File: range_utils.cpp

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aseprite 1.0.5+ds-2
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/* Aseprite
 * Copyright (C) 2001-2014  David Capello
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "app/context_access.h"
#include "app/document.h"
#include "app/document_range.h"
#include "raster/layer.h"
#include "raster/sprite.h"

namespace app {

using namespace raster;

// TODO the DocumentRange should be "iteratable" to replace this function
CelList get_cels_in_range(Sprite* sprite, const DocumentRange& range)
{
  CelList cels;

  for (LayerIndex layerIdx = range.layerBegin(); layerIdx <= range.layerEnd(); ++layerIdx) {
    Layer* layer = sprite->indexToLayer(layerIdx);
    if (!layer->isImage())
      continue;

    LayerImage* layerImage = static_cast<LayerImage*>(layer);

    for (FrameNumber frame = range.frameEnd(),
           begin = range.frameBegin().previous();
         frame != begin;
         frame = frame.previous()) {
      Cel* cel = layerImage->getCel(frame);
      if (cel)
        cels.push_back(cel);
    }
  }
  return cels;
}

} // namespace app