58 static GRRotation rotation = ROTATION_NONE;  variable
70     return x < 0 || x >= (rotation % 2 ? gr_draw->height : gr_draw->width) || y < 0 ||  in outside()
71            y >= (rotation % 2 ? gr_draw->width : gr_draw->height);  in outside()
104 // increments pixel pointer right, with current rotation.
107     if (rotation % 2) {  in incr_x()
108         *p = *p + (rotation == 1 ? 1 : -1) * row_pixels;  in incr_x()
110         *p = *p + (rotation ? -1 : 1);  in incr_x()
114 // increments pixel pointer down, with current rotation.
117     if (rotation % 2) {  in incr_y()
118         *p = *p + (rotation == 1 ? -1 : 1);  in incr_y()
120         *p = *p + (rotation ? -1 : 1) * row_pixels;  in incr_y()
124 // returns pixel pointer at given coordinates with rotation adjustment.
127     switch (rotation) {  in pixel_at()
138         LOGW("invalid rotation %d", rotation);  in pixel_at()
300     if (rotation) {  in gr_blit()
517     return rotation % 2 ? gr_draw->height - 2 * overscan_offset_y  in gr_fb_width()
525     return rotation % 2 ? gr_draw->width - 2 * overscan_offset_x  in gr_fb_height()
536     rotation = rot;  in gr_rotate()