diff layer/ColourScaleLayer.h @ 699:1a1448f7beb2

Pull out colour scale drawing as well

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layer/ColourScaleLayer.h	Wed Dec 04 13:11:23 2013 +0000
@@ -0,0 +1,30 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006-2013 Chris Cannam and QMUL.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef COLOUR_SCALE_LAYER_H
+#define COLOUR_SCALE_LAYER_H
+
+#include <QString>
+#include <QColor>
+
+class ColourScaleLayer
+{
+public:
+    virtual QString getScaleUnits() const = 0;
+    virtual QColor getColourForValue(View *v, float value) const = 0;
+};
+
+#endif
+