mirror of
https://github.com/LMMS/lmms.git
synced 2026-05-16 18:56:48 -04:00
93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
/*
|
|
* Piano.h - declaration of class Piano
|
|
*
|
|
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of LMMS - https://lmms.io
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program (see COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef LMMS_PIANO_H
|
|
#define LMMS_PIANO_H
|
|
|
|
#include "Note.h"
|
|
#include "Model.h"
|
|
|
|
namespace lmms
|
|
{
|
|
|
|
|
|
class InstrumentTrack;
|
|
class MidiEventProcessor;
|
|
|
|
class Piano final : public Model
|
|
{
|
|
public:
|
|
enum class KeyType
|
|
{
|
|
White,
|
|
Black
|
|
} ;
|
|
|
|
Piano(InstrumentTrack* track);
|
|
|
|
void setKeyState(int key, bool state);
|
|
|
|
bool isKeyPressed(int key) const
|
|
{
|
|
return m_pressedKeys[key];
|
|
}
|
|
|
|
void handleKeyPress(int key, int midiVelocity = -1);
|
|
void handleKeyRelease(int key);
|
|
|
|
InstrumentTrack* instrumentTrack() const
|
|
{
|
|
return m_instrumentTrack;
|
|
}
|
|
|
|
MidiEventProcessor* midiEventProcessor() const
|
|
{
|
|
return m_midiEvProc;
|
|
}
|
|
|
|
static bool isWhiteKey(int key);
|
|
static bool isBlackKey(int key);
|
|
|
|
static const unsigned int WhiteKeysPerOctave = 7;
|
|
static const unsigned int BlackKeysPerOctave = 5;
|
|
static const unsigned int NumWhiteKeys = 75;
|
|
static const unsigned int NumBlackKeys = 53;
|
|
|
|
private:
|
|
static bool isValidKey(int key)
|
|
{
|
|
return key >= 0 && key < NumKeys;
|
|
}
|
|
|
|
InstrumentTrack* m_instrumentTrack;
|
|
MidiEventProcessor* m_midiEvProc;
|
|
std::array<bool, NumKeys> m_pressedKeys = {};
|
|
|
|
} ;
|
|
|
|
|
|
} // namespace lmms
|
|
|
|
#endif // LMMS_PIANO_H
|