tor-browser

The Tor Browser
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SVGFEDiffuseLightingElement.cpp (3189B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "mozilla/dom/SVGFEDiffuseLightingElement.h"
      8 
      9 #include "mozilla/SVGFilterInstance.h"
     10 #include "mozilla/dom/BindContext.h"
     11 #include "mozilla/dom/Document.h"
     12 #include "mozilla/dom/SVGFEDiffuseLightingElementBinding.h"
     13 
     14 NS_IMPL_NS_NEW_SVG_ELEMENT(FEDiffuseLighting)
     15 
     16 using namespace mozilla::gfx;
     17 
     18 namespace mozilla::dom {
     19 
     20 JSObject* SVGFEDiffuseLightingElement::WrapNode(
     21    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
     22  return SVGFEDiffuseLightingElement_Binding::Wrap(aCx, this, aGivenProto);
     23 }
     24 
     25 //----------------------------------------------------------------------
     26 // nsINode methods
     27 
     28 NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEDiffuseLightingElement)
     29 
     30 //----------------------------------------------------------------------
     31 
     32 already_AddRefed<DOMSVGAnimatedString> SVGFEDiffuseLightingElement::In1() {
     33  return mStringAttributes[IN1].ToDOMAnimatedString(this);
     34 }
     35 
     36 already_AddRefed<DOMSVGAnimatedNumber>
     37 SVGFEDiffuseLightingElement::SurfaceScale() {
     38  return mNumberAttributes[SURFACE_SCALE].ToDOMAnimatedNumber(this);
     39 }
     40 
     41 already_AddRefed<DOMSVGAnimatedNumber>
     42 SVGFEDiffuseLightingElement::DiffuseConstant() {
     43  return mNumberAttributes[DIFFUSE_CONSTANT].ToDOMAnimatedNumber(this);
     44 }
     45 
     46 already_AddRefed<DOMSVGAnimatedNumber>
     47 SVGFEDiffuseLightingElement::KernelUnitLengthX() {
     48  return mNumberPairAttributes[KERNEL_UNIT_LENGTH].ToDOMAnimatedNumber(
     49      SVGAnimatedNumberPair::eFirst, this);
     50 }
     51 
     52 already_AddRefed<DOMSVGAnimatedNumber>
     53 SVGFEDiffuseLightingElement::KernelUnitLengthY() {
     54  return mNumberPairAttributes[KERNEL_UNIT_LENGTH].ToDOMAnimatedNumber(
     55      SVGAnimatedNumberPair::eSecond, this);
     56 }
     57 
     58 FilterPrimitiveDescription SVGFEDiffuseLightingElement::GetPrimitiveDescription(
     59    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
     60    const nsTArray<bool>& aInputsAreTainted,
     61    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
     62  float diffuseConstant = mNumberAttributes[DIFFUSE_CONSTANT].GetAnimValue();
     63 
     64  DiffuseLightingAttributes atts;
     65  atts.mLightingConstant = diffuseConstant;
     66  if (!AddLightingAttributes(&atts, aInstance)) {
     67    return FilterPrimitiveDescription();
     68  }
     69 
     70  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
     71 }
     72 
     73 bool SVGFEDiffuseLightingElement::AttributeAffectsRendering(
     74    int32_t aNameSpaceID, nsAtom* aAttribute) const {
     75  return SVGFEDiffuseLightingElementBase::AttributeAffectsRendering(
     76             aNameSpaceID, aAttribute) ||
     77         (aNameSpaceID == kNameSpaceID_None &&
     78          aAttribute == nsGkAtoms::diffuseConstant);
     79 }
     80 
     81 nsresult SVGFEDiffuseLightingElement::BindToTree(BindContext& aCtx,
     82                                                 nsINode& aParent) {
     83  if (aCtx.InComposedDoc()) {
     84    aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feDiffuseLighting);
     85  }
     86 
     87  return SVGFEDiffuseLightingElementBase::BindToTree(aCtx, aParent);
     88 }
     89 
     90 }  // namespace mozilla::dom