@Override
protected void paintComponent(Graphics graphics) {
// Fill in the background:
Graphics2D g = (Graphics2D) graphics;
Shape clip = g.getClip();
g.setColor(LightZoneSkin.Colors.NeutralGray);
g.fill(clip);
if (preview == null) {
PlanarImage image = currentImage.get();
if (image == null) {
engine.update(null, false);
} else if (visibleRect != null && getHeight() > 1 && getWidth() > 1) {
preview = cropScaleGrayscale(visibleRect, image);
}
}
if (preview != null) {
int dx, dy;
AffineTransform transform = new AffineTransform();
if (getSize().width > preview.getWidth()) dx = (getSize().width - preview.getWidth()) / 2;
else dx = 0;
if (getSize().height > preview.getHeight()) dy = (getSize().height - preview.getHeight()) / 2;
else dy = 0;
transform.setToTranslation(dx, dy);
try {
g.drawRenderedImage(preview, transform);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public void addNotify() {
// This method gets called when this Preview is added.
engine.update(null, false);
super.addNotify();
}