/*************************************************************************
 * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com>          *
 *                                                                       *
 * This file is part of The Dimension Library.                           *
 *                                                                       *
 * The Dimension Library 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 3 of the *
 * License, or (at your option) any later version.                       *
 *                                                                       *
 * The Dimension Library 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 this program.  If not, see                         *
 * <http://www.gnu.org/licenses/>.                                       *
 *************************************************************************/

/**
 * @file
 * Pigments.
 */

#include "dimension.h"

/* Allocate a dummy pigment */
dmnsn_pigment *
dmnsn_new_pigment(void)
{
  dmnsn_pigment *pigment = dmnsn_malloc(sizeof(dmnsn_pigment));
  pigment->pigment_fn    = NULL;
  pigment->initialize_fn = NULL;
  pigment->free_fn       = NULL;
  pigment->trans         = dmnsn_identity_matrix();
  pigment->quick_color   = dmnsn_black;
  return pigment;
}

/* Free a pigment */
void
dmnsn_delete_pigment(dmnsn_pigment *pigment)
{
  if (pigment) {
    if (pigment->free_fn) {
      (*pigment->free_fn)(pigment->ptr);
    }
    dmnsn_free(pigment);
  }
}

/* Precompute pigment properties */
void
dmnsn_initialize_pigment(dmnsn_pigment *pigment)
{
  if (pigment->initialize_fn) {
    (*pigment->initialize_fn)(pigment);
  }

  pigment->trans_inv = dmnsn_matrix_inverse(pigment->trans);
}