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/* -*- 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/SVGFilterInstance.h"
#include "mozilla/dom/SVGFESpotLightElementBinding.h"
NS_IMPL_NS_NEW_SVG_ELEMENT(FESpotLight)
using namespace mozilla::gfx;
namespace mozilla::dom {
JSObject* SVGFESpotLightElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return SVGFESpotLightElement_Binding::Wrap(aCx, this, aGivenProto);
}
SVGElement::NumberInfo SVGFESpotLightElement::sNumberInfo[8] = {
{nsGkAtoms::x, 0},
{nsGkAtoms::y, 0},
{nsGkAtoms::z, 0},
{nsGkAtoms::pointsAtX, 0},
{nsGkAtoms::pointsAtY, 0},
{nsGkAtoms::pointsAtZ, 0},
{nsGkAtoms::specularExponent, 1},
{nsGkAtoms::limitingConeAngle, 0}};
//----------------------------------------------------------------------
// nsINode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFESpotLightElement)
//----------------------------------------------------------------------
// SVGFilterPrimitiveChildElement 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);
}
//----------------------------------------------------------------------
LightType SVGFESpotLightElement::ComputeLightAttributes(
SVGFilterInstance* aInstance, nsTArray<float>& aFloatAttributes) {
aFloatAttributes.SetLength(kSpotLightNumAttributes);
Point3D lightPos, lightPointsAt;
float limitingConeAngle;
GetAnimatedNumberValues(&lightPos.x, &lightPos.y, &lightPos.z,
&lightPointsAt.x, &lightPointsAt.y, &lightPointsAt.z,
&aFloatAttributes[kSpotLightFocusIndex],
&limitingConeAngle, nullptr);
lightPos = aInstance->ConvertLocation(lightPos);
lightPointsAt = aInstance->ConvertLocation(lightPointsAt);
aFloatAttributes[kSpotLightPositionXIndex] = lightPos.x;
aFloatAttributes[kSpotLightPositionYIndex] = lightPos.y;
aFloatAttributes[kSpotLightPositionZIndex] = lightPos.z;
aFloatAttributes[kSpotLightPointsAtXIndex] = lightPointsAt.x;
aFloatAttributes[kSpotLightPointsAtYIndex] = lightPointsAt.y;
aFloatAttributes[kSpotLightPointsAtZIndex] = lightPointsAt.z;
if (mNumberAttributes[SVGFESpotLightElement::LIMITING_CONE_ANGLE]
.IsExplicitlySet()) {
limitingConeAngle = std::clamp(limitingConeAngle, -90.0f, 90.0f);
} else {
limitingConeAngle = 90.0f;
}
aFloatAttributes[kSpotLightLimitingConeAngleIndex] = limitingConeAngle;
return LightType::Spot;
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::X() {
return mNumberAttributes[ATTR_X].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::Y() {
return mNumberAttributes[ATTR_Y].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::Z() {
return mNumberAttributes[ATTR_Z].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::PointsAtX() {
return mNumberAttributes[POINTS_AT_X].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::PointsAtY() {
return mNumberAttributes[POINTS_AT_Y].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber> SVGFESpotLightElement::PointsAtZ() {
return mNumberAttributes[POINTS_AT_Z].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpotLightElement::SpecularExponent() {
return mNumberAttributes[SPECULAR_EXPONENT].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpotLightElement::LimitingConeAngle() {
return mNumberAttributes[LIMITING_CONE_ANGLE].ToDOMAnimatedNumber(this);
}
//----------------------------------------------------------------------
// SVGElement methods
SVGElement::NumberAttributesInfo SVGFESpotLightElement::GetNumberInfo() {
return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
std::size(sNumberInfo));
}
} // namespace mozilla::dom
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