From 733f60db5acc6c1d7120638b67562a405831f846 Mon Sep 17 00:00:00 2001
From: jsiegle <jsiegle@mit.edu>
Date: Sat, 6 Apr 2013 20:36:29 -0400
Subject: [PATCH] Beautify LFP Viewer
---
Source/Processors/LfpDisplayNode.cpp | 24 +--
.../Visualization/LfpDisplayCanvas.cpp | 150 ++++++++++++++++--
.../Visualization/LfpDisplayCanvas.h | 24 ++-
3 files changed, 174 insertions(+), 24 deletions(-)
diff --git a/Source/Processors/LfpDisplayNode.cpp b/Source/Processors/LfpDisplayNode.cpp
index a25e21fc3..e56c434f2 100755
--- a/Source/Processors/LfpDisplayNode.cpp
+++ b/Source/Processors/LfpDisplayNode.cpp
@@ -34,21 +34,21 @@ LfpDisplayNode::LfpDisplayNode()
displayBuffer = new AudioSampleBuffer(8, 100);
eventBuffer = new MidiBuffer();
- Array<var> timeBaseValues;
- timeBaseValues.add(1);
- timeBaseValues.add(2);
- timeBaseValues.add(5);
- timeBaseValues.add(10);
+ // Array<var> timeBaseValues;
+ // timeBaseValues.add(1);
+ // timeBaseValues.add(2);
+ // timeBaseValues.add(5);
+ // timeBaseValues.add(10);
- parameters.add(Parameter("timebase",timeBaseValues, 1, 0));//true);//a,0);
+ // parameters.add(Parameter("timebase",timeBaseValues, 1, 0));//true);//a,0);
- Array<var> displayGainValues;
- displayGainValues.add(1);
- displayGainValues.add(2);
- displayGainValues.add(4);
- displayGainValues.add(8);
+ // Array<var> displayGainValues;
+ // displayGainValues.add(1);
+ // displayGainValues.add(2);
+ // displayGainValues.add(4);
+ // displayGainValues.add(8);
- parameters.add(Parameter("display gain",displayGainValues, 1, 1));//true);//a,0);
+ // parameters.add(Parameter("display gain",displayGainValues, 1, 1));//true);//a,0);
arrayOfOnes = new float[5000];
diff --git a/Source/Processors/Visualization/LfpDisplayCanvas.cpp b/Source/Processors/Visualization/LfpDisplayCanvas.cpp
index 6e2487015..a56a32c11 100755
--- a/Source/Processors/Visualization/LfpDisplayCanvas.cpp
+++ b/Source/Processors/Visualization/LfpDisplayCanvas.cpp
@@ -44,6 +44,8 @@ LfpDisplayCanvas::LfpDisplayCanvas(LfpDisplayNode* processor_) :
lfpDisplay = new LfpDisplay(this, viewport);
timescale = new LfpTimescale(this);
+ timescale->setTimebase(timebase);
+
viewport->setViewedComponent(lfpDisplay, false);
viewport->setScrollBarsShown(true, false);
@@ -52,6 +54,31 @@ LfpDisplayCanvas::LfpDisplayCanvas(LfpDisplayNode* processor_) :
addAndMakeVisible(viewport);
addAndMakeVisible(timescale);
+ voltageRanges.add("100");
+ voltageRanges.add("500");
+ voltageRanges.add("1000");
+ voltageRanges.add("2000");
+ voltageRanges.add("5000");
+
+ timebases.add("0.2");
+ timebases.add("0.5");
+ timebases.add("1.0");
+ timebases.add("2.0");
+ timebases.add("5.0");
+ timebases.add("10.0");
+
+ rangeSelection = new ComboBox("Voltage range");
+ rangeSelection->addItemList(voltageRanges, 1);
+ rangeSelection->setSelectedId(3,false);
+ rangeSelection->addListener(this);
+ addAndMakeVisible(rangeSelection);
+
+ timebaseSelection = new ComboBox("Timebase");
+ timebaseSelection->addItemList(timebases, 1);
+ timebaseSelection->setSelectedId(3,false);
+ timebaseSelection->addListener(this);
+ addAndMakeVisible(timebaseSelection);
+
lfpDisplay->setNumChannels(nChans);
}
@@ -65,13 +92,14 @@ LfpDisplayCanvas::~LfpDisplayCanvas()
void LfpDisplayCanvas::resized()
{
-
-
timescale->setBounds(0,0,getWidth()-scrollBarThickness,30);
viewport->setBounds(0,30,getWidth(),getHeight()-90);
lfpDisplay->setBounds(0,0,getWidth()-scrollBarThickness, lfpDisplay->getTotalHeight());
+ rangeSelection->setBounds(100,getHeight()-50,100,25);
+ timebaseSelection->setBounds(300,getHeight()-50,100,25);
+
}
void LfpDisplayCanvas::beginAnimation()
@@ -109,6 +137,20 @@ void LfpDisplayCanvas::update()
}
+void LfpDisplayCanvas::comboBoxChanged(ComboBox* cb)
+{
+
+ if (cb == timebaseSelection)
+ {
+ timebase = timebases[cb->getSelectedId()-1].getFloatValue();
+ } else if (cb == rangeSelection)
+ {
+ displayGain = 150.0f / voltageRanges[cb->getSelectedId()-1].getFloatValue(); // not sure this is right.
