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/*
|
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============================================================================== |
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|
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This file is part of the JUCE library. |
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Copyright (c) 2013 - Raw Material Software Ltd. |
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|
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Permission is granted to use this software under the terms of either: |
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a) the GPL v2 (or any later version) |
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b) the Affero GPL v3 |
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|
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Details of these licenses can be found at: www.gnu.org/licenses |
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|
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY |
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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|
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------------------------------------------------------------------------------ |
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|
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To release a closed-source product which uses JUCE, commercial licenses are |
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available: visit www.juce.com for more information. |
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|
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============================================================================== |
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*/ |
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|
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#ifndef JUCE_AUDIOPROCESSORPARAMETER_H_INCLUDED |
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#define JUCE_AUDIOPROCESSORPARAMETER_H_INCLUDED |
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//==============================================================================
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/** An abstract base class for parameter objects that can be added to an
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AudioProcessor. |
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@see AudioProcessor::addParameter |
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*/ |
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class JUCE_API AudioProcessorParameter |
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{ |
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public: |
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AudioProcessorParameter() noexcept; |
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/** Destructor. */ |
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virtual ~AudioProcessorParameter(); |
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/** Called by the host to find out the value of this parameter.
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Hosts will expect the value returned to be between 0 and 1.0. |
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|
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This could be called quite frequently, so try to make your code efficient. |
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It's also likely to be called by non-UI threads, so the code in here should |
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be thread-aware. |
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*/ |
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virtual float getValue() const = 0; |
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|
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/** The host will call this method to change the value of one of the filter's parameters.
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The host may call this at any time, including during the audio processing |
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callback, so the filter has to process this very fast and avoid blocking. |
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|
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If you want to set the value of a parameter internally, e.g. from your |
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editor component, then don't call this directly - instead, use the |
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setValueNotifyingHost() method, which will also send a message to |
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the host telling it about the change. If the message isn't sent, the host |
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won't be able to automate your parameters properly. |
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|
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The value passed will be between 0 and 1.0. |
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*/ |
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virtual void setValue (float newValue) = 0; |
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/** Your filter can call this when it needs to change one of its parameters.
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This could happen when the editor or some other internal operation changes |
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a parameter. This method will call the setParameter() method to change the |
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value, and will then send a message to the host telling it about the change. |
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|
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Note that to make sure the host correctly handles automation, you should call |
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the beginChangeGesture() and endChangeGesture() methods to tell the host when |
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the user has started and stopped changing the parameter. |
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*/ |
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void setValueNotifyingHost (float newValue); |
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|
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/** Sends a signal to the host to tell it that the user is about to start changing this
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parameter. |
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This allows the host to know when a parameter is actively being held by the user, and |
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it may use this information to help it record automation. |
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If you call this, it must be matched by a later call to endChangeGesture(). |
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*/ |
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void beginChangeGesture(); |
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/** Tells the host that the user has finished changing this parameter.
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This allows the host to know when a parameter is actively being held by the user, |
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and it may use this information to help it record automation. |
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A call to this method must follow a call to beginChangeGesture(). |
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*/ |
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void endChangeGesture(); |
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|
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/** This should return the default value for this parameter. */ |
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virtual float getDefaultValue() const = 0; |
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|
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/** Returns the name to display for this parameter, which should be made
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to fit within the given string length. |
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*/ |
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virtual String getName (int maximumStringLength) const = 0; |
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/** Some parameters may be able to return a label string for
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their units. For example "Hz" or "%". |
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*/ |
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virtual String getLabel() const = 0; |
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/** Returns the number of discrete interval steps that this parameter's range
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should be quantised into. |
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If you want a continuous range of values, don't override this method, and allow |
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the default implementation to return AudioProcessor::getDefaultNumParameterSteps(). |
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If your parameter is boolean, then you may want to make this return 2. |
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The value that is returned may or may not be used, depending on the host. |
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*/ |
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virtual int getNumSteps() const; |
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/** Returns a textual version of the supplied parameter value.
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The default implementation just returns the floating point value |
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as a string, but this could do anything you need for a custom type |
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of value. |
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*/ |
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virtual String getText (float value, int /*maximumStringLength*/) const; |
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/** Should parse a string and return the appropriate value for it. */ |
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virtual float getValueForText (const String& text) const = 0; |
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/** This can be overridden to tell the host that this parameter operates in the
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reverse direction. |
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(Not all plugin formats or hosts will actually use this information). |
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*/ |
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virtual bool isOrientationInverted() const; |
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|
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/** Returns true if the host can automate this parameter.
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By default, this returns true. |
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*/ |
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virtual bool isAutomatable() const; |
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/** Should return true if this parameter is a "meta" parameter.
