comparison layer/HorizontalFrequencyScale.h @ 1281:fc9d9f1103fa horizontal-scale

Provide linear horizontal scale in spectrum as well as log; fix bin positioning and colour scale property box updating; ensure proper background colour and visibility of peak lines

+/* -*- 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 2006-2018 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 SV_HORIZONTAL_FREQUENCY_SCALE_H
+#define SV_HORIZONTAL_FREQUENCY_SCALE_H
+
+#include <QRect>
+
+class QPainter;
+class LayerGeometryProvider;
+class HorizontalScaleProvider;
+
+class HorizontalFrequencyScale
+{
+public:
+    int getHeight(LayerGeometryProvider *v, QPainter &paint);
+
+    void paintScale
+    (LayerGeometryProvider *v, const HorizontalScaleProvider *provider,
+     QPainter &paint, QRect r, bool logarithmic);
+};
+
+#endif