+ }
+
+ timescale->setTimebase(timebase);
+}
+
void LfpDisplayCanvas::setParameter(int param, float val)
{
@@ -261,10 +303,24 @@ void LfpDisplayCanvas::paint(Graphics& g)
{
//std::cout << "Painting" << std::endl;
- g.setColour(Colours::grey);
+ g.setColour(Colour(25,25,25));
g.fillRect(0, 0, getWidth(), getHeight());
+ g.setColour(Colour(40,40,40));
+
+ int w = getWidth()-scrollBarThickness;
+
+ for (int i = 1; i < 10; i++)
+ {
+ if (i == 5)
+ g.drawLine(w/10*i,0,w/10*i,getHeight()-60,3.0f);
+ else
+ g.drawLine(w/10*i,0,w/10*i,getHeight()-60,1.0f);
+ }
+
+ g.drawLine(0,getHeight()-60,getWidth(),getHeight()-60,3.0f);
+
// g.setColour(Colours::yellow);
// g.drawLine(screenBufferIndex, 0, screenBufferIndex, getHeight());
@@ -286,6 +342,7 @@ void LfpDisplayCanvas::refresh()
LfpTimescale::LfpTimescale(LfpDisplayCanvas* c) : canvas(c)
{
+ font = Font("Default", 16, Font::plain);
}
LfpTimescale::~LfpTimescale()
@@ -296,7 +353,46 @@ LfpTimescale::~LfpTimescale()
void LfpTimescale::paint(Graphics& g)
{
- g.fillAll(Colours::black);
+ g.setGradientFill(ColourGradient(Colour(50,50,50),0,0,
+ Colour(25,25,25),0,getHeight(),
+ false));
+
+ g.fillAll();
+
+ g.setColour(Colours::black);
+
+ g.drawLine(0,getHeight(),getWidth(),getHeight());
+
+ g.setFont(font);
+
+ g.setColour(Colour(100,100,100));
+
+ for (int i = 1; i < 10; i++)
+ {
+ if (i == 5)
+ g.drawLine(getWidth()/10*i,0,getWidth()/10*i,getHeight(),3.0f);
+ else
+ g.drawLine(getWidth()/10*i,0,getWidth()/10*i,getHeight(),1.0f);
+
+ g.drawText(labels[i-1],getWidth()/10*i+1,0,100,getHeight(),Justification::left, false);
+ }
+
+}
+
+void LfpTimescale::setTimebase(float t)
+{
+ timebase = t;
+
+ labels.clear();
+
+ for (float i = 1.0f; i < 10.0; i++)
+ {
+ String labelString = String(timebase/10.0f*i);
+
+ labels.add(labelString.substring(1,4));
+ }
+
+ repaint();
}
@@ -310,6 +406,17 @@ LfpDisplay::LfpDisplay(LfpDisplayCanvas* c, Viewport* v) :
totalHeight = 0;
addMouseListener(this, true);
+
+ for (int i = 0; i < 10; i++)
+ {
+ channelColours.add(Colour(200,200,255-i*25));
+ }
+
+ for (int i = 10; i > -1; i--)
+ {
+ channelColours.add(Colour(200,200,255-i*25));
+ }
+
}
LfpDisplay::~LfpDisplay()
@@ -334,6 +441,8 @@ void LfpDisplay::setNumChannels(int numChannels)
LfpChannelDisplay* lfpChan = new LfpChannelDisplay(canvas, i);
+ lfpChan->setColour(channelColours[i % channelColours.size()]);
+
addAndMakeVisible(lfpChan);
channels.add(lfpChan);
@@ -397,7 +506,7 @@ void LfpDisplay::mouseDown(const MouseEvent& event)
int x = event.getMouseDownX();
int y = event.getMouseDownY();
- std::cout << "Mouse down at " << x << ", " << y << std::endl;
+ //std::cout << "Mouse down at " << x << ", " << y << std::endl;
for (int n = 0; n < numChans; n++)
@@ -421,6 +530,8 @@ LfpChannelDisplay::LfpChannelDisplay(LfpDisplayCanvas* c, int channelNumber) :
channelFont = Font("Default", 50, Font::plain);
