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>
   *
   * 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 "config.h"
  
  #if ENABLE(FILTERS)
  #include "FEDiffuseLighting.h"
  
  #include "LightSource.h"
  #include "TextStream.h"
  
  namespace WebCore {
  
  FEDiffuseLighting::FEDiffuseLighting(Filter* filter, const Color& lightingColor, float surfaceScale,
      float diffuseConstant, float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
      : FELighting(filter, DiffuseLighting, lightingColor, surfaceScale, diffuseConstant, 0, 0, kernelUnitLengthX, kernelUnitLengthY, lightSource)
  {
  }
  
  PassRefPtr<FEDiffuseLighting> FEDiffuseLighting::create(Filter* filter, const Color& lightingColor,
      float surfaceScale, float diffuseConstant, float kernelUnitLengthX,
      float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
  {
      return adoptRef(new FEDiffuseLighting(filter, lightingColor, surfaceScale, diffuseConstant, kernelUnitLengthX, kernelUnitLengthY, lightSource));
  }
  
  FEDiffuseLighting::~FEDiffuseLighting()
  {
  }
  
  Color FEDiffuseLighting::lightingColor() const
  {
      return m_lightingColor;
  }
  
  bool FEDiffuseLighting::setLightingColor(const Color& lightingColor)
  {
      if (m_lightingColor == lightingColor)
          return false;
      m_lightingColor = lightingColor;
      return true;
  }
  
  float FEDiffuseLighting::surfaceScale() const 
  {
      return m_surfaceScale;
  }
  
  bool FEDiffuseLighting::setSurfaceScale(float surfaceScale)
  {
      if (m_surfaceScale == surfaceScale)
          return false;
      m_surfaceScale = surfaceScale;
      return true;
  }
  
  float FEDiffuseLighting::diffuseConstant() const
  {
      return m_diffuseConstant;
  }
  
  bool FEDiffuseLighting::setDiffuseConstant(float diffuseConstant)
  {
      if (m_diffuseConstant == diffuseConstant)
          return false;
      m_diffuseConstant = diffuseConstant;
      return true;
  }
  
  float FEDiffuseLighting::kernelUnitLengthX() const
  {
      return m_kernelUnitLengthX;
  }
  
  bool FEDiffuseLighting::setKernelUnitLengthX(float kernelUnitLengthX)
  {
      if (m_kernelUnitLengthX == kernelUnitLengthX)
          return false;
      m_kernelUnitLengthX = kernelUnitLengthX;
      return true;
  }
  
  float FEDiffuseLighting::kernelUnitLengthY() const
  {
      return m_kernelUnitLengthY;
  }
  
  bool FEDiffuseLighting::setKernelUnitLengthY(float kernelUnitLengthY)
  {
      if (m_kernelUnitLengthY == kernelUnitLengthY)
          return false;
      m_kernelUnitLengthY = kernelUnitLengthY;
      return true;
  }
  
  const LightSource* FEDiffuseLighting::lightSource() const
  {
      return m_lightSource.get();
  }
  
  void FEDiffuseLighting::setLightSource(PassRefPtr<LightSource> lightSource)
  {    
      m_lightSource = lightSource;
  }
  
  void FEDiffuseLighting::dump()
  {
  }
  
  TextStream& FEDiffuseLighting::externalRepresentation(TextStream& ts, int indent) const
  {
      writeIndent(ts, indent);
      ts << "[feDiffuseLighting";
      FilterEffect::externalRepresentation(ts);
      ts << " surfaceScale=\"" << m_surfaceScale << "\" "
         << "diffuseConstant=\"" << m_diffuseConstant << "\" "
         << "kernelUnitLength=\"" << m_kernelUnitLengthX << ", " << m_kernelUnitLengthY << "\"]\n";
      inputEffect(0)->externalRepresentation(ts, indent + 1);
      return ts;
  }
  
  } // namespace WebCore
  
  #endif // ENABLE(FILTERS)
  