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A meta-parameter is a parameter that changes other params. It is used |
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by some hosts (e.g. AudioUnit hosts). |
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By default this returns false. |
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*/ |
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virtual bool isMetaParameter() const; |
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/** Returns the index of this parameter in its parent processor's parameter list. */ |
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int getParameterIndex() const noexcept { return parameterIndex; } |
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private: |
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friend class AudioProcessor; |
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AudioProcessor* processor; |
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int parameterIndex; |
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioProcessorParameter) |
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}; |
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#endif // JUCE_AUDIOPROCESSORPARAMETER_H_INCLUDED
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/*
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============================================================================== |
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|
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This file is part of the juce_core module of the JUCE library. |
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Copyright (c) 2013 - Raw Material Software Ltd. |
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|
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Permission to use, copy, modify, and/or distribute this software for any purpose with |
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or without fee is hereby granted, provided that the above copyright notice and this |
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permission notice appear in all copies. |
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|
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD |
||||
TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN |
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NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
||||
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER |
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IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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|
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------------------------------------------------------------------------------ |
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|
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NOTE! This permissive ISC license applies ONLY to files within the juce_core module! |
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All other JUCE modules are covered by a dual GPL/commercial license, so if you are |
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using any other modules, be sure to check that you also comply with their license. |
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|
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For more details, visit www.juce.com |
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|
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============================================================================== |
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*/ |
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#ifndef JUCE_NORMALISABLERANGE_H_INCLUDED |
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#define JUCE_NORMALISABLERANGE_H_INCLUDED |
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//==============================================================================
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/**
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Represents a mapping between an arbitrary range of values and a |
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normalised 0->1 range. |
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The properties of the mapping also include an optional snapping interval |
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and skew-factor. |
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@see Range |
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*/ |
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template<typename ValueType> |
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class NormalisableRange |
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{ |
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public: |
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/** Creates a continuous range that performs a dummy mapping. */ |
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NormalisableRange() noexcept : start(), end (1), interval(), skew (static_cast<ValueType> (1)) {} |
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/** Creates a copy of another range. */ |
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NormalisableRange (const NormalisableRange& other) noexcept |
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: start (other.start), end (other.end), |
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interval (other.interval), skew (other.skew) |
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{ |
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checkInvariants(); |
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} |
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|
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/** Creates a copy of another range. */ |
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NormalisableRange& operator= (const NormalisableRange& other) noexcept |
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{ |
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start = other.start; |
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end = other.end; |
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interval = other.interval; |
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skew = other.skew; |
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checkInvariants(); |
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return *this; |
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} |
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|
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/** Creates a NormalisableRange with a given range, interval and skew factor. */ |
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NormalisableRange (ValueType rangeStart, |
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ValueType rangeEnd, |
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ValueType intervalValue, |
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ValueType skewFactor) noexcept |
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: start (rangeStart), end (rangeEnd), |
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interval (intervalValue), skew (skewFactor) |
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{ |
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checkInvariants(); |
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} |
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|
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/** Creates a NormalisableRange with a given range and interval, but a dummy skew-factor. */ |
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NormalisableRange (ValueType rangeStart, |
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ValueType rangeEnd, |
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ValueType intervalValue) noexcept |
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: start (rangeStart), end (rangeEnd), |
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interval (intervalValue), skew (static_cast<ValueType> (1)) |
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{ |
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checkInvariants(); |
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} |
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|
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/** Creates a NormalisableRange with a given range, continuous interval, but a dummy skew-factor. */ |
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NormalisableRange (ValueType rangeStart, |
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ValueType rangeEnd) noexcept |
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: start (rangeStart), end (rangeEnd), |
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interval(), skew (static_cast<ValueType> (1)) |
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{ |
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checkInvariants(); |
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} |
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|
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/** Uses the properties of this mapping to convert a non-normalised value to
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its 0->1 representation. |
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*/ |
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ValueType convertTo0to1 (ValueType v) const noexcept |
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{ |
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ValueType proportion = (v - start) / (end - start); |
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if (skew != static_cast<ValueType> (1)) |
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proportion = pow (proportion, skew); |
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return proportion; |
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} |
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|
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/** Uses the properties of this mapping to convert a normalised 0->1 value to
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its full-range representation. |
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*/ |
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ValueType convertFrom0to1 (ValueType proportion) const noexcept |
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{ |
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if (skew != static_cast<ValueType> (1) && proportion > ValueType()) |
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proportion = exp (log (proportion) / skew); |
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return start + (end - start) * proportion; |
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} |
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|
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/** Takes a non-normalised value and snaps it based on the interval property of
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this NormalisedRange. */ |
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ValueType snapToLegalValue (ValueType v) const noexcept |
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{ |
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if (interval > ValueType()) |
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v = start + interval * std::floor ((v - start) / interval + static_cast<ValueType> (0.5)); |
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|
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if (v <= start || end <= start) |
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return start; |
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if (v >= end) |
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return end; |
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return v; |
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} |
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|
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/** The start of the non-normalised range. */ |
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ValueType start; |
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|
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/** The end of the non-normalised range. */ |
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ValueType end; |
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|
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/** The snapping interval that should be used (in non-normalised value). Use 0 for a continuous range. */ |
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ValueType interval; |
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|
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/** An optional skew factor that alters the way values are distribute across the range.
