TouchPoints.hpp

Go to the documentation of this file.

 
#pragma once
 
#include "../SensorBuildOpt.h"
#if !SENSORLIB_EXCLUDE_TOUCH_COMMON
 
#include "SensorPlatform.hpp"
 
struct TouchPoint {
    uint16_t x;        
    uint16_t y;        
    uint16_t pressure; 
    uint8_t id;        
    uint8_t event;     
};
 
enum class Gesture {
    NONE,       
    TAP,        
    SWIPE_UP,   
    SWIPE_DOWN, 
    SWIPE_LEFT, 
    SWIPE_RIGHT,
    HOLD        
};
 
class TouchPoints
{
public:
    static constexpr uint8_t MAX_POINTS = 5;
 
    TouchPoints();
 
    ~TouchPoints() = default;
 
    void clear();
 
    bool addPoint(uint16_t x, uint16_t y, uint16_t pressure = 0, uint8_t id = 0, uint8_t event = 0);
 
    void setGesture(Gesture g);
 
    uint8_t getPointCount() const;
 
    TouchPoint &getPoint(uint8_t index);
 
    const TouchPoint &getPoint(uint8_t index) const;
 
    bool hasPoints() const;
 
    bool hasGesture() const;
 
    Gesture getGesture() const;
 
    TouchPoint &operator[](uint8_t index)
    {
        return getPoint(index);
    }
    const TouchPoint &operator[](uint8_t index) const
    {
        return getPoint(index);
    }
 
    TouchPoint *begin()
    {
        return points;
    }
    TouchPoint *end()
    {
        return points + pointCount;
    }
    const TouchPoint *begin() const
    {
        return points;
    }
    const TouchPoint *end() const
    {
        return points + pointCount;
    }
 
private:
    TouchPoint points[MAX_POINTS]; 
    uint8_t pointCount;            
    bool gestureValid;             
    Gesture gesture;               
    static TouchPoint emptyPoint;  
};
 
#endif