void MidiMessageSequence::deleteEvent (const int index,
const bool deleteMatchingNoteUp)
{
if (isPositiveAndBelow (index, list.size()))
{
if (deleteMatchingNoteUp)
deleteEvent (getIndexOfMatchingKeyUp (index), false);
list.remove (index);
}
}
float AudioSampleBuffer::getMagnitude (const int channel,
const int startSample,
const int numSamples) const noexcept
{
jassert (isPositiveAndBelow (channel, numChannels));
jassert (startSample >= 0 && startSample + numSamples <= size);
float mn, mx;
findMinMax (channel, startSample, numSamples, mn, mx);
return jmax (mn, -mn, mx, -mx);
}
void setParameter (int index, float newValue)
{
if (plugin != nullptr && isPositiveAndBelow (index, parameters.size()))
{
const ScopedLock sl (lock);
ParameterValue& p = parameterValues[index];
if (p.unscaled != newValue)
p = ParameterValue (getNewParamScaled (plugin->PortRangeHints [parameters[index]], newValue), newValue);
}
}
const Colour Image::BitmapData::getPixelColour (const int x, const int y) const noexcept
{
jassert (isPositiveAndBelow (x, width) && isPositiveAndBelow (y, height));
const uint8* const pixel = getPixelPointer (x, y);
switch (pixelFormat)
{
case Image::ARGB:
return Colour (((const PixelARGB*) pixel)->getUnpremultipliedARGB());
case Image::RGB:
return Colour (((const PixelRGB*) pixel)->getUnpremultipliedARGB());
case Image::SingleChannel:
return Colour (((const PixelAlpha*) pixel)->getUnpremultipliedARGB());
default:
jassertfalse;
break;
}
return Colour();
}
Range<float> AudioSampleBuffer::findMinMax (const int channel,
const int startSample,
int numSamples) const noexcept
{
jassert (isPositiveAndBelow (channel, numChannels));
jassert (startSample >= 0 && startSample + numSamples <= size);
if (isClear)
return Range<float>();
return FloatVectorOperations::findMinAndMax (channels [channel] + startSample, numSamples);
}
void moveChild (int currentIndex, int newIndex, UndoManager* undoManager)
{
// The source index must be a valid index!
jassert (isPositiveAndBelow (currentIndex, children.size()));
if (currentIndex != newIndex
&& isPositiveAndBelow (currentIndex, children.size()))
{
if (undoManager == nullptr)
{
children.move (currentIndex, newIndex);
sendChildOrderChangedMessage (currentIndex, newIndex);
}
else
{
if (! isPositiveAndBelow (newIndex, children.size()))
newIndex = children.size() - 1;
undoManager->perform (new MoveChildAction (*this, currentIndex, newIndex));
}
}
}
void
SequenceCursor::updateTrack (const SequencerTrack* track)
{
const int32 index = track->index();
if (isPositiveAndBelow (index, trackCount.get()))
{
ClipSource* clip = seekClip (track, nullptr, mFrame);
if (clip && clip->isInRangeOf (mFrame))
clip->seekLocalFrame (mFrame - clip->frameStart());
rtClips [index] = clip;
}
}
void ValueTree::SharedObject::moveChild (int currentIndex, int newIndex, UndoManager* undoManager)
{
// The source index must be a valid index!
jassert (isPositiveAndBelow (currentIndex, children.size()));
if (currentIndex != newIndex
&& isPositiveAndBelow (currentIndex, children.size()))
{
if (undoManager == 0)
{
children.move (currentIndex, newIndex);
sendChildChangeMessage();
}
else
{
if (! isPositiveAndBelow (newIndex, children.size()))
newIndex = children.size() - 1;
undoManager->perform (new MoveChildAction (this, currentIndex, newIndex));
}
}
}
void AudioProcessor::sendParamChangeMessageToListeners (const int parameterIndex, const float newValue)
{
if (isPositiveAndBelow (parameterIndex, getNumParameters()))
{
for (int i = listeners.size(); --i >= 0;)
if (AudioProcessorListener* l = getListenerLocked (i))
l->audioProcessorParameterChanged (this, parameterIndex, newValue);
}
else
{
jassertfalse; // called with an out-of-range parameter index!
