25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
387 lines
14 KiB
C++
387 lines
14 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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MPEZoneLayout::MPEZoneLayout() noexcept {}
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MPEZoneLayout::MPEZoneLayout (const MPEZoneLayout& other)
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: lowerZone (other.lowerZone),
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upperZone (other.upperZone)
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{
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}
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MPEZoneLayout& MPEZoneLayout::operator= (const MPEZoneLayout& other)
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{
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lowerZone = other.lowerZone;
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upperZone = other.upperZone;
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sendLayoutChangeMessage();
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return *this;
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}
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void MPEZoneLayout::sendLayoutChangeMessage()
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{
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listeners.call ([this] (Listener& l) { l.zoneLayoutChanged (*this); });
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}
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//==============================================================================
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void MPEZoneLayout::setZone (bool isLower, int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange) noexcept
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{
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checkAndLimitZoneParameters (0, 15, numMemberChannels);
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checkAndLimitZoneParameters (0, 96, perNotePitchbendRange);
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checkAndLimitZoneParameters (0, 96, masterPitchbendRange);
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if (isLower)
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lowerZone = { true, numMemberChannels, perNotePitchbendRange, masterPitchbendRange };
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else
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upperZone = { false, numMemberChannels, perNotePitchbendRange, masterPitchbendRange };
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if (numMemberChannels > 0)
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{
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auto totalChannels = lowerZone.numMemberChannels + upperZone.numMemberChannels;
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if (totalChannels >= 15)
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{
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if (isLower)
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upperZone.numMemberChannels = 14 - numMemberChannels;
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else
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lowerZone.numMemberChannels = 14 - numMemberChannels;
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}
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}
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sendLayoutChangeMessage();
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}
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void MPEZoneLayout::setLowerZone (int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange) noexcept
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{
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setZone (true, numMemberChannels, perNotePitchbendRange, masterPitchbendRange);
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}
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void MPEZoneLayout::setUpperZone (int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange) noexcept
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{
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setZone (false, numMemberChannels, perNotePitchbendRange, masterPitchbendRange);
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}
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void MPEZoneLayout::clearAllZones()
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{
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lowerZone = { true, 0 };
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upperZone = { false, 0 };
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sendLayoutChangeMessage();
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}
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//==============================================================================
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void MPEZoneLayout::processNextMidiEvent (const MidiMessage& message)
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{
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if (! message.isController())
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return;
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MidiRPNMessage rpn;
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if (rpnDetector.parseControllerMessage (message.getChannel(),
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message.getControllerNumber(),
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message.getControllerValue(),
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rpn))
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{
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processRpnMessage (rpn);
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}
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}
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void MPEZoneLayout::processRpnMessage (MidiRPNMessage rpn)
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{
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if (rpn.parameterNumber == MPEMessages::zoneLayoutMessagesRpnNumber)
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processZoneLayoutRpnMessage (rpn);
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else if (rpn.parameterNumber == 0)
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processPitchbendRangeRpnMessage (rpn);
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}
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void MPEZoneLayout::processZoneLayoutRpnMessage (MidiRPNMessage rpn)
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{
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if (rpn.value < 16)
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{
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if (rpn.channel == 1)
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setLowerZone (rpn.value);
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else if (rpn.channel == 16)
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setUpperZone (rpn.value);
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}
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}
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void MPEZoneLayout::updateMasterPitchbend (Zone& zone, int value)
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{
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if (zone.masterPitchbendRange != value)
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{
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checkAndLimitZoneParameters (0, 96, zone.masterPitchbendRange);
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zone.masterPitchbendRange = value;
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sendLayoutChangeMessage();
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}
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}
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void MPEZoneLayout::updatePerNotePitchbendRange (Zone& zone, int value)
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{
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if (zone.perNotePitchbendRange != value)
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{
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checkAndLimitZoneParameters (0, 96, zone.perNotePitchbendRange);
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zone.perNotePitchbendRange = value;
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sendLayoutChangeMessage();
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}
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}
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void MPEZoneLayout::processPitchbendRangeRpnMessage (MidiRPNMessage rpn)
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{
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if (rpn.channel == 1)
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{
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updateMasterPitchbend (lowerZone, rpn.value);
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}
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else if (rpn.channel == 16)
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{
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updateMasterPitchbend (upperZone, rpn.value);
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}
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else
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{
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if (lowerZone.isUsingChannelAsMemberChannel (rpn.channel))
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updatePerNotePitchbendRange (lowerZone, rpn.value);
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else if (upperZone.isUsingChannelAsMemberChannel (rpn.channel))
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updatePerNotePitchbendRange (upperZone, rpn.value);
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}
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}
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void MPEZoneLayout::processNextMidiBuffer (const MidiBuffer& buffer)
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{
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for (const auto metadata : buffer)
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processNextMidiEvent (metadata.getMessage());
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}
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//==============================================================================
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void MPEZoneLayout::addListener (Listener* const listenerToAdd) noexcept
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{
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listeners.add (listenerToAdd);
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}
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void MPEZoneLayout::removeListener (Listener* const listenerToRemove) noexcept
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{
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listeners.remove (listenerToRemove);
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}
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//==============================================================================
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void MPEZoneLayout::checkAndLimitZoneParameters (int minValue, int maxValue,
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int& valueToCheckAndLimit) noexcept
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{
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if (valueToCheckAndLimit < minValue || valueToCheckAndLimit > maxValue)
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{
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// if you hit this, one of the parameters you supplied for this zone
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// was not within the allowed range!
