509 lines
17 KiB
C++
509 lines
17 KiB
C++
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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) 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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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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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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#include <JuceHeader.h>
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#include "../UI/MainHostWindow.h"
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#include "PluginGraph.h"
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#include "InternalPlugins.h"
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#include "../UI/GraphEditorPanel.h"
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static std::unique_ptr<ScopedDPIAwarenessDisabler> makeDPIAwarenessDisablerForPlugin (const PluginDescription& desc)
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{
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return shouldAutoScalePlugin (desc) ? std::make_unique<ScopedDPIAwarenessDisabler>()
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: nullptr;
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}
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//==============================================================================
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PluginGraph::PluginGraph (AudioPluginFormatManager& fm, KnownPluginList& kpl)
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: FileBasedDocument (getFilenameSuffix(),
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getFilenameWildcard(),
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"Load a graph",
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"Save a graph"),
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formatManager (fm),
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knownPlugins (kpl)
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{
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newDocument();
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graph.addListener (this);
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}
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PluginGraph::~PluginGraph()
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{
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graph.removeListener (this);
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graph.removeChangeListener (this);
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graph.clear();
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}
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PluginGraph::NodeID PluginGraph::getNextUID() noexcept
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{
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return PluginGraph::NodeID (++(lastUID.uid));
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}
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//==============================================================================
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void PluginGraph::changeListenerCallback (ChangeBroadcaster*)
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{
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changed();
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for (int i = activePluginWindows.size(); --i >= 0;)
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if (! graph.getNodes().contains (activePluginWindows.getUnchecked(i)->node))
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activePluginWindows.remove (i);
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}
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AudioProcessorGraph::Node::Ptr PluginGraph::getNodeForName (const String& name) const
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{
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for (auto* node : graph.getNodes())
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if (auto p = node->getProcessor())
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if (p->getName().equalsIgnoreCase (name))
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return node;
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return nullptr;
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}
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void PluginGraph::addPlugin (const PluginDescription& desc, Point<double> pos)
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{
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std::shared_ptr<ScopedDPIAwarenessDisabler> dpiDisabler = makeDPIAwarenessDisablerForPlugin (desc);
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formatManager.createPluginInstanceAsync (desc,
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graph.getSampleRate(),
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graph.getBlockSize(),
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[this, pos, dpiDisabler] (std::unique_ptr<AudioPluginInstance> instance, const String& error)
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{
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addPluginCallback (std::move (instance), error, pos);
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});
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}
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void PluginGraph::addPluginCallback (std::unique_ptr<AudioPluginInstance> instance,
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const String& error, Point<double> pos)
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{
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if (instance == nullptr)
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{
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AlertWindow::showMessageBoxAsync (MessageBoxIconType::WarningIcon,
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TRANS("Couldn't create plugin"),
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error);
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}
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else
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{
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instance->enableAllBuses();
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if (auto node = graph.addNode (std::move (instance)))
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{
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node->properties.set ("x", pos.x);
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node->properties.set ("y", pos.y);
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changed();
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}
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}
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}
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void PluginGraph::setNodePosition (NodeID nodeID, Point<double> pos)
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{
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if (auto* n = graph.getNodeForId (nodeID))
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{
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n->properties.set ("x", jlimit (0.0, 1.0, pos.x));
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n->properties.set ("y", jlimit (0.0, 1.0, pos.y));
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}
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}
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Point<double> PluginGraph::getNodePosition (NodeID nodeID) const
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{
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if (auto* n = graph.getNodeForId (nodeID))
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return { static_cast<double> (n->properties ["x"]),
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static_cast<double> (n->properties ["y"]) };
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return {};
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}
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//==============================================================================
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void PluginGraph::clear()
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{
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closeAnyOpenPluginWindows();
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graph.clear();
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changed();
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}
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PluginWindow* PluginGraph::getOrCreateWindowFor (AudioProcessorGraph::Node* node, PluginWindow::Type type)
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{
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jassert (node != nullptr);
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#if JUCE_IOS || JUCE_ANDROID
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closeAnyOpenPluginWindows();
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#else
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for (auto* w : activePluginWindows)
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if (w->node.get() == node && w->type == type)
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return w;
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#endif
