43 static GRRotation rotation = GRRotation::NONE;
47   auto swapped = (rotation == GRRotation::LEFT || rotation == GRRotation::RIGHT);  in outside()
98   if (rotation == GRRotation::LEFT) {  in incr_x()
100   } else if (rotation == GRRotation::RIGHT) {  in incr_x()
102   } else if (rotation == GRRotation::DOWN) {  in incr_x()
111   if (rotation == GRRotation::LEFT) {  in incr_y()
113   } else if (rotation == GRRotation::RIGHT) {  in incr_y()
115   } else if (rotation == GRRotation::DOWN) {  in incr_y()
125     case GRRotation::NONE:  in PixelAt()
127     case GRRotation::RIGHT:  in PixelAt()
129     case GRRotation::DOWN:  in PixelAt()
132     case GRRotation::LEFT:  in PixelAt()
273   if (rotation != GRRotation::NONE) {  in gr_blit()
392     gr_rotate(GRRotation::RIGHT);  in gr_init()
394     gr_rotate(GRRotation::DOWN);  in gr_init()
396     gr_rotate(GRRotation::LEFT);  in gr_init()
398     gr_rotate(GRRotation::NONE);  in gr_init()
417   return (rotation == GRRotation::LEFT || rotation == GRRotation::RIGHT)  in gr_fb_width()
423   return (rotation == GRRotation::LEFT || rotation == GRRotation::RIGHT)  in gr_fb_height()
432 void gr_rotate(GRRotation rot) {  in gr_rotate()