annotate base/ColourMapper.h @ 283:7336fe3a7caa
* Fix failure to properly load from text files with old-style Mac line endings
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Chris Cannam |
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Thu, 09 Aug 2007 10:06:02 +0000 |
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3b8008d09541 |
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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006-2007 Chris Cannam and QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _COLOUR_MAPPER_H_
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17 #define _COLOUR_MAPPER_H_
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18
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19 #include <QObject>
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20 #include <QColor>
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21 #include <QString>
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22
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23 /**
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24 * A class for mapping intensity values onto various colour maps.
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25 */
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26
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27 class ColourMapper : public QObject
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28 {
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29 Q_OBJECT
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30
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31 public:
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32 ColourMapper(int map, float minValue, float maxValue);
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33 virtual ~ColourMapper();
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34
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35 enum StandardMap {
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36 DefaultColours,
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37 Sunset,
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38 WhiteOnBlack,
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39 BlackOnWhite,
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40 RedOnBlue,
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41 YellowOnBlack,
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42 BlueOnBlack,
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43 FruitSalad,
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44 Banded,
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45 Highlight,
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46 Printer
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47 };
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48
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49 int getMap() const { return m_map; }
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50 float getMinValue() const { return m_min; }
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51 float getMaxValue() const { return m_max; }
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52
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53 static int getColourMapCount();
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54 static QString getColourMapName(int n);
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55
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56 QColor map(float value) const;
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57
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58 QColor getContrastingColour() const; // for cursors etc
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59 bool hasLightBackground() const;
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60
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61 protected:
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62 int m_map;
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63 float m_min;
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64 float m_max;
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65 };
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66
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67 #endif
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68
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