d = G2::Image.open_X11(100, 100)
d = G2::Image.open_PS("open_PS.ps", G2::A4, G2::PS_port) d.close
d = G2::Image.open_GIF("open_GIF.gif", 100, 100) d.close
d = G2::Image.open_vd dev[0] = G2::Image.open_PS("open_vd.ps", 200, 200) d.attach(dev[0]) dev[1] = G2::Image.open_X11(200, 200) d.attach(dev[1]) dev[2] = G2::Image.open_GIF("open_vd.gif", 200, 200) d.attach(dev[2])
d = G2::Image.open_vd dev[0] = G2::Image.open_PS("open_vd.ps", 200, 200) d.attach(dev[0]) dev[1] = G2::Image.open_X11(200, 200) d.attach(dev[1]) dev[2] = G2::Image.open_GIF("open_vd.gif", 200, 200) d.attach(dev[2])
d.pen(blue) # (50, 50) (100, 50) (75, 100) d.triangle(50, 50, 100, 50, 75, 100) d.pen(red) d.set_coordinate_system(0, 50, 2, 1) # (50 * 2, 50 * 1 + 50) (100 * 2, 50 * 1 + 50) (75 * 2, 100 * 1 + 50) d.triangle(50, 50, 100, 50, 75, 100)