}
}
bool TabBarButton::hitTest (int mx, int my)
{
const Rectangle<int> area (getActiveArea());
if (owner.isVertical())
{
if (isPositiveAndBelow (mx, getWidth())
&& my >= area.getY() + overlapPixels && my < area.getBottom() - overlapPixels)
return true;
}
else
{
if (isPositiveAndBelow (my, getHeight())
&& mx >= area.getX() + overlapPixels && mx < area.getRight() - overlapPixels)
return true;
}
Path p;
getLookAndFeel().createTabButtonShape (*this, p, false, false);
return p.contains ((float) (mx - area.getX()),
(float) (my - area.getY()));
}
float AudioSampleBuffer::getMagnitude (const int channel,
const int startSample,
const int numSamples) const noexcept
{
jassert (isPositiveAndBelow (channel, numChannels));
jassert (startSample >= 0 && startSample + numSamples <= size);
if (isClear)
return 0.0f;
const Range<float> r (findMinMax (channel, startSample, numSamples));
return jmax (r.getStart(), -r.getStart(), r.getEnd(), -r.getEnd());
}
void Image::BitmapData::setPixelColour (const int x, const int y, const Colour& colour) const noexcept
{
jassert (isPositiveAndBelow (x, width) && isPositiveAndBelow (y, height));
uint8* const pixel = getPixelPointer (x, y);
const PixelARGB col (colour.getPixelARGB());
switch (pixelFormat)
{
case Image::ARGB:
((PixelARGB*) pixel)->set (col);
break;
case Image::RGB:
((PixelRGB*) pixel)->set (col);
break;
case Image::SingleChannel:
*pixel = col.getAlpha();
break;
default:
jassertfalse;
break;
}
}
//==============================================================================
void paintListBoxItem (int rowNumber, Graphics& g, int width, int height, bool rowIsSelected) override
{
Rectangle<int> bounds (0, 0, width, height);
auto textColour = findColour (Label::textColourId);
g.setColour (textColour.withAlpha (0.4f));
if (rowNumber == 0)
g.fillRect (bounds.removeFromTop (2).reduced (7, 0));
g.fillRect (bounds.removeFromBottom (2).reduced (7, 0));
if (rowIsSelected)
{
g.setColour (findColour (TextEditor::highlightColourId).withAlpha (0.4f));
g.fillRect (bounds);
textColour = findColour (TextEditor::highlightedTextColourId);
}
g.setColour (textColour);
if (selectedCategory.isEmpty())
{
if (isPositiveAndBelow (rowNumber, JUCEDemos::getCategories().size()))
g.drawFittedText (JUCEDemos::getCategories()[rowNumber].name,
bounds, Justification::centred, 1);
}
else
{
auto& category = JUCEDemos::getCategory (selectedCategory);
if (isPositiveAndBelow (rowNumber, category.demos.size()))
g.drawFittedText (category.demos[rowNumber].demoFile.getFileName(),
bounds, Justification::centred, 1);
}
}
void AudioSampleBuffer::addFrom (const int destChannel,
const int destStartSample,
const AudioSampleBuffer& source,
const int sourceChannel,
const int sourceStartSample,
int numSamples,
const float gain) noexcept
{
jassert (&source != this || sourceChannel != destChannel);
jassert (isPositiveAndBelow (destChannel, numChannels));
jassert (destStartSample >= 0 && destStartSample + numSamples <= size);
jassert (isPositiveAndBelow (sourceChannel, source.numChannels));
jassert (sourceStartSample >= 0 && sourceStartSample + numSamples <= source.size);
if (gain != 0.0f && numSamples > 0 && ! source.isClear)
{
float* const d = channels [destChannel] + destStartSample;
const float* const s = source.channels [sourceChannel] + sourceStartSample;
if (isClear)
{
isClear = false;
if (gain != 1.0f)
FloatVectorOperations::copyWithMultiply (d, s, gain, numSamples);
else
FloatVectorOperations::copy (d, s, numSamples);
}
else
{
if (gain != 1.0f)
FloatVectorOperations::addWithMultiply (d, s, gain, numSamples);
else
FloatVectorOperations::add (d, s, numSamples);
}
}
}
void AudioProcessor::beginParameterChangeGesture (int parameterIndex)
{
jassert (isPositiveAndBelow (parameterIndex, getNumParameters()));
#if JUCE_DEBUG
// This means you've called beginParameterChangeGesture twice in succession without a matching
// call to endParameterChangeGesture. That might be fine in most hosts, but better to avoid doing it.
