public void setSizeY(int y) {
		ySize = y;
		image = new BufferedImage(xSize, ySize, BufferedImage.TYPE_INT_RGB);
		for (int i = 0; i < xSize; i++) {
			for (int j = 0; j < ySize; j++) {
				image.setRGB(i, j, 0xffffff);
			}
		}
	}