SVGFELightElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFELightElement.h"
#include "Attribute.h"
#include "RenderObject.h"
#include "RenderSVGResource.h"
#include "SVGElementInstance.h"
#include "SVGFEDiffuseLightingElement.h"
#include "SVGFESpecularLightingElement.h"
#include "SVGFilterElement.h"
#include "SVGFilterPrimitiveStandardAttributes.h"
#include "SVGNames.h"
namespace WebCore {
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::azimuthAttr, Azimuth, azimuth)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::elevationAttr, Elevation, elevation)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::zAttr, Z, z)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::pointsAtXAttr, PointsAtX, pointsAtX)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::pointsAtYAttr, PointsAtY, pointsAtY)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::pointsAtZAttr, PointsAtZ, pointsAtZ)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::specularExponentAttr, SpecularExponent, specularExponent)
DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::limitingConeAngleAttr, LimitingConeAngle, limitingConeAngle)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFELightElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(azimuth)
REGISTER_LOCAL_ANIMATED_PROPERTY(elevation)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(z)
REGISTER_LOCAL_ANIMATED_PROPERTY(pointsAtX)
REGISTER_LOCAL_ANIMATED_PROPERTY(pointsAtY)
REGISTER_LOCAL_ANIMATED_PROPERTY(pointsAtZ)
REGISTER_LOCAL_ANIMATED_PROPERTY(specularExponent)
REGISTER_LOCAL_ANIMATED_PROPERTY(limitingConeAngle)
END_REGISTER_ANIMATED_PROPERTIES
SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document* document)
: SVGElement(tagName, document)
, m_specularExponent(1)
{
registerAnimatedPropertiesForSVGFELightElement();
}
SVGFELightElement* SVGFELightElement::findLightElement(const SVGElement* svgElement)
{
for (Node* node = svgElement->firstChild(); node; node = node->nextSibling()) {
if (node->hasTagName(SVGNames::feDistantLightTag)
|| node->hasTagName(SVGNames::fePointLightTag)
|| node->hasTagName(SVGNames::feSpotLightTag)) {
return static_cast<SVGFELightElement*>(node);
}
}
return 0;
}
PassRefPtr<LightSource> SVGFELightElement::findLightSource(const SVGElement* svgElement)
{
SVGFELightElement* lightNode = findLightElement(svgElement);
if (!lightNode)
return 0;
return lightNode->lightSource();
}
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<QualifiedName, SVGAttributeHashTranslator>(attrName);
}
void SVGFELightElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGElement::parseAttribute(name, value);
return;
}
if (name == SVGNames::azimuthAttr) {
setAzimuthBaseValue(value.toFloat());
return;
}
if (name == SVGNames::elevationAttr) {
setElevationBaseValue(value.toFloat());
return;
}
if (name == SVGNames::xAttr) {
setXBaseValue(value.toFloat());
return;
}
if (name == SVGNames::yAttr) {
setYBaseValue(value.toFloat());
return;
}
if (name == SVGNames::zAttr) {
setZBaseValue(value.toFloat());
return;
}
if (name == SVGNames::pointsAtXAttr) {
setPointsAtXBaseValue(value.toFloat());
return;
}
if (name == SVGNames::pointsAtYAttr) {
setPointsAtYBaseValue(value.toFloat());
return;
}
if (name == SVGNames::pointsAtZAttr) {
setPointsAtZBaseValue(value.toFloat());
return;
}
if (name == SVGNames::specularExponentAttr) {
setSpecularExponentBaseValue(value.toFloat());
return;
}
if (name == SVGNames::limitingConeAngleAttr) {
setLimitingConeAngleBaseValue(value.toFloat());
return;
}
ASSERT_NOT_REACHED();
}
void SVGFELightElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::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 (parent->hasTagName(SVGNames::feDiffuseLightingTag)) {
SVGFEDiffuseLightingElement* diffuseLighting = static_cast<SVGFEDiffuseLightingElement*>(parent);
diffuseLighting->lightElementAttributeChanged(this, attrName);
return;
} else if (parent->hasTagName(SVGNames::feSpecularLightingTag)) {
SVGFESpecularLightingElement* specularLighting = static_cast<SVGFESpecularLightingElement*>(parent);
specularLighting->lightElementAttributeChanged(this, attrName);
return;
}
}
ASSERT_NOT_REACHED();
}
void SVGFELightElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
if (!changedByParser) {
if (ContainerNode* parent = parentNode()) {
RenderObject* renderer = parent->renderer();
if (renderer && renderer->isSVGResourceFilterPrimitive())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
}
}
}
}
#endif // ENABLE(SVG)