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livetrax/libs/evoral/evoral/ParameterDescriptor.h

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/*
* Copyright (C) 2014 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_PARAMETER_DESCRIPTOR_HPP
#define EVORAL_PARAMETER_DESCRIPTOR_HPP
namespace Evoral {
/** Description of the value range of a parameter or control. */
struct ParameterDescriptor
{
ParameterDescriptor()
: normal(0.0)
, lower(0.0)
, upper(1.0)
, toggled(false)
, logarithmic(false)
, rangesteps (0)
{}
float normal; ///< Default value
float lower; ///< Minimum value (in Hz, for frequencies)
float upper; ///< Maximum value (in Hz, for frequencies)
bool toggled; ///< True iff parameter is boolean
bool logarithmic; ///< True for log-scale parameters
unsigned int rangesteps; ///< number of steps, [min,max] (inclusive). <= 1 means continuous. == 2 only min, max. For integer controls this is usually (1 + max - min)
};
} // namespace Evoral
#endif // EVORAL_PARAMETER_DESCRIPTOR_HPP