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104 lines
2.5 KiB
104 lines
2.5 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _RG_VELOCITYCOLOUR_H_
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#define _RG_VELOCITYCOLOUR_H_
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#include <tqcolor.h>
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namespace Rosegarden
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{
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/**
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* Returns a TQColour according to a formula. We provide three colours
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* to mix, a maximum value and three knees at which points the
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* intermediate colours max out. Play around to your satisfaction.
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*/
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class VelocityColour
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{
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public:
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VelocityColour(const TQColor &loud,
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const TQColor &medium,
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const TQColor &quiet,
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int maxValue,
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int loudKnee,
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int mediumKnee,
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int quietKnee);
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~VelocityColour();
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const TQColor& getColour(int value);
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int getLoudKnee() const { return m_loudKnee; }
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int getMediumKnee() const { return m_mediumKnee; }
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int getQuietKnee() const { return m_quietKnee; }
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TQColor getLoudColour() const { return m_loudColour; }
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TQColor getMediumColour() const { return m_mediumColour; }
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TQColor getQuietColour() const { return m_quietColour; }
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int getMaxValue() const { return m_maxValue; }
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private:
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TQColor m_loudColour;
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TQColor m_mediumColour;
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TQColor m_quietColour;
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int m_loudKnee;
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int m_mediumKnee;
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int m_quietKnee;
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int m_maxValue;
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// the mixed colour that we can return
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TQColor m_mixedColour;
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int m_loStartRed;
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int m_loStartGreen;
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int m_loStartBlue;
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int m_loStepRed;
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int m_loStepGreen;
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int m_loStepBlue;
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int m_hiStartRed;
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int m_hiStartGreen;
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int m_hiStartBlue;
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int m_hiStepRed;
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int m_hiStepGreen;
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int m_hiStepBlue;
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int m_multiplyFactor;
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};
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}
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#endif
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