SunGraphics2D.java 文件源码

public Shape untransformShape(Shape s) {
    if (s == null) {
        return null;
    }
    if (transformState > TRANSFORM_INT_TRANSLATE) {
        try {
            return transformShape(transform.createInverse(), s);
        } catch (NoninvertibleTransformException e) {
            return null;
        }
    } else {
        return transformShape(-transX, -transY, s);
    }
}