examples/ofx/Bitalino_rapidmix/rapidVisualizer/BarChart.hpp

+//
+//  BarChart.hpp
+//  RapidVisualizerOSC
+//
+//  Created by James on 09/11/2017.
+//
+//
+
+#ifndef BarChart_hpp
+#define BarChart_hpp
+
+#include <stdio.h>
+#include "RealTimeGraph.hpp"
+
+class BarChart : public RealTimeGraph
+{
+public:
+    BarChart ( GraphState* state ) : RealTimeGraph (state)
+    {
+        //
+    }
+    ~BarChart ( void )
+    {
+        //
+    }
+    void updateRep ( void )
+    {
+        //
+    }
+    void drawSubGraph ( std::string subLabel, DataContainer<std::vector<double>>& data, ofRectangle subLabelRect )
+    {
+        double
+        minIn = 0,
+        minOut = 0,
+        maxOut = -subLabelRect.height,
+        startPosY = subLabelRect.height,
+        barSize = subLabelRect.width/data.labelData.size(),
+        separation = barSize/16,
+        halfSeparation = separation/2;
+        bool drawZeroSep = false;
+        
+        if (data.minValue < 0)
+        { // Add negative part
+            startPosY = subLabelRect.height/2;
+            minIn = -data.maxValue;
+            minOut = subLabelRect.height/2;
+            maxOut /= 2;
+            drawZeroSep = true;
+        }
+        for (uint32_t i = 0; i < data.labelData.size(); ++i)
+        {
+            double output = mapVals(data.labelData[i], minIn, data.maxValue, minOut, maxOut );
+            ofSetColor (graphColor);
+            ofFill();
+            ofDrawRectangle(subLabelRect.x + barSize * i + halfSeparation, subLabelRect.y + startPosY, barSize - separation, output );
+            
+        }
+        if (drawZeroSep)
+        {
+            ofSetLineWidth(1.25);
+            ofSetColor (175,150,150);
+            ofDrawLine(subLabelRect.x, subLabelRect.y + startPosY,
+                       subLabelRect.x + subLabelRect.width, subLabelRect.y + startPosY);
+        }
+    }
+    void update ( void )
+    {
+        //
+    }
+};
+
+#endif /* BarChart_hpp */

examples/ofx/Bitalino_rapidmix/rapidVisualizer/Graph.hpp

+//
+//  Graph.hpp
+//  RapidVisualizerOSC
+//
+//  Created by James on 09/11/2017.
+//
+//
+
+#ifndef Graph_h
+#define Graph_h
+
+#include <string>
+#include <vector>
+#include <list>
+#include "ofMain.h"
+#include "ofxGui.h"
+
+// TODO: add namespace, move funcs and struct to other header(s)
+enum class TextAlignment {
+    LEFT,
+    CENTER,
+    RIGHT
+};
+
+static inline void drawTextLabel ( std::string label, ofVec2f position, ofColor labelBackgroundColor, ofColor stringColor, TextAlignment alignment, bool drawAbove )
+{
+    uint32_t strLenPix = label.length()*8;
+    
+    switch (alignment) {
+        case TextAlignment::LEFT:
+            // No exception
+            break;
+        case TextAlignment::CENTER:
+            position.x -= strLenPix / 2;
+            break;
+        case TextAlignment::RIGHT:
+            position.x -= strLenPix;
+            break;
+        default:
+            break;
+    }
+    
+    ofSetColor (labelBackgroundColor);
+    ofRectangle bmpStringRect(position.x - 2,
+                              position.y + ((drawAbove) ? -4 : 12) + 2,
+                              strLenPix + 4, -12);
+    ofDrawRectangle(bmpStringRect);
+    
+    ofSetColor (stringColor);
+    ofDrawBitmapString(label, position.x, position.y + ((drawAbove) ? -4 : 12));
+}
+
+static inline double mapVals ( double x, double in_min, double in_max, double out_min, double out_max )
+{
+    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+template <typename T>
+struct DataContainer {
+    T labelData;
+    double minValue = 0.0;
+    double maxValue = 1.0;
+    uint32_t iteratorPos = 0;
+    //ofColor graphColor;
+    
+    void updateMinMax ( void )
+    {
+        auto mm = std::minmax_element(labelData.begin(), labelData.end());
+        double min = labelData[std::distance(labelData.begin(), mm.first)];
+        double max = labelData[std::distance(labelData.begin(), mm.second)];
+        
+        if (min < minValue)
+            minValue = min;
+        if (max > maxValue)
+            maxValue = max;
+        if (fabs(min) > maxValue)
+            maxValue = fabs(min);
+    
+    }
+};
+
+class Graph {
+public:
+    enum graphLayout {
+        GRAPHS_STACKED,
+        GRAPHS_VERTICAL
+    };
+    struct GraphState {
+        std::string label;
+        graphLayout layout = graphLayout::GRAPHS_STACKED;
+        bool hasHistory = false;
+        ofRectangle positionAndSize;
+        uint32_t historySize;
+    };
+    
+    Graph ( GraphState* state )
+    : state(state)
+    {
+        graphColor = ofColor(24, 219, 92);
+        textColor = ofColor(255, 157, 117);
+    }
+    
+    virtual ~Graph ( void )
+    {
+        
+    }
+    
+    virtual void updateRep ( void ) = 0; // update representation
+    virtual void addData ( std::string subLabel, std::vector<double>& data ) = 0;
+    virtual void reset ( void ) = 0;
+    
+    virtual void update ( void ) = 0;
+    virtual void draw ( void ) = 0;
+
+    virtual uint32_t getNumSubGraphs ( void ) const = 0;
+protected:
+    GraphState *state = nullptr;
+    ofColor graphColor;
+    ofColor textColor;
+};
+
+#endif /* Graph_h */

