// Copyright status: this file is in the public domain.

#include <stdlib.h>

#include "lx.h"

#include "proto.h"
#include "internal.h"

static void common_PolySegment(LX_CONN *xc, LX_XID drawable, LX_XID gc, int nseg, const LX_SEGMENT *segs)
{
 unsigned char *req;
 int i;
 int o;
 const LX_SEGMENT *s;

 if ( (xc->flags & XCF_FAIL) ||
      (nseg > ((65535-3)/2)) )
  { lx__bad_call(xc,"lx_PolySegment");
    return;
  }
 req = malloc(12+(8*nseg));
 if (! req)
  { lx__nomem_fail(xc);
    return;
  }
 req[0] = XP_REQ_PolySegment;
 req[1] = 0;
 w_card16(&req[2],3+(2*nseg));
 w_card32(&req[4],drawable);
 w_card32(&req[8],gc);
 o = 12;
 for (i=0;i<nseg;i++)
  { s = &segs[i];
    if ( (s->x1 < -32768) || (s->x1 > 32767) ||
	 (s->y1 < -32768) || (s->y1 > 32767) ||
	 (s->x2 < -32768) || (s->x2 > 32767) ||
	 (s->y2 < -32768) || (s->y2 > 32767) )
     { free(req);
       lx__bad_call(xc,"lx_PolySegment");
       return;
     }
    w_int16(&req[o],s->x1);
    w_int16(&req[o+2],s->y1);
    w_int16(&req[o+4],s->x2);
    w_int16(&req[o+6],s->y2);
    o += 8;
  }
 lx__send_req_free(xc,req,12+(8*nseg));
}

void lx_PolySegment(LX_CONN *xc, LX_XID drawable, LX_XID gc, int nseg, const LX_SEGMENT *segs)
{
 lx__nochain(xc);
 common_PolySegment(xc,drawable,gc,nseg,segs);
}

void lx__PolySegment_inbatch(LX_CONN *xc, LX_XID drawable, LX_XID gc, int nseg, const LX_SEGMENT *segs)
{
 common_PolySegment(xc,drawable,gc,nseg,segs);
}