jassert (! changingParams [parameterIndex]);
changingParams.setBit (parameterIndex);
#endif
for (int i = listeners.size(); --i >= 0;)
if (AudioProcessorListener* l = getListenerLocked (i))
l->audioProcessorParameterChangeGestureBegin (this, parameterIndex);
}
void AudioSampleBuffer::copyFrom (const int destChannel,
const int destStartSample,
const float* source,
int numSamples) noexcept
{
jassert (isPositiveAndBelow (destChannel, numChannels));
jassert (destStartSample >= 0 && destStartSample + numSamples <= size);
jassert (source != nullptr);
if (numSamples > 0)
{
isClear = false;
FloatVectorOperations::copy (channels [destChannel] + destStartSample, source, numSamples);
}
}
static SharedCursorHandle* createStandard (const MouseCursor::StandardCursorType type)
{
jassert (isPositiveAndBelow (type, MouseCursor::NumStandardCursorTypes));
const SpinLock::ScopedLockType sl (lock);
SharedCursorHandle*& c = getSharedCursor (type);
if (c == nullptr)
c = new SharedCursorHandle (type);
else
c->retain();
return c;
}
void AudioSampleBuffer::copyFrom (const int destChannel,
const int destStartSample,
const float* source,
int numSamples) noexcept
{
jassert (isPositiveAndBelow (destChannel, numChannels));
jassert (destStartSample >= 0 && destStartSample + numSamples <= size);
jassert (source != nullptr);
if (numSamples > 0)
{
memcpy (channels [destChannel] + destStartSample,
source,
sizeof (float) * (size_t) numSamples);
}
}
void handleGUIEditorMenuCommand (int menuItemID)
{
if (JucerDocumentEditor* ed = JucerDocumentEditor::getActiveDocumentHolder())
{
int gridIndex = menuItemID - gridSnapMenuItemBase;
if (isPositiveAndBelow (gridIndex, numElementsInArray (snapSizes)))
{
JucerDocument& doc = *ed->getDocument();
doc.setSnappingGrid (snapSizes [gridIndex],
doc.isSnapActive (false),
doc.isSnapShown());
}
}
}
void AudioProcessor::endParameterChangeGesture (int parameterIndex)
{
jassert (isPositiveAndBelow (parameterIndex, getNumParameters()));
#if JUCE_DEBUG
// This means you've called endParameterChangeGesture without having previously called
// endParameterChangeGesture. That might be fine in most hosts, but better to keep the
// calls matched correctly.
