1 files changed, 21 insertions, 2 deletions
diff --git a/src/datavisualization/data/qsurfacedataproxy.h b/src/datavisualization/data/qsurfacedataproxy.h
index 7f104c43..488855ca 100644
--- a/src/datavisualization/data/qsurfacedataproxy.h
+++ b/src/datavisualization/data/qsurfacedataproxy.h
@@ -34,20 +34,39 @@ class QT_DATAVISUALIZATION_EXPORT QSurfaceDataProxy : public QAbstractDataProxy
 {
     Q_OBJECT
 
-    Q_PROPERTY(int itemCount READ itemCount)
+    Q_PROPERTY(int rowCount READ rowCount)
+    Q_PROPERTY(int columnCount READ columnCount)
+    Q_PROPERTY(qreal minValueRows READ minValueRows WRITE setMinValueRows NOTIFY valueRangeRowsChanged)
+    Q_PROPERTY(qreal maxValueRows READ maxValueRows WRITE setMaxValueRows NOTIFY valueRangeRowsChanged)
+    Q_PROPERTY(qreal minValueColumns READ minValueColumns WRITE setMinValueColumns NOTIFY valueRangeColumnsChanged)
+    Q_PROPERTY(qreal maxValueColumns READ maxValueColumns WRITE setMaxValueColumns NOTIFY valueRangeColumnsChanged)
 
 public:
     explicit QSurfaceDataProxy(QObject *parent = 0);
     virtual ~QSurfaceDataProxy();
 
-    int itemCount() const;
+    int rowCount() const;
+    int columnCount() const;
     const QSurfaceDataArray *array() const;
     const QSurfaceDataItem *itemAt(int index) const;
 
+    void setValueRangeRows(qreal min, qreal max);
+    void setValueRangeColumns(qreal min, qreal max);
+    void setMinValueRows(qreal min);
+    qreal minValueRows() const;
+    void setMaxValueRows(qreal max);
+    qreal maxValueRows() const;
+    void setMinValueColumns(qreal min);
+    qreal minValueColumns() const;
+    void setMaxValueColumns(qreal max);
+    qreal maxValueColumns() const;
+
     void resetArray(QSurfaceDataArray *newArray);
 
 signals:
     void arrayReset();
+    void valueRangeRowsChanged(int min, int max);
+    void valueRangeColumnsChanged(int min, int max);
 
 protected:
     explicit QSurfaceDataProxy(QSurfaceDataProxyPrivate *d, QObject *parent = 0);