comparison layer/SliceLayer.cpp @ 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.

 
 #include "PaintAssistant.h"
 
 #include <QPainter>
 #include <QPainterPath>
+#include <QTextStream>
+
 
 SliceLayer::SliceLayer() :
     m_sliceableModel(0),
     m_colourMap(0),
     m_energyScale(dBScale),

     impose = false;
     return ColourDatabase::getInstance()->getColourIndex
         (QString(darkbg ? "Bright Blue" : "Blue"));
 }
 
-QString
-SliceLayer::toXmlString(QString indent, QString extraAttributes) const
+void
+SliceLayer::toXml(QTextStream &stream,
+                  QString indent, QString extraAttributes) const
 {
     QString s;
     
     s += QString("colourScheme=\"%1\" "
 		 "energyScale=\"%2\" "

 	.arg(m_energyScale)
         .arg(m_samplingMode)
         .arg(m_gain)
         .arg(m_normalize ? "true" : "false");
 
-    return SingleColourLayer::toXmlString(indent, extraAttributes + " " + s);
+    SingleColourLayer::toXml(stream, indent, extraAttributes + " " + s);
 }
 
 void
 SliceLayer::setProperties(const QXmlAttributes &attributes)
 {