);
+    prepareGeometryChange();
+    setSharedRenderer(m_svgRender);
+    return(success);
+}
+
 void QGCustomSvg::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
     QStyleOptionGraphicsItem myOption(*option);
     myOption.state &= ~QStyle::State_Selected;

src/Mod/TechDraw/Gui/QGCustomSvg.h

@@ -55,6 +55,7 @@ public:
     virtual void centerAt(QPointF centerPos);
     virtual void centerAt(double cX, double cY);
     virtual bool load(QByteArray *svgString);
+    virtual bool load(QString filename);
 
 protected:
     QSvgRenderer *m_svgRender;