public final void gluOrtho2D(double left, double right, double bottom, double top) {
project.gluOrtho2D(getCurrentGL2(), left, right, bottom, top);
}
public final void gluOrtho2D(float left, float right, float bottom, float top) {
project.gluOrtho2D(
getCurrentGL2(), (double) left, (double) right, (double) bottom, (double) top);
}