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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Oliver Hunt <oliver@nerget.com>
*
* 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 "core/svg/SVGFELightElement.h"
#include "core/SVGNames.h"
#include "core/dom/ElementTraversal.h"
#include "core/rendering/RenderObject.h"
#include "core/svg/SVGFEDiffuseLightingElement.h"
#include "core/svg/SVGFESpecularLightingElement.h"
namespace blink {
SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, m_azimuth(SVGAnimatedNumber::create(this, SVGNames::azimuthAttr, SVGNumber::create()))
, m_elevation(SVGAnimatedNumber::create(this, SVGNames::elevationAttr, SVGNumber::create()))
, m_x(SVGAnimatedNumber::create(this, SVGNames::xAttr, SVGNumber::create()))
, m_y(SVGAnimatedNumber::create(this, SVGNames::yAttr, SVGNumber::create()))
, m_z(SVGAnimatedNumber::create(this, SVGNames::zAttr, SVGNumber::create()))
, m_pointsAtX(SVGAnimatedNumber::create(this, SVGNames::pointsAtXAttr, SVGNumber::create()))
, m_pointsAtY(SVGAnimatedNumber::create(this, SVGNames::pointsAtYAttr, SVGNumber::create()))
, m_pointsAtZ(SVGAnimatedNumber::create(this, SVGNames::pointsAtZAttr, SVGNumber::create()))
, m_specularExponent(SVGAnimatedNumber::create(this, SVGNames::specularExponentAttr, SVGNumber::create(1)))
, m_limitingConeAngle(SVGAnimatedNumber::create(this, SVGNames::limitingConeAngleAttr, SVGNumber::create()))
{
addToPropertyMap(m_azimuth);
addToPropertyMap(m_elevation);
addToPropertyMap(m_x);
addToPropertyMap(m_y);
addToPropertyMap(m_z);
addToPropertyMap(m_pointsAtX);
addToPropertyMap(m_pointsAtY);
addToPropertyMap(m_pointsAtZ);
addToPropertyMap(m_specularExponent);
addToPropertyMap(m_limitingConeAngle);
}
void SVGFELightElement::trace(Visitor* visitor)
{
visitor->trace(m_azimuth);
visitor->trace(m_elevation);
visitor->trace(m_x);
visitor->trace(m_y);
visitor->trace(m_z);
visitor->trace(m_pointsAtX);
visitor->trace(m_pointsAtY);
visitor->trace(m_pointsAtZ);
visitor->trace(m_specularExponent);
visitor->trace(m_limitingConeAngle);
SVGElement::trace(visitor);
}
SVGFELightElement* SVGFELightElement::findLightElement(const SVGElement& svgElement)
{
return Traversal<SVGFELightElement>::firstChild(svgElement);
}
FloatPoint3D SVGFELightElement::position() const
{
return FloatPoint3D(x()->currentValue()->value(), y()->currentValue()->value(), z()->currentValue()->value());
}
FloatPoint3D SVGFELightElement::pointsAt() const
{
return FloatPoint3D(pointsAtX()->currentValue()->value(), pointsAtY()->currentValue()->value(), pointsAtZ()->currentValue()->value());
}
bool SVGFELightElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
supportedAttributes.add(SVGNames::azimuthAttr);
supportedAttributes.add(SVGNames::elevationAttr);
supportedAttributes.add(SVGNames::xAttr);
supportedAttributes.add(SVGNames::yAttr);
supportedAttributes.add(SVGNames::zAttr);
supportedAttributes.add(SVGNames::pointsAtXAttr);
supportedAttributes.add(SVGNames::pointsAtYAttr);
supportedAttributes.add(SVGNames::pointsAtZAttr);
supportedAttributes.add(SVGNames::specularExponentAttr);
supportedAttributes.add(SVGNames::limitingConeAngleAttr);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGFELightElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
parseAttributeNew(name, value);
}
void SVGFELightElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElement::InvalidationGuard invalidationGuard(this);
if (attrName == SVGNames::azimuthAttr
|| attrName == SVGNames::elevationAttr
|| attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::zAttr
|| attrName == SVGNames::pointsAtXAttr
|| attrName == SVGNames::pointsAtYAttr
|| attrName == SVGNames::pointsAtZAttr
|| attrName == SVGNames::specularExponentAttr
|| attrName == SVGNames::limitingConeAngleAttr) {
ContainerNode* parent = parentNode();
if (!parent)
return;
RenderObject* renderer = parent->renderer();
if (!renderer || !renderer->isSVGResourceFilterPrimitive())
return;
if (isSVGFEDiffuseLightingElement(*parent)) {
toSVGFEDiffuseLightingElement(*parent).lightElementAttributeChanged(this, attrName);
return;
}
if (isSVGFESpecularLightingElement(*parent)) {
toSVGFESpecularLightingElement(*parent).lightElementAttributeChanged(this, attrName);
return;
}
}
ASSERT_NOT_REACHED();
}
void SVGFELightElement::childrenChanged(const ChildrenChange& change)
{
SVGElement::childrenChanged(change);
if (!change.byParser) {
if (ContainerNode* parent = parentNode()) {
RenderObject* renderer = parent->renderer();
if (renderer && renderer->isSVGResourceFilterPrimitive())
markForLayoutAndParentResourceInvalidation(renderer);
}
}
}
}
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