gecko-dev/dom/svg/SVGFESpotLightElement.cpp

143 строки
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/SVGFESpotLightElement.h"
#include "mozilla/dom/SVGFESpotLightElementBinding.h"
#include "nsSVGFilterInstance.h"
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FESpotLight)
using namespace mozilla::gfx;
namespace mozilla {
namespace dom {
JSObject*
SVGFESpotLightElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return SVGFESpotLightElementBinding::Wrap(aCx, this, aGivenProto);
}
nsSVGElement::NumberInfo SVGFESpotLightElement::sNumberInfo[8] =
{
{ &nsGkAtoms::x, 0, false },
{ &nsGkAtoms::y, 0, false },
{ &nsGkAtoms::z, 0, false },
{ &nsGkAtoms::pointsAtX, 0, false },
{ &nsGkAtoms::pointsAtY, 0, false },
{ &nsGkAtoms::pointsAtZ, 0, false },
{ &nsGkAtoms::specularExponent, 1, false },
{ &nsGkAtoms::limitingConeAngle, 0, false }
};
//----------------------------------------------------------------------
// nsIDOMNode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFESpotLightElement)
//----------------------------------------------------------------------
// nsFEUnstyledElement methods
bool
SVGFESpotLightElement::AttributeAffectsRendering(int32_t aNameSpaceID,
nsAtom* aAttribute) const
{
return aNameSpaceID == kNameSpaceID_None &&
(aAttribute == nsGkAtoms::x ||
aAttribute == nsGkAtoms::y ||
aAttribute == nsGkAtoms::z ||
aAttribute == nsGkAtoms::pointsAtX ||
aAttribute == nsGkAtoms::pointsAtY ||
aAttribute == nsGkAtoms::pointsAtZ ||
aAttribute == nsGkAtoms::specularExponent ||
aAttribute == nsGkAtoms::limitingConeAngle);
}
//----------------------------------------------------------------------
AttributeMap
SVGFESpotLightElement::ComputeLightAttributes(nsSVGFilterInstance* aInstance)
{
Point3D lightPos, pointsAt;
float specularExponent, limitingConeAngle;
GetAnimatedNumberValues(&lightPos.x, &lightPos.y, &lightPos.z,
&pointsAt.x, &pointsAt.y, &pointsAt.z,
&specularExponent, &limitingConeAngle,
nullptr);
if (!mNumberAttributes[SVGFESpotLightElement::LIMITING_CONE_ANGLE].IsExplicitlySet()) {
limitingConeAngle = 90;
}
AttributeMap map;
map.Set(eLightType, (uint32_t)eLightTypeSpot);
map.Set(eSpotLightPosition, aInstance->ConvertLocation(lightPos));
map.Set(eSpotLightPointsAt, aInstance->ConvertLocation(pointsAt));
map.Set(eSpotLightFocus, specularExponent);
map.Set(eSpotLightLimitingConeAngle, limitingConeAngle);
return map;
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::X()
{
return mNumberAttributes[ATTR_X].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::Y()
{
return mNumberAttributes[ATTR_Y].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::Z()
{
return mNumberAttributes[ATTR_Z].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::PointsAtX()
{
return mNumberAttributes[POINTS_AT_X].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::PointsAtY()
{
return mNumberAttributes[POINTS_AT_Y].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::PointsAtZ()
{
return mNumberAttributes[POINTS_AT_Z].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::SpecularExponent()
{
return mNumberAttributes[SPECULAR_EXPONENT].ToDOMAnimatedNumber(this);
}
already_AddRefed<SVGAnimatedNumber>
SVGFESpotLightElement::LimitingConeAngle()
{
return mNumberAttributes[LIMITING_CONE_ANGLE].ToDOMAnimatedNumber(this);
}
//----------------------------------------------------------------------
// nsSVGElement methods
nsSVGElement::NumberAttributesInfo
SVGFESpotLightElement::GetNumberInfo()
{
return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
ArrayLength(sNumberInfo));
}
} // namespace dom
} // namespace mozilla