Changed color scale internal point to const.

1 files changed, 1 insertions, 1 deletions

diff --git a/scatterplot.cpp b/scatterplot.cpp
index 5b7e82d..8f08fee 100644
--- a/scatterplot.cpp
+++ b/scatterplot.cpp
@@ -26,7 +26,7 @@ Scatterplot::Scatterplot(QQuickItem *parent)
     setFlag(QQuickItem::ItemHasContents);
 }
 
-void Scatterplot::setColorScale(ColorScale *colorScale)
+void Scatterplot::setColorScale(const ColorScale *colorScale)
 {
     if (!colorScale) {
         return;