PassRefPtr<LightSource> SVGFESpotLightElement::lightSource() const
{
FloatPoint3D pos(x(), y(), z());
FloatPoint3D direction(pointsAtX(), pointsAtY(), pointsAtZ());
return SpotLightSource::create(pos, direction, specularExponent(), limitingConeAngle());
}
TextStream& SpotLightSource::externalRepresentation(TextStream& ts) const
{
ts << "[type=SPOT-LIGHT] ";
ts << "[position=\"" << position() << "\"]";
ts << "[direction=\"" << direction() << "\"]";
ts << "[specularExponent=\"" << specularExponent() << "\"]";
ts << "[limitingConeAngle=\"" << limitingConeAngle() << "\"]";
return ts;
}
SVGLightSource* SVGFESpotLightElement::lightSource() const
{
FloatPoint3D pos(x(), y(), z());
// convert lookAt to a direction
FloatPoint3D direction(pointsAtX() - pos.x(),
pointsAtY() - pos.y(),
pointsAtZ() - pos.z());
direction.normalize();
return new SVGSpotLightSource(pos, direction, specularExponent(), limitingConeAngle());
}
PassRefPtr<FilterEffect> SVGFESpecularLightingElement::build(SVGFilterBuilder* filterBuilder)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
if (!input1)
return 0;
RefPtr<RenderStyle> filterStyle = styleForRenderer();
Color color = filterStyle->svgStyle()->lightingColor();
return FESpecularLighting::create(input1, color, surfaceScale(), specularConstant(),
specularExponent(), kernelUnitLengthX(), kernelUnitLengthY(), findLights());
}
bool SVGFESpecularLightingElement::build(SVGResourceFilter* filterResource)
{
FilterEffect* input1 = filterResource->builder()->getEffectById(in1());
if (!input1)
return false;
RefPtr<RenderStyle> filterStyle = styleForRenderer();
Color color = filterStyle->svgStyle()->lightingColor();
RefPtr<FilterEffect> effect = FESpecularLighting::create(input1, color, surfaceScale(), specularConstant(),
specularExponent(), kernelUnitLengthX(), kernelUnitLengthY(), findLights());
filterResource->addFilterEffect(this, effect.release());
return true;
}
