gecko-dev/dom/svg/SVGFESpecularLightingElement.cpp

106 lines
3.7 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/SVGFESpecularLightingElement.h"
#include "mozilla/dom/SVGFESpecularLightingElementBinding.h"
#include "mozilla/SVGFilterInstance.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/BindContext.h"
NS_IMPL_NS_NEW_SVG_ELEMENT(FESpecularLighting)
using namespace mozilla::gfx;
namespace mozilla::dom {
JSObject* SVGFESpecularLightingElement::WrapNode(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return SVGFESpecularLightingElement_Binding::Wrap(aCx, this, aGivenProto);
}
//----------------------------------------------------------------------
// nsINode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFESpecularLightingElement)
already_AddRefed<DOMSVGAnimatedString> SVGFESpecularLightingElement::In1() {
return mStringAttributes[IN1].ToDOMAnimatedString(this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpecularLightingElement::SurfaceScale() {
return mNumberAttributes[SURFACE_SCALE].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpecularLightingElement::SpecularConstant() {
return mNumberAttributes[SPECULAR_CONSTANT].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpecularLightingElement::SpecularExponent() {
return mNumberAttributes[SPECULAR_EXPONENT].ToDOMAnimatedNumber(this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpecularLightingElement::KernelUnitLengthX() {
return mNumberPairAttributes[KERNEL_UNIT_LENGTH].ToDOMAnimatedNumber(
SVGAnimatedNumberPair::eFirst, this);
}
already_AddRefed<DOMSVGAnimatedNumber>
SVGFESpecularLightingElement::KernelUnitLengthY() {
return mNumberPairAttributes[KERNEL_UNIT_LENGTH].ToDOMAnimatedNumber(
SVGAnimatedNumberPair::eSecond, this);
}
//----------------------------------------------------------------------
// SVGElement methods
FilterPrimitiveDescription
SVGFESpecularLightingElement::GetPrimitiveDescription(
SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
const nsTArray<bool>& aInputsAreTainted,
nsTArray<RefPtr<SourceSurface>>& aInputImages) {
float specularExponent = mNumberAttributes[SPECULAR_EXPONENT].GetAnimValue();
float specularConstant = mNumberAttributes[SPECULAR_CONSTANT].GetAnimValue();
// specification defined range (15.22)
if (specularExponent < 1 || specularExponent > 128) {
return FilterPrimitiveDescription();
}
SpecularLightingAttributes atts;
atts.mLightingConstant = specularConstant;
atts.mSpecularExponent = specularExponent;
if (!AddLightingAttributes(static_cast<DiffuseLightingAttributes*>(&atts),
aInstance)) {
return FilterPrimitiveDescription();
}
return FilterPrimitiveDescription(AsVariant(std::move(atts)));
}
bool SVGFESpecularLightingElement::AttributeAffectsRendering(
int32_t aNameSpaceID, nsAtom* aAttribute) const {
return SVGFESpecularLightingElementBase::AttributeAffectsRendering(
aNameSpaceID, aAttribute) ||
(aNameSpaceID == kNameSpaceID_None &&
(aAttribute == nsGkAtoms::specularConstant ||
aAttribute == nsGkAtoms::specularExponent));
}
nsresult SVGFESpecularLightingElement::BindToTree(BindContext& aCtx,
nsINode& aParent) {
if (aCtx.InComposedDoc()) {
aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feSpecularLighting);
}
return SVGFE::BindToTree(aCtx, aParent);
}
} // namespace mozilla::dom