Const'ref

[kdenlive] / src / scopes / colorscopes / histogram.cpp

diff --git a/src/scopes/colorscopes/histogram.cpp b/src/scopes/colorscopes/histogram.cpp
index 3ee12be0b76dda7e59acce54750f9e876ff21e9d..d50134ff944575fd58bc31ddb651d22d13cd7c2d 100644 (file)
--- a/src/scopes/colorscopes/histogram.cpp
+++ b/src/scopes/colorscopes/histogram.cpp
@@ -109,7 +109,7 @@ QImage Histogram::renderHUD(uint)
     emit signalHUDRenderingFinished(0, 1);
     return QImage();
 }
-QImage Histogram::renderGfxScope(uint accelFactor, const QImage qimage)
+QImage Histogram::renderGfxScope(uint accelFactor, const QImage &qimage)
 {
     QTime start = QTime::currentTime();
     start.start();