root/Source/platform/graphics/filters/FESpecularLighting.cpp

DEFINITIONS

1. create
2. lightingColor
3. setLightingColor
4. surfaceScale
5. setSurfaceScale
6. specularConstant
7. setSpecularConstant
8. specularExponent
9. setSpecularExponent
10. kernelUnitLengthX
11. setKernelUnitLengthX
12. kernelUnitLengthY
13. setKernelUnitLengthY
14. lightSource
15. setLightSource
16. externalRepresentation

/*
 * 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.
 */

#include "config.h"
#include "platform/graphics/filters/FESpecularLighting.h"

#include "platform/graphics/filters/LightSource.h"
#include "platform/text/TextStream.h"

namespace WebCore {

FESpecularLighting::FESpecularLighting(Filter* filter, const Color& lightingColor, float surfaceScale,
    float specularConstant, float specularExponent, float kernelUnitLengthX,
    float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
    : FELighting(filter, SpecularLighting, lightingColor, surfaceScale, 0, specularConstant, specularExponent, kernelUnitLengthX, kernelUnitLengthY, lightSource)
{
}

PassRefPtr<FESpecularLighting> FESpecularLighting::create(Filter* filter, const Color& lightingColor,
    float surfaceScale, float specularConstant, float specularExponent,
    float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
{
    return adoptRef(new FESpecularLighting(filter, lightingColor, surfaceScale, specularConstant, specularExponent,
        kernelUnitLengthX, kernelUnitLengthY, lightSource));
}

FESpecularLighting::~FESpecularLighting()
{
}

Color FESpecularLighting::lightingColor() const
{
    return m_lightingColor;
}

bool FESpecularLighting::setLightingColor(const Color& lightingColor)
{
    if (m_lightingColor == lightingColor)
        return false;
    m_lightingColor = lightingColor;
    return true;
}

float FESpecularLighting::surfaceScale() const
{
    return m_surfaceScale;
}

bool FESpecularLighting::setSurfaceScale(float surfaceScale)
{
    if (m_surfaceScale == surfaceScale)
        return false;
    m_surfaceScale = surfaceScale;
    return true;
}

float FESpecularLighting::specularConstant() const
{
    return m_specularConstant;
}

bool FESpecularLighting::setSpecularConstant(float specularConstant)
{
    specularConstant = std::max(specularConstant, 0.0f);
    if (m_specularConstant == specularConstant)
        return false;
    m_specularConstant = specularConstant;
    return true;
}

float FESpecularLighting::specularExponent() const
{
    return m_specularExponent;
}

bool FESpecularLighting::setSpecularExponent(float specularExponent)
{
    specularExponent = std::min(std::max(specularExponent, 1.0f), 128.0f);
    if (m_specularExponent == specularExponent)
        return false;
    m_specularExponent = specularExponent;
    return true;
}

float FESpecularLighting::kernelUnitLengthX() const
{
    return m_kernelUnitLengthX;
}

bool FESpecularLighting::setKernelUnitLengthX(float kernelUnitLengthX)
{
    if (m_kernelUnitLengthX == kernelUnitLengthX)
        return false;
    m_kernelUnitLengthX = kernelUnitLengthX;
    return true;
}

float FESpecularLighting::kernelUnitLengthY() const
{
    return m_kernelUnitLengthY;
}

bool FESpecularLighting::setKernelUnitLengthY(float kernelUnitLengthY)
{
    if (m_kernelUnitLengthY == kernelUnitLengthY)
        return false;
    m_kernelUnitLengthY = kernelUnitLengthY;
    return true;
}

const LightSource* FESpecularLighting::lightSource() const
{
    return m_lightSource.get();
}

void FESpecularLighting::setLightSource(PassRefPtr<LightSource> lightSource)
{
    m_lightSource = lightSource;
}

TextStream& FESpecularLighting::externalRepresentation(TextStream& ts, int indent) const
{
    writeIndent(ts, indent);
    ts << "[feSpecularLighting";
    FilterEffect::externalRepresentation(ts);
    ts << " surfaceScale=\"" << m_surfaceScale << "\" "
       << "specualConstant=\"" << m_specularConstant << "\" "
       << "specularExponent=\"" << m_specularExponent << "\"]\n";
    inputEffect(0)->externalRepresentation(ts, indent + 1);
    return ts;
}

} // namespace WebCore