jassert (changingParams [parameterIndex]);
changingParams.clearBit (parameterIndex);
#endif
for (int i = listeners.size(); --i >= 0;)
if (AudioProcessorListener* l = getListenerLocked (i))
l->audioProcessorParameterChangeGestureEnd (this, parameterIndex);
}
void TreeViewItem::removeSubItem (const int index, const bool deleteItem)
{
if (ownerView != 0)
{
const ScopedLock sl (ownerView->nodeAlterationLock);
if (isPositiveAndBelow (index, subItems.size()))
{
subItems.remove (index, deleteItem);
treeHasChanged();
}
}
else
{
subItems.remove (index, deleteItem);
}
}
void AudioProcessor::sendParamChangeMessageToListeners (const int parameterIndex, const float newValue)
{
jassert (isPositiveAndBelow (parameterIndex, getNumParameters()));
for (int i = listeners.size(); --i >= 0;)
{
AudioProcessorListener* l;
{
const ScopedLock sl (listenerLock);
l = listeners [i];
}
if (l != nullptr)
l->audioProcessorParameterChanged (this, parameterIndex, newValue);
}
}
Oversampling<SampleType>::Oversampling (size_t newNumChannels, size_t newFactor,
FilterType newType, bool isMaximumQuality)
: numChannels (newNumChannels)
{
jassert (isPositiveAndBelow (newFactor, 5) && numChannels > 0);
if (newFactor == 0)
{
addDummyOversamplingStage();
}
else if (newType == FilterType::filterHalfBandPolyphaseIIR)
{
for (size_t n = 0; n < newFactor; ++n)
{
auto twUp = (isMaximumQuality ? 0.10f : 0.12f) * (n == 0 ? 0.5f : 1.0f);
auto twDown = (isMaximumQuality ? 0.12f : 0.15f) * (n == 0 ? 0.5f : 1.0f);
auto gaindBStartUp = (isMaximumQuality ? -90.0f : -70.0f);
auto gaindBStartDown = (isMaximumQuality ? -75.0f : -60.0f);
auto gaindBFactorUp = (isMaximumQuality ? 10.0f : 8.0f);
auto gaindBFactorDown = (isMaximumQuality ? 10.0f : 8.0f);
addOversamplingStage (FilterType::filterHalfBandPolyphaseIIR,
twUp, gaindBStartUp + gaindBFactorUp * n,
twDown, gaindBStartDown + gaindBFactorDown * n);
}
}
else if (newType == FilterType::filterHalfBandFIREquiripple)
{
for (size_t n = 0; n < newFactor; ++n)
{
auto twUp = (isMaximumQuality ? 0.10f : 0.12f) * (n == 0 ? 0.5f : 1.0f);
auto twDown = (isMaximumQuality ? 0.12f : 0.15f) * (n == 0 ? 0.5f : 1.0f);
auto gaindBStartUp = (isMaximumQuality ? -90.0f : -70.0f);
auto gaindBStartDown = (isMaximumQuality ? -75.0f : -60.0f);
auto gaindBFactorUp = (isMaximumQuality ? 10.0f : 8.0f);
auto gaindBFactorDown = (isMaximumQuality ? 10.0f : 8.0f);
addOversamplingStage (FilterType::filterHalfBandFIREquiripple,
twUp, gaindBStartUp + gaindBFactorUp * n,
twDown, gaindBStartDown + gaindBFactorDown * n);
}
}
}
void AudioSampleBuffer::applyGain (const int channel,
const int startSample,
int numSamples,
const float gain) noexcept
{
jassert (isPositiveAndBelow (channel, numChannels));
jassert (startSample >= 0 && startSample + numSamples <= size);
if (gain != 1.0f && ! isClear)
{
float* const d = channels [channel] + startSample;
if (gain == 0.0f)
FloatVectorOperations::clear (d, numSamples);
else
FloatVectorOperations::multiply (d, gain, numSamples);
}
}
void drawChannel (Graphics& g, const Rectangle<int>& area,
const double startTime, const double endTime,
const int channelNum, const float verticalZoomFactor,
const double rate, const int numChans, const int sampsPerThumbSample,
LevelDataSource* levelData, const OwnedArray<ThumbData>& chans)
{
if (refillCache (area.getWidth(), startTime, endTime, rate,
numChans, sampsPerThumbSample, levelData, chans)
&& isPositiveAndBelow (channelNum, numChannelsCached))
{
const Rectangle<int> clip (g.getClipBounds().getIntersection (area.withWidth (jmin (numSamplesCached, area.getWidth()))));
if (! clip.isEmpty())
{
const float topY = (float) area.getY();
const float bottomY = (float) area.getBottom();
const float midY = (topY + bottomY) * 0.5f;
const float vscale = verticalZoomFactor * (bottomY - topY) / 256.0f;