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|
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The skew factor lets you skew the mapping logarithmically so that larger or smaller |
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values are given a larger proportion of the avilable space. |
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|
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A factor of 1.0 has no skewing effect at all. If the factor is < 1.0, the lower end |
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of the range will fill more of the slider's length; if the factor is > 1.0, the upper |
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end of the range will be expanded. |
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*/ |
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ValueType skew; |
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private: |
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void checkInvariants() const |
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{ |
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jassert (end > start); |
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jassert (interval >= ValueType()); |
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jassert (skew > ValueType()); |
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} |
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}; |
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|
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#endif // JUCE_NORMALISABLERANGE_H_INCLUDED
|
@ -0,0 +1,147 @@ |
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/*
|
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============================================================================== |
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|
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This file is part of the juce_core module of the JUCE library. |
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Copyright (c) 2013 - Raw Material Software Ltd. |
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|
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Permission to use, copy, modify, and/or distribute this software for any purpose with |
||||
or without fee is hereby granted, provided that the above copyright notice and this |
||||
permission notice appear in all copies. |
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD |
||||
TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN |
||||
NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
||||
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER |
||||
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
||||
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
||||
|
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------------------------------------------------------------------------------ |
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|
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NOTE! This permissive ISC license applies ONLY to files within the juce_core module! |
||||
All other JUCE modules are covered by a dual GPL/commercial license, so if you are |
||||
using any other modules, be sure to check that you also comply with their license. |
||||
|
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For more details, visit www.juce.com |
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|
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============================================================================== |
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*/ |
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|
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#ifndef JUCE_COMPILERSUPPORT_H_INCLUDED |
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#define JUCE_COMPILERSUPPORT_H_INCLUDED |
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|
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/* This file has some checks to see whether the compiler supports various C++11/14 features,
|
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When these aren't available, the code defines a few workarounds, so that we can still use |
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some of the newer language features like nullptr and noexcept, even on old compilers. |
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*/ |
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|
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//==============================================================================
|
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// GCC
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#if (__cplusplus >= 201103L || defined (__GXX_EXPERIMENTAL_CXX0X__)) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 405 |
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#define JUCE_COMPILER_SUPPORTS_NOEXCEPT 1 |
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#define JUCE_COMPILER_SUPPORTS_NULLPTR 1 |
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#define JUCE_COMPILER_SUPPORTS_MOVE_SEMANTICS 1 |
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|
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#if (__GNUC__ * 100 + __GNUC_MINOR__) >= 407 && ! defined (JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL) |
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#define JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL 1 |
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#endif |
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|
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#if (__GNUC__ * 100 + __GNUC_MINOR__) >= 407 && ! defined (JUCE_DELETED_FUNCTION) |
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#define JUCE_DELETED_FUNCTION = delete |
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#endif |
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|
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#if (__GNUC__ * 100 + __GNUC_MINOR__) >= 406 && ! defined (JUCE_COMPILER_SUPPORTS_LAMBDAS) |
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#define JUCE_COMPILER_SUPPORTS_LAMBDAS 1 |
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#endif |
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#endif |
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|
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//==============================================================================
|
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// Clang
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#if JUCE_CLANG && defined (__has_feature) |
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#if __has_feature (cxx_nullptr) |
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#define JUCE_COMPILER_SUPPORTS_NULLPTR 1 |
