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

#include <stdlib.h>

#include <lx.h>
#include <lx-xi.h>
#include <lx-shape.h>
#include <lx-shape-int.h>
#include <lx-shape-proto.h>

void lx_shape_Combine(LX_CONN *xc, LX_XID dst, LX_SHAPE_KIND dstkind, LX_SHAPE_OP op,
	int xoff, int yoff, LX_XID src, LX_SHAPE_KIND srckind)
{
 LX_SHAPE_PRIV *p;
 unsigned char req[20];
 int proto_dstkind;
 int proto_srckind;
 int proto_op;

 if (lxxi_conn_failed(xc))
  { lxxi_bad_call(xc,"ls_shape_GetRectangles");
    return;
  }
 p = lx_get_private(xc,lx_shape__px);
 if (! p)
  { lxxi_bad_call(xc,"lx_shape_Combine");
    return;
  }
 proto_dstkind = lx_shape__kind_to_proto(dstkind);
 proto_op = lx_shape__op_to_proto(op);
 proto_srckind = lx_shape__kind_to_proto(srckind);
 if ( (proto_dstkind < 0) || (proto_op < 0) || (proto_srckind < 0) ||
      (xoff < -32768) || (xoff > 32767) ||
      (yoff < -32768) || (yoff > 32767) )
  { lxxi_bad_call(xc,"lx_shape_Combine");
    return;
  }
 lxxi_nochain(xc);
 req[0] = p->major;
 req[1] = SHAPE_Combine;
 lxxi_w_card16(&req[2],5);
 req[4] = proto_op;
 req[5] = proto_dstkind;
 req[6] = proto_srckind;
 req[7] = 0;
 lxxi_w_card32(&req[8],dst);
 lxxi_w_int16(&req[12],xoff);
 lxxi_w_int16(&req[14],yoff);
 lxxi_w_int16(&req[16],src);
 lxxi_send_req(xc,req,-1);
}