#include <Adafruit_ILI9341.h>
#include <Adafruit_GFX.h>
#include <Arduino.h>

#define TFT_CS   9
#define TFT_DC   10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define WIDTH 320
#define HEIGHT 240


class Window {
private:
  int WindowStartX, WindowStartY; // Position of the window
  int WindowWidth, WindowHeight;  // Size of the window
  uint16_t buffer[2500]; // Buffer with color for each pixel

public:
  // Constructor to initialize the window with position and size
  Window(int x, int y, int width, int height)
    : WindowStartX(x), WindowStartY(y), WindowWidth(width), WindowHeight(height) {
    clearBuffer();
    focus();
  }

  // Clear the buffer
  void clearBuffer() {
    for (int i = 0; i < WindowWidth * WindowHeight; ++i) {
      buffer[i] = 0xFFFF;
    }
  }
  // Method to draw the window border and buffer content to the display
  void focus() {
    // Draw the border using the TFT functions
    tft.drawRect(WindowStartX - 1, WindowStartY - 1, WindowWidth + 2, WindowHeight + 2, ILI9341_WHITE); // White border
    // Draw buffer content to the display
    for (int y = 0; y < WindowHeight; ++y) {
      for (int x = 0; x < WindowWidth; ++x) {
        tft.drawPixel(WindowStartX + x, WindowStartY + y, buffer[x + y * WindowWidth]);
      }
    }
  }

  void drawRect() {

  }
};



void setup(void) {
  Serial.begin(115200);
  tft.begin();
  tft.fillScreen(ILI9341_BLACK); // Clear screen
  tft.setTextColor(ILI9341_WHITE); // Set text color
  tft.setRotation(1);
  Window MainWindow(10,10,50,50);
}

void loop() {

}