comparison layer/ImageLayer.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 getCompletion(View *) const { return m_model->getCompletion(); }
 
     virtual bool getValueExtents(float &min, float &max,
                                  bool &logarithmic, QString &unit) const;
 
-    virtual QString toXmlString(QString indent = "",
-				QString extraAttributes = "") const;
+    virtual void toXml(QTextStream &stream, QString indent = "",
+                       QString extraAttributes = "") const;
 
     virtual void setLayerDormant(const View *v, bool dormant);
 
     void setProperties(const QXmlAttributes &attributes);