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if (auto* processor = node->getProcessor())
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{
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if (auto* plugin = dynamic_cast<AudioPluginInstance*> (processor))
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{
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auto description = plugin->getPluginDescription();
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if (! plugin->hasEditor() && description.pluginFormatName == "Internal")
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{
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getCommandManager().invokeDirectly (CommandIDs::showAudioSettings, false);
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return nullptr;
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}
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auto localDpiDisabler = makeDPIAwarenessDisablerForPlugin (description);
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return activePluginWindows.add (new PluginWindow (node, type, activePluginWindows));
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}
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}
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return nullptr;
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}
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bool PluginGraph::closeAnyOpenPluginWindows()
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{
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bool wasEmpty = activePluginWindows.isEmpty();
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activePluginWindows.clear();
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return ! wasEmpty;
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}
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//==============================================================================
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String PluginGraph::getDocumentTitle()
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{
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if (! getFile().exists())
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return "Unnamed";
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return getFile().getFileNameWithoutExtension();
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}
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void PluginGraph::newDocument()
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{
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clear();
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setFile ({});
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graph.removeChangeListener (this);
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InternalPluginFormat internalFormat;
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jassert (internalFormat.getAllTypes().size() > 3);
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addPlugin (internalFormat.getAllTypes()[0], { 0.5, 0.1 });
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addPlugin (internalFormat.getAllTypes()[1], { 0.25, 0.1 });
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addPlugin (internalFormat.getAllTypes()[2], { 0.5, 0.9 });
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addPlugin (internalFormat.getAllTypes()[3], { 0.25, 0.9 });
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MessageManager::callAsync ([this]
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{
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setChangedFlag (false);
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graph.addChangeListener (this);
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});
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}
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Result PluginGraph::loadDocument (const File& file)
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{
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if (auto xml = parseXMLIfTagMatches (file, "FILTERGRAPH"))
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{
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graph.removeChangeListener (this);
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restoreFromXml (*xml);
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MessageManager::callAsync ([this]
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{
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setChangedFlag (false);
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graph.addChangeListener (this);
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});
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return Result::ok();
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}
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return Result::fail ("Not a valid graph file");
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}
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Result PluginGraph::saveDocument (const File& file)
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{
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auto xml = createXml();
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if (! xml->writeTo (file, {}))
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return Result::fail ("Couldn't write to the file");
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return Result::ok();
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}
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File PluginGraph::getLastDocumentOpened()
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{
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RecentlyOpenedFilesList recentFiles;
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recentFiles.restoreFromString (getAppProperties().getUserSettings()
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->getValue ("recentFilterGraphFiles"));
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return recentFiles.getFile (0);
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}
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void PluginGraph::setLastDocumentOpened (const File& file)
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{
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RecentlyOpenedFilesList recentFiles;
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recentFiles.restoreFromString (getAppProperties().getUserSettings()
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->getValue ("recentFilterGraphFiles"));
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recentFiles.addFile (file);
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getAppProperties().getUserSettings()
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->setValue ("recentFilterGraphFiles", recentFiles.toString());
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}
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//==============================================================================
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static void readBusLayoutFromXml (AudioProcessor::BusesLayout& busesLayout, AudioProcessor& plugin,
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const XmlElement& xml, bool isInput)
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{
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auto& targetBuses = (isInput ? busesLayout.inputBuses
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: busesLayout.outputBuses);
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int maxNumBuses = 0;
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if (auto* buses = xml.getChildByName (isInput ? "INPUTS" : "OUTPUTS"))
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{
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for (auto* e : buses->getChildWithTagNameIterator ("BUS"))
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{
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const int busIdx = e->getIntAttribute ("index");
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maxNumBuses = jmax (maxNumBuses, busIdx + 1);
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// the number of buses on busesLayout may not be in sync with the plugin after adding buses
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// because adding an input bus could also add an output bus
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for (int actualIdx = plugin.getBusCount (isInput) - 1; actualIdx < busIdx; ++actualIdx)
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if (! plugin.addBus (isInput))
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return;
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for (int actualIdx = targetBuses.size() - 1; actualIdx < busIdx; ++actualIdx)
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targetBuses.add (plugin.getChannelLayoutOfBus (isInput, busIdx));
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auto layout = e->getStringAttribute ("layout");
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if (layout.isNotEmpty())
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targetBuses.getReference (busIdx) = AudioChannelSet::fromAbbreviatedString (layout);
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}
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}
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// if the plugin has more buses than specified in the xml, then try to remove them!
