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root/radiance/ray/src/px/x11image.c
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Comparing ray/src/px/x11image.c (file contents):
Revision 2.18 by greg, Wed Nov 11 17:34:08 1992 UTC vs.
Revision 2.19 by greg, Thu Feb 4 21:00:32 1993 UTC

# Line 614 | Line 614 | XKeyPressedEvent  *ekey;
614                          make_rpixmap(ourras, wind);
615                  redraw(0, 0, width, height);
616                  return(0);
617 +        case '0':                               /* recenter origin */
618 +                if (xoff == 0 & yoff == 0)
619 +                        return(0);
620 +                xoff = yoff = 0;
621 +                XClearWindow(thedisplay, wind);
622 +                redraw(0, 0, width, height);
623 +                return(0);
624          case ' ':                               /* clear */
625                  redraw(box.xmin, box.ymin, box.xsiz, box.ysiz);
626                  return(0);

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