/**
* Updates a Graphics according to this context
*
* @param g Graphics to be updated
*/
public void updateGraphics(Graphics2D g) {
g.setFont(font);
g.setColor(color);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
g.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
}
/**
* Updates this context according to the given style. Moreover given Graphics is updated to this
* style and used for taking the font metrics.
*
* @param style the style data to be used
* @param g Graphics to be updated and used
*/
public void updateForGraphics(NodeData style, Graphics2D g) {
if (style != null) update(style);
updateGraphics(g);
fm = g.getFontMetrics();
// update the width units
// em has been updated in update()
FontRenderContext frc = new FontRenderContext(null, false, false);
TextLayout layout = new TextLayout("x", font, frc);
ex = layout.getBounds().getHeight();
ch = fm.charWidth('0');
}