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#endif |
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|
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#if __has_feature (cxx_noexcept) |
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#define JUCE_COMPILER_SUPPORTS_NOEXCEPT 1 |
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#endif |
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|
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#if __has_feature (cxx_rvalue_references) |
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#define JUCE_COMPILER_SUPPORTS_MOVE_SEMANTICS 1 |
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#endif |
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|
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#if __has_feature (cxx_deleted_functions) |
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#define JUCE_DELETED_FUNCTION = delete |
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#endif |
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|
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#if __has_feature (cxx_lambdas) \ |
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&& ((JUCE_MAC && defined (MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_8) \
|
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|| (JUCE_IOS && defined (__IPHONE_7_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_7_0) \
|
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|| ! (JUCE_MAC || JUCE_IOS)) |
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#define JUCE_COMPILER_SUPPORTS_LAMBDAS 1 |
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#endif |
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|
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#ifndef JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL |
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#define JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL 1 |
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#endif |
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|
||||
#ifndef JUCE_COMPILER_SUPPORTS_ARC |
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#define JUCE_COMPILER_SUPPORTS_ARC 1 |
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#endif |
||||
#endif |
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|
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//==============================================================================
|
||||
// MSVC
|
||||
#ifdef _MSC_VER |
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#if _MSC_VER >= 1600 |
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#define JUCE_COMPILER_SUPPORTS_NULLPTR 1 |
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#define JUCE_COMPILER_SUPPORTS_MOVE_SEMANTICS 1 |
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#endif |
||||
|
||||
#if _MSC_VER >= 1700 |
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#define JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL 1 |
||||
#define JUCE_COMPILER_SUPPORTS_LAMBDAS 1 |
||||
#endif |
||||
|
||||
#if _MSC_VER >= 1900 |
||||
#define JUCE_COMPILER_SUPPORTS_NOEXCEPT 1 |
||||
#define JUCE_DELETED_FUNCTION = delete |
||||
#endif |
||||
#endif |
||||
|
||||
//==============================================================================
|
||||
// Declare some fake versions of nullptr and noexcept, for older compilers:
|
||||
|
||||
#ifndef JUCE_DELETED_FUNCTION |
||||
/** This macro can be placed after a method declaration to allow the use of
|
||||
the C++11 feature "= delete" on all compilers. |
||||
On newer compilers that support it, it does the C++11 "= delete", but on |
||||
older ones it's just an empty definition. |
||||
*/ |
||||
#define JUCE_DELETED_FUNCTION |
||||
#endif |
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|
||||
#if ! DOXYGEN |
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#if ! JUCE_COMPILER_SUPPORTS_NOEXCEPT |
||||
#ifdef noexcept |
||||
#undef noexcept |
||||
#endif |
||||
#define noexcept throw() |
||||
#if defined (_MSC_VER) && _MSC_VER > 1600 |
||||
#define _ALLOW_KEYWORD_MACROS 1 // (to stop VC2012 complaining)
|
||||
#endif |
||||
#endif |
||||
|
||||
#if ! JUCE_COMPILER_SUPPORTS_NULLPTR |
||||
#ifdef nullptr |
||||
#undef nullptr |
||||
#endif |
||||
#define nullptr (0) |
||||
#endif |
||||
|
||||
#if ! JUCE_COMPILER_SUPPORTS_OVERRIDE_AND_FINAL |
||||
#undef override |
||||
#define override |
||||
#endif |
||||
#endif |
||||
|
||||
#endif // JUCE_COMPILERSUPPORT_H_INCLUDED
|
@ -0,0 +1,59 @@ |
||||
/*
|
||||
============================================================================== |
||||
|
||||
This file is part of the JUCE library. |
||||
Copyright (c) 2013 - Raw Material Software Ltd. |
||||
|
||||
Permission is granted to use this software under the terms of either: |
||||
a) the GPL v2 (or any later version) |
||||
b) the Affero GPL v3 |
||||
|
||||
Details of these licenses can be found at: www.gnu.org/licenses |
||||
|
||||
JUCE 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. |
||||
|
||||
------------------------------------------------------------------------------ |
||||
|
||||
To release a closed-source product which uses JUCE, commercial licenses are |
||||
available: visit www.juce.com for more information. |
||||
|
||||
============================================================================== |
||||
*/ |
||||
|
||||
#ifndef JUCE_MOUNTEDVOLUMELISTCHANGEDETECTOR_H_INCLUDED |
||||
#define JUCE_MOUNTEDVOLUMELISTCHANGEDETECTOR_H_INCLUDED |
||||
|
||||
#if JUCE_MAC || JUCE_WINDOWS || defined (DOXYGEN) |
||||
|
||||
//==============================================================================
|
||||
/**
|
||||
An instance of this class will provide callbacks when drives are |
||||
mounted or unmounted on the system. |
||||
|
||||
Just inherit from this class and implement the pure virtual method |
||||
to get the callbacks, there's no need to do anything else. |
||||
|
||||
@see File::findFileSystemRoots() |
||||
*/ |
||||
class JUCE_API MountedVolumeListChangeDetector |
||||
{ |
||||
public: |
||||
MountedVolumeListChangeDetector(); |
||||
virtual ~MountedVolumeListChangeDetector(); |
||||
|
||||
/** This method is called when a volume is mounted or unmounted. */ |
||||
virtual void mountedVolumeListChanged() = 0; |
||||
|
||||
private: |
||||
JUCE_PUBLIC_IN_DLL_BUILD (struct Pimpl) |
||||
friend struct ContainerDeletePolicy<Pimpl>; |
||||
ScopedPointer<Pimpl> pimpl; |
||||
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MountedVolumeListChangeDetector) |
||||
}; |
||||
|
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#endif |
||||
|
||||
#endif // JUCE_MOUNTEDVOLUMELISTCHANGEDETECTOR_H_INCLUDED
|
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