TouchscreenButton.h

/*
TouchscreenButton.h - Library for touchscreen button functions.
Created by Terence F. Golla, September 19, 2021
Released into the public domain.
*/

#ifndef TouchscreenButton_h
#define TouchscreenButton_h

#define DebugTouchscreenButton false

#include <Arduino.h>
// This contains the low-level code specific to the TFT display.
#include <Adafruit_ILI9341.h>
#include <Adafruit_GFX.h> 
#include <Adafruit_ImageReader.h> // Image-reading functions.

class TouchscreenButton
{
    public:
    TouchscreenButton(unsigned int x, unsigned int y, 
        unsigned int width, unsigned int height, unsigned int tftWidth, unsigned int tftHeight,
        unsigned int rotate, char *imageFilename, char *alternateImageFilename);
    void Display(Adafruit_ImageReader &reader, Adafruit_SPITFT &tft);
    void DisplayAlternate(Adafruit_ImageReader &reader, Adafruit_SPITFT &tft);
    boolean Touched(unsigned int x, unsigned int y);

    private:
    unsigned int _x; // Button's x coordinate.
    unsigned int _y; // Button's y coordinate.
    unsigned int _width; // Button's width.
    unsigned int _height; // Button's height.
    unsigned int _tftWidth; // Screen width;
    unsigned int _tftHeight; // Screen height.
    unsigned int _rotation; // The button's rotation. Correlates with the touchscreen rotation. 
    char *_imageFilename; // The buttton's image bmp filename.
    char *_alternateImageFilename; // The buttton's alternate image bmp filename.
};

#endif