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

#include <stdlib.h>

#include "lx.h"

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

static void common_PolyFillRectangle(LX_CONN *xc, LX_XID drawable, LX_XID gc, int nrects, const LX_RECTANGLE *rects)
{
 unsigned char *req;
 int reqlen;
 int i;
 int o;
 const LX_RECTANGLE *r;

 if ( (xc->flags & XCF_FAIL) ||
      (nrects > ((65535-3)/2)) )
  { lx__bad_call(xc,"lx_PolyFillRectangle");
    return;
  }
 reqlen = 3 + (2 * nrects);
 req = malloc(reqlen<<2);
 if (! req)
  { lx__nomem_fail(xc);
    return;
  }
 req[0] = XP_REQ_PolyFillRectangle;
 req[1] = 0; // unused
 w_card16(&req[2],reqlen);
 w_card32(&req[4],drawable);
 w_card32(&req[8],gc);
 o = 12;
 for (i=0;i<nrects;i++)
  { r = &rects[i];
    if ( (r->x < -32768) || (r->x > 32767) ||
	 (r->y < -32768) || (r->y > 32767) ||
	 (r->w < 0) || (r->w > 65535) ||
	 (r->h < 0) || (r->h > 65535) )
     { free(req);
       lx__bad_call(xc,"lx_PolyFillRectangle");
       return;
     }
    w_int16(&req[o],r->x);
    w_int16(&req[o+2],r->y);
    w_card16(&req[o+4],r->w);
    w_card16(&req[o+6],r->h);
    o += 8;
  }
 lx__send_req_free(xc,req,reqlen<<2);
}

void lx_PolyFillRectangle(LX_CONN *xc, LX_XID drawable, LX_XID gc, int nrects, const LX_RECTANGLE *rects)
{
 lx__nochain(xc);
 common_PolyFillRectangle(xc,drawable,gc,nrects,rects);
}

void lx__PolyFillRectangle_inbatch(LX_CONN *xc, LX_XID drawable, LX_XID gc, int nrects, const LX_RECTANGLE *rects)
{
 common_PolyFillRectangle(xc,drawable,gc,nrects,rects);
}