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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>
* Copyright (C) 2018-2019 Apple 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 "SVGFELightElement.h"
#include "ElementIterator.h"
#include "RenderObject.h"
#include "RenderSVGResource.h"
#include "SVGFEDiffuseLightingElement.h"
#include "SVGFEDistantLightElement.h"
#include "SVGFEPointLightElement.h"
#include "SVGFESpecularLightingElement.h"
#include "SVGFESpotLightElement.h"
#include "SVGFilterElement.h"
#include "SVGFilterPrimitiveStandardAttributes.h"
#include "SVGNames.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFELightElement);
SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
{
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::azimuthAttr, &SVGFELightElement::m_azimuth>();
PropertyRegistry::registerProperty<SVGNames::elevationAttr, &SVGFELightElement::m_elevation>();
PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGFELightElement::m_x>();
PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGFELightElement::m_y>();
PropertyRegistry::registerProperty<SVGNames::zAttr, &SVGFELightElement::m_z>();
PropertyRegistry::registerProperty<SVGNames::pointsAtXAttr, &SVGFELightElement::m_pointsAtX>();
PropertyRegistry::registerProperty<SVGNames::pointsAtYAttr, &SVGFELightElement::m_pointsAtY>();
PropertyRegistry::registerProperty<SVGNames::pointsAtZAttr, &SVGFELightElement::m_pointsAtZ>();
PropertyRegistry::registerProperty<SVGNames::specularExponentAttr, &SVGFELightElement::m_specularExponent>();
PropertyRegistry::registerProperty<SVGNames::limitingConeAngleAttr, &SVGFELightElement::m_limitingConeAngle>();
});
}
SVGFELightElement* SVGFELightElement::findLightElement(const SVGElement* svgElement)
{
for (auto& child : childrenOfType<SVGElement>(*svgElement)) {
if (is<SVGFEDistantLightElement>(child) || is<SVGFEPointLightElement>(child) || is<SVGFESpotLightElement>(child))
return static_cast<SVGFELightElement*>(const_cast<SVGElement*>(&child));
}
return nullptr;
}
void SVGFELightElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
if (name == SVGNames::azimuthAttr) {
m_azimuth->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::elevationAttr) {
m_elevation->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::xAttr) {
m_x->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::yAttr) {
m_y->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::zAttr) {
m_z->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::pointsAtXAttr) {
m_pointsAtX->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::pointsAtYAttr) {
m_pointsAtY->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::pointsAtZAttr) {
m_pointsAtZ->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::specularExponentAttr) {
m_specularExponent->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::limitingConeAngleAttr) {
m_limitingConeAngle->setBaseValInternal(value.toFloat());
return;
}
SVGElement::parseAttribute(name, value);
}
void SVGFELightElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isKnownAttribute(attrName)) {
auto parent = makeRefPtr(parentElement());
if (!parent)
return;
auto* renderer = parent->renderer();
if (!renderer || !renderer->isSVGResourceFilterPrimitive())
return;
if (is<SVGFEDiffuseLightingElement>(*parent)) {
InstanceInvalidationGuard guard(*this);
downcast<SVGFEDiffuseLightingElement>(*parent).lightElementAttributeChanged(this, attrName);
} else if (is<SVGFESpecularLightingElement>(*parent)) {
InstanceInvalidationGuard guard(*this);
downcast<SVGFESpecularLightingElement>(*parent).lightElementAttributeChanged(this, attrName);
}
return;
}
SVGElement::svgAttributeChanged(attrName);
}
void SVGFELightElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChangeSource::Parser)
return;
auto parent = makeRefPtr(parentNode());
if (!parent)
return;
RenderElement* renderer = parent->renderer();
if (renderer && renderer->isSVGResourceFilterPrimitive())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
}
}