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// we fit this back into the allowed range here to maintain a valid
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// state for the zone, but probably the resulting zone is not what you
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// wanted it to be!
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jassertfalse;
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valueToCheckAndLimit = jlimit (minValue, maxValue, valueToCheckAndLimit);
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}
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}
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//==============================================================================
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//==============================================================================
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#if JUCE_UNIT_TESTS
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class MPEZoneLayoutTests : public UnitTest
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{
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public:
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MPEZoneLayoutTests()
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: UnitTest ("MPEZoneLayout class", UnitTestCategories::midi)
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{}
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void runTest() override
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{
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beginTest ("initialisation");
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{
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MPEZoneLayout layout;
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expect (! layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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}
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beginTest ("adding zones");
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{
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MPEZoneLayout layout;
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layout.setLowerZone (7);
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expect (layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 7);
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layout.setUpperZone (7);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 7);
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expectEquals (layout.getUpperZone().getMasterChannel(), 16);
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expectEquals (layout.getUpperZone().numMemberChannels, 7);
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layout.setLowerZone (3);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 3);
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expectEquals (layout.getUpperZone().getMasterChannel(), 16);
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expectEquals (layout.getUpperZone().numMemberChannels, 7);
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layout.setUpperZone (3);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 3);
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expectEquals (layout.getUpperZone().getMasterChannel(), 16);
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expectEquals (layout.getUpperZone().numMemberChannels, 3);
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layout.setLowerZone (15);
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expect (layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 15);
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}
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beginTest ("clear all zones");
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{
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MPEZoneLayout layout;
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expect (! layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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layout.setLowerZone (7);
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layout.setUpperZone (2);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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layout.clearAllZones();
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expect (! layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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}
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beginTest ("process MIDI buffers");
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{
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MPEZoneLayout layout;
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MidiBuffer buffer;
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buffer = MPEMessages::setLowerZone (7);
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layout.processNextMidiBuffer (buffer);
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expect (layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 7);
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buffer = MPEMessages::setUpperZone (7);
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layout.processNextMidiBuffer (buffer);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 7);
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expectEquals (layout.getUpperZone().getMasterChannel(), 16);
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expectEquals (layout.getUpperZone().numMemberChannels, 7);
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{
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buffer = MPEMessages::setLowerZone (10);
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layout.processNextMidiBuffer (buffer);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 10);
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expectEquals (layout.getUpperZone().getMasterChannel(), 16);
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expectEquals (layout.getUpperZone().numMemberChannels, 4);
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buffer = MPEMessages::setLowerZone (10, 33, 44);
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layout.processNextMidiBuffer (buffer);
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expectEquals (layout.getLowerZone().numMemberChannels, 10);
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expectEquals (layout.getLowerZone().perNotePitchbendRange, 33);
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expectEquals (layout.getLowerZone().masterPitchbendRange, 44);
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}
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{
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buffer = MPEMessages::setUpperZone (10);
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layout.processNextMidiBuffer (buffer);
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expect (layout.getLowerZone().isActive());
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expect (layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 4);
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expectEquals (layout.getUpperZone().getMasterChannel(), 16);
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expectEquals (layout.getUpperZone().numMemberChannels, 10);
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buffer = MPEMessages::setUpperZone (10, 33, 44);
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layout.processNextMidiBuffer (buffer);
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expectEquals (layout.getUpperZone().numMemberChannels, 10);
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expectEquals (layout.getUpperZone().perNotePitchbendRange, 33);
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expectEquals (layout.getUpperZone().masterPitchbendRange, 44);
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}
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buffer = MPEMessages::clearAllZones();
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layout.processNextMidiBuffer (buffer);
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expect (! layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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}
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beginTest ("process individual MIDI messages");
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{
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MPEZoneLayout layout;
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layout.processNextMidiEvent ({ 0x80, 0x59, 0xd0 }); // unrelated note-off msg
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layout.processNextMidiEvent ({ 0xb0, 0x64, 0x06 }); // RPN part 1
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layout.processNextMidiEvent ({ 0xb0, 0x65, 0x00 }); // RPN part 2
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layout.processNextMidiEvent ({ 0xb8, 0x0b, 0x66 }); // unrelated CC msg
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layout.processNextMidiEvent ({ 0xb0, 0x06, 0x03 }); // RPN part 3
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layout.processNextMidiEvent ({ 0x90, 0x60, 0x00 }); // unrelated note-on msg
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expect (layout.getLowerZone().isActive());
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expect (! layout.getUpperZone().isActive());
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expectEquals (layout.getLowerZone().getMasterChannel(), 1);
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expectEquals (layout.getLowerZone().numMemberChannels, 3);
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expectEquals (layout.getLowerZone().perNotePitchbendRange, 48);
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expectEquals (layout.getLowerZone().masterPitchbendRange, 2);
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}
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}
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};
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static MPEZoneLayoutTests MPEZoneLayoutUnitTests;
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#endif
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} // namespace juce
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