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Annotation of researchv9/X11/src/X.V11R1/lib/X/XDrArc.c, revision 1.1.1.1

1.1       root        1: #include "copyright.h"
                      2: 
                      3: /* $Header: XDrArc.c,v 11.10 87/09/11 08:09:46 toddb Exp $ */
                      4: /* Copyright    Massachusetts Institute of Technology    1986  */
                      5: 
                      6: #include "Xlibint.h"
                      7: 
                      8: /* precompute the maximum size of batching request allowed */
                      9: 
                     10: static int size = sizeof(xPolyArcReq) + EPERBATCH * sizeof(xArc);
                     11: 
                     12: XDrawArc(dpy, d, gc, x, y, width, height, angle1, angle2)
                     13:     register Display *dpy;
                     14:     Drawable d;
                     15:     GC gc;
                     16:     int x, y; /* INT16 */
                     17:     unsigned int width, height; /* CARD16 */
                     18:     int angle1, angle2; /* INT16 */
                     19: {
                     20:     xArc *arc;
                     21: 
                     22:     LockDisplay(dpy);
                     23:     /* if same as previous request, with same drawable, batch requests */
                     24:     FlushGC(dpy, gc);
                     25:     {
                     26:     register xPolyArcReq *req = (xPolyArcReq *) dpy->last_req;
                     27:     if (
                     28:           (req->reqType == X_PolyArc)
                     29:        && (req->drawable == d)
                     30:        && (req->gc == gc->gid)
                     31:        && ((dpy->bufptr + sizeof (xArc)) <= dpy->bufmax)
                     32:        && (((char *)dpy->bufptr - (char *)req) < size) ) {
                     33:          arc = (xArc *) dpy->bufptr;
                     34:         req->length += sizeof (xArc) >> 2;
                     35:         dpy->bufptr += sizeof (xArc);
                     36:         }
                     37: 
                     38:     else {
                     39:        GetReqExtra (PolyArc, sizeof(xArc), req);
                     40:        req->drawable = d;
                     41:        req->gc = gc->gid;
                     42:        arc = (xArc *) (req + 1);
                     43:        }
                     44:     arc->x = x;
                     45:     arc->y = y;
                     46:     arc->width = width;
                     47:     arc->height = height;
                     48:     arc->angle1 = angle1;
                     49:     arc->angle2 = angle2;
                     50:     }
                     51:     UnlockDisplay(dpy);
                     52:     SyncHandle();
                     53: }

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