private void paintSvgError( Graphics2D g, int x, int y ) {
		if( g instanceof GraphicsFilter )
			((GraphicsFilter)g).setColorUnfiltered( Color.red );
		else
			g.setColor( Color.red );
		g.fillRect( x, y, getIconWidth(), getIconHeight() );
	}
Returns the scaled height of the icon.
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java