svgui
1.9
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ 00002 00003 /* 00004 Sonic Visualiser 00005 An audio file viewer and annotation editor. 00006 Centre for Digital Music, Queen Mary, University of London. 00007 This file copyright 2006-2007 Chris Cannam and QMUL. 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License as 00011 published by the Free Software Foundation; either version 2 of the 00012 License, or (at your option) any later version. See the file 00013 COPYING included with this distribution for more information. 00014 */ 00015 00016 #ifndef _COLOUR_MAPPER_H_ 00017 #define _COLOUR_MAPPER_H_ 00018 00019 #include <QObject> 00020 #include <QColor> 00021 #include <QString> 00022 00027 class ColourMapper : public QObject 00028 { 00029 Q_OBJECT 00030 00031 public: 00032 ColourMapper(int map, float minValue, float maxValue); 00033 virtual ~ColourMapper(); 00034 00035 enum StandardMap { 00036 DefaultColours, 00037 Sunset, 00038 WhiteOnBlack, 00039 BlackOnWhite, 00040 RedOnBlue, 00041 YellowOnBlack, 00042 BlueOnBlack, 00043 FruitSalad, 00044 Banded, 00045 Highlight, 00046 Printer, 00047 HighGain 00048 }; 00049 00050 int getMap() const { return m_map; } 00051 float getMinValue() const { return m_min; } 00052 float getMaxValue() const { return m_max; } 00053 00054 static int getColourMapCount(); 00055 static QString getColourMapName(int n); 00056 00057 QColor map(float value) const; 00058 00059 QColor getContrastingColour() const; // for cursors etc 00060 bool hasLightBackground() const; 00061 00062 protected: 00063 int m_map; 00064 float m_min; 00065 float m_max; 00066 }; 00067 00068 #endif 00069