Mercurial > hg > svgui
view layer/ColourDatabase.h @ 1283:6e35062fc10a
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author | Chris Cannam |
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date | Tue, 08 May 2018 14:07:22 +0100 |
parents | e1a9e478b7f2 |
children | 05d614f6e46d |
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/* -*- 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 2007 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 _COLOUR_DATABASE_H_ #define _COLOUR_DATABASE_H_ #include <QObject> #include <QString> #include <QColor> #include <QSize> #include <QPixmap> #include <vector> class ColourDatabase : public QObject { Q_OBJECT public: static ColourDatabase *getInstance(); int getColourCount() const; QString getColourName(int c) const; QColor getColour(int c) const; QColor getColour(QString name) const; int getColourIndex(QString name) const; // -1 -> not found int getColourIndex(QColor c) const; // returns first index of possibly many bool haveColour(QColor c) const; bool useDarkBackground(int c) const; void setUseDarkBackground(int c, bool dark); int addColour(QColor, QString); // returns index void removeColour(QString); // returned colour is not necessarily in database QColor getContrastingColour(int c) const; // for use in XML export void getStringValues(int index, QString &colourName, QString &colourSpec, QString &darkbg) const; // for use in XML import int putStringValues(QString colourName, QString colourSpec, QString darkbg); // for use by PropertyContainer getPropertyRangeAndValue methods void getColourPropertyRange(int *min, int *max) const; QPixmap getExamplePixmap(int index, QSize size) const; signals: void colourDatabaseChanged(); protected: ColourDatabase(); struct ColourRec { QColor colour; QString name; bool darkbg; }; typedef std::vector<ColourRec> ColourList; ColourList m_colours; static ColourDatabase m_instance; }; #endif