TouchScreenAdapter.h

 
#ifndef TouchScreenAdapter_h
#define TouchScreenAdapter_h
 
#include <Arduino.h>
 
class TouchScreenAdapter {
 
public:
 
    struct TouchPoint {
 
        TouchPoint(void)  { x = y = z = 0; }
 
        TouchPoint(int16_t _x, int16_t _y, int16_t _z) {
            x = _x;
            y = _y;
            z = _z;
        }
        uint16_t x = 0; 
        uint16_t y = 0; 
        uint16_t z = 0; 
 
        TouchPoint& operator=(const TouchPoint& tp) {
            // Check for self-assignment
            if (this != &tp) {
                x = tp.x;
                y = tp.y;
                z = tp.z;
            }
            return *this;
        }
    };
 
    void setDisplayWidth(uint16_t widthPx) { 
        DISPLAY_WIDTH = widthPx; 
        displayWidth = DISPLAY_WIDTH;
    }
 
    void setDisplayHeight(uint16_t heightPx) {
        DISPLAY_HEIGHT = heightPx; 
        displayHeight = DISPLAY_HEIGHT;
    }
 
    virtual TouchScreenAdapter::TouchPoint getTouchPoint(void) = 0;
 
    virtual TouchScreenAdapter::TouchPoint getTouchPointRaw(void) = 0;
 
    virtual bool begin(void) = 0;
 
    void setRotation(uint8_t r ) {
        rotation = (r & 3);
        switch (rotation) {
        case 0:
        case 2:
            displayWidth = DISPLAY_WIDTH;
            displayHeight = DISPLAY_HEIGHT;
            break;
        case 1:
        case 3:
            displayWidth = DISPLAY_HEIGHT;
            displayHeight = DISPLAY_WIDTH;
            break;
        }
    }
 
protected:
 
    uint8_t rotation = 0;
 
    uint16_t DISPLAY_WIDTH = 240; 
    uint16_t DISPLAY_HEIGHT = 320; 
 
    uint16_t displayWidth = DISPLAY_WIDTH; 
    uint16_t displayHeight = DISPLAY_HEIGHT; 
 
};
 
 
#endif