Initialize Graphics2D with highest visual quality and draw jts Geometry objects

ShowGeometry.java

    private static void show(Geometry... geometries) throws InterruptedException, InvocationTargetException {

        ShapeWriter shapeWriter = new ShapeWriter(createPointTransformation(5, 20));

        int width = 640, height = 480;
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = createGraphics2D(image);
        try {
            // Draw background
            g2d.setColor(Color.WHITE);
            g2d.fillRect(0, 0, width, height);

            // Draw geometries
            g2d.setStroke(new BasicStroke(1));
            for (Geometry geometry : geometries) {
                g2d.setColor(Color.BLUE);
                g2d.draw(shapeWriter.toShape(geometry));
            }
        } finally {
            g2d.dispose();
        }

        SwingUtilities.invokeAndWait(() -> {
            JDialog dialog = new JDialog();
            dialog.setTitle("Geometry");
            dialog.setModalityType(Dialog.ModalityType.APPLICATION_MODAL);
            dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);K
            JComponent imageComponent = new JComponent() {
                @Override
                protected void paintComponent(Graphics g) {
                    super.paintComponent(g);
                    g.drawImage(image, 0, 0, this);
                }

                @Override
                public Dimension getPreferredSize() {
                    return new Dimension(image.getWidth(), image.getHeight());
                }
            };
            dialog.add(imageComponent);
            dialog.pack();
            dialog.setLocationRelativeTo(null);
            dialog.setVisible(true);
        });
    }

    private static Graphics2D createGraphics2D(BufferedImage image) {
        Graphics2D g2d = image.createGraphics();
        g2d.addRenderingHints(Map.of(
                RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON,
                RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY,
                RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY,
                RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY,
                RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC,
                RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE,
                RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE,
                RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON,
                RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON
        ));
        return g2d;
    }

    private static PointTransformation createPointTransformation(int translate, int scale) {
        return (src, dest) -> {
            dest.setLocation(
                    (src.x + translate) * scale,
                    (src.y + translate) * scale
            );
        };
    }