lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006-2007 Chris Cannam and QMUL.
lbajardsilogic@0:    
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _PAINT_ASSISTANT_H_
lbajardsilogic@0: #define _PAINT_ASSISTANT_H_
lbajardsilogic@0: 
lbajardsilogic@0: #include <QRect>
lbajardsilogic@0: #include <vector>
lbajardsilogic@0: 
lbajardsilogic@0: class QPainter;
lbajardsilogic@0: 
lbajardsilogic@0: class PaintAssistant
lbajardsilogic@0: {
lbajardsilogic@0: public:
lbajardsilogic@0:     enum Scale { LinearScale, MeterScale, dBScale };
lbajardsilogic@0: 
lbajardsilogic@0:     static void paintVerticalLevelScale(QPainter &p, QRect rect,
lbajardsilogic@0:                                         float minVal, float maxVal,
lbajardsilogic@0:                                         Scale scale, int &multRtn,
lbajardsilogic@0:                                         std::vector<int> *markCoordRtns = 0);
lbajardsilogic@0: 
lbajardsilogic@0:     static int getYForValue(Scale scale, float value,
lbajardsilogic@0:                             float minVal, float maxVal,
lbajardsilogic@0:                             int minY, int height);
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif