From a1956a4ff879eb2d34c7a0ca448f48ee6e64ce99 Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuelfadel@gmail.com>
Date: Tue, 1 Sep 2015 20:45:02 -0300
Subject: Improvements related to visual representation of distortions.

- New continuous color scale class;
- Improvements in signal handler for calculating distortions;
- Implementation of the NP(k) measure.
---
 colorscale.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'colorscale.h')

diff --git a/colorscale.h b/colorscale.h
index 6e1212d..6e65012 100644
--- a/colorscale.h
+++ b/colorscale.h
@@ -11,12 +11,12 @@ public:
     ColorScale(const QColor &firstColor, const QColor &lastColor);
     ColorScale(std::initializer_list<QColor> colors);
     ColorScale(const QList<QColor> &colors);
-    ~ColorScale();
+    virtual ~ColorScale();
 
+    virtual QColor color(qreal t) const;
     void setExtents(qreal min, qreal max);
-    QColor color(qreal t) const;
 
-private:
+protected:
     qreal m_min, m_max;
     QList<QColor> m_colors;
 };
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