Font.deriveFont(int style, AffineTransform trans) has the following syntax.
public Font deriveFont(int style, AffineTransform trans)
In the following code shows how to use Font.deriveFont(int style, AffineTransform trans) method.
/*ww w . ja v a 2 s . c om*/ import java.awt.Font; import java.awt.geom.AffineTransform; import java.io.FileInputStream; import java.io.InputStream; public class Main { public static void main(String[] args) throws Exception{ String fontFileName = "yourfont.ttf"; InputStream is = new FileInputStream(fontFileName); Font ttfBase = Font.createFont(Font.TRUETYPE_FONT, is); Font ttfReal = ttfBase.deriveFont(Font.BOLD,AffineTransform.getRotateInstance(0.5)); } }