examples/ofx/Bitalino_rapidmix/rapidVisualizer/LineGraph.hpp

+//
+//  LineGraph.hpp
+//  RapidVisualizerOSC
+//
+//  Created by James on 09/11/2017.
+//
+//
+
+#ifndef LineGraph_h
+#define LineGraph_h
+
+#include <stdio.h>
+#include "RealTimeGraph.hpp"
+
+class LineGraph : public RealTimeGraph
+{
+public:
+    LineGraph ( GraphState* state ) : RealTimeGraph (state)
+    {
+        //
+    }
+    ~LineGraph ( void )
+    {
+        //
+    }
+    void updateRep ( void )
+    {
+        //
+    }
+    void drawSubGraph ( std::string subLabel, DataContainer<std::vector<double>>& data, ofRectangle subLabelRect )
+    {
+        double
+        minIn = 0,
+        minOut = 0,
+        maxOut = -subLabelRect.height,
+        startPosY = subLabelRect.height,
+        pointDistance = subLabelRect.width/data.labelData.size(),
+        separation = pointDistance/2;
+        //halfSeparation = separation/2;
+        bool drawZeroSep = false;
+        
+        if (data.minValue < 0)
+        { // Add negative part
+            startPosY = subLabelRect.height/2;
+            minIn = -data.maxValue;
+            minOut = subLabelRect.height/2;
+            maxOut /= 2;
+            drawZeroSep = true;
+        }
+        
+        ofBeginShape();
+        ofFill();
+        ofVertex(subLabelRect.x, subLabelRect.y + startPosY);
+        double output = mapVals(data.labelData[0], minIn, data.maxValue, minOut, maxOut );
+        ofVertex(subLabelRect.x, subLabelRect.y + startPosY + output);
+        for (uint32_t i = 0; i < data.labelData.size(); ++i)
+        {
+            output = mapVals(data.labelData[i], minIn, data.maxValue, minOut, maxOut );
+            ofSetColor (graphColor);
+            
+            ofVertex(subLabelRect.x + pointDistance * i + separation, subLabelRect.y + startPosY + output);
+            //ofDrawRectangle(subLabelRect.x + barSize * i + halfSeparation, subLabelRect.y + startPosY, barSize - separation, output );
+            
+        }
+        output = mapVals(data.labelData[data.labelData.size()-1], minIn, data.maxValue, minOut, maxOut );
+        ofVertex(subLabelRect.x + subLabelRect.width, subLabelRect.y + startPosY + output);
+        ofVertex(subLabelRect.x + subLabelRect.width, subLabelRect.y + startPosY);
+        ofEndShape();
+        
+        if (drawZeroSep)
+        {
+            ofSetLineWidth(1.25);
+            ofSetColor (175,150,150);
+            ofDrawLine(subLabelRect.x, subLabelRect.y + startPosY,
+                       subLabelRect.x + subLabelRect.width, subLabelRect.y + startPosY);
+        }
+    }
+    void update ( void )
+    {
+        //
+    }
+};
+
+
+#endif /* LineGraph_h */