comparison view/View.h @ 316:c0b9eec70639

* Make XmlExportable::toXml the function that is universally overridden (and
  pure virtual) instead of toXmlString.  Tidies up some classes, notably the
  model classes, significantly.  Closes #1794561.

     virtual int getTextLabelHeight(const Layer *layer, QPainter &) const;
 
     virtual bool getValueExtents(QString unit, float &min, float &max,
                                  bool &log) const;
 
-    virtual QString toXmlString(QString indent = "",
-				QString extraAttributes = "") const;
+    virtual void toXml(QTextStream &stream, QString indent = "",
+                       QString extraAttributes = "") const;
 
     // First frame actually in model, to right of scale, if present
     virtual size_t getFirstVisibleFrame() const;
     virtual size_t getLastVisibleFrame() const;