text: /*
   * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
   * Copyright (C) 2013 Google Inc. All rights reserved.
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This 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
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public License
   * along with this library; see the file COPYING.LIB.  If not, write to
   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #include "platform/graphics/filters/SourceGraphic.h"
  
  #include "platform/graphics/filters/Filter.h"
  #include "platform/text/TextStream.h"
  #include "third_party/skia/include/core/SkPicture.h"
  #include "third_party/skia/include/effects/SkPictureImageFilter.h"
  
  namespace blink {
  
  SourceGraphic::SourceGraphic(Filter* filter)
      : FilterEffect(filter)
  {
      setOperatingColorSpace(ColorSpaceDeviceRGB);
  }
  
  SourceGraphic::~SourceGraphic()
  {
  }
  
  PassRefPtrWillBeRawPtr<SourceGraphic> SourceGraphic::create(Filter* filter)
  {
      return adoptRefWillBeNoop(new SourceGraphic(filter));
  }
  
  FloatRect SourceGraphic::determineAbsolutePaintRect(const FloatRect& requestedRect)
  {
      FloatRect srcRect = intersection(m_sourceRect, requestedRect);
      addAbsolutePaintRect(srcRect);
      return srcRect;
  }
  
  void SourceGraphic::setPicture(PassRefPtr<const SkPicture> picture)
  {
      m_picture = picture;
  }
  
  void SourceGraphic::setSourceRect(const IntRect& sourceRect)
  {
      m_sourceRect = sourceRect;
  }
  
  PassRefPtr<SkImageFilter> SourceGraphic::createImageFilter(SkiaImageFilterBuilder&)
  {
      if (!m_picture)
          return nullptr;
  
      return adoptRef(SkPictureImageFilter::Create(m_picture.get(), m_picture->cullRect()));
  }
  
  TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const
  {
      writeIndent(ts, indent);
      ts << "[SourceGraphic]\n";
      return ts;
  }
  
  } // namespace blink
  