Масштабирование шрифтов в Java Swing

/**
 * @param g2D {@link Graphics2D} which needs to set the maximum font size in the container.
 * @param dimension is the dimension of the container.
 * @param text is the text in the container.
 */
public static void setMaxSizeFontContainer(Graphics2D g2D, Dimension dimension, String text) {
    Rectangle2D maxRect = new Rectangle2D.Float(0, 0, dimension.width, dimension.height);
 
    float size = 80f * 4f;
    float diff = size / 2;
    Font bufferFont = g2D.getFont().deriveFont(size);
    FontMetrics fontMetrics;
    Rectangle2D stringBounds;
    while (Math.abs(diff) > 0.5F) {
        bufferFont = bufferFont.deriveFont(size);
        g2D.setFont(bufferFont);
        fontMetrics = g2D.getFontMetrics(bufferFont);
        stringBounds = fontMetrics.getStringBounds(text, g2D);
        stringBounds = new Rectangle2D.Float(0f, 0f, (float) (stringBounds.getX() + stringBounds.getWidth()), (float) (stringBounds.getHeight()));
 
        if (maxRect.contains(stringBounds)) {
            if (0 < diff) {
                diff = Math.abs(diff);
            } else if (diff < 0) {
                diff = Math.abs(diff) / 2;
            }
        } else {
            if (0 < diff) {
                diff = -Math.abs(diff) / 2;
            } else if (diff < 0) {
                if (size <= Math.abs(diff)) {
                    diff = -Math.abs(diff) / 2;
                } else {
                    diff = -Math.abs(diff);
                }
            }
        }
        size += diff;
    }
}