/* Copyright (C) 1992-1998 The Geometry Center
 * Copyright (C) 1998-2000 Stuart Levy, Tamara Munzner, Mark Phillips
 *
 * This file is part of Geomview.
 * 
 * Geomview is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * Geomview is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with Geomview; see the file COPYING.  If not, write
 * to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,
 * USA, or visit http://www.gnu.org.
 */

#if defined(HAVE_CONFIG_H) && !defined(CONFIG_H_INCLUDED)
#include "config.h"
#endif

static char copyright[] = "Copyright (C) 1992-1998 The Geometry Center\n\
Copyright (C) 1998-2000 Stuart Levy, Tamara Munzner, Mark Phillips";

#include "ooglutil.h"
#include "geom.h"
#include "quadP.h"
#include "pointlistP.h"

void *quad_PointList_get(int sel, Geom *geom, va_list args);
void *quad_PointList_fillin(int sel, Geom *geom, va_list args);
void *quad_PointList_set(int sel, Geom *geom, va_list args);
void *quad_PointList_length(int sel, Geom *geom, va_list args);

#define MAX_METHODS 4

static SpecFunc methods[] = {
  {"PointList_get", quad_PointList_get},
  {"PointList_fillin", quad_PointList_fillin},
  {"PointList_set", quad_PointList_set},
  {"PointList_length", quad_PointList_length}
};

static char msg[] = "ptlQuad.c";

void
ptlQuad_init() {
  pointlist_initspec(methods, MAX_METHODS, GeomClassLookup("quad"));
}


void *quad_PointList_get(int sel, Geom *geom, va_list args) {
  HPoint3 *plist;
  Quad *q = (Quad *)geom;
  TransformPtr t;

  plist = OOGLNewNE(HPoint3, q->maxquad * 4, msg);
  t = va_arg(args, TransformPtr);
  return GeomCall(GeomMethodSel("PointList_fillin"), geom, t, 0, plist);
}


void *quad_PointList_fillin(int sel, Geom *geom, va_list args) {
  int i;
  Quad *q = (Quad *)geom;
  TransformPtr t;
  HPoint3 *plist;
  
  t = va_arg(args, TransformPtr);
  va_arg(args, int);
  plist = va_arg(args, HPoint3 *);

  for (i = 0; i < q->maxquad; i++)
    memcpy(&plist[i * 4], q->p[i], 4 * sizeof(HPoint3));
  HPt3TransformN(t, plist, plist, q->maxquad * 4);
  return plist;
}

void *quad_PointList_set(int sel, Geom *geom, va_list args) {
  int i;
  HPoint3 *plist;
  Quad *q = (Quad *)geom;
  
  va_arg(args, int);
  plist = va_arg(args, HPoint3 *);
  for (i = 0; i < q->maxquad; i++)
    memcpy(q->p[i], &plist[i * 4], 4 * sizeof(HPoint3));
  return((void *)q);
}


void *quad_PointList_length(int sel, Geom *geom, va_list args) {
  Quad *q = (Quad *)geom;
  return((void *)(q->maxquad * 4));
}