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while (maxNumBuses < targetBuses.size())
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{
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if (! plugin.removeBus (isInput))
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return;
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targetBuses.removeLast();
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}
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}
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//==============================================================================
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static XmlElement* createBusLayoutXml (const AudioProcessor::BusesLayout& layout, const bool isInput)
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{
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auto& buses = isInput ? layout.inputBuses
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: layout.outputBuses;
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auto* xml = new XmlElement (isInput ? "INPUTS" : "OUTPUTS");
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for (int busIdx = 0; busIdx < buses.size(); ++busIdx)
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{
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auto& set = buses.getReference (busIdx);
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auto* bus = xml->createNewChildElement ("BUS");
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bus->setAttribute ("index", busIdx);
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bus->setAttribute ("layout", set.isDisabled() ? "disabled" : set.getSpeakerArrangementAsString());
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}
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return xml;
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}
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static XmlElement* createNodeXml (AudioProcessorGraph::Node* const node) noexcept
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{
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if (auto* plugin = dynamic_cast<AudioPluginInstance*> (node->getProcessor()))
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{
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auto e = new XmlElement ("FILTER");
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e->setAttribute ("uid", (int) node->nodeID.uid);
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e->setAttribute ("x", node->properties ["x"].toString());
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e->setAttribute ("y", node->properties ["y"].toString());
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for (int i = 0; i < (int) PluginWindow::Type::numTypes; ++i)
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{
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auto type = (PluginWindow::Type) i;
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if (node->properties.contains (PluginWindow::getOpenProp (type)))
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{
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e->setAttribute (PluginWindow::getLastXProp (type), node->properties[PluginWindow::getLastXProp (type)].toString());
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e->setAttribute (PluginWindow::getLastYProp (type), node->properties[PluginWindow::getLastYProp (type)].toString());
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e->setAttribute (PluginWindow::getOpenProp (type), node->properties[PluginWindow::getOpenProp (type)].toString());
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}
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}
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{
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PluginDescription pd;
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plugin->fillInPluginDescription (pd);
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e->addChildElement (pd.createXml().release());
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}
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{
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MemoryBlock m;
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node->getProcessor()->getStateInformation (m);
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e->createNewChildElement ("STATE")->addTextElement (m.toBase64Encoding());
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}
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auto layout = plugin->getBusesLayout();
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auto layouts = e->createNewChildElement ("LAYOUT");
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layouts->addChildElement (createBusLayoutXml (layout, true));
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layouts->addChildElement (createBusLayoutXml (layout, false));
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return e;
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}
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jassertfalse;
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return nullptr;
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}
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void PluginGraph::createNodeFromXml (const XmlElement& xml)
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{
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PluginDescription pd;
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for (auto* e : xml.getChildIterator())
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{