+ lineColour = Colour(255,255,255);
+
}
LfpChannelDisplay::~LfpChannelDisplay()
@@ -431,22 +542,34 @@ LfpChannelDisplay::~LfpChannelDisplay()
void LfpChannelDisplay::paint(Graphics& g)
{
- g.fillAll(Colours::grey);
+ //g.fillAll(Colours::grey);
g.setColour(Colours::yellow);
g.drawLine(canvas->screenBufferIndex, 0, canvas->screenBufferIndex, getHeight());
+ int center = getHeight()/2;
+
if (isSelected)
- g.setColour(Colours::lightgrey);
- else
- g.setColour(Colours::black);
+ {
+ g.setColour(Colours::lightgrey);
+ g.fillRect(0,center-50,10,100);
+ g.drawLine(0,center+50,getWidth(),center+50);
+ g.drawLine(0,center-50,getWidth(),center-50);
+
+ g.setColour(Colour(25,25,25));
+ g.drawLine(0,center+25,10,center+25);
+ g.drawLine(0,center-25,10,center-25);
+
+ }
+
+ g.setColour(Colour(40,40,40));
g.drawLine(0, getHeight()/2, getWidth(), getHeight()/2);
int stepSize = 1;
-
+ g.setColour(lineColour);
for (int i = 0; i < getWidth()-stepSize; i += stepSize)
{
@@ -457,7 +580,7 @@ void LfpChannelDisplay::paint(Graphics& g)
(canvas->getYCoord(chan, i+stepSize)+0.5f)*getHeight());
}
- g.setColour(Colours::black.withAlpha(0.3f));
+ g.setColour(lineColour.withAlpha(0.7f));
g.setFont(channelFont);
g.drawText(String(chan+1), 10, 50, 200, 50, Justification::left, false);
@@ -474,3 +597,8 @@ void LfpChannelDisplay::deselect()
{
isSelected = false;
}
+
+void LfpChannelDisplay::setColour(Colour c)
+{
+ lineColour = c;
+}
diff --git a/Source/Processors/Visualization/LfpDisplayCanvas.h b/Source/Processors/Visualization/LfpDisplayCanvas.h
index 567fe72b8..93335a9f0 100755
--- a/Source/Processors/Visualization/LfpDisplayCanvas.h
+++ b/Source/Processors/Visualization/LfpDisplayCanvas.h
@@ -41,7 +41,8 @@ class LfpChannelDisplay;
*/
-class LfpDisplayCanvas : public Visualizer
+class LfpDisplayCanvas : public Visualizer,
+ public ComboBox::Listener
{
public:
@@ -70,6 +71,8 @@ public:
int screenBufferIndex;
int lastScreenBufferIndex;
+ void comboBoxChanged(ComboBox* cb);
+
private:
float sampleRate;
@@ -90,6 +93,12 @@ private:
ScopedPointer<LfpDisplay> lfpDisplay;
ScopedPointer<Viewport> viewport;
+ ScopedPointer<ComboBox> timebaseSelection;
+ ScopedPointer<ComboBox> rangeSelection;
+
+ StringArray voltageRanges;
+ StringArray timebases;
+
void refreshScreenBuffer();
void updateScreenBuffer();
@@ -112,10 +121,18 @@ public:
void paint(Graphics& g);
+ void setTimebase(float t);
+
private:
LfpDisplayCanvas* canvas;
+ float timebase;
+
+ Font font;
+
+ StringArray labels;
+
};
class LfpDisplay : public Component
@@ -147,6 +164,7 @@ private:
Viewport* viewport;
Array<LfpChannelDisplay*> channels;
+ Array<Colour> channelColours;
};
@@ -161,6 +179,8 @@ public:
void select();
void deselect();
+ void setColour(Colour c);
+
private:
@@ -172,6 +192,8 @@ private:
Font channelFont;
+ Colour lineColour;
+
};
--
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