Fix compilation

[kdenlive] / src / videoglwidget.h

diff --git a/src/videoglwidget.h b/src/videoglwidget.h
index 860156227fe691ba7d99cec8f48a9cfe15334cfd..c9016e64d2b880fa50234b09ade38e56aba6d748 100644 (file)
--- a/src/videoglwidget.h
+++ b/src/videoglwidget.h
@@ -9,13 +9,13 @@ class VideoGLWidget : public QGLWidget
     Q_OBJECT
 
 public:
-    VideoGLWidget(QWidget *parent = 0);
+    explicit VideoGLWidget(QWidget *parent = 0);
     ~VideoGLWidget();
     void activateMonitor();
     QSize minimumSizeHint() const;
     QSize sizeHint() const;
     void setImageAspectRatio(double ratio);
-    void setBackgroundColor(QColor color) {
+    void setBackgroundColor(const QColor &color) {
         m_backgroundColor = color;
     }
 
@@ -28,7 +28,7 @@ private:
     Qt::WindowFlags m_baseFlags;
 
 public slots:
-    void showImage(const QImage image);
+    void showImage(const QImage &image);
 
 protected:
     void initializeGL();