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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org>
      4  * Copyright (C) 2005 Eric Seidel <eric (at) webkit.org>
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #include "config.h"
     23 
     24 #if ENABLE(FILTERS)
     25 #include "FESpecularLighting.h"
     26 
     27 #include "LightSource.h"
     28 #include "RenderTreeAsText.h"
     29 #include "TextStream.h"
     30 
     31 namespace WebCore {
     32 
     33 FESpecularLighting::FESpecularLighting(Filter* filter, const Color& lightingColor, float surfaceScale,
     34     float specularConstant, float specularExponent, float kernelUnitLengthX,
     35     float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
     36     : FELighting(filter, SpecularLighting, lightingColor, surfaceScale, 0, specularConstant, specularExponent, kernelUnitLengthX, kernelUnitLengthY, lightSource)
     37 {
     38 }
     39 
     40 PassRefPtr<FESpecularLighting> FESpecularLighting::create(Filter* filter, const Color& lightingColor,
     41     float surfaceScale, float specularConstant, float specularExponent,
     42     float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
     43 {
     44     return adoptRef(new FESpecularLighting(filter, lightingColor, surfaceScale, specularConstant, specularExponent,
     45         kernelUnitLengthX, kernelUnitLengthY, lightSource));
     46 }
     47 
     48 FESpecularLighting::~FESpecularLighting()
     49 {
     50 }
     51 
     52 Color FESpecularLighting::lightingColor() const
     53 {
     54     return m_lightingColor;
     55 }
     56 
     57 bool FESpecularLighting::setLightingColor(const Color& lightingColor)
     58 {
     59     if (m_lightingColor == lightingColor)
     60         return false;
     61     m_lightingColor = lightingColor;
     62     return true;
     63 }
     64 
     65 float FESpecularLighting::surfaceScale() const
     66 {
     67     return m_surfaceScale;
     68 }
     69 
     70 bool FESpecularLighting::setSurfaceScale(float surfaceScale)
     71 {
     72     if (m_surfaceScale == surfaceScale)
     73         return false;
     74     m_surfaceScale = surfaceScale;
     75     return true;
     76 }
     77 
     78 float FESpecularLighting::specularConstant() const
     79 {
     80     return m_specularConstant;
     81 }
     82 
     83 bool FESpecularLighting::setSpecularConstant(float specularConstant)
     84 {
     85     if (m_specularConstant == specularConstant)
     86         return false;
     87     m_specularConstant = specularConstant;
     88     return true;
     89 }
     90 
     91 float FESpecularLighting::specularExponent() const
     92 {
     93     return m_specularExponent;
     94 }
     95 
     96 bool FESpecularLighting::setSpecularExponent(float specularExponent)
     97 {
     98     if (m_specularExponent == specularExponent)
     99         return false;
    100     m_specularExponent = specularExponent;
    101     return true;
    102 }
    103 
    104 float FESpecularLighting::kernelUnitLengthX() const
    105 {
    106     return m_kernelUnitLengthX;
    107 }
    108 
    109 bool FESpecularLighting::setKernelUnitLengthX(float kernelUnitLengthX)
    110 {
    111     if (m_kernelUnitLengthX == kernelUnitLengthX)
    112         return false;
    113     m_kernelUnitLengthX = kernelUnitLengthX;
    114     return true;
    115 }
    116 
    117 float FESpecularLighting::kernelUnitLengthY() const
    118 {
    119     return m_kernelUnitLengthY;
    120 }
    121 
    122 bool FESpecularLighting::setKernelUnitLengthY(float kernelUnitLengthY)
    123 {
    124     if (m_kernelUnitLengthY == kernelUnitLengthY)
    125         return false;
    126     m_kernelUnitLengthY = kernelUnitLengthY;
    127     return true;
    128 }
    129 
    130 const LightSource* FESpecularLighting::lightSource() const
    131 {
    132     return m_lightSource.get();
    133 }
    134 
    135 void FESpecularLighting::setLightSource(PassRefPtr<LightSource> lightSource)
    136 {
    137     m_lightSource = lightSource;
    138 }
    139 
    140 void FESpecularLighting::dump()
    141 {
    142 }
    143 
    144 TextStream& FESpecularLighting::externalRepresentation(TextStream& ts, int indent) const
    145 {
    146     writeIndent(ts, indent);
    147     ts << "[feSpecularLighting";
    148     FilterEffect::externalRepresentation(ts);
    149     ts << " surfaceScale=\"" << m_surfaceScale << "\" "
    150        << "specualConstant=\"" << m_specularConstant << "\" "
    151        << "specularExponent=\"" << m_specularExponent << "\"]\n";
    152     inputEffect(0)->externalRepresentation(ts, indent + 1);
    153     return ts;
    154 }
    155 
    156 } // namespace WebCore
    157 
    158 #endif // ENABLE(FILTERS)
    159