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Added the JUCE DSP module

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This commit is contained in:
hogliux 2017-07-27 12:39:07 +01:00
parent 281c2fe2af
commit 244a944857
212 changed files with 37051 additions and 1301 deletions
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examples/DSPDemo/Source/MainComponent.cpp Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include "Main.h"
#include "MainComponent.h"
//==============================================================================
AudioPlayerHeader::AudioPlayerHeader()
: thumbnailComp (DSPSamplesApplication::getApp().getDeviceManager(),
DSPSamplesApplication::getApp().getFormatManager())
{
setOpaque (true);
addAndMakeVisible (loadButton);
addAndMakeVisible (playButton);
addAndMakeVisible (loopButton);
loadButton.addListener (this);
playButton.addListener (this);
addAndMakeVisible (thumbnailComp);
thumbnailComp.addChangeListener (this);
DSPSamplesApplication::getApp().getPlayState().addListener (this);
loopButton.getToggleStateValue().referTo (DSPSamplesApplication::getApp().getLoopState());
}
AudioPlayerHeader::~AudioPlayerHeader()
{
playButton.removeListener (this);
loadButton.removeListener (this);
loopButton.removeListener (this);
DSPSamplesApplication::getApp().getPlayState().removeListener (this);
}
void AudioPlayerHeader::paint (Graphics& g)
{
g.setColour (getLookAndFeel().findColour (ResizableWindow::backgroundColourId).darker());
g.fillRect (getLocalBounds());
}
void AudioPlayerHeader::resized()
{
auto bounds = getLocalBounds();
auto buttonBounds = bounds.removeFromLeft (jmin (250, bounds.getWidth() / 4));
auto top = buttonBounds.removeFromTop (40);
loadButton.setBounds (top.removeFromLeft (buttonBounds.getWidth() / 2).reduced (10, 10));
playButton.setBounds (top.reduced (10, 10));
loopButton.setSize (0, 25);
loopButton.changeWidthToFitText();
loopButton.setCentrePosition (buttonBounds.getCentre());
thumbnailComp.setBounds (bounds);
}
void AudioPlayerHeader::buttonClicked (Button* button)
{
auto& app = DSPSamplesApplication::getApp();
if (button == &loadButton)
{
app.stop();
FileChooser fc ("Select an audio file...", File(), "*.wav;*.mp3;*.aif;");
if (fc.browseForFileToOpen())
{
auto f = fc.getResult();
if (! app.loadFile (f))
NativeMessageBox::showOkCancelBox (AlertWindow::WarningIcon, "Error loading file", "Unable to load audio file", nullptr, nullptr);
else
thumbnailComp.setCurrentFile (f);
}
}
else if (button == &playButton)
{
app.togglePlay();
}
}
void AudioPlayerHeader::changeListenerCallback (ChangeBroadcaster*)
{
auto& app = DSPSamplesApplication::getApp();
if (app.getPlayState().getValue())
app.stop();
app.loadFile (thumbnailComp.getCurrentFile());
}
void AudioPlayerHeader::valueChanged (Value& v)
{
playButton.setButtonText (v.getValue() ? "Stop" : "Play");
}
//==============================================================================
MainContentComponent::MainContentComponent()
{
setSize (1000, 800);
setOpaque (true);
codeEditor.setEnabled (false);
auto currentDemoIndex = DSPSamplesApplication::getApp().getCurrentDemoIndex();
demoList.setModel (this);
demoList.updateContent();
demoList.selectRow (currentDemoIndex);
addAndMakeVisible (header);
addAndMakeVisible (demoList);
addAndMakeVisible (codeEditor);
setupDemoColours();
}
void MainContentComponent::paint (Graphics& g)
{
g.setColour (getLookAndFeel().findColour (ResizableWindow::backgroundColourId));
g.fillRect (getLocalBounds());
}
void MainContentComponent::resized()
{
auto r = getLocalBounds();
auto listWidth = jmin (250, r.getWidth() / 4);
header.setBounds (r.removeFromTop (80));
demoList.setBounds (r.removeFromLeft (listWidth));
r.removeFromTop (5);
if (parametersComponent != nullptr)
parametersComponent->setBounds (r.removeFromTop (parametersComponent->getHeightNeeded()).reduced (20, 0));
r.removeFromBottom (10);
codeEditor.setBounds (r);
}
void MainContentComponent::paintListBoxItem (int rowNumber, Graphics& g, int width, int height, bool rowIsSelected)
{
Rectangle<int> r { 0, 0, width, height };
auto& lf = getLookAndFeel();
g.setColour (lf.findColour (rowIsSelected ? static_cast<int> (TextEditor::highlightColourId) : static_cast<int> (ListBox::backgroundColourId)));
g.fillRect (r);
if (auto demo = Demo::getList()[rowNumber])
{
g.setColour (lf.findColour (rowIsSelected ? static_cast<int> (TextEditor::highlightedTextColourId) : static_cast<int> (ListBox::textColourId)));
g.drawFittedText (demo->name, r.reduced (10, 2), Justification::centredLeft, 1);
}
}
int MainContentComponent::getNumRows()
{
return Demo::getList().size();
}
void MainContentComponent::selectedRowsChanged (int lastRowSelected)
{
if (lastRowSelected >= 0)
{
DSPSamplesApplication::getApp().setCurrentDemo (lastRowSelected);
if (auto demo = Demo::getList()[DSPSamplesApplication::getApp().getCurrentDemoIndex()])
{
if (demo->code.isNotEmpty())
codeDocument.replaceAllContent (demo->code);
codeEditor.scrollToLine (0);
initParameters();
}
}
}
void MainContentComponent::setupDemoColours()
{
auto& lf = getLookAndFeel();
lf.setColour (CodeEditorComponent::backgroundColourId, Colour (0xff263238));
lf.setColour (CodeEditorComponent::lineNumberTextId, Colour (0xffaaaaaa));
lf.setColour (CodeEditorComponent::lineNumberBackgroundId, Colour (0xff323e44));
lf.setColour (CodeEditorComponent::highlightColourId, Colour (0xffe0ec65).withAlpha (0.5f));
lf.setColour (ScrollBar::ColourIds::thumbColourId, Colour (0xffd0d8e0));
lf.setColour (TextEditor::highlightColourId, Colour (0xffe0ec65).withAlpha (0.75f));
lf.setColour (TextEditor::highlightedTextColourId, Colours::black);
ScopedPointer<XmlElement> xml (XmlDocument::parse (BinaryData::EditorColourScheme_xml));
if (xml != nullptr)
{
auto colourSchemeTree = ValueTree::fromXml (*xml);
auto& scheme = codeEditor.getColourScheme();
for (auto& type : scheme.types)
{
auto colour = colourSchemeTree.getChildWithProperty ("name", type.name);
if (colour.isValid())
type.colour = Colour::fromString (colour ["colour"].toString());
}
}
codeEditor.setScrollbarThickness (6);
}
void MainContentComponent::initParameters()
{
auto& parameters = DSPSamplesApplication::getApp().getCurrentDemoParameters();
if (parametersComponent != nullptr)
parametersComponent = nullptr;
if (parameters.size() > 0)
addAndMakeVisible (parametersComponent = new DemoParametersComponent (parameters));
resized();
}