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if (pd.loadFromXml (*e))
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break;
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}
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auto createInstanceWithFallback = [&]() -> std::unique_ptr<AudioPluginInstance>
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{
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auto createInstance = [this] (const PluginDescription& description)
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{
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String errorMessage;
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auto localDpiDisabler = makeDPIAwarenessDisablerForPlugin (description);
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return formatManager.createPluginInstance (description,
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graph.getSampleRate(),
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graph.getBlockSize(),
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errorMessage);
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};
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if (auto instance = createInstance (pd))
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return instance;
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const auto allFormats = formatManager.getFormats();
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const auto matchingFormat = std::find_if (allFormats.begin(), allFormats.end(),
|
||
|
|
[&] (const AudioPluginFormat* f) { return f->getName() == pd.pluginFormatName; });
|
||
|
|
|
||
|
|
if (matchingFormat == allFormats.end())
|
||
|
|
return nullptr;
|
||
|
|
|
||
|
|
const auto plugins = knownPlugins.getTypesForFormat (**matchingFormat);
|
||
|
|
const auto matchingPlugin = std::find_if (plugins.begin(), plugins.end(),
|
||
|
|
[&] (const PluginDescription& desc) { return pd.uniqueId == desc.uniqueId; });
|
||
|
|
|
||
|
|
if (matchingPlugin == plugins.end())
|
||
|
|
return nullptr;
|
||
|
|
|
||
|
|
return createInstance (*matchingPlugin);
|
||
|
|
};
|
||
|
|
|
||
|
|
if (auto instance = createInstanceWithFallback())
|
||
|
|
{
|
||
|
|
if (auto* layoutEntity = xml.getChildByName ("LAYOUT"))
|
||
|
|
{
|
||
|
|
auto layout = instance->getBusesLayout();
|
||
|
|
|
||
|
|
readBusLayoutFromXml (layout, *instance, *layoutEntity, true);
|
||
|
|
readBusLayoutFromXml (layout, *instance, *layoutEntity, false);
|
||
|
|
|
||
|
|
instance->setBusesLayout (layout);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (auto node = graph.addNode (std::move (instance), NodeID ((uint32) xml.getIntAttribute ("uid"))))
|
||
|
|
{
|
||
|
|
if (auto* state = xml.getChildByName ("STATE"))
|
||
|
|
{
|
||
|
|
MemoryBlock m;
|
||
|
|
m.fromBase64Encoding (state->getAllSubText());
|
||
|
|
|
||
|
|
node->getProcessor()->setStateInformation (m.getData(), (int) m.getSize());
|
||
|
|
}
|
||
|
|
|
||
|
|
node->properties.set ("x", xml.getDoubleAttribute ("x"));
|
||
|
|
node->properties.set ("y", xml.getDoubleAttribute ("y"));
|
||
|
|
|
||
|
|
for (int i = 0; i < (int) PluginWindow::Type::numTypes; ++i)
|
||
|
|
{
|
||
|
|
auto type = (PluginWindow::Type) i;
|
||
|
|
|
||
|
|
if (xml.hasAttribute (PluginWindow::getOpenProp (type)))
|
||
|
|
{
|
||
|
|
node->properties.set (PluginWindow::getLastXProp (type), xml.getIntAttribute (PluginWindow::getLastXProp (type)));
|
||
|
|
node->properties.set (PluginWindow::getLastYProp (type), xml.getIntAttribute (PluginWindow::getLastYProp (type)));
|
||
|
|
node->properties.set (PluginWindow::getOpenProp (type), xml.getIntAttribute (PluginWindow::getOpenProp (type)));
|
||
|
|
|
||
|
|
if (node->properties[PluginWindow::getOpenProp (type)])
|
||
|
|
{
|
||
|
|
jassert (node->getProcessor() != nullptr);
|
||
|
|
|
||
|
|
if (auto w = getOrCreateWindowFor (node, type))
|
||
|
|
w->toFront (true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
std::unique_ptr<XmlElement> PluginGraph::createXml() const
|
||
|
|
{
|
||
|
|
auto xml = std::make_unique<XmlElement> ("FILTERGRAPH");
|
||
|
|
|
||
|
|
for (auto* node : graph.getNodes())
|
||
|
|
xml->addChildElement (createNodeXml (node));
|
||
|
|
|
||
|
|
for (auto& connection : graph.getConnections())
|
||
|
|
{
|
||
|
|
auto e = xml->createNewChildElement ("CONNECTION");
|
||
|
|
|
||
|
|
e->setAttribute ("srcFilter", (int) connection.source.nodeID.uid);
|
||
|
|
e->setAttribute ("srcChannel", connection.source.channelIndex);
|
||
|
|
e->setAttribute ("dstFilter", (int) connection.destination.nodeID.uid);
|
||
|
|
e->setAttribute ("dstChannel", connection.destination.channelIndex);
|
||
|
|
}
|
||
|
|
|
||
|
|
return xml;
|
||
|
|
}
|
||
|
|
|
||
|
|
void PluginGraph::restoreFromXml (const XmlElement& xml)
|
||
|
|
{
|
||
|
|
clear();
|
||
|
|
|
||
|
|
for (auto* e : xml.getChildWithTagNameIterator ("FILTER"))
|
||
|
|
{
|
||
|
|
createNodeFromXml (*e);
|
||
|
|
changed();
|
||
|
|
}
|
||
|
|
|
||
|
|
for (auto* e : xml.getChildWithTagNameIterator ("CONNECTION"))
|
||
|
|
{
|
||
|
|
graph.addConnection ({ { NodeID ((uint32) e->getIntAttribute ("srcFilter")), e->getIntAttribute ("srcChannel") },
|
||
|
|
{ NodeID ((uint32) e->getIntAttribute ("dstFilter")), e->getIntAttribute ("dstChannel") } });
|
||
|
|
}
|
||
|
|
|
||
|
|
graph.removeIllegalConnections();
|
||
|
|
}
|
||
|
|
|
||
|
|
File PluginGraph::getDefaultGraphDocumentOnMobile()
|
||
|
|
{
|
||
|
|
auto persistantStorageLocation = File::getSpecialLocation (File::userApplicationDataDirectory);
|
||
|
|
return persistantStorageLocation.getChildFile ("state.filtergraph");
|
||
|
|
}
|