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