public SelectionRenderer(Canvas mainCanvas) {
setOpaque(false);
VBoxLayout layout = new VBoxLayout(this, VBoxLayout.LINE_AXIS);
setLayout(layout);
imageType = new BufferedImageType();
imageType.setMainCanvas(mainCanvas);
imageType.setValueOptions("width=320;height=240");
imageType.setValueName("");
add(imageType);
setImage();
}
public void setImage() {
BufferedImage image = ImageUtils.createCompatibleImage(300, 300);
Graphics2D g2 = image.createGraphics();
g2.setColor(Color.green);
float thickness = 5;
g2.setStroke(new BasicStroke(thickness));
int centerX = image.getWidth() / 2;
int centerY = image.getHeight() / 2;
int x = (int) (centerX + thickness / 2 - 30);
int y = (int) (centerY + thickness / 2 - 30);
int width = (int) (2 * 30 - thickness / 2 - 1);
int height = (int) (2 * 30 - thickness / 2 - 1);
g2.drawOval(x, y, width, height);
g2.dispose();
imageType.setValue(image);
}