const MinMaxValue* cacheData = getData (channelNum, clip.getX() - area.getX());
RectangleList<float> waveform;
waveform.ensureStorageAllocated (clip.getWidth());
float x = (float) clip.getX();
for (int w = clip.getWidth(); --w >= 0;)
{
if (cacheData->isNonZero())
{
const float top = jmax (midY - cacheData->getMaxValue() * vscale - 0.3f, topY);
const float bottom = jmin (midY - cacheData->getMinValue() * vscale + 0.3f, bottomY);
waveform.addWithoutMerging (Rectangle<float> (x, top, 1.0f, bottom - top));
}
x += 1.0f;
++cacheData;
}
g.fillRectList (waveform);
}
}
}
void setCurrentSourceIndex (int index, bool input)
{
if (deviceID != 0)
{
HeapBlock <OSType> types;
const int num = getAllDataSourcesForDevice (deviceID, types);
if (isPositiveAndBelow (index, num))
{
AudioObjectPropertyAddress pa;
pa.mSelector = kAudioDevicePropertyDataSource;
pa.mScope = input ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
pa.mElement = kAudioObjectPropertyElementMaster;
OSType typeId = types[index];
OK (AudioObjectSetPropertyData (deviceID, &pa, 0, 0, sizeof (typeId), &typeId));
}
}
}
void AudioProcessor::beginParameterChangeGesture (int parameterIndex)
{
if (isPositiveAndBelow (parameterIndex, getNumParameters()))
{
#if JUCE_DEBUG && ! JUCE_DISABLE_AUDIOPROCESSOR_BEGIN_END_GESTURE_CHECKING
// This means you've called beginParameterChangeGesture twice in succession without a matching
// call to endParameterChangeGesture. That might be fine in most hosts, but better to avoid doing it.
jassert (! changingParams [parameterIndex]);
changingParams.setBit (parameterIndex);
#endif
for (int i = listeners.size(); --i >= 0;)
if (AudioProcessorListener* l = getListenerLocked (i))
l->audioProcessorParameterChangeGestureBegin (this, parameterIndex);
}
else
{
jassertfalse; // called with an out-of-range parameter index!
}
}
void MidiLogListBoxModel::paintListBoxItem(int row, Graphics& g, int width, int height, bool rowIsSelected)
{
if (rowIsSelected)
g.fillAll(Colours::blue.withAlpha(0.2f));
if (isPositiveAndBelow(row, midiMessageList.size()))
{
g.setColour(Colours::black);
const MidiMessage& message = midiMessageList.getReference(row);
double time = message.getTimeStamp();
g.drawText(String::formatted("%02d:%02d:%02d",
static_cast<int>(time / 3600.0) % 24,
static_cast<int>(time / 60.0) % 60,
static_cast<int>(time) % 60)
+ " - " + ZenMidiVisualiserComponent::getMidiMessageDescription(message),
Rectangle<int>(width, height).reduced(4, 0),
Justification::centredLeft, true);
}
}
void AudioProcessor::endParameterChangeGesture (int parameterIndex)
{
if (isPositiveAndBelow (parameterIndex, getNumParameters()))
{
#if JUCE_DEBUG && ! JUCE_DISABLE_AUDIOPROCESSOR_BEGIN_END_GESTURE_CHECKING
// This means you've called endParameterChangeGesture without having previously called
// beginParameterChangeGesture. That might be fine in most hosts, but better to keep the
// calls matched correctly.
jassert (changingParams [parameterIndex]);
changingParams.clearBit (parameterIndex);
#endif
for (int i = listeners.size(); --i >= 0;)
if (AudioProcessorListener* l = getListenerLocked (i))
l->audioProcessorParameterChangeGestureEnd (this, parameterIndex);
}
else
{
jassertfalse; // called with an out-of-range parameter index!
}
}
float AudioSampleBuffer::getRMSLevel (const int channel,
const int startSample,
const int numSamples) const noexcept
{
jassert (isPositiveAndBelow (channel, numChannels));
jassert (startSample >= 0 && startSample + numSamples <= size);
if (numSamples <= 0 || channel < 0 || channel >= numChannels)
return 0.0f;
const float* const data = channels [channel] + startSample;
double sum = 0.0;
for (int i = 0; i < numSamples; ++i)
{
const float sample = data [i];
sum += sample * sample;
}
return (float) std::sqrt (sum / numSamples);
}
