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JUCE/modules/juce_audio_processors/utilities/juce_AudioParameterBool.cpp
2024-04-16 11:39:35 +01:00

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/*
==============================================================================
This file is part of the JUCE framework.
Copyright (c) Raw Material Software Limited
JUCE is an open source framework subject to commercial or open source
licensing.
By downloading, installing, or using the JUCE framework, or combining the
JUCE framework with any other source code, object code, content or any other
copyrightable work, you agree to the terms of the JUCE End User Licence
Agreement, and all incorporated terms including the JUCE Privacy Policy and
the JUCE Website Terms of Service, as applicable, which will bind you. If you
do not agree to the terms of these agreements, we will not license the JUCE
framework to you, and you must discontinue the installation or download
process and cease use of the JUCE framework.
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
Or:
You may also use this code under the terms of the AGPLv3:
https://www.gnu.org/licenses/agpl-3.0.en.html
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
namespace juce
{
AudioParameterBool::AudioParameterBool (const ParameterID& idToUse,
const String& nameToUse,
bool def,
const AudioParameterBoolAttributes& attributes)
: RangedAudioParameter (idToUse, nameToUse, attributes.getAudioProcessorParameterWithIDAttributes()),
value (def ? 1.0f : 0.0f),
valueDefault (def),
stringFromBoolFunction (attributes.getStringFromValueFunction() != nullptr
? attributes.getStringFromValueFunction()
: [] (bool v, int) { return v ? TRANS ("On") : TRANS ("Off"); }),
boolFromStringFunction (attributes.getValueFromStringFunction() != nullptr
? attributes.getValueFromStringFunction()
: [] (const String& text)
{
static const StringArray onStrings { TRANS ("on"), TRANS ("yes"), TRANS ("true") };
static const StringArray offStrings { TRANS ("off"), TRANS ("no"), TRANS ("false") };
String lowercaseText (text.toLowerCase());
for (auto& testText : onStrings)
if (lowercaseText == testText)
return true;
for (auto& testText : offStrings)
if (lowercaseText == testText)
return false;
return text.getIntValue() != 0;
})
{
}
AudioParameterBool::~AudioParameterBool()
{
#if __cpp_lib_atomic_is_always_lock_free
static_assert (std::atomic<float>::is_always_lock_free,
"AudioParameterBool requires a lock-free std::atomic<float>");
#endif
}
float AudioParameterBool::getValue() const { return value; }
void AudioParameterBool::setValue (float newValue) { value = newValue; valueChanged (get()); }
float AudioParameterBool::getDefaultValue() const { return valueDefault; }
int AudioParameterBool::getNumSteps() const { return 2; }
bool AudioParameterBool::isDiscrete() const { return true; }
bool AudioParameterBool::isBoolean() const { return true; }
void AudioParameterBool::valueChanged (bool) {}
float AudioParameterBool::getValueForText (const String& text) const
{
return boolFromStringFunction (text) ? 1.0f : 0.0f;
}
String AudioParameterBool::getText (float v, int maximumLength) const
{
return stringFromBoolFunction (v >= 0.5f, maximumLength);
}
AudioParameterBool& AudioParameterBool::operator= (bool newValue)
{
if (get() != newValue)
setValueNotifyingHost (newValue ? 1.0f : 0.0f);
return *this;
}
} // namespace juce