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/*
==============================================================================
This file is part of the IEM plug-in suite.
Author: Daniel Rudrich
Copyright (c) 2017 - Institute of Electronic Music and Acoustics (IEM)
https://iem.at
The IEM plug-in suite is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The IEM plug-in suite 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.
You should have received a copy of the GNU General Public License
along with this software. If not, see <https://www.gnu.org/licenses/>.
==============================================================================
*/
#pragma once
//==============================================================================
/*
*/
class ReflectionsVisualizer : public juce::Component, private juce::Timer
{
const float mL = 23.0f;
const float mR = 10.0f;
const float mT = 7.0f;
const float mB = 15.0f;
public:
ReflectionsVisualizer()
{
// In your constructor, you should add any child components, and
// initialise any special settings that your component needs.
startTimer (10); //TODO avoid using timer
}
~ReflectionsVisualizer() {}
void paint (juce::Graphics& g) override
{
g.setColour (juce::Colours::steelblue.withMultipliedAlpha (0.01f));
g.fillAll();
g.setColour (juce::Colours::steelblue.withMultipliedAlpha (0.9f));
g.strokePath (axes, juce::PathStrokeType (1.0f));
g.setColour (juce::Colours::steelblue.withMultipliedAlpha (0.8f));
g.strokePath (dBGrid, juce::PathStrokeType (0.5f));
g.setColour (juce::Colours::white);
auto currentFont =
juce::FontOptions (getLookAndFeel().getTypefaceForFont (juce::FontOptions (12.0f, 2)))
.withHeight (12.0f);
g.setFont (currentFont);
for (int dB = 0; dB >= -60; dB -= 10)
{
float yPos = dBToY ((float) dB);
g.drawText (juce::String (dB),
0,
yPos - 6,
18,
12.0f,
juce::Justification::right,
false);
}
int msStep;
if (xRangeInMs < 80)
msStep = 5;
else if (xRangeInMs < 200)
msStep = 10;
else
msStep = 20;
for (int timeInMs = 0; timeInMs <= xRangeInMs; timeInMs += msStep)
{
float xPos = timeToX ((float) timeInMs);
g.drawText (juce::String (timeInMs),
xPos - 15.0f,
mT + plotHeight + 2.0f,
30,
12.0f,
juce::Justification::centred,
false);
}
const float xFactor = 1000.0f / 343.2f;
if (radiusPtr != nullptr)
{
int numRef = juce::roundToInt (numReflPtr->load());
float gainDb = juce::Decibels::gainToDecibels (gainPtr[0]);
if (gainDb > -60.0f && gainDb <= 20.0f)
{
const float xPos = timeToX (zeroDelay ? 0.0f : radiusPtr[0] * xFactor);
const float yPos = dBToY (gainDb);
g.drawLine (xPos, yPos, xPos, mT + plotHeight, 2.0f);
}
g.setColour (juce::Colours::white.withMultipliedAlpha (0.5f));
for (int i = 1; i <= numRef; ++i)
{
float gainDb = juce::Decibels::gainToDecibels (gainPtr[i]);
if (gainDb > -60.0f && gainDb < 20.0f)
{
const float radius = radiusPtr[i] - (zeroDelay ? radiusPtr[0] : 0.0f);
const float xPos = timeToX (radius * xFactor);
const float yPos = dBToY (gainDb);
g.drawLine (xPos, yPos, xPos, mT + plotHeight, 1.5f);
}
}
}
}
inline float timeToX (float timeInMs) { return mL + timeInMs / xRangeInMs * plotWidth; }
inline float dBToY (float gainInDB)
{
const float dynRange = -1.0f / 60.0f;
return mT + dynRange * gainInDB * plotHeight;
}
void mouseWheelMove (const juce::MouseEvent& e, const juce::MouseWheelDetails& wheel) override
{
const double delta =
100
* (std::abs (wheel.deltaX) > std::abs (wheel.deltaY) ? -wheel.deltaX : wheel.deltaY);
//bool positiveDelta = delta >= 0.0;
xRangeInMs += juce::roundToInt (delta);
xRangeInMs = juce::jmin (xRangeInMs, 550);
xRangeInMs = juce::jmax (xRangeInMs, 40);
}
void setDataPointers (float* Gain, float* Radius, std::atomic<float>* NumRefl)
{
gainPtr = Gain;
numReflPtr = NumRefl;
radiusPtr = Radius;
}
void setZeroDelay (const bool shouldBeZeroDelay)
{
if (zeroDelay != shouldBeZeroDelay)
{
zeroDelay = shouldBeZeroDelay;
repaint();
}
}
void resized() override
{
plotWidth = getLocalBounds().getWidth() - mL - mR;
plotHeight = getLocalBounds().getHeight() - mT - mB;
axes.clear();
//horizontal
axes.startNewSubPath (timeToX (0.0f) - 2, dBToY (-60.0f));
axes.lineTo (timeToX (xRangeInMs), dBToY (-60.0f));
//vertical
axes.startNewSubPath (timeToX (0.0f), dBToY (-60.0f) + 2.0f);
axes.lineTo (timeToX (0.0f), mT - 2.0f);
dBGrid.clear();
for (int dB = 0; dB >= -50; dB -= 10)
{
float yPos = dBToY ((float) dB);
dBGrid.startNewSubPath (mL - 2.0f, yPos);
dBGrid.lineTo (mL + plotWidth, yPos);
}
}
void timerCallback() override { repaint(); }
private:
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ReflectionsVisualizer)
juce::Path axes;
juce::Path dBGrid;
float plotWidth = 1.0f;
float plotHeight = 1.0f;
int xRangeInMs = 100;
std::atomic<float>* numReflPtr = nullptr;
float* gainPtr = nullptr;
float* radiusPtr = nullptr;
bool zeroDelay = false;
};
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