Method drawCircle

Code/Arduino_libraries/SSD1306/OLEDDisplay.cpp:221–245

}

void OLEDDisplay::drawCircle(int16_t x0, int16_t y0, int16_t radius) {
  int16_t x = 0, y = radius;
	int16_t dp = 1 - radius;
	do {
		if (dp < 0)
			dp = dp + (x++) * 2 + 3;
		else
			dp = dp + (x++) * 2 - (y--) * 2 + 5;

		setPixel(x0 + x, y0 + y);     //For the 8 octants
		setPixel(x0 - x, y0 + y);
		setPixel(x0 + x, y0 - y);
		setPixel(x0 - x, y0 - y);
		setPixel(x0 + y, y0 + x);
		setPixel(x0 - y, y0 + x);
		setPixel(x0 + y, y0 - x);
		setPixel(x0 - y, y0 - x);

	} while (x < y);

  setPixel(x0 + radius, y0);
  setPixel(x0, y0 + radius);
  setPixel(x0 - radius, y0);
  setPixel(x0, y0 - radius);
}

void OLEDDisplay::drawCircleQuads(int16_t x0, int16_t y0, int16_t radius, uint8_t quads) {
  int16_t x = 0, y = radius;