text: /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
  /*
   *  Main authors:
   *     Guido Tack <tack@gecode.org>
   *
   *  Copyright:
   *     Guido Tack, 2006
   *
   *  Last modified:
   *     $Date: 2016-04-20 01:19:45 +1000 (Wed, 20 Apr 2016) $ by $Author: schulte $
   *     $Revision: 14967 $
   *
   *  This file is part of Gecode, the generic constraint
   *  development environment:
   *     http://www.gecode.org
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   */
  
  namespace Gecode { namespace Gist {
  
    inline void
    DrawingCursor::moveUpwards(void) {
      x -= node()->getOffset();
      y -= Layout::dist_y;
      NodeCursor<VisualNode>::moveUpwards();
    }
  
    forceinline bool
    DrawingCursor::isClipped(void) {
      if (clippingRect.width() == 0 && clippingRect.x() == 0
          && clippingRect.height() == 0 && clippingRect.y() == 0)
        return false;
      BoundingBox b = node()->getBoundingBox();
      return (x + b.left > clippingRect.x() + clippingRect.width() ||
              x + b.right < clippingRect.x() ||
              y > clippingRect.y() + clippingRect.height() ||
              y + (node()->getShape()->depth()+1) * Layout::dist_y <
              clippingRect.y());
    }
  
    inline bool
    DrawingCursor::mayMoveDownwards(void) {
      return NodeCursor<VisualNode>::mayMoveDownwards() &&
             !node()->isHidden() &&
             node()->childrenLayoutIsDone() &&
             !isClipped();
    }
  
    inline void
    DrawingCursor::moveDownwards(void) {
      NodeCursor<VisualNode>::moveDownwards();
      x += node()->getOffset();
      y += Layout::dist_y;
    }
  
    inline void
    DrawingCursor::moveSidewards(void) {
      x -= node()->getOffset();
      NodeCursor<VisualNode>::moveSidewards();
      x += node()->getOffset();
    }
  
  
  }}
  // STATISTICS: gist-any
  