public void paintComponent(Graphics g) {
super.paintComponent(g);
this.setBackground(Color.WHITE);
Graphics2D g2d = (Graphics2D) g;
RenderingHints rh =
new RenderingHints(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2d.setRenderingHints(rh);
for (int i = 0; i < strokes.size(); i++) {
Stroke currentStroke = strokes.get(i);
g2d.setPaint(currentStroke.getColor());
g2d.setStroke(new BasicStroke(currentStroke.getThickness()));
ArrayList<Point2D> currentStrokePoints = currentStroke.getPoints();
for (int j = 1; j < currentStrokePoints.size(); j++) {
g2d.drawLine(
(int) (currentStrokePoints.get(j - 1).getX() * this.getSize().getWidth()),
(int) (currentStrokePoints.get(j - 1).getY() * this.getSize().getHeight()),
(int) (currentStrokePoints.get(j).getX() * this.getSize().getWidth()),
(int) (currentStrokePoints.get(j).getY() * this.getSize().getHeight()));
}
}
}
