annotate layer/ColourMapper.h @ 561:aced8ec09bc8
* Complete the overhaul of CSV file import; now you can pick the purpose for
each column in the file, and SV should do the rest. The most significant
practical improvement here is that we can now handle files in which time
and duration do not necessarily appear in known columns.
author |
Chris Cannam |
date |
Mon, 19 Jul 2010 17:08:56 +0000 |
parents |
aca01b3af29f |
children |
a1226b3b7925 |
rev |
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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 HighGain
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48 };
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49
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50 int getMap() const { return m_map; }
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51 float getMinValue() const { return m_min; }
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52 float getMaxValue() const { return m_max; }
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53
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54 static int getColourMapCount();
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55 static QString getColourMapName(int n);
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56
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57 QColor map(float value) const;
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58
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59 QColor getContrastingColour() const; // for cursors etc
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60 bool hasLightBackground() const;
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61
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62 protected:
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63 int m_map;
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64 float m_min;
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65 float m_max;
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66 };
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67
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68 #endif
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69
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