63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
|
|
* Copyright (C) 2008-2016 David Robillard <d@drobilla.net>
|
|
*
|
|
* 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; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef EVORAL_TYPE_MAP_HPP
|
|
#define EVORAL_TYPE_MAP_HPP
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <string>
|
|
|
|
#include "evoral/visibility.h"
|
|
#include "evoral/types.h"
|
|
|
|
namespace Evoral {
|
|
|
|
class Parameter;
|
|
struct ParameterDescriptor;
|
|
|
|
/** The applications passes one of these which provide the implementation
|
|
* with required information about event types in an opaque, type neutral way
|
|
*/
|
|
class /*LIBEVORAL_API*/ TypeMap {
|
|
public:
|
|
virtual ~TypeMap() {}
|
|
|
|
/** Return true iff the type is a MIDI event.
|
|
* The contents of the event will be used for specific ID
|
|
*/
|
|
virtual bool type_is_midi(uint32_t type) const = 0;
|
|
|
|
/** Return the MIDI type (ie status byte with channel 0) for a
|
|
* parameter, or 0 if parameter can not be expressed as a MIDI event
|
|
*/
|
|
virtual uint8_t parameter_midi_type(const Parameter& param) const = 0;
|
|
|
|
/** The parameter type for the given MIDI event. */
|
|
virtual ParameterType midi_parameter_type(const uint8_t* buf, uint32_t len) const = 0;
|
|
|
|
/** Return the description of a parameter. */
|
|
virtual ParameterDescriptor descriptor(const Parameter& param) const = 0;
|
|
|
|
virtual std::string to_symbol(const Parameter& param) const = 0;
|
|
};
|
|
|
|
} // namespace Evoral
|
|
|
|
#endif // EVORAL_TYPE_MAP_HPP
|