text: /*
   * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
   * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
   * Copyright (C) 2005 Eric Seidel <eric@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.
   */
  
  #ifndef SKY_ENGINE_PLATFORM_GRAPHICS_FILTERS_FEBLEND_H_
  #define SKY_ENGINE_PLATFORM_GRAPHICS_FILTERS_FEBLEND_H_
  
  #include "sky/engine/platform/graphics/filters/Filter.h"
  #include "sky/engine/platform/graphics/filters/FilterEffect.h"
  
  namespace blink {
  
  class PLATFORM_EXPORT FEBlend : public FilterEffect {
  public:
      static PassRefPtr<FEBlend> create(Filter*, WebBlendMode);
  
      WebBlendMode blendMode() const;
      bool setBlendMode(WebBlendMode);
  
      void platformApplyGeneric(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray,
                             unsigned colorArrayLength);
      void platformApplyNEON(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray,
                             unsigned colorArrayLength);
      virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) override;
  
      virtual TextStream& externalRepresentation(TextStream&, int indention) const override;
  
  private:
      FEBlend(Filter*, WebBlendMode);
  
      virtual void applySoftware() override;
      bool applySoftwareNEON();
  
      WebBlendMode m_mode;
  };
  
  } // namespace blink
  
  #endif  // SKY_ENGINE_PLATFORM_GRAPHICS_FILTERS_